text:
Backup SIM message and contact without transfer to phone
Is it possible to backup the message (e.g. SMS) and contacts inside my SIM card to my external SD Card without transferring them into my Android phone?

That should be possible. There are plenty of backup apps available on Google Play which allow local backups, such as SMS Backup & Restore or SMS Backup. For contacts, there's e.g. Contacts Backup, and for both together Super Backup : SMS & Contacts. They all store the backed-up data e.g. on your SDCard.
Though I found no explicit mention of SIM messages, I'd assume they are covered – but you might wish to check for yourself to make sure.
Update: As it turned out, above apps do not seem to cover SIM storage. But I've just stumbled upon Backup2CSV, which explicitly lists to Export contact directories (SIM CARD and phone) (it also lists Export text messages (SMS), but does not explicitly mention the SIM card in that context).

Tried the apps but they don't read the SIM card message and contacts.

As is there an app for X type questions are off-topic here: Mind to check the playstore for alternatives? I don't know about any on-board solutions.

Hi, I am not looking for App for X type question but instead, I am looking at ways on how I can backup the message and contact inside my SIM card to the SD Card that I slot inside my Android phone.

Yes, I know (and I didn't want to accuse you of that!). Trouble is, as there's no native solution I know of, that only leaves looking for apps. So what I was basically saying is: It makes no sense if I pick some apps which might do the job ("recommend this and that app"); I can only give you the pointer to check (e.g. search for backup sms sim – oh, Backup2CSV explicitly mentions SIM contacts!)

You can use the G Cloud Backup to backup you SMS, Contacts, Call Log, Photos and more to a secure cloud servers.

Thanks Basbous as you remind me 2 things - One, I forget to insert the word 'to my external SD Card' and Second, you give me another way to backup the SMS and Contacts.

I am using the G Cloud Backup its amazing product try to use it.


text:
Lock screen shortcuts cannot be changed
When my mobile had 4.1 version of Android, I could go to Security -> Lock screen -> Shortcuts to change the shortcuts. But, after Android 4.3 update, I am unable to find a way to change the shortcuts on the lock screen. Could you guide me through how I can achieve this?
I tried Settings -> My Device -> Lock Screen, but there is no Shortcuts button there.
See the screenshot below:

(click image for larger version)

What kind of security are you using on your phone? If you are using Swipe to Unlock (no pin) you should be able to see the shortcuts.
If you have some other sort of security, the lockscreen changes for Android 4.3 and TouchWiz integration have made some of these features disappear.
There is a pretty good discussion about it here.

Sorry about the "-1". My touchpad is very sensitive and when I noticed it was too late to undo the vote... :(

@AntoineAubry - You know you can just click on the upvote button and it'll go away.

I can't. After some time the vote becomes locked unless the answer is edited.

@AntoineAubry I've edited the answer now (I only added a space, no content modified) so that you can undo the -1 :)

i also encounter this issue and i find a fix to it. i have galaxy S3 rooted so i don't knew if it'll work on unrooted devices, but you can try.
open with any file manager (i'm using ES) the folder system > go to folder 'csc' > then find the file customer.xml and rename it to customer.xml.bak.
Reboot the device and go to Lockscreen. you will find lost shortcut slide.
thanks to ValenteLform xda-developers.

Thanks for the tip. However, I don't use a rooted phone, but gave your +1.

Go to Settings>my device>lock screen>screen lock
Select swipe
Turn "Shortcuts" on
Click the word "Shortcuts" and your lock screen shortcuts will appear; edit as you desire.
Change your screen lock back to your desired security setting and the new shortcuts will stay in place.
I just got my S3 and apparently Android 4.3 doesn't allow access to shortcuts when phone is locked (makes sense I guess, why lock something but allow access to parts of it?), but you can change the "Secured lock time" which will give you time to use those chosen apps from the lock screen.

Why don't I see 'shortcuts' under Lock screen? I enabled swipe, but can only edit widgets.

Touch apps>widgets>locate settings and touch and hold to move it to phone screen then select lock screen.  You will now see all options to make changes to your lock screen

I know I'm late to the party but I came across this issue and thought I'd answer in case someone still has this problem.
I'm running Android v4.4 and the shortcuts are hidden.But before that,
Settings → My device → Lock screen → Set screen lock to Swipe
Now change the shortcuts setting below that from camera to custom and new option will appear to edit shortcuts.  I think these shortcuts will still work even if you decide to add a password later.
For widgets make sure multiple widgets is checked on this screen as well then on the lock screen.
You simply swipe right on the clock widget which is there by-default then click on edit in the lower right corner of the new screen to edit which widget appears on that page.  It's an inconvenient 1 widget per page, however if you wish to change the default lock screen clock to another widget you can then rearrange the pages by long pressing and moving that page/widget to the far right.

source: Stack Exchange

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/3.0/

sort: votes


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messaging push notifications won't work after 4.3 update?
I updated my Samsung galaxy s3 to 4.3 a few days ago, and ever since then, push notifications for the built in messaging app hasn't been working. My phone doesn't ring, the icon doesn't appear in the back on the top of the screen, and the lock screen doesn't show the previews. I have to keep manually checking if i have new texts by opening the app, which is annoying and inconvenient. The sound works for other apps so I know that sound isn't the issue here. Does anyone know how to fix this?!

Could you have turned on Blocking mode by accident? There's a button for it in the notification tray.

Could it be, that for some reason--aliens, loch ness, etc.--that some of the apps have "show notifications" checkbox unchecked? To check, go to Settings->Aps->whatever SMS app and see if you have a Show notifications checked.
Also, have you tried using Hangouts as a replacement for texting?

all_licenses: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/3.0/


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Do 4.3 JellyBean apps work on 4.4 KitKat?
I am an android developer and would like to upgrade my Nexus 7(2013, JellyBean 4.3) to KitKat 4.4.2.
My apps are all developed to work on 4.3 fine. I'm just wondering if my 4.3 apps will work when I upgrade. Does anyone know?
Thanks in advance.
EDIT - I upgraded and all apps work fine, thanks for answers :D
EDIT 2 - Actually, one of my Bluetooth Low Energy Apps does not work. Any Help? I have changed the targetSDK version to 19, but should I install the SDK for 19 as well?

Congrats! Make sure tha you thank answers with upvotes, and "Accept" the one you feel was most helpful. Questions for BLE should be asked in a new question.

I have not accepted because not all of my apps work. I do not think that BLE is the problem, but rather something else. If it is alright, I will leave the question longer and see if anyone else can help.

Did you try clearing the app data? Note that issues with app development are off-topic here.

I would say that the BLE bugs should be asked in a separate question nonetheless. The question here is "Will the apps work?" and both answers say "Most likely" - they are correct answers for the question asked. Our site's format doesn't work well with evolving threads - new issues are asked in new questions, like an issue-tracking system, so it's probably best for you if you close this one and ask the BLE questions on another question.

There's no gurantee that they'll work, but API compatibility when upgrading is a standing tenet of Android. The odds are very high (above 90%) that they'll work no problem.
In the end, whether they work or not depends on you, as the developer. As an Android developer, you should probably read the documentation released with new API's for the features and methods you use.
One way or another, you may need to upgrade to 4.4 as soon as you can - in order to address potential bugs that may pop up for your users.

It's updating now, I'll edit answer if it works. Thanks :)

Excellent point about updating to identify and address potential bugs.  As a developer this is absolutely a high priority!

My guess would be, yes, they will work.  As you know, when you develop an app you select the target Android build for your app, which is the lowest version of Android your app is "supposed" to work with.  That being the case, your apps are targeted for 4.3 and should easily work on 4.4.2.  Likewise, if you targeted 2.3 (as many devs do) your apps should still work.  It's not guaranteed, of course, but I think you will be fine.
As a side note, my Galaxy Note 2 recently received the new update and I haven't had any issues with apps that were installed on my phone, and I'm fairly certain they have not all been updated for KitKat.


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How can you sync a calender with an iCal link?
The school that I am going to has a calender that you can sync to other devices and programs through an iCal feed. There is just a link, no account info or anything. Is it possible to sync the events to the S Planner with this link? If not, is there another free solution out there?

For read only feeds ICSDroid does this. It'll work with facebook's feeds too.
DavDroid will do the same for a proper caldav server (syncs in both directions)

Indeed!  They're both on F-Droid for those of us trying to avoid the Google Play store, and the code is available on GitLab, which is also open source (GitHub, but better).

The ICSDroid link is dead, and trying to download from F-Droid fails.

The apps are now known as ICSx⁵ and DAVx⁵; both are on F-Droid (ICSx⁵, DAVx⁵) and Google Play. Should work with any calendar app; I can confirm ICSx⁵ works great with the /e/ calendar app (a fork of Etar).

I think what you need to do is subscribe to your calendar in Google Calendar, then have your calendar app sync with this feed--much like you would sync additional calenders like days of the week, etc.
Subscribe to public calendars using the calendar address

Click the down-arrow next to Other calendars
Select Add by URL from the menu
Find the address of the Google Calendar in iCalendar format, or if you have the iCalendar address of a calendar from a different application (for example, Apple's iCal), you can use this as well.
Enter the address in the field provided
Click the Add Calendar button. The calendar will appear in the Other Calendars section of the calendar list to the left.

Then, in the Calendar app, or S Planner, on your phone choose the additional calendars to display.

It's terrible that you still cannot do this from the app. I filed a request here: https://productforums.google.com/forum/#!topic/calendar/FNo0ZP9F-tU;context-place=forum/calendar

About how to perform the last step (choosing the additional calendars to display): I found that it was necessary (on my Android device) to go to Calendar -> Menu bar -> Settings -> Show more ->  and toggle the "Sync" setting. After performing this step, the desired calendar appeared among those listed in the calendar app's main menu bar.

@Jasha thanks, that was the point I was missing!


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How to prevent MoboGenie popups in Chrome?
I browse around with many tabs open. Frequently, an ok/cancel dialog "MoboGenie - Play Now" pops up for attention. The host (of the popup) site keeps the dialog hidden till it pops up for attention.
I find it difficult to single out sites which host this popup. None of them host suspicious or intrusive advertisements otherwise.

+1 this has been annoying me a lot lately seems particularly prevalent in the ad networks used by some webcomics.

Have you considered rooting your device? Then you have plenty of possibilities to get rid of almost all kind of ads, everywhere.

there is an application you can download for rooted devices called AdAway.
 it's not in the market, but if you don't have a problem with installing third party apks, this is a complete advertisement blocker for both in-app and browser.
https://f-droid.org/repository/browse/?fdid=org.adaway

Some browsers, like Google's Chrome, have built in pop up blockers. Now, if you surf around and you get a auto pop up like this, a message will show on the bottom of the screen asking if you would like to display it. This would greatly reduce the MoboGenie you are seeing. Also, Chrome is a pretty sweet browser with many other features. If you don't like it, FireFox and Dolphin have--to my knowledge--built in pop up blockers.

In dolphin, Block pop up windows is checked but still the  mobo genie  pop -up is coming. Especially in sites hosting mp3 songs.

you can use popup blocker "Ad Block" in chrome or "ABP- AdBlock Plus"
for firefox.

Last time I checked, the Ad Block plugin in Chrome didn't work in Chrome for Android. Does it work now? How do you install the plugin in Chrome for Android?


text:
List of all Google™ app developer ids
Google Inc "owns" most of the apps made by Google for Android.
However, there are notable ones that most would consider Google apps, such as

Ingress by Niantic Inc.
Sky Map by Sky Map Devs.

Does someone know a list of all the developer ids used for Google-created android apps?

Hmm... is this on-topic here? It's not about publishing apps yourself, but it feels like it's in a similar train of thought. What's the community say?

@dotVezz I don't see why it would be off-topic. It's about Android, and of interest to users, and nothing to do with developing apps. The main problem is that it would go out of date whenever Google buys a company with published apps.

Sounds good to me. You're correct that it'd be hard to keep up-to-date. The list of properties owned by Google is staggering. And it may be difficult to define "what is a Google developer ID?" - one example is probably Waze; do we consider them among NianticLabs@Google and Sky Map Devs, which started as groups within Google - or do we consider it a separate entity, which is merely owned by Google? (TL/DR: Does something like Waze count here?)

Perhaps the answer could be a community wiki, letting (almost) anyone update it as needed. Besides, there are plenty of questions on this and other stackexchange sites that go out of date; technology is always changing.

Even more: I don't know about NianticLabs, but I was under the impression that while Sky Maps Devs is a group comprised of Googlers, Sky Maps is essentially a personal project. That is to say that the app isn't part of their job description, and Google doesn't officially have anything to do with it. (I am probably wrong though...). It seems there could be several categories for the answer here: 1: Official Google-spawned, Google-run ID's. 2: Google-spawned, but not officially Google-run ID's, and 3: Google-owned, but not Google-spawned. (I have terrible wording sense)

Sky Map was once an official Google App but later released as open source by Google.

I suppose the solution to this problem would be to go through GOOG's acquisitions for the last few years and find the ones that have an Android app.

Google Inc.
Google Creative Lab
Marketing @ Google
Niantic Inc.
FieldTrip, Ingress, Pokémon GO
Waze
Waze, Waze Rider - Get a Ride
Nest Labs, Inc.
Nest (Learning thermostat), Dropcam (video/security camera)
Bitspin (formerly Team Tasks)
Timely, Tasks
Bump Technologies, Inc
Bump
VirusTotal
VirusTotal

For info about acquisition dates and prices, read an updated List of mergers and acquisitions by Google.


text:
How can I test if my GPS has a hardware problem?
Some days ago, my GPS stopped working. It doesn't lock, no matter how long I leave it on.
I've read this question but had no luck.
Sometimes it reports that it found one GPS satellite available, but most of the time it gets none.
I also read about stability test, but is doesn't seem to report GPS problems.
So, is there any test I can perform to detect if I really have a hardware GPS problem?
My phone is a Samsung Galaxy S2, with android 4.2.

Try installing and messing with: GPS info and GPS test

Using GPS info gave me same results I had with GPS status: sometimes one sat becomes visible, then disappears, and nothing more than that...


text:
How do I get a Samsung Galaxy Tab 3 Kids to preference the SD card?
My son's Samsung Galaxy Tab 3 Kids edition is running low on space after I added several applications.
I added a micro SD card (external card) to compensate for storage.  I confirmed I was capable of standard Read-Write-Delete tasks against files on the external card from within the standard files app.
Unfortunately, I discovered that the system is unable to move applications to the external card (the option is simply never offered!).  I'm also having problems setting various applications (camera, music, etc.) to preference storing their data to the external card rather than the internal card.
Android version 4.1.2, Model number SM-T2105.
How can I best leverage using the external SD card?

Have a look at my answer which should answer your question, I hope!

Other Q&As helping you in your situation: What can I do to manage my phone's internal storage? / My internal storage capacity is running low, what can I do? / High Frequented 'internal-storage' Questions (as that's where you want to "free up" space)

Thank you, @Izzy. Any idea why I can't transfer the applications to external SD card like any other Android system?  Heck, even my old Droid X used to allow it (where do you think I got the SD card from? :-) )

For that you'll have to ask Samsung. If they act like LG, they'll blame Android (saying "starting with ICS, this is no longer possible" – which of course is complete bull... ah, nonsense). But there might be tricks for that as well, see e.g. How to move application to SD card in samsung galaxy s duos: Also a Samsung device, having the very same problem. Another possible work-around involves executing pm set-install-location 2 from either a terminal app or adb shell, as t0mm13b already suggested.


text:
My tablet won't boot
I just got a Arnova 10D G3 and it doesn't boot. All I get is the "Arnova" logo on a black screen. I bought it on a refurbished condition, it was a pretty good deal so I am ready to do any risky procedure to make it work since I don't have much to lose.
I downloaded the latest firmware from the official website but I am unable to use it because I can't access the recovery mode.
How can I make it boot?
UPDATE : I am now able to access the recovery mode (power + vol up) but the tablet keeps rebooting after loading this mode. I don't even have a menu.

I finally found the solution in this tutorial in French : http://forum.frandroid.com/topic/180104-tuto-flash-arnova-10dg3-rom-uberoid-jeally-bean-411-root%C3%A9e/
It seems like the firmware from Arnova is somehow incomplete. I installed a rooted ROM.


text:
How do I remove an incorrect word from autocorrect?
To begin with, I've tried in futility to search everywhere else on the internet to fix this, so I'm asking here now.
I have a Nexus 4 running Android 4.4. Sometime within the past year, DONT started appearing as a word in my autocorrect options. IIRC, it began appearing immediately after an OS upgrade (I'm thinking the 4.3 release).
Screenshot:

I do not have DONT in any user dictionaries on the device. I have exhaustively searched all user-level language/dictionary settings and cannot find this anywhere. It's really annoying because it takes over the default correction of don't, so I just end up looking stupid.
(Here is my personal dictionary listing [one item redacted]):

If DONT were here it would be between Catan and Dropbox
Is there some other/hidden location where dictionary/replacement text gets stored? And/or does anybody have another suggestion for how to get this stupid word removed from my device?

What an interesting issue! You might need to completely restart your personal dictionary and start from scratch. Additionally, you might want to upgrade to a different keyboard.

If I were you I'd have redacted Catan too. Now the whole world knows what geeky board games you like!

Let's face it @DanHulme, I've posted on enough Stack sites to forego any facade of un-geekiness :)

I fixed it! The trick was to clear the cache and data for Google Keyboard.
Settings => Apps => ALL* => Google Keyboard => {Clear Data, Clear Cache}
* Be sure to go to ALL instead of RUNNING. The instance under RUNNING will not give you the correct data clearing options.

Hey this isn't a fix as doesn't preserve existing dictionary data.

It does really suck as a fix, but it accomplishes the primary goal of "get that annoying extra word out." Personally, I'd rather rebuild my small personal dictionary than have to deal with DONT popping up every time I want don't.

Better use SwiftKey & it's AI & it's dictionary cloud sync.

Sachin Shekhar: two points. Google Keyboard has dictionary cloud sync as of (I don't remember when, maybe after you made your comment), second... try typing an email address or web address into a text field (like, say, a Hangouts conversation) with Swiftkey. I dare you. I was all on board with Swiftkey until it kept turning stuff like "www.microsoft.com" into "Www. Microsoft. Com." with no option to override...

this answer didn't work for me. at first I thought it did, but it did not. I want to remove mispellings that are in the dictionary :( :(

Google Keyboard keeps getting more and more bizarre words into it. Today it corrected "available" to "availkbe". Great, thanks Google! (Here's hoping this fix works as my upgrade to Lollipop completely destroyed the built-in dictionary it seems...)

Ok, "avaikwme" is in there now but at least it's not going to "correct" my spelling of "available". Wow.

Long press on the word when you type it and see it above keyboard. You will be given an option to delete it from learned words. Android 4.3

I did try that; it would appear that it wasn't actually a learned word, but maybe just an artifact of some bad cached data?

Works for me: Samsung Galaxy S III mini, Android 4.1.2, Samsung Keyboard

doesn't work on android 4.4

On Android 4.3 and Samsung Galaxy Nexus this is not working at all. When I long-press incorrectly suggested word, all I see, are other suggested words. No sign of delete or edit option.

Worked on my Note 2 running 4.4.

IN MY CASE THIS DOES NOT WORK ON STOCK Android! See this answer for stock android solution http://android.stackexchange.com/a/61120/17833

It worked for Swift keyboard.

This is a strange solution but it seemed to work (tested on Android 4.4):

go to System Settings
scroll to Accounts section
click Google
under Privacy section, click Search
under Search & Now Cards section, click Accounts & privacy
scroll all the way to the bottom and click Search engine storage
click Clear now

Try typing one of the words you didn't want in your dictionary and it should not appear.
It seems like Google hasn't documented that their keyboard now uses suggestions from the personal/user dictionary, their standard dictionaries, and also from their Google Search and GMail suggestions.
I think SwiftKey only learns words from your email or texts when you explicitly allow it to. Otherwise it learns from your typing. Google's Keyboard should probably do that or at least make it clear exactly where the suggestions are coming from.

the SafeSearch Filter is also in the Search > Accounts & privacy menu, might be a good time to turn it on too!

I just fixed it! I'm running a Galaxy Nexus phone with Android 4.3 and I had a similar problem. In addition to saving words like "thibk" and "tou" (go home, thumbs, you're drunk), it somehow ended up containing the word "THEYRE," much like OP's "DONT."
This drove me insane - how dare the Great Googly One tell me not to use an apostrophe? It's my right as an American citizen!
Anywho, I went to Settings > Apps > All > Google Keyboard and then uninstalled all of the updates to Google Keyboard, bringing me back to the stock factory settings. It didn't delete all of my texts, nor did it mess with my personal dictionary ("Mutha***kin'" is still right where it belongs). I'm also now running Textra instead of Swiftkey and I find it much cleaner and easier to use, but that's neither here nor there.
Anyway, good luck! DONT let them get you down, OP!

+1 Great Googly One. I have exactly the same environment, i.e. Galaxy Nexus with Android 4.3. I went to Settings > Apps > All > Google Keyboard and all I see is: Force stopd (does nothing), Disable, Clear data and Clear cache. Plus long list of permissions. How did you managed to uninstall all updates (or uninstall anything) to this system service?

I just worked out how to do this.
If you open a text in messaging, then type the word that autocompletes, long hold, as Gil noted, and then select delete, it will then remove all instances in other software.
This also means you don't have to clear all your other, correct, auto-completes.
I'm using 4.4 on a s4

I found out on my Samsung Note3 that I had to deselect the google voice guided (my translation is "Google Spraakgesturud ty.."
After that I could hold and delete words from the dictonary.

I had the same issue and found it a couple of months ago.
You should go to: Settings >> Language & input >> Personal dictionary.
Choose the language which the incorrect word was stored and then a list of all personal words will be there. Just choose it and then delete (or you can also edit, it's up to you).
This path was used for my Nexus 4 4.4.2 Kit Kat (the same of yours). Other brand's Android version may be quite different.

It would seem that the OP was already able to find their personal dictionary and that the offending word was not found therein.

@AlE. is right, I've already tried this.

THIS WORKED FOR ME ON STOCK Android! Removed just 1 word from personal dictionary (At least on Android 5.0.1) Get the feeling Samsung devices changed the functionality opting for an interface using the keyboard but why they didn't leave this perfectly workable Personal Dictionary interface intact I don't know

authors: Борисов Макс


text:
Mask IP Address Android Device
How would I anonymize my Android device and it's IP address? I don't want to be rooted as well, using a GS4.

There's three related questions on the matter tagged with [tag:tor] - have you looked at those as well?

Who are you trying to be anonymous from?

You can use a VPN application, which usually works with no root access but approaches what you're looking for. In addition, you can use Hideman VPN. Also, one of your question tags are Tor. You can use Tor, but only the Orweb Browser will stay anoynmous. Without root, it's not your device that's anonymous.

Hideman looks good, but probably not going to pay. Thanks though!


text:
HDMI for Android
I would like to connect my GS4 to my plasma television. I have an HDMI adapter, but will the sound come from the television or my device? And what do I use other than the HDMI adapter?

Why not just try it?

I want to test it before doing anything.

It won't harm your device -- the most that could happen is that you find out whether or not it's compatible with your television.

You can connect your Android device to your plasma television with an HDMI cable. (Though I wouldn't suggest buying it from eBay.)1 Sound should come from your television, I'll bet. Make sure the Android HDMI adapter is compatible with your device first.

What you need to connect a Galaxy S4 to a TV is an MHL-to-HDMI adapter, like this one that I use.

You connect the micro-USB bit to the phone, the big USB end to a charger (the adapter needs power.  This will also allow your phone to charge while you're using it like this), and the HDMI to the TV.
Audio will come out of the TV, or whatever it sends the audio to normally.
If you select a different MHL adapter and it isn't specifically advertised as being for a Galaxy S3 or S4, you'll need an 11-to-5 pin adapter, like this one, to use it with your phone, as Samsung uses a different connector for MHL than most other devices do.

That is actually very good advice, @user50798. If it's not a specified wire, the likelihood of it fitting most "any" Android device is high.


text:
How to Disable Double Tapping?
My Galaxy S2 asked me to double-tap and drag to unlock (instead of just dragging) and every time I try to tap anything, one tap only makes a yellow box appear around the app or file or whatever, which is really difficult to deal with and annoying.

Could it be you've played with the developer options? Though I've never heard of that side-effect, the "yellow box" reminds me of some "feedback" which can be enabled there.

Are you using Accessibility options?

Go into the device settings, then from My device, choose Accessibility. From that menu, press TalkBack, then click the switch in the top-right corner to turn TalkBack off.
After tapping something once to get the yellow box (and the spoken description of what the thing is), double-tap anywhere on the screen to click the highlighted thing.

But I can't scroll down to the accessibility settings. Double tapping also locked the scroll-down. Any idea?

The steps to disable double tap to unlock

Go to Applications

Go to Settings

Go to Accessibility

Select Talk Back and turn off Once the talk back has been disabled.
you do not need to keep on doing double tap.

On some Android phones, you can disable TalkBack by holding Vol+ and Vol- for a few seconds.

On Samsung Galaxy Y Plus (GT-S5303), follow these steps to remove the double tap:

Go to Settings
Choose My device
Tap Lock Screen
Go to Screen security lock

all_licenses: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/


text:
Can an encrypted Android phone be unlocked with an USB drive some way?
I want a fast way to login to the system without entering difficult credentials. If the usb key is not present there won't be the ability to decrypt the system ... Some 2-factor solution without NFC because the device doesn't have NFC.
Does somebody know how I could do this, because I can't find a way to do it?

Can you please clarify what you want to achieve?

@4M8B Edit that explanation into the question, people don't always read the comments.

If you are talking about default encryption system shipped with Android, you can't autologin even with NFC. Forget about the USB.

No, this is not possible given how full-device encryption is currently implemented in Android. The bootloader needs your credentials to perform decryption well before anything like drivers for NFC or userland code is loaded.


text:
Why can't I access Google and other sites when tethering my phone?
When I tether my phone, I can't access Google or Gmail (other sites, too).
cmd: ping http://www.google.com; Ping request could not find host...

List of problem sites/applications:
Sites:

https://www.google.com; http://www.google.co.jp;
https://encrypted.google.com
https://www.gmail.com
https://search.yahoo.com, same issue.
Also, https://play.google.com.
Further, https://github.com.
Dang!  https://www.freelancer.com.
https://www.sugarsync.com.
https://www.dropbox.com.
Parts of http://www.titanpad.com (i.e., login); makes me curious as to whether or not it's a language-blocking issue.

Apps:

ET Naver Line (a.k.a. LINE) (jp.naver.android.npush)

I experience this on various sites and apps; however the above are sites tested as working over emobile (separate modem)--the URLs should be correct.  I would change the question title, but I have a support request in with the developers to contact me via this site for a resolution.

Device info:
Phones:

Softbank Fujitsu Arrows 301F; 4.1-Jelly Bean.
Softbank Aquos 104SH; 4.0-Icecream Sandwich.
Connected via USB, debugging mode enabled, in MTP mode.
Phone's DNS: Google DNS; OpenDNS.

PC's:

PC OS: Windows 7 SP 1 (please request any hardware specs).
Connection methods tested: chrome latest, IE10 latest, cmd (ping), telnet.
PC's DNS: OpenDNS; Google DNS; no DNS.

Non-specific:

Tethering software: EasyTether lite (no root).

Known error messages:
Via Chrome:

This webpage is not available
Reload  Less Google Chrome could not load the webpage because www.google.co.jp took too long to respond. The website may be down, or you may be experiencing issues with your Internet connection. Check your Internet connection. Check any cables and reboot any routers, modems, or other network devices you may be using. Allow Chrome to access the network in your firewall or antivirus settings. If it is already listed as a program allowed to access the network, try removing it from the list and adding it again. If you use a proxy server... Check your proxy settings or contact your network administrator to make sure the proxy server is working. If you don't believe you should be using a proxy server: Go to the Chrome menu > Settings > Show advanced settings... > Change proxy settings... > LAN Settings and deselect "Use a proxy server for your LAN". Error code: ERR_CONNECTION_TIMED_OUT

Via IE 10:
Via CMD:

Ping request could not find host https://www.google.com. Please check the name and try again.

Via Telnet:

Connecting To https://www.google.com...Could not open connection to the host, on port 23: Connect failed

Via LINE:

Unable to login due to network issues.  Please check your connection and try again.

Question summary:
Why am I experiencing these issues (not being able to connect to the above-mentioned websites), and how can these issues be resolved?  Can you help me test what I think is causing the issues?

Proposed causes:

Perhaps the reason I cannot access these sites is because they are in use by the phone?  If that is the case, I am not sure how to test it.  So far, when I "force-stop" and "disable" an app like LINE, I still cannot connect.  So, I thought: it's possible that the phone is reserving the app's networking info, somehow. So, I went so far as to uninstall Line from my phone and reset the phone and PC.  Still unable to use Line on the PC.  Furthermore; Skype works simultaneously on PC and Phone.
Perhaps it's a PC or OS issue?  I still have yet to tether my phones to a different PC or OS.
Perhaps it's a DNS issue?  I still have yet to test this, but I believe I get a similar error with OpenDNS when trying to access localhost.
"Activate EasyTether or use it with UDP and secure sites BLOCKED?  This message appears at the top of Easy Tether's settings screen.  I'm very curious to know whether or not this is the cause.  It seems highly likely.

can you access/ping these sites via their IP addresses? If you can, that indicates a name resolution issue.

BTW, editing the question title won't invalidate old links to it. The question number is the part that matters: having the title in the URL is just a convenience and for SEO.

Can you still reach the broken sites from the phone when tethering, or is it both the phone and the PC that fail to reach them?

Who is providing internet access here? Are you using your PC's internet on your phone, or the other direction? If the latter, your first "proposed cause" is probably correct. I remember having read the similar thing a couple of times already: as soon as tethering is active, internet seems to be no longer available locally. I'm not 100% sure, though, so you might want to check other questions here for that.

Possibly related: Android Tethering DNS Problem

@DanHulme Well, thank you for the interesting meta-info.  About the setup: Using the phone's internet to access the web via PC.  me<->PC->phone->internet->phone->PC<->me.

@Izzy Right, it seems they resolved the error (it's a bit different) by doing something with their DNS (connecting to Google's DNS via their PC and phone).  I'm going to try linking my PC up to Google's DNS.  Maybe that will work.

check out cause 4?

@DanHulme I could access those technologies from the phone.

Resolution
EasyTether Light (No Root) is the best tethering software I've been able to find on the Play store; however, it blocks UDP ports and secure protocols.  Updating to EasyTether Full (cost: 9.99 USD) resolved the issues on all of the above-listed sites and services.  It was very bothersome to go through all this and e-mail the developer, only to get a kind of boggled response from him.  Their FAQ does not mention this, and the message in the app was covered up by the "warning, do not scratch the camera" message I had written on my screen guard, up until yesterday; so, I simply didn't notice.  I hope the developer will upgrade the app to include some kind of pop-up message indicating that this is the cause of the issue, or at least add the issue to the FAQ.
Thanks for all the comments and wonderful help!

I have the same problem with USB tethering. I have to USB tether the phone to the PC to get the internet because I am changing ISP's. Google.com works intermittently. Wiki doesn't respond, reddit is 100% and so is stack, and 70% of all internet sites "took too long to respond" page unavailable. Using WIFI tethering gives 100% page throughput on the same OS for my laptop, Windows 7.

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/


text:
How to update Galaxy Nexus from 4.0.2 to 4.2?
I had a Galaxy Nexus running Android 4.2.1 and it broke. My insurance replaced it, so I have a new Galaxy Nexus running Android 4.0.2. The new phone doesn't show that any system updates are available. (Well, I think it updated from 4.0.0 to 4.0.2 as soon as I turned it on, but nothing since then.) How do I update it to 4.2?
(Sorry if I'm not giving enough information; I'm new and I'm not sure what's relevant.)
QUESTION RESPONSES:
-I am in Canada and my provider is Mobilicity.
-I have tried going to About Phone -> System Updates and nothing shows up.  When I first got the phone, it updated from like 4.0.0 or 4.0.1 to 4.0.2, but that's all that has showed up.  I also tried clearing the cache and force stopping Google Services Framework, as suggested in another thread.
-I don't really know what it means to install the update manually; I guess I'm willing to, but I feel that something must be wrong because this is the exact same phone (as far as I can tell) I've had for the last year with the exact same provider.  When I got this phone one year ago, it ran Jelly Bean automatically, so I don't get why this one wouldn't do the same automatically.
NEW INFO:
-Sometimes when I click System Updates, after it says there no updates available and shows "Last checked for updates" as the current time, it starts downloading a 41.2 MB "Android System Update".  After it downloads, it restarts and gets that picture of the robot having surgery, but it's still running 4.0.2.

I don't think this question is a duplicate of the one posted, because this is a case where I know there is an official update from the carrier/manufacturer, but my phone isn't seeing it.
I noticed another thing: when it downloads the "Android System Update" and restarts, the picture of the robot starts off as a green guy standing up with a blue thing spinning in his chest, but then it changes to the green guy laying down with a red caution triangle over his chest.  Does that tell me anything?

I checked the general thread you mentioned on how to update the OS and followed it to the thread "When will my device get the 4.2 update?" which says that the Samsung Galaxy Nexus for Canada Bell (not my carrier, but in my country) got the update in March 2013.  I remember getting the update from 4.1 to 4.2 on my old Samsung GN last spring as well.

I suspect you'll need to do the update manually.

I updated the question to show why I don't think it's a duplicate.

I agree. I don't think it's a duplicate, either.

I agree with you and Al, but since this has got a bit cluttered and you seem to have encountered a newer / more specific issue, I've close this in favor of the other one.  I hope that works for you!

To update the system software, go to
Settings -> About phone -> Software update -> Check for updates

I updated my post to more clearly explain what I've been doing that hasn't worked.  Thanks!

If Settings > About phone > System updates turn out useless, my best bet, would be to look for in the XDA Developers forum.

Would that forum be to do a manual install?

Unfortunately, yes. Developers in the forum would provide custom unofficial builds for your phone. You'd need to "root" your phone (as is the local jargon), which would void your guarantee (i'm assuming its already void, since the device you're talking about is (relatively) old), so be sure to read and understand what you're doing :)

It's actually a brand new phone and I really don't want to void the warranty because I think it's flawed.


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Huawei Ascend P6, Moving maps to external sdcard
I bought an Huawei Ascend P6, which comes with 8GB internal phone storage. But only ~4GB are available for the "internal storage".
I installed my apps, which include Tomtom Europe and Copilot Europe, which respectively have maps of about 4 and 2 GB. Both of them only install the offline maps in the internal memory for this phone.
I am trying to find a way to install those maps into the external SD.
I tried, without success, the following solutions

trying to move the apps to SD card after installing the maps. The App gets moved, but the maps remain in the internal storage.
trying to create a symbolic link installing a terminal app and using the ln -s command. But it doesn't work since the /mnt/sdcard (internal memory) is VFAT.
I tried some apps to move applications to the external SD card, but no success yet. (tried Link2SD)

Any help would be appreciated.
I read that FolderMount App can solve the problem, but it only works for rooted device. But my device isn't rooted (so, if anyone does have a good tutorial on how to root this device, it would be appreciated). But if possible, I would avoid rooting.
I still have the last try in the arsenal, which is enabling the debug mode in the cell phone and trying to use the command pm set-install-location 2 via adb or a terminal emulator app. I didn't try this yet, since at the moment my phone is installing the firmware update.
Any help would be appreciated.

I'm afraid there's no solution without rooting the device. Only things I know for such cases are FolderMount (as you already mention) and DirectoryBind; both require root access. That only leaves to either root your device, or have the resp. devs fixing it in their apps.

the pm set-install-location 2 command didn't solve. I saw that modifying the app configuration files manually in a special "procedure" can address the issue for co-pilot. I am sure that the same thing can be achieved by altering the files (currentmap.dat which is binary and .metadata.xml and maybe some other files). Those are the last resource I'll try tonight, then I'll give up and start trolling on the support forums for those apps.

I solved the issue this way: I sold the Huawei Ascend P6, and bought a Google Nexus 5. And it works much better.

I was just about asking you to make that an answer – but for obvious reasons, that doesn't make much sense :) Glad the problem is solved for you, though I'm less happy about the kind of solution it required… Still wondering how you're moving apps to the external SD card on a Nexus 5, though #D


text:
Setting gmail to sync / push / notify on wifi only?
I have a droid mini that is running 4.2.2 and I want gmail to only sync automatically on WIFI only; never on 4g / network / whatever. How do I do this without rooting the phone?
When I first bought the phone, gmail allowed me to chose to sync on wifi only (and by sync, I mean that it would notify me of new emails and download them or what not on wifi only). This is how it was originally set up. I work for a local cable company and this was great. I know this is how it was originally set up because 1) I set it up that way and 2) when I setup up new internet connections in customer's homes, I would use the wifi on my phone to verify that their internet was working. As soon as the wifi would connect I would usually hear my phone announce I had emails, letting me know the wifi was connected.Then today, I was having an issue with Google play store. I took my phone into Verizon where they claimed to only have 'soft reset' the phone. Now, not only does gmail download / notify /syn (whatever) whenever it wants but the setting for wifi only is completely gone. I distinctly remember something like 'sync on wifi only' or 'push on wifi only' or something like this. I assume there has been some update or something recently and I have no idea how to check this. I would, however, be happy to uninstall the update if i could get it to work on wifi only again.

So long story short, how the hell do I get gmail to 'whatever' on wifi only without rooting?

You can use an app like Llama or Tasker to activate sync only when on WiFi. If you turn off sync, that also turns off syncing of your calendar/contacts/tasks et al in your Google account.
The Gmail app should have an option to only download attachments via WiFi within your specific account options.

I would definitely recommend Tasker. IF you google around you'll find some good tutorial videos as Tasker is not super easy to figure out. However, once you do, you're in automation haven!


text:
No Move to SD Card or Move to USB option in android 4.2.2
I have a Carbonn Phone (model: A18+)
http://www.karbonnmobiles.com/karbonn-A18+-proid-193.html
Android Version is 4.2.2
Under Settings -> Storage -> 'Preferred install location' and it has three options for it:

Internal device storage
Phone storage
Let the system decide

there is no option for "External storage device"
but below Preferred install location there is another option: Settings -> Storage -> "Default Write Disk" and it has two options:

Phone storage
SD Card

I have "SD Card" selected here
But I don't have choice to choose SD Card or External storage to install apps and when I install any app from 'play store' that goes to either to phone or to internal storage.
Even after going to the Settings -> Apps ->
I only see 4 tabs
Downloaded | Phone Storage | Running | All
there is no 'SD Card' or 'USB Storage' tab and when i tap any app here it only shows "Move to Phone storage" or "Move to Internal Storage" on 'App Info' Screen.
My question is How can I move or install apps to External SD Card. I have tried many apps like APP2SD or similar ones. But no app gives me to move apps to SD Card. Even I have tried rooting my phone, that also doesn't work.

That limitation has been forced upon you by the "ROM baker" (most likely the manufacturer). LG support e.g. falsely claims "Android 4.x doesn't support it anymore", which of course is not true. For possible solutions, please take a look at: Installing to SDCard by default / Android Devices: use external storage as a default storage / our app2sd tag-wiki.


text:
How to manage browser favorites with Chrome?
How can I manage the position of my favorite links in the grid of chrome?
I have several favorite in the default grid, but the position is determined by the order of saving. I would like to order my favourites by needed (by use for e.g.).
I use chrome with no extensions on Nexus 4 with Kitkat 4.4.3

I couldn't test this approach because my Chrome for Android didn't sync with Chromium on PC. However, the approach theoretically should work.

Make sure Chrome browser both on Android and on PC is synced to same same account. See Why sign in to Chrome.
When the bookmarks get synced, launch Chrome on PC and type chrome://bookmarks in the URL bar. It will open Bookmarks Manager.
In the left pane, choose Mobile Bookmarks.
Hold a bookmark entry and drag it to your desired position.
Wait for the sync to take place and see whether the changes are reflected in the Chrome for Android.

If yes, do tell me!

This approach requires a rooted device. Bookmarks are saved in the file /data/data/com.android.chrome/app_chrome/Default/Bookmarks and the backup in Bookmarks.bak.
Simply pull that file into PC or edit it in Android. Before attempting to edit make sure that Chrome is not running. Force-stop it using Settings  → Applications → All apps → Chrome → Force Stop.

This is a typical look of a Bookmarks file having two bookmarks.

"children": [ {
   "date_added": "13086476457495966",
   "id": "9",
   "name": "Stack Overflow",
   "type": "url",
   "url": "http://stackoverflow.com/"
}, {
   "date_added": "13086471687779090",
   "id": "6",
   "name": "Index of /sdcard/Movies/",
   "type": "url",
   "url": "file:///sdcard/Movies/"
} ],
"date_added": "13086470816073516",
"date_modified": "13086477795302443",
"id": "3",
"name": "Mobile bookmarks",
"type": "folder"

In order to change the position of a bookmark with the other, interchange the following lines of the bookmarks:

"date_added": "13086471687779090",
"id": "6",
"name": "Index of /sdcard/Movies/",
"type": "url",
"url": "file:///sdcard/Movies/"

Save the file and remove the Bookmarks.bak.
Launch Chrome, go to Bookmarks and the changes would be reflected.


text:
SGS2 can't connect to PC for USB file transfer or Debugging mode
I am an Android developer and I have been using my SGS2 for a while and I was accessing the debugging mode without any problem, until I broke my phone's screen. I found a repairer who replaced the screen with another. Since that day I cannot access my S2 neither on Debugging mode, nor on USB File Transfer mode.
How can I fix this?
EDIT
It still charges when connected to PC, but no feedback in my Win 7. I tried with other computers and getting the same things ...

Sounds like the "repairer" messed up something. Have you checked with him?

i wanted to be sure before going back to him ! what has he messed up ?

Guess some "cables". I'm not in hardware, so I cannot be sure: but if it worked before, and all that has changed was some hardware, the culprit is most likely to look for there. Does it still charge when connected? Do you get any feedback on either your PC or the SGS itself when connecting the cable? Have you tried a different cable, and are there any differences then? No charge, no feedback, and no difference would make it pretty sure a messed-up "wiring". Even if charging works, he might have forgotten about the other two (data) pins, or accidentally losened something.

Thank you @Izzy. I have edited the question to provide some more information for new comers. Please can you explain what you mean by : he might have forgotten about the other two (data) pins, or accidentally losened something

To replace the display, he needed to at least partially dis-assemble the device. I have no idea how it looks from the inside, but he could have accidentally losened some connections, or simply have forgotten to re-attach something. There are definitly some connections he had to replace (to make the touch-screen work). But that's rather an Android unspecific hardware issue. Why not just ask the one person who should be able to tell? We can only guess here.

yes you are right, thanks for all. I will ask him tomorow, and will come back to you. Thanks.

Hi @Izzy. You were right, he messed something up ? it was difficult to convince him, but he finally knew and repaired it back. Thanks too much.

Glad the issue solved for you! I've summed up the solution and made it an answer. You might wish to "accept" it, so the question turns up as being "answered and solved" in all lists. Thanks a lot, and enjoy!

The description of the issue pretty clearly pointed to a hardware issue (the "repairer" having "messed up" / forgotten to re-attach some "connectors").
As reported back, this guess was correct: Taking the device back to him and have him check, he found the "missing link", repaired it, and the device is fully operational again now.


text:
How can I get the last dialled number and call duration via adb?
I'm creating a computer system for telemarketing.
I'm using adb commands to dial numbers Link
Is it possible to get last dialled number and call duration via adb?
If it is, how?

Did you ever figure this out ? in my case, the android isn't rooted, so accessing /data/data/com.android.providers.contacts isn't possible ( permission denied )

Maybe you just need to pull
/data/data/com.android.providers.telephony/databases/telephony.db

as it contains all the call logs, and then filter through?
Something like:
cp data/data/com.android.providers.telephony/databases/telephony.db /sdcard/MyTelephoneDatabase.db

...will try it tomorrow and confirm if it works or not
PS this is sqlite database?

Yes - This is a sqlite database :)

I thought I answered it long time ago.
You do it like that
c:\adb\adb.exe shell sqlite3 /data/data/com.android.providers.contacts/databases/contacts2.db "SELECT * FROM calls order by _id desc limit 1;"

But it may be different in different android versions. As far as I remember worked on KitKat

Just note, that sqlite3 creates a database with the same name incase contacts2.db is not found, so I would advise first to run a command to make sure it exists


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Can't update apps nor install apps
I have a Galaxy Nexus with the stock firmware, it's a device that has been powered off for a long time. Currently I can't update any existing apps nor can I install new ones. I have tried with Chrome, Firefox Beta and Opera Mini, I also tried updating existing ones with no luck. Also there are apps that have updates available but Play Store doesn't offer the option to update (for example the version of Firefox is 16), others (actually just one) are listed as having available updates.
There are two different behaviors that occur.
When trying to install  Chrome
The Google Play says that the app is not compatible with the device, i don't think is the case. The same happens with Firefox which is listed as a supported device in the mozilla page
When trying to update an app or install Opera Mini
When trying to update an app with updates available or installing Opera Mini my device is recognized as supported but after clicking install and accepting the permissions an error occur, it says:
Error retrieving information from server. [RPC:S-3]

I have already deleted the Google Account and recreated it (password works)
Android version is 4.1.2 build number JZO54K. No carrier and no SIM, connected over a working wifi (I can surf the net with firefox)
Any ideas?

Definitly related to the second part of your question: Error when downloading application from the play store: RPC: S-3

Did you try clearing the app-data of play store?
If not, try clearing the app-data, and/or any updates installed by play store, and allow it to install a Play Store update again (it will do this automatically), and then try using Google Play Store.

I suppose this should do the trick

As said by Izzy following those steps did solve the problem combined them with what you said of removing updates to the Google Play Store, I didn't test them separately so I don't know if both steps are actually needed.


text:
Android Version Upgradation
I have an Android Version 4.04 ICS on my Samsung Galaxy S Duos phone, how do I upgrade to version 4.1 as I am aware it is possible, did try to Google, but in vain as I did not find satisfactory answers. Is it possible to use the Debugging Mode to upgrade the version.
Thanks in advance

You can update using kies if samsung has released official update for your phone.
If there is no official update, search for custom roms. Installation instructions will be found along with such roms. Use your best judgement.
This question seems to be off-topic btw. Please go through the rules.


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Nexus 7 ('13 CM11 Nightly) keeps waking up while charged
The tablet has been plugged into the wall and left alone. Every minute the screen turns on, and I have to press the power button to turn it off. This started last night as the tablet was quite warm from being turned on all last night.
What's the best way of detecting why it's turning on so often?
Looking at the running apps I don't see anything asking for permission.

Ah, SuperSU you clever girl! Apparently Greenify was updated and it was constantly asking for root access. The prompt woke up the tablet each time. Boy do I feel silly now!


text:
What are the Bluetooth profiles supported by the Nexus 7 (KitKat)?
I would think this is a simple question, but I am not finding the answer after searching.
What are the Bluetooth profiles supported by KitKat on the Nexus 7?

The full list of profiles is:

Advanced Audio Distribution Profile (A2DP)
Headset Profile (HSP)
Health Device Profile (HDP)
Health Thermometer profile (HTP)
Heart Rate Profile (HRP)
Human Interface Device Profile (HID, InputDevice)
Message Access Profile (MAP)
Personal Area Networking Profile (PAN)
Audio/Video Remote Control Profile (AVRCP)
Generic Attribute (Gatt, HOGP, BTLE): Bluetooth 4.0 required
Generic Attribute Server (Gatt Server, BTLE): Bluetooth 4.0 required

Wow, this is interesting! How did you get this list?

Compiled it from multiple sources.

New Bluetooth profiles
Android 4.4 support for two new Bluetooth profiles to let apps support
  a broader range of low-power and media interactions. Bluetooth HID
  over GATT (HOGP) gives apps a low-latency link with low-power
  peripheral devices such as mice, joysticks, and keyboards. Bluetooth
  MAP lets your apps exchange messages with a nearby device, for example
  an automotive terminal for handsfree use or another mobile device. As
  an extension to Bluetooth AVRCP 1.3, users can now set absolute volume
  on the system from their Bluetooth devices.
Platform support for HOGP, MAP, and AVRCP is built on the Bluedroid
  Bluetooth stack introduced by Google and Broadcom in Android 4.2.
  Support is available right away on Nexus devices and other
  Android-compatible devices that offer compatible Bluetooth
  capabilities.

Source: Android KitKat

What I am looking for is the complete set of profiles for the Nexus 7 running KitKat; not just the new KitKat introductions.


text:
Android Encryption porting
I'm currently trying to enable the full disk encryption in Android on my custom board.
Some informations:

The /data Partition is the 4th Partition on my SD Card.
after the /data Partition there is >2MB free space
the /data Partition is ext4

If I run vdc cryptfs enablecrypto inplace 1234 I get
logcat | grep crypt
E/Cryptfs ( 2407): Orig filesystem overlaps crypto footer region.  Cannot encrypt in place.

If I run vdc cryptfs enablecrypto wipe 1234 I get
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table
device-mapper: table: 254:0: crypt: Error creating IV
device-mapper: ioctl: error adding target to table

and the device reboots afterwards...
Some extended information:
fstab
cat /fstab.boundary
....
$BD4    /data    ext4    nosuid,nodev,nodiratime,noatime,nomblk_io_submit,noauto_da_alloc,errors=panic    wait,encryptable=footer
....

init.rc
cat /init.boundary.rc
...
mount_all /fstab.boundary
...

Screenshot from the partition layout:

Any help is very welcome.

I assume you use the wrong parameter in your fstab. You can't place the footer in space already reserved for a filesystem. Either make an extra partition (sdc5) and specify footer=/dev/sdc5:0 (to put it at the beginning of this partition) or specify a negative offset to use the space at the end of the partition, e.g. to use 16k of the partition specify: encryptable=footer,length=-16384
Not sure if you'd need to make your ext4 filesystem not smaller than the partition, otherwise it could overwrite your footer.


text:
iRola DX752 does not charge after a while
The iRola DX752 purchased for Christmas does not charge. It worked for a while, but then does not work when plugged to an outlet either.
Is this a known hardware failure? If it isn't, are there any suggestions?

I'm not sure any of your fellow users will be able to help you with that. It sounds like you need to take it back to the shop.

You're not the first person to have trouble with this model of tablet.

Have you tried different cables? Different charging methods, like USB versus wall charger? Does anything happen when you plug it in? Any pop-ups when connecting it via USB to your computer? If all turns out negative, I'm afraid you've got to follow Dan's above advice.

This was my Christmas present to myself also.  It only charges with the 2.5mm plug on the AC Adaptor that was supplied with the tablet.  The mini-USB port and the supplied cable works well with transferring data, but cannot be used for charging.  I've tried different mini-USB cables, different AC wall plugs, but the mini-USB will not provide a charge.  At least the supplied AC charger works, but if it ever breaks, good luck in finding a replacement, as the Chinese manufacturer is hard to reach.
I have seen a car-charger adaptor kit from Radio Shack for $20, that will do the job from your car's cigarette lighter port.  Those are the only two options I've found so far.

I also bought 2 DX752 tablets which displayed similar symptoms. It seems to be a hardware fault, and you should have it replaced by the manufacturer. Here's the contact information provided to me via Kocaso.com:

Global Phoenix Computers T&S
  Phone #s (607)257-7279 or (866)777-0069

They responded by asking for my receipt and then they will send me a replacement.


text:
Get the original photos after using PhotoSphere?
Using the new PhotoSphere camera mode to take a 360°×180° panorama, you have a stiched together image. Is it possible to get access to the original photos that were used?
I really like the PhotoSphere UI and method of taking panoramas, it's very well done. However the panorama software isn't great (it is a phone after all), and I'd like to use something like Hugin to generate the panoramas myself. Is there anyway to get access to, or to save, the original images that went into creating the PhotoSphere?

I do not believe there is a way to do this as stock, since the photos taken are stored temporarily and are deleted as soon as post-processing is complete. If you want to develop your own solution to this by creating a 'hook' for the opensource app "Focal" which has the same features as the stock camera. (Focal: https://play.google.com/store/apps/details?id=fr.xplod.focal&hl=en)

Now that link stopped working, and Focal exists on Google Play only in the donate version now. However, its source code is available here, so no issue.

At first usage, Focal saved the original photos in the normal camera folder. It never happened again, so I am not sure if it is the normal function or if it was an error. In the latter case, extending Focal to do it is possible, but Focal is "beta" quality and had many crashes and malfunctions for me (Nexus 7 on latest stock Android).

It is possible:

After shooting your photosphere, take a file manager and find the folder that corresponds to your photosphere shooting time. It will have the timestamp in the folder name in a location like this:
/storage/emulated/0/Android/data/com.google.android.GoogleCamera/cache/panorama_sessions/session_[yyyymmdd]_[hhmmss]
Copy it to a safe place as this cache will be deleted after some hours / more photospheres. For example, copy it into the camera folder so you can download it with your other pictures to your computer:
/storage/emulated/0/
Use Hugin or another photo stitching software on your computer to create a very high resolution photo sphere, as you intend to do.

Source: this answer

authors: นเรศ พลรักษา


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Mounting debian img issues, on the Kindle Fire [linuxonandroid]
I've been stuck on this issue for about 2 months now.
Everytime I try too run LinuxOnAndroid I get the following error:
mount: mounting /dev/block/loop255 on /data/local/mnt: Invalid Argument.

My /proc/filesystems show I support:
  ext2
  ext3
  ext4

If I try too mount /dev/block/loop255 the with -t ext1 the error becomes
mount: mounting /dev/block/loop255 on /data/local/mnt: No such file or directory.

My /proc/config.gz shows my rom DOES support loop devices.
And, I'm using a Kindle Fire first GEN.
I have no idea what's going on, if it helps it used too run untill I had too hard reboot the tablet once. I have filled a bug report with LoA but havn't been gotten back too for 2 months so far.

Have you tried alternative Busybox installations? Could be an old version of mount tripping you up.

@Chahk I updated Busybox as my first thing I did.

@Chahk I'm starting too wonder if it's an issue with the image itself.


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Google Tablet help need power
Just purchased this for Christmas, it will not charge or turn on, any suggestions.
Have tired several different charger

You mean NEXUS 7 or Nexus 10?

Have you tried connecting it to a computer? Have you tried pressing and holding the power button for a couple of seconds [say, 10]?


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Is there any Android email client that fully supports offline reading?
I'm using K-9 mail on my Nexus 10 tablet. It is a good client, but it does not fetch images in HTML messages for offline reading. It has a setting for fetch images, which I have set, but I'm not really sure what it does. Images in HTML messages are still not fetched. At the moment the message is displayed the images are loaded. If there is no Internet connection at that time, there are no images.
Is there any Android email client that can be configured to fetch images when fetching the messages?


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"Avoided poor Internet connection" on LG G2
I'm trying to connect to my home's wireless router with my new LG G2 (running version 4.2.2) and it keeps saying "Obtaining IP address..." for three minutes, then momentarily saying "Saved, secured", before cycling through all over again. It does this about 5 times and then eventually stops trying and says "Avoided poor Internet connection".
It seems that the problem is only affecting my Android device. My laptop can connect; my mother's and girlfriend's iPhones can both connect; and this is the second Android device I've had with this connection issue (my old Droid 4 had it too).
I can't figure out what the problem could be. I've tried changing the broadcast channels on the router with no luck, and I'm too worried to mess around with the network settings much more, for fear of messing up the network for more devices.
On top of this, with the recent phone upgrade and data transfer, I'm at 90% of my monthly data usage, with half a month yet to go. :[
What can I do to connect to the wireless, short of getting a new phone or new router?
[EDIT 1] OK. So now I've tried using my desktop as a mobile hotspot, and this is still not working. Perhaps the most troubling part is that it isn't working even when I bypass the router altogether, and plug the computer directly into the modem. It even failed both with and without encryption.
[EDIT 2] Here is a screenshot of the Advanced Wi-Fi settings, as requested.

Click image for larger variant

I have tried this and just about everything but my WiFi still is not connecting, it says saved and secured and when I press connect it connects for about 2 seconds, yes, I have tried 're entering my WiFi password but even that won't wont

If your device rooted? + Try this... disable WiFi connection, put your phone in "Airplane mode" and then turn on WiFi again, and check if it results the same problem.

Goto Settings --> Wifi-->(press menu) Advanced--> uncheck "Avoid Poor Connections" checkbox.
Then Click on network Available. Now it will connect(or else click forget and re-enter your password.

Thanks for your reply, but this option isn't listed anywhere in the menu. The only "advanced" options are (1) Keep Wi-Fi on during sleep [always] (2) Wi-Fi signal weak [unchecked] (3) Internet unavailable [unchecked] (4) Wi-Fi (battery) optimization [checked] (5) Manage networks

I was on the Advanced menu.

Pls mention device and OS version.

I thought LG G2 with Android 4.2.2 was enough. The software version is VS98012B, if that helps.

Could you please post a screen shot of Advanced Settings menu

Added one to the initial post.


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Redirect speaker output to microphone
I want to redirect speaker output of Android mobile to microphone, just like this person did it on Ubuntu https://askubuntu.com/questions/283687/redirect-speaker-output-to-microphone
How can I do it?

Do you want to record the speaker output, or send it to the other caller in a phone call? What phone do you have?

@DanHulme I've Padfone 2. I want to record the speaker output.


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Where is the mic located on Samsung Galaxy S2
I have downloaded an app for calculating distance of the phone to the wall It is known as sonar. I want to test this app. So, I covered the speakers
of the phone which could be could found on the back side at the bottom of the phone.On doing so the app showed noticeable change in the distance calculated. However, I could not find the mic's exact location. I want to cover up the mic, and would like to observe any noticeable distance change. Then are couple of holes on the periphery of the phone, however, on closing each of them I could not find any noticeable. Can anybody show me in picture when can I exactly find the location of the mic. Thanks.

This is the mic on the Samsung Galaxy S2

And this is another mic on the top. In the user guide it says that it is a "mouthpiece" I presume by that they mean a microphone that is only active when you use the speakerphone feature or record videos or when the user is on a video call.

Unfortunately, even after blocking both of these holes, I could still record my voice using the sound recorder app.


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Phone gets shutdown
I have an issue with my Android phone as i cannot run more than one application at a time. If i run it gets switched off unexpectedly. Sometimes even working with 1 application will make my phone get switched off. If it happens i have to wait for 10 minutes to get my phone back again normal. In between if i try to switch on my phone again it will get switch off.
This issue happens when my phone internal storage is full and i thought because of no disk space it happens. I even posted a question about the internal storage space issue.
Android phone system data is keep eating the space
But after that I went to recovery mode and repaired my phone and now its like a new phone. I thought all issues got over but after that i found this issue is still there and makes me annoyed everytime it gets shutdown'd by any app. But the interesting fact is this shutdown issue is not happening when the phone is in charge. I can run any number of apps when my phone in charge and it works great.
I have collected log using "Log Collector" app and attached the link below.
Android Log
Please check the log and help me know which app or settings is making these issues. And also please suggest any upgraded OS if required to reinstall OS in my phone.
My Phone Specification
Model: Intel Xolo X900
Android OS Version: Android 4.0.4 Ice Cream Sandwich
Manufacturer's site

This sounds like a hardware problem, such as your phone's CPU overheating under load, or the battery voltage dropping.

Well the device is not overheating.. should be the problem with the battery... coz my device has a weird battery which is not removable instead wired with the device.. let me check and get back to you... thank you for the hint...

How can you be so sure it's not overheating? If there's a manufacturing defect in the heatsink, the CPU might be reaching 90℃ while the outer case only feels slightly warm.

coz when ever i play game or use heavy app i can feel the heat rising. But this time when the phone gets switched off i cant even feel a slight warm. Well im not very much sure, there may be also defect in CPU.. Let me check...

im also having the same issue with XOLO x900. It something with Battery voltage. And battery is not removable. HELP PLEASE


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Internet doesn't work with apps without using vpn
here's my problem :
in normal situation my Internet only works with browser (firefox) and not any other app like markets or Duolingo . But , when I use DroidVPN it starts to work with other apps as well . I suspect Google setting and Google market . I have uninstalled both of them because of some problems that they have . recently when I reinstalled them , this problem appeared . ( But I'm not sure , cause I think a while after installation it was working . )
by the way I am using my home wireless . my background data is on . I need my Internet back without any VPN app and I DON'T want any factory reset or any kind of reset and those stuff .
I've read all other similar question and answers . non helps !
can you help me ? PLEASE ? any help would be appreciated !
p.s. I'm using the wireless with my laptop to . and every thing is ok with it .

I'd suggest trying on a different wireless network. This sounds more likely to be a problem with your network than your phone.

Thank you for your comment . well , I use the wireless with my laptop too . and I don't have such a problem with it . so , do you still think that it is a problem with my wireless network ?
I really need to fix it . thanks

That's an interesting data point. Could you [edit] your question to add that information, and also let us know what internet apps work on your laptop?

Could you check your WiFi AP settings whether there's a proxy defined (in its advanced settings)? If I remember correctly, Firefox is one of the few apps ignoring global proxy settings, which might be the reason it works. And with the VPN not established, the (then wrong) proxy might prevent all other apps from accessing the network.

@DanHulme on laptop every thing works fine with the Internet .

@Izzy can you tell me how to check that AP setting that you mentioned ? is it about router setting ?

No. It's in Settings→Wifi, long-tap the SSID of the configured network, tap edit, checkout "advanced", then proxy.

@Izzy Check ! Proxy settings : NONE , IP settings : DHCP

OK, was worth a try. So it must be something else. Would have been too easy...

So what Do you people think it is ? I know you will find a way to solve this problem . you do ? don't you ?

I just had this issue on my Nexus 10 running Android 5.1.1.
I could not connect to the internet via my Wifi access point (AP) but I could connect to my VPN (Private Internet Access) and then connect to the internet. This only affected one device, all my other devices (laptops, phones, other wifi gadgets) had no issues connecting to the same AP.
The issue I found had to do with the DNS Leak Protection from Private Internet Access (PIA). The solution was to set a static IP address and DNS settings.

Disconnect form your VPN
Long press on your wifi network in the wifi settings
Check Advanced Options
Add your IP address and gateway (the IP address of your router)
I added 209.222.18.222 as DNS 1 and 209.222.18.218 as DNS 2. These are the PIA DNS settings.
Save those settings and test your connection

This fixed the issue on my device. Curiously this issue only affected my Wifi AP, when I connected to another access point I did not set have to set a static route.


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Can I use an external touchscreen with the Nexus 4?
I've seen a few videos of folk connecting their Nexus to an external monitor with a SlimPort HDMI cable. Would a 10 or 7 inch touchscreen work the same way? Or would it need a different cable connection?
If this is possible I can extend my Nexus 4 to a tablet :)

Are you asking if the "touch" portion will be functional?

Yes, the video I'm sure it will.

Duplicate confirmed.


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Android TOP command CPU usage
I'm running a simple command line audio processing program in a shell on my Nexus 10 (Android 4.4.2), and want it to consume 100% CPU while it runs. The reason being, if I know it used 100% CPU, I can compare the time it took to the length of the audio file, and work out the effective CPU load if my program were to run in real time. I have two questions:

When running TOP on Android, does the value in the CPU column refer to the percentage of one core, or both (my program is single threaded, very simple)?
When running my program, the CPU shown while it runs is 50%. Is it possible the system is limiting it?

"When running TOP on Android, does the value in the CPU column refer to the percentage of one core, or both (my program is single threaded, very simple)?" +1. I have a conclusion that it shows percentage of all cores, like Windows, not Linux!

I ran a stress test on my box https://play.google.com/store/apps/details?id=skynet.cputhrottlingtest , top shows at most 100% CPU.


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Sound output in speakers even with bluetooth headset connected
I use a bluetooth headset (Motorola S305) with my Nexus 4 (Stock 4.4.2) but when my phone rings or I receive a notification the sound comes in both, speakers and headset, I want to set everything to the headset, is that possible?


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Prevent autocomplete of addresses from gmail in android email application
I use my Galaxy S3 for both work and personal email messaging. I use gmail for personal and the stock email application, synced to Microsoft Exchange, for work email.
However, when I compose an email in the stock email application, it sometimes autocompletes with an address from gmail.  This is very irritating (and has resulted in some mis-sent emails), and I want to disable it entirely. I do not want to see ANY addresses from my "Gmail Contacts" in the stock email app. I only want to see suggested emails from my Exchange contacts. Possible?
Also, in the meantime I have enabled the "delayed send" feature to remind myself to check email addresses before sending.

That's a function of the keyboard auto-complete, is it not?

This question appears to be a duplicate of http://android.stackexchange.com/questions/55271/is-there-a-way-to-have-gmail-autocomplete-to-only-with-gmail-contacts-and-the

Rather, this is the 'reverse' of that question, but the answer is very likely to be the same for both.

Yes, that is essentially the same question - no answers though, I notice :(

I had exaclty the same problem. I use Sony Xperia Z with Jelly Bean 4.3
The solution that worked for me is like this:
1. Stop contact autosync of google account.
2. Clear all data and cache of Contact Storage App.
After this Email app will not autocomplete with Gmail contacts.
 The drawback is that the native Gmail App will not autocomplete either.
In general I believe this should be fixed in the next patch for Android somehow to let me choose from which contacts I want autocomplete to pull.
Hope this helps
KS


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Setting a Hardware ID on an Android Tablet
I wonder if I could get some guidance.
We purchased 6 android tablets for our kids over Christmas and shortly after we also purchased McAfee Live Safe so that we cold protect all these devices.  Now, McAfee's installation depends on a unique Hardware ID and it appears that from the manufacturer, the hardware ID on all devices are the same and have been rooted (Android 4.2).
Now, McAfee have no solution apart from refunding us our subscription as they are not able to resolve which means their application is not doing what it says on the tin.  this is all good but I have only found McAfee to provide an antivirus solution that will protect multiply devices.
I want to know if there is an easy way to set a Unique Hardware ID (like using the serial number of the device or the MAC address) so that I can install McAfee with no issues.
Anyone's help and guidance would be very much appreciated and I apologise in advance if this is the wrong place to ask but I have found many solutions from here in the past and thought I'd give it a go.

Did the folks at McAfee say anything about this "hardware ID"? It's not a lot to go on.

Given that McAfee himself (who has had nothing to do with the software for years after selling it to Intel) describes the product as "the worst software on the planet", I'd take the refund and be grateful at dodging that bullet.
I won't recommend a particular one, but you could buy six copies of a competing Android security product for what a year's subscription to McAfee Live Safe costs.

Other antivirus programs likely won't ask for device unique information from you either.  It almost sounds like it was trying to look for an IMEI number or something of that nature, which wouldn't exist on a wifi based tablet.


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Transfer Data from Android Mobile to Android Tablet
I want to synchronize my Android Phone and Tablet.
How can I copy my pictures and music to my Tablet?
I don't want to upload all my data to a Cloud service (my Internet connection is slow and expensive).
It would be great if there would exist an automated process where I don't need to select all files by hand.

Does it have to be USB – or would a WiFi solution be acceptable as well? Not involving the cloud, of course, just your Android devices and your PC.

That would be fine too. I thought USB would be the easiest solution, but I can use Wifi.

In that case: Take a look at my answer. Works great for me :)

If WiFi is acceptable, you might wish to take a look at FolderSync. Aside from cloud services (Dropbox & Co), it can also deal with Samba (Windows shares), FTP, SFTP (ssh with Unix/Linux), and more. You can define "Folder Pairs", i.e. which folder on your Android device should be synchronized with what folder on the remote machine. Sync can be done uni- and bi-directional.
I'm using that with all my Android devices and my PC, to keep different stuff in sync. Easy to do with e.g. photos or the music collection: Add a file on one device, and it gets synced across. FolderSync even supports tasker, which gives you plenty of possibilities to deal with: Having the device synced as soon as you're at home, or only when connected to a power source, at specific times, whatever.

authors: قحطان الشمري


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What does "Keep wifi on during sleep" mean?
I couldn't find an authoritative reference that explains what this setting does in my Android phone: Wi-Fi -> Advanced -> Keep Wi-Fi on during sleep.
What does this setting do, exactly?

The device goes to sleep when the screen is off and no background services are doing anything (such as checking for mail). When this happens, the Wi-Fi chip in the phone can go into a low-power state. This saves power while the device is asleep, but has some costs:-

Next time the device wakes up it'll take an extra fraction of a second to turn the Wi-Fi back on, making the tablet less response when you turn the screen on.
If the device wakes up to perform a background task (such as checking for mail), that'll take slightly longer too, and use more power. That is, the device uses less power while asleep, but waking it up costs slightly more: like the trade-off between keeping the engine in your car running, or stopping it and using more fuel/battery to restart it later.
Any apps with "push" features (using Google Cloud Messaging or similar) won't work while the device is asleep. That is, you won't get Google Hangouts messages, or notifications from Gmail, while the device is asleep.

If those costs are fine for you, leave the setting off to allow the Wi-Fi chip to go to sleep when the rest of your phone does. Otherwise, turn the setting on to keep the Wi-Fi on all the time.

Allowing WiFi to switch off during sleep saves some battery, but there are some apps that require a constant WiFi connection such as WiFi calling apps (VOIP) that will not receive calls without an active WiFi connection.
If you have apps that auto download new videos or podcasts, etc only over WiFi then again the apps won't work without that constant connection. Uploading new photos to Google photos is another example. For these apps setting WiFi on during sleep while plugged into power only should suffice.

to preserve energy, 'keep WiFi on during sleep' set to ALWAYS
as WiFi connection uses less energy than 3g/4g data, and of course you are not using data from your data plan.

This answer is only partially correct. WiFi does use less energy but only when IN USE. It does not help and actually makes things worse when IDLE since the WiFi chip itself drains battery. Mobile data uses the same connection as the cell radio which is always turned on regardless.

Keep Wi-Fi on during sleep = WiFi is always ON.
To save battery turn it to "No Wifi when sleep".
This only saves battery, if you don't turn on your smartphone often per 24h cycle. The less you turn it on, the less it turns on the wifi chip.


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Portable hotspot device IP reservation
How can you set IP reservations for devices that are connecting to the portable hotspot that is created by an android device?

Have you seen How configure the DHCP settings of WIFI Tethering(Hotspot) in android?

I don't think that's what I'm looking for. I want always assign the same IP address to a certain MAC Address.

Sure. But that can be done via DHCP as well, and AFAIK that's what hotspot uses.

Correct. I'm not looking to program an app, just want to know if there is an app that already allows this, or if there is a config file somewhere. Aside, both the apps they referred didn't work on my Nexus 4 (4.4.2).

According to an article on nascentstuff, there should be advanced settings in the hotspot configuration. I couldn't find them on my devices (stock 4.0.3, CM 7.2 with 2.3.6), but that might be different for you. Verizon shows a comparable instruction for the Droid X2. Do any of those work for you?


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Apps don't launch in a separate "window"
When, for example, I am in the Gmail app reading an email with a link to a movie on IMDB, and I touch the link to open it, the IMDB app launches and displays the correct thing, BUT the IMDB doesn't launch as a separate app! When I display all running apps, this is what I see:

Screenshot (click for larger image)
IMDB "overtakes" the Gmail "window", and now I can't use both apps at the same time. I want the IMDB app to be in a separate "window". How to do this? Same thing with opening a Youtube link from Chrome, or any other app combination...
The device is Nexus 7 (2013), with Android 4.4.2.

Welcome to the site! That's a feature that I'd love as well - but I don't know of any way to get it on a Nexus 7. If there is a way, it'll most likely require root, and probably involve installing a custom ROM or using XPosed Framework. I guess I should ask: Are you willing to void your warranty to get the feature?

The thing you're looking for a name for that you call a "window" is what Android calls a task.

That's not a bug, it's a feature. It's called the "Back Stack".
The idea is that you perform a single task, like reading e-mail, and all Activities, that it's what "windows" are called on Android, are grouped together on the task's back stack.
If you want IMDB "in a separate window", that is as activity of a new task with its own back stack, you can simply open it from the launcher by selecting the IMDB icon.

I sat staring at this question blankly trying to remember 'Back Stack'. Thanks Flow!


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Any way to change my caller id?
Is there any way to change my own caller ID so the person I'm calling sees my Google Voice number instead of the number associated with my SIM card?
My Google Voice number is my primary number and I prefer everyone to use it, so I can receive calls on my PC, while travelling internationally etc.

I think you need to have Google Voice initiate your calls rather than the dialer app.
Generally speaking you'd change the setting in the Voice app for "Making calls" to "Use Google Voice to make all calls". If you'd like to be prompted before the call, then you can use "Ask every time I make a call". (There's also an option to use it just for international calls.)

@Max: Well, frankly, I set up my GV so long ago I had to go searching for it.

See also: https://support.google.com/voice/answer/168520


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How to open read notifications?
I got a notification which was shown in my notification bar on my Google Nexus 5. As soon as I clicked on the notification an app opened and the notification has been removed from my toolbar. With the trick described here I am able to see that passed notification but I cannot open it (see screenshot).
Is there a way to open that notification again so that the app leads me again to the content belonging to it?

Screenshot (click for larger image)

Assuming I'm understanding your question correctly, you want a "pinned" notification, meaning a notification that stays in the notification bar after you tap it and open the app in question.
If I am correct, you might want to look into apps that let you create your own notifications, like the app Custom Notification.
This could clutter your app drawer a little bit though; I know referencing Tasker without a specific task is poor form, but you might check into the Tasker subreddit, and tell them exactly what you are looking for. Someone might be able to recommend a profile that pins a notification to the status bar until you are done with it.

Building on Redjax's answer: In Tasker, you can create a Task -> Action -> Alert -> Notify that is triggered by the notification. Just check the permanent box, and add an action that opens up the application in question.


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NFC for PC using libnfc
Is it possible to use the phone's nfc hardware as a NFC reader for PC (installing some app or using netcat with some /dev/ file)?
My phone has pn544 chip, it seems it is available as /dev/pn544


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Sony Xperia ZR fastboot driver
I am trying to get the fastboot driver for Sony Xperia ZR (dogo) for Windows 7 x64.
I found a page with instructions which pointed me to a Sony site where you can download a android_winusb.inf file which one is supposed to copy over the one in the Android SDK folder under extras\google\usb_driver\.
Then, I put the phone into fastboot mode by

Powering it off
Pushing the Volume Up button while connecting the phone via USB to the PC.
The light turns blue and in the Windows Device Manager, I can see a new S1Boot Fastboot entry under Other devices.

After right-clicking on that entry and selecting Update Driver Software..., then Browse my computer for driver software, I pointed to the Android SDK folder where I previously put the android_winusb.inf file (see above).
Unfortunately after clicking Next, there is a message Windows was unable to install your S1Boot Fastboot and Windows could not find driver software for your device.
On this thread, I found a link to a thread on XDA Developers where one can download a "fastboot package" and "32/64bit drivers", but I am hesitant because these are EXE files from an unknown source and the thread's title suggests this is for Xperia Arc, not ZR.
Are there any "official" drivers for my phone?
UPDATE:
I also found a great Sony webpage listing "All Android downloads" which has white papers, source code and drivers for all(?) devices, except the drivers for the ZR are missing.
UPDATE 2:
I have seen this comment to a question concerning fastboot drivers and USB device IDs, so I tried to replace device IDs for SingleAdbInterface, CompositeAdbInterface and SingleBootLoaderInterface (sequentially, not all at once) with the one which I got from the Device Manager, which is USB\VID_0FCE&PID_0DDE&REV_0100. Unfortunately this didn't make any difference, the drivers are still not recognised.

While playing around with the INF files, I found that the one supplied by Sony actually does work, you only need to "force" Windows to use it for your device. I am not sure if that has anything to do with the unsigned nature of the driver or that Windows cannot verify that the driver is compatible (see below), but it simply doesn't seem to accept the driver with Sony's INF automatically.
I order to install the driver, I did the following:

In the Device Manager, right-click on the S1Boot Fastboot entry and select Update Driver Software, then Browse my computer for driver software and Let me pick from a list of device drivers on my computer.
Select Show All Devices, then Next.
Click Have Disk... and then Browse... to the android-sdk\extras\google\usb_driver directory.
Then the Model list is populated with three entries, select the one called Android Bootloader Interface and click Next.
Click Yes on the Update Driver Warning message mentioning that Windows cannot verify compatibility of the driver with the device.
Click Install this driver software anyway on the Windows Security message saying that Windows can't verify the publisher of this driver software.

After that, I was able to run fastboot commands on my device (I only tried devices and reboot so far).
On a side note, I found it interesting that you actually don't need any specific driver binaries such as DLLs from Sony and that the drivers supplied with the Android SDK seem to be sufficient, except for the INF entries with the correct device IDs.

Unfortunately this didn't work for me. After browsing to the right spot and clicking Next I am not prompted anything. Windows just says that it cannot find any driver there. Any help?

@Dakatine: Have you copied the INF file from Sony into that directory?

Yes, indeed I have. The other solution worked for me (that is, installing the drivers by using a third party "homebrew" software). This sounds quite odd and irrational, but here it is. :)

@Dakatine: Glad you found a solution. The next thing I would have suggested is comparing the device IDs in the INF file with the one you see in the device manager... anyway, do you have a link to this "homebrew" software for others?

Yes, I just used the link I found in the "other solution" down here. Sorry if that was unclear in the comment above and thanks for your feedback.

I had the same trouble with my Xperia Z just 2 days ago, but the I found the Flashtool-drivers package. This included drivers for several Xperia devices, and I think for ZR too.
The download can be found here, and the post that lead me there is this one.
I trusted this package since it's by a recognized member of XDA, DooMLoRD.

I created a adb and fastboot drivers installer tool, so people don't have to face issues like this
Here is the link to that tool: https://github.com/fawazahmed0/Latest-adb-fastboot-installer-for-windows
You will just have to connect the phone with usb debugging mode enabled and then run the tool Hopefully that should fix the problem for you


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Why has the delete function disappeared from my Gmail app?
I cannot see a delete function on my Gmail account for my inbox.
I have a Galaxy smartphone.

This post should (or might) help: GMail's delete button is not gone, it's just hiding.
Edit:
As per the URL, follow the steps below:

Hit the menu button, and go to settings. Then, go to general settings. You should see the option below at the top of the list - Archive & delete actions. Right now, it should be set to "Show archive only"
Tap it, and you get three options - Archive only, Delete only, and Archive & Delete. The third option gets rid of the 'Move to Folder' action. Choose the one you want (probably the second or third), and you're set to go - your little trash icon will return.

Note: If you still want to swipe to delete, you must select 'delete only' from the actions menu above.


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How to take backup of all the data of all the apps from canvas 4 mobile
I have some apps that contains information like Account summery, TODO list, Notes, Password saver etc. Recently I have lost my cellphone so I lost all my app data as well. I don't want to loose my app data. So is there any way what I can take all my app data backup into my PC or SD card and restore back when required. TIA
FYI
PC-OS : windows 7
Mobile OS : Android 4.2.2
Mobile model : CANVAS 4 (a210)
Hardware manufacturer : MICROMAX

Have you checked out our backup tag-wiki? The answer is already there. As your device runs Android 4.x, take a closer look at adb backup and Helium Backup, both solutions are mentioned there.

Root your phone and use Titanum Backup app.


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Need to force close the "Phone" (Dialer) app manually
I have LG E612 (Jelly bean 4.1.2).
My problem is, my phone (dialer) app will not close automatically when I press "Back" from dialer to Home screen.
Phone app is still running in background, and I need to close it through a task killer.
Is this a normal behavior with all android phones? If not, is there any settings for this?

Leave the memory management to the OS. It depends on the version (4.1.2 in your case) the OEM (LG) and the particular dialer app (not sure what one you have). As a rule task killers degrade performance, and the app being in memory has no impact on your battery or performance. I'd say leave it be. It's running on 4.4.2 for me on a custom ROM and on Stock on the Neuxus.

Thanks @RossC , But in my case, (using pre-installed dialer app), i think it eats more battery... If i force close it (using pre-installed app manager), I can clearly see increase in battery life and performance! Also, I can receive calls without any problem even if i force close it!

Yeah the dialer app doesn't dictate whether you can receive calls, there's a mechanism for that elsewhere that then calls the Dialer. But you'd need to check the battery stats to see if it actually is eating battery, and if it is then it is misbehaving somehow. Mine does show as 'running' but like any other app in the background the battery use is negligible / zero. Has you dialer a huge amount of cache or data it is trying to sort or something maybe? I'm at a bit of a loss here.

Thanks @RossC, for your comments.
Adding this as answer:

Leave the memory management to the OS. It depends on the version
  (4.1.2 in your case), the OEM (LG) and the particular dialer app. As a
  rule, task killers degrade performance, and the app being in memory
  has no impact on your battery or performance. I'd say leave it be.