text:
How to make background apps/ automatic apps use only wifi for data?
Ok so i have very little data, 100mb. And i want to use it when i need it. Like for maps etc.
But some apps keep downloading stuff such as new articles and all data gets eaten quickly without me using it. I'm about uninstall every app that does this if i don't find a solution.
This is what i want.
for auto/background apps Use internett only through wifi.
and if i use internet first use wifi if available and then go to mobile data.
im glad there're no overhead charges, data just becomes unavailable after limit.

/system/bin/iptables (usually built in) is the tool, but I prefer a graphical frontend for it such as AFWall+ which is available from the Play store or F-Droid.
If you are going to be using TOR then OrWall should also work, but I haven't tried it.
These tools show one app per row & columns for the interfaces you wish to allow them to use & you just tick the boxes.

what.. im lost.. should i download afwall?

yes, and use it to set up which apps get full access & which are restricted

Use Background Data Restriction (settings>data usage>menu>[check] Background Restriction) while using data from SIM.
While using WiFi Disable it.

There is a setting for that, at least in CyanogenMod:

consider the remote chance that he's not using the same rom. Probably he's not using any rom at all

I think that this option is available on all ROMs, even stock ones.

i flashed my android phone to use remix mod or something. It's awesome. It has option to set data limits, However, despite me setting limit to 80mb it still surpassed 100mb somehow. So this is why i want to completely disable auto use of data over mobile network.

There is an option for that! Check the overflow menu for such setting!

i dont have overflow menu...also this is all in russian i think, so i dont have much clue beside that diagram with line it. That looked similar to mine. except is in dark theme.

The highlighted option is "restrict background data", is there an option like that?


text:
Why is my WIFI always on?
I have turned off WIFI in the settings, but it's still always running. Doesn't this graph indicate that WIFI is really on all the time? How can this be when it's definitely "off" in Settings?
I'm worried that this constant WIFI use drains my battery and I want to avoid this.
This is a Nexus 4 running Kitkat 4.4.4.
I have also installed the Llama automation app which can optionally turn on WIFI every x minutes, but I have made sure that option is definitely turned off. This behavior continues even when Llama is not running.
I don't think there's any other app on my phone that would have the capability to turn on WIFI on its own.
Is there some way I could find out whether one of the installed apps is responsible for this?

Android is automatically keeping Wi-Fi on while the phone is sleeping (Keep Wi-Fi on during sleep) and always scans for available networks (Scanning always available). They must be keeping it on. Try disabling them from Settings > Wi-Fi > Advanced.

Yes, this setting was on "Always". I've switched it to "Only when plugged in" now. (If "Always" is the default value, then the chart doesn't really make any sense, does it?)

On the chart, the Wi-Fi should be always displayed as working when set as default, I don't know why "Always" is made the default value.

This setting should only matter if Wi-Fi is enabled, whereas OP seems to indicate that they've disabled it.

"Scanning always available" seems to be more of an issue, "Keep Wi-Fi on during sleep" should only matter if you have manually enabled the wifi, so it's ok imho

WiFi always on is caused by you granting access googleto always being able to check for WiFi at any given time in googles point of view that means ALWAYS
You can disable it by going to your GPS settings and clicking the 3 dot menu > advanced unchecking the WiFi scanning hope this helps

Found the solution. Go to location. Select scanning options. Disable Wi-Fi and Bluetooth scanning. Problem solved.

I found that Spotify or any media related control app seems to always be chatting over the network keeping it awake and active.
A Google Home assistant type device like Home Mini can cause the same issue, especially with the 'Let others control your cast media' option.

source: Stack Exchange

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

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text:
How to make stock Camera app silent when shot is taken without preventing phone call ringtone sounds?
This question is basically the same as this one but the canonical answer for that post is not compatible with my particular device for which a discussion and a solution can be found below.
I would often like to use the Samsung Galaxy SIII Neo stock Camera app but would like to keep the sound it makes while pictures are shot on silent (so that when I take a shot people are not distracted by the sound so that the resulting pictures taken look more natural). However, I've figured out that to turn such sound off, out of the volume settings Ringtone, Notifications, Media, and System, it is the Ringtone volume setting which must be turned off for this to take place (click on any of the volume hardware buttons and then on the volume settings cogwheel to see these). Unfortunately, setting the Ringtone to silent means no sound will be made when a phone call is received.
So, I would like to know whether newer phones have a Camera setting menu list entry for enabling or disabling the sound specifically for the Camera application. And, if not, then I would like to know where to place a feature request width Samsung for this to be implemented in future releases of the stock Camera software.
Anyways, I think, as a hack, if one knew where the mp3 sound file for the camera app is stored, one could just deleted (or perhaps replaced it with an mp3 file producing no sound to resolve the problem). Anyone know where I could find such a file?

UPDATE: I've tried rooting my device and then following this solution but I still get an error message saying the filesystem is read-only. Not sure if Samsung KNOX is causing this. Thank you for your replies.

UPDATE: Remounting the system with the following command as root:
mount -o remount,rw /system

Allowed me to rename the file, but it seems it's the wrong file as the stock Camera app still produces a snap sound when taking a picture after the rename. Candidate files related to the stock Camera app under /system/media/audio/ui could be the following:

Cam_Start.ogg
Cam_Stop.ogg
Camera_click_short.ogg
Camera_click.ogg
Camera_empty.ogg
camera_focus.ogg
Camera_Timer_2sec.ogg
Camera_Timer.ogg

I've tried renaming both Camera_click.ogg and Camera_click_short.ogg to Camera_click.ogg.bak and Camera_click_short.ogg.bak but no luck! Even after rebooting the phone, the stock Camera application still produces a sound when a picture is taken with the Ringtone Volume enabled. The Camera_empty.ogg sound file produces no sound; ideally I would like this one to play when the camera takes a picture.
Anyone know where the problem may be and how to fix it?

UPDATE: After installing the BusyBox app in order to have the Unix find tool and then running:
find / -name '*.ogg' > out.txt

the contents of out.txt were the following:
/storage/emulated/legacy/Ringtones/hangouts_message.ogg
/storage/emulated/legacy/Ringtones/hangouts_incoming_call.ogg
/storage/emulated/legacy/Notifications/Calendar Notification.ogg
/storage/emulated/0/Ringtones/hangouts_message.ogg
/storage/emulated/0/Ringtones/hangouts_incoming_call.ogg
/storage/emulated/0/Notifications/Calendar Notification.ogg
/mnt/shell/emulated/0/Ringtones/hangouts_message.ogg
/mnt/shell/emulated/0/Ringtones/hangouts_incoming_call.ogg
/mnt/shell/emulated/0/Notifications/Calendar Notification.ogg
/system/media/audio/alarms/Alarm_Day_by_day.ogg
/system/media/audio/alarms/Alarm_Morning_flower.ogg
/system/media/audio/alarms/Dawn_chorus.ogg
/system/media/audio/alarms/Daybreak.ogg
/system/media/audio/alarms/Sea_breeze.ogg
/system/media/audio/alarms/Serene_morning.ogg
/system/media/audio/alarms/Springtime_memories.ogg
/system/media/audio/alarms/Ticktac.ogg
/system/media/audio/alarms/Walk_in_the_forest.ogg
/system/media/audio/notifications/Beep_once.ogg
/system/media/audio/notifications/Hang_drum.ogg
/system/media/audio/notifications/Harp_glissando.ogg
/system/media/audio/notifications/S_Bubbles.ogg
/system/media/audio/notifications/S_Charming_bell.ogg
/system/media/audio/notifications/S_Chirps.ogg
/system/media/audio/notifications/S_Dew_drops.ogg
/system/media/audio/notifications/S_Flowers.ogg
/system/media/audio/notifications/S_Good_News.ogg
/system/media/audio/notifications/S_Harmonics.ogg
/system/media/audio/notifications/S_Knock.ogg
/system/media/audio/notifications/S_On_time.ogg
/system/media/audio/notifications/S_Opener.ogg
/system/media/audio/notifications/S_Postman.ogg
/system/media/audio/notifications/S_Pure_Bell.ogg
/system/media/audio/notifications/S_Temple_bell.ogg
/system/media/audio/notifications/S_Tickety_tock.ogg
/system/media/audio/notifications/S_Whistle.ogg
/system/media/audio/notifications/Sweet_favour.ogg
/system/media/audio/notifications/Whisper.ogg
/system/media/audio/ringtones/A_rustling_in_the_trees.ogg
/system/media/audio/ringtones/Basic_bell.ogg
/system/media/audio/ringtones/Basic_tone.ogg
/system/media/audio/ringtones/Beep-beep.ogg
/system/media/audio/ringtones/Beep_once.ogg
/system/media/audio/ringtones/Blowing_dandelion_seeds.ogg
/system/media/audio/ringtones/Break_of_day.ogg
/system/media/audio/ringtones/Breeze.ogg
/system/media/audio/ringtones/Bugs_story.ogg
/system/media/audio/ringtones/Chime.ogg
/system/media/audio/ringtones/Drifting_downstream.ogg
/system/media/audio/ringtones/Ecliptic.ogg
/system/media/audio/ringtones/Flying_in_the_sky.ogg
/system/media/audio/ringtones/Fog_on_the_water.ogg
/system/media/audio/ringtones/Glissando_tone.ogg
/system/media/audio/ringtones/Ice_blue_tone.ogg
/system/media/audio/ringtones/In_your_mind.ogg
/system/media/audio/ringtones/Journey.ogg
/system/media/audio/ringtones/Leisure_time.ogg
/system/media/audio/ringtones/Over_the_horizon.ogg
/system/media/audio/ringtones/Popcorn_tone.ogg
/system/media/audio/ringtones/Quantum_bell.ogg
/system/media/audio/ringtones/Rainbow.ogg
/system/media/audio/ringtones/Rainy_day.ogg
/system/media/audio/ringtones/Rays_of_the_sun.ogg
/system/media/audio/ringtones/Rolling_tone.ogg
/system/media/audio/ringtones/Scampering_tone.ogg
/system/media/audio/ringtones/Writing_adventure.ogg
/system/media/audio/ui/Alert_on_call.ogg
/system/media/audio/ui/Auto_focus.ogg
/system/media/audio/ui/Auto_focus_error.ogg
/system/media/audio/ui/Birdsong_by_the_lake.ogg
/system/media/audio/ui/Call_Connect.ogg
/system/media/audio/ui/Cam_Start.ogg
/system/media/audio/ui/Cam_Stop.ogg
/system/media/audio/ui/Camera_Timer.ogg
/system/media/audio/ui/Camera_Timer_2sec.ogg
/system/media/audio/ui/Camera_empty.ogg
/system/media/audio/ui/Charger_Connection.ogg
/system/media/audio/ui/Dialer_new.ogg
/system/media/audio/ui/Dock.ogg
/system/media/audio/ui/Effect_Tick.ogg
/system/media/audio/ui/Fairy_fountain.ogg
/system/media/audio/ui/Highlight.ogg
/system/media/audio/ui/HoverPointer.ogg
/system/media/audio/ui/KeypressDelete.ogg
/system/media/audio/ui/KeypressInvalid.ogg
/system/media/audio/ui/KeypressReturn.ogg
/system/media/audio/ui/KeypressSpacebar.ogg
/system/media/audio/ui/KeypressStandard.ogg
/system/media/audio/ui/Lock.ogg
/system/media/audio/ui/Lock_none_effect.ogg
/system/media/audio/ui/LowBattery.ogg
/system/media/audio/ui/New_chat.ogg
/system/media/audio/ui/Pen_att_noti.ogg
/system/media/audio/ui/Pen_att_noti1.ogg
/system/media/audio/ui/Pen_att_noti2.ogg
/system/media/audio/ui/Pen_att_noti3.ogg
/system/media/audio/ui/Pen_det_alert.ogg
/system/media/audio/ui/Pen_det_beep1.ogg
/system/media/audio/ui/Pen_det_beep2.ogg
/system/media/audio/ui/Pen_det_beep3.ogg
/system/media/audio/ui/Pen_det_beep4.ogg
/system/media/audio/ui/Pen_det_beep5.ogg
/system/media/audio/ui/Pen_det_noti.ogg
/system/media/audio/ui/Pen_det_noti1.ogg
/system/media/audio/ui/Pen_det_noti2.ogg
/system/media/audio/ui/Pen_det_noti3.ogg
/system/media/audio/ui/PowerOn.ogg
/system/media/audio/ui/S_Beam_end.ogg
/system/media/audio/ui/S_Beam_error.ogg
/system/media/audio/ui/S_Beam_start.ogg
/system/media/audio/ui/S_HW_Touch.ogg
/system/media/audio/ui/S_SIP_Backspace.ogg
/system/media/audio/ui/Sent_chat.ogg
/system/media/audio/ui/Serenity.ogg
/system/media/audio/ui/Shutter.ogg
/system/media/audio/ui/Shutter_multiple.ogg
/system/media/audio/ui/Sparkling_mist.ogg
/system/media/audio/ui/TW_Battery_caution.ogg
/system/media/audio/ui/TW_Battery_swelling_warning.ogg
/system/media/audio/ui/TW_Call_Disconnect.ogg
/system/media/audio/ui/TW_SIP.ogg
/system/media/audio/ui/TW_Silent_mode_off.ogg
/system/media/audio/ui/TW_Touch.ogg
/system/media/audio/ui/TW_Volume_control.ogg
/system/media/audio/ui/The_secret_forest.ogg
/system/media/audio/ui/Undock.ogg
/system/media/audio/ui/Unlock.ogg
/system/media/audio/ui/Unlock_none_effect.ogg
/system/media/audio/ui/VideoRecord.ogg
/system/media/audio/ui/Voice_processing.ogg
/system/media/audio/ui/Voice_start.ogg
/system/media/audio/ui/Voice_stop.ogg
/system/media/audio/ui/WirelessChargingStarted.ogg
/system/media/audio/ui/Zero_Clickr_Ready.ogg
/system/media/audio/ui/airbutton_close.ogg
/system/media/audio/ui/airbutton_open.ogg
/system/media/audio/ui/camera_focus.ogg
/system/media/audio/ui/lens_flare_lock.ogg
/system/media/audio/ui/lens_flare_unlock_silence.ogg
/data/media/0/Ringtones/hangouts_message.ogg
/data/media/0/Ringtones/hangouts_incoming_call.ogg
/data/media/0/Notifications/Calendar Notification.ogg

At this stage I'm not sure whether the stock Camera app is really taking the shutter sound from one of these .ogg files or whether the actual .ogg file is hardcoded into the stock Camera app's binary file.

How do I disable the 'click' sound on the camera app? | how to turn off camera sound besides lowering the volume on i9220? | Can I disable the camera sound in the new ICS camera app (in silent mode)? | How to turn off camera click sound on Samsung Galaxy S2? | How do I turn off the shutter sound for the Android camera?

I don't want to use a different camera app, I want to use the stock Camera app. I've tried the solution of renaming the .ogg file but no luck (see screenshot above).

Have you tried using Xposed modules, I think there's at least 3. You could even do that through tasker too. Wouldn't a logcat/full bug report state sound location?**** just comment to other answer, cool you found it!

On my Samsung Galaxy SIII Neo (Android 4.4.2) I was able to solve my problem as follows:
C:\> adb shell

and then
# su
# mount -o remount,rw /
# cd /system/media/audio/ui/
# mv Shutter.ogg Shutter.ogg.bak

This solved the problem.

Not sure, but I think the camera shutter sound is hard coded and have a feature to disable it based on your location for legal issues (in some countries, taking a picture without making a sound is considered a crime and can lead to 6 months of jail).
But there is a simple way to disable this:

install Xposed installer on your phone. Grab the apk file from here.
download and install this module.
after enabling this module, you're asked to reboot your phone, do so.
after the reboot, enter to the module's app and navigate in the app to find the right option to disable the camera shutter sound.

Thank you for your reply. My Android version is 4.4.2 but I'm not sure if this help given that the Samsung Camera app is specific to Samsung and not part of the Android OS proper, AFAIK. Anyways, what are the names of the countries where this is illegal (would like to know just in case I ever visited one of these, thanks; after all, it would be enough to just turn the sound off and take a picture; if your reasoning is correct, the camera should be disabled when the volume is on silent for such countries (?)). Thanks.

I don't know for other countries but here in algeria I know it's a crime taking pictures without making a sound that notify people around you that you took a picture (peoples privacy ) I think it's dumb samsung left this hole or samsung did it on purpose ? not sure ,yes I see your point that the camera sound in disabled when in silent mod ,about the methode I wrote up here it work on stock apps ,it just tell the camera app that you are in a different region that allows silent photo shutter ,and the geo tags will not be affected by this work around

Thank you for your answer. I was able to disable the camera shutter sound by renaming a different sound file. Anyways, as long as one knows the law they should be OK. Thanks.

YOU'RE WELCOME MY DEAR FRIEND ,can you tell me the name of the file you've renamed for future reference ?

After typing su, remount system as read-write with

mount -o remount,rw /system

Then make the steps in the solution. This should work.

I've tried your solution but after the renames, the problem persists.

Have you renamed Camera_click_short.ogg?

Yes, I've renamed both Camera_click.ogg to Camera_click.ogg.bak and Camera_click_short.ogg to Camera_click_short.ogg.bak. Any other ideas as to what may have gone wrong, or what else can be done? Could the .ogg file used by the stock Camera app be found somewhere else?

It's possible Samsung uses a different file.  While in su, try to do a search for all .OGG files like so: find / -name *.ogg and see if any of the file names look like they could belong to the Camera app.

Done this. Please see the output in my post.

Also, the *.ogg should be in single quotes ('*.ogg') or the shell will expand the * on the command line, so the regexp will not be passed to the find command.

Since Android P renaming the files in the UI folder does not work anymore. With Samsung devices for example, the sounds are hardcoded into the Camera App, for countries where taking silent photos is forbidden (EU countries regarding privacy laws), the switch in the settings to disable the shutter sound is also not available.
Unless we do a little magic (no xposed needed, only root access to the filesystem):
add Call Recording en Shutter Sound options to your Exynos phone by adding 2 CSC options to cscfeature.xml

check your csc code (about phone > software information > service provider sw > last 3 letters: [CSC])
in root explorer goto: /system/product/omc/[CSC]/conf/cscfeature.xml
download OmcTextDecoder (https://github.com/fei-ke/OmcTextDecoder)
put the downloaded "omc-decoder.jar" in a folder together with the encrypted "cscfeature.xml" file on a linux pc
open terminal and cd to the folder where you have put the files
run: java -jar omc-decoder.jar -i cscfeature.xml -o cscfeature_decoded.xml
open the "cscfeature_decoded.xml" file in a text editor
add the following lines to the file:

<CscFeature_VoiceCall_ConfigRecording>RecordingAllowed</CscFeature_VoiceCall_ConfigRecord>

<CscFeature_Camera_ShutterSoundMenu>TRUE</CscFeature_Camera_ShutterSoundMenu>

save the file and rename your old "cscfeature.xml" to "cscfeature_encoded.xml"
encode the edited file by running the following command in terminal:
java -jar omc-decoder.jar -e -i cscfeature_decoded.xml -o cscfeature.xml
copy the changed and ecoded file back to your phone: "cscfeature.xml" and backup the old one to "cscfeature.bak"
reboot and you will find the shutter switch in the camera settings!

extra options:
https://www.askvg.com/tip-enable-hidden-secret-features-in-samsung-galaxy-smartphones/

authors: جمعان الزاهرني

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


text:
What are the advantages of enabling or disabling Samsung KNOX
I've rooted my Samsung Galaxy SIII Neo Android device by following this XDA Developers link. I would like to know what Samsung KNOX is, and what the advantages of enabling it / disabling it are (as this is not discussed on the XDA page I just mentioned).
Also, if I disable Samsung Knox, then how can I reenable it at a later time?
The screenshots below show how I've used Odin on my PC to root my phone and what the Root Checker and SuperSU applications in use look like.

Directly from Wikipedia :

Samsung Knox provides security features that enable business and
  personal content to coexist on the same handset. The user presses an
  icon that switches from Personal to Work use with no delay or reboot
  wait time.1 The manufacturer has claimed this feature will be fully
  compatible with Android and Google and will provide full separation of
  work and personal data on mobile devices and "addresses all major
  security gaps in Android.

(Download Android Terminal Emulator) then
for Disable :
pm disable com.sec.knox.seandroid

and after disable,  maybe you need this again ;
Enable :
pm enable com.sec.knox.seandroid

And i suggest you, in the SuperSu never touch For Disabling the Knox.
it maybe harassment you and need for the second root process.(this is happend for me, but maybe you need to try it).
Also , read these articles :
How to Disable KNOX Security
HOW TO REMOVE KNOX AND PREVENT POSSIBLE ROOT ISSUES CAUSED BY KNOX
How do I Remove or Uninstall KNOX


text:
How to use android phone as SD card reader?
I want to format my external SD card (For installing Raspbian) and I don't have a SD card reader on my PC or an external one. Is there a way to use my Android phone as a SD card reader?
PC OS: Windows 7
Phone: Rooted Note 3 (N9005)

What's your PC OS?

Windows 7, I just want to install Raspbian on my Pi with something like Win Disk Imager

Possible duplicate of Mounting SD card as USB drive on Windows PC (Marshmallow)

I believe there is. I use Nexus Media Importer (though I think it works on most phones with OTG) and it works as a basic file explorer.
https://play.google.com/store/apps/details?id=com.homeysoft.nexususb.importer
There is a free version, but I can't remember what the limitations are. (I have a feeling it might just be pictures.)

I think the OP wanted to use their device to allow their PC to access the SD card, not to read the SD card on the device itself.

@bmdixon Oh, OK. I interpreted it as being stand-alone.

DriveDroid is a powerful utility than enables you to create a virtual USB image on your phone, and when you connect it to the PC, it recognizes the USB image, as if it's a real USB plugged. I used this utility to install both Windows and Linux to my systems, and I think it should work as live USB, too.

Thanks for the answer. The app does work for booting an image, but my intention is to use the ENTIRE SD card as a usb drive, the option for which is not available.

Sorry I never use any note 3 myself and not sure if this device has external SD card attaching option.
But for almost all android I did have or may operate somehow has standard USB storage device built-in. Anyone connect any Android operated phone with Windows 7 PC over USB windows automatically detects as standard storage of USB type device. Some of phone might ask use about which mode they want to present their device to windows 7 PC as soon USB cable plug-in followed by list of available options. Comin options are MTP , USB storage device, charging only, CD Rom external. In case of CD rom mode choice was maid luckily CD rom having drivers file might appear on Windows.
Such way connecting USB cable flowed by choosing USB storage will configures your Android phone as USB devices  mean your required USB card reader will ready for you.
Removing any existing drivers of Android including all MTP devices will allow Windows 7 to reinstall required drivers if you have problem detecting phone while plug-in with USB.


text:
Autoreject calls via predefined SMS message while away from phone
On my Samsung Galaxy SIII Neo there is a neat feature where when you receive a call you can type on a predefined text message to send. I wonder whether the following scenario can be achieved on Android phones:

The user is away from the phone, perhaps having a shower or working out at the gym.
The user (sets up and then) selects a predefined text message (saved in a list of predefined text messages).
The user specifies that whenever a phone call is received, the corresponding text message will be sent to the caller's phone number automatically (and this could be set up either for everyone or just for a few phone numbers the user wants to share this info with).

If a caller rings twice from the same number, there would also be an option to send the SMS only the first time (so as to not have some malicious user deplete all your SMS credit).

With SL4A or Qpython (Python Script Engine) you can use android apps permission .(E.g With it you can send mesaages, take picture etc.)
If you have basic knowlege of python you can make a script that will help you to do that.
You will also need tasker etc. To launch script
[I think it will be hard task to do it.I just gave you the Base Idea.Hope you will make it]

Thank you for your response. +I know python, tcl, and shell scripting, but I'm not sure about how to proceed.

You can first install the Qpython3 then after importing SL4A module you can go through its documentation. and see how can you use messageing feature in creative way to solve your problem.


text:
Can't install apps Waze/Walmart but can install other apps
I'm struggling to figure this out.  I've got an HTC Evo V running KK using link2d.  Link2sd shows internal (/data) as having 43% Free (517MB of 1.15GB).  I can install some apps, but I am not able to install Waze or Walmart apps.  I get an 'Insufficient storage' error.  I've even tried using adb to upload the Waze apk and get the same error.  I've also tried setting my install location to external (abd shell pm set-install-location 2) but this has no effect.
Can someone tell me what might be going wrong?

possible duplicate of Insufficient Storage on changing default install location


text:
Where can I find documentation for icons used in the notification bar?
My WiFi icon on the notification bar is displaying an exclamation point and triangles (up/down arrows?). When I try to use Google to find what they mean, there's no clear place documenting notification icons.
I eventually found the exclamation point - can't connect to Google services - but the triangles just aren't searchable.
Where can I find documentation regarding what those sometimes-cryptic notification icons mean?

Generally, notification icons can be modified by manufacturers and carriers.  Even though they try to follow some standards (e.g. Wi-Fi icon looks similar everywhere,) they aren't required to do so.  Bottom line - manufacturer's website is usually the best bet to find information on their particular notifications.

Related: Complete list of Lollipop system icons shown in notification bar?

You can find a list material icons linked in Android Developers which is as official it can be.
But note that OEMs and carriers are free to add / modify their own icons so it's not possible to have all the icons listed on one site officially.

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


text:
How to change Device ID without Root?
So, there is an app, 9chat. I was using it for a while, then out of nowhere, the app started to give me error: "Invalid user ID and Token!"
I have LG G3 D855.
I tried everything to log in to app again (restart, reinstal, changing account, etc) , yet nothing worked, then I used another Android device, and I had no problem. Even with same user and pass.
The problem is so rare, that there is no way to solve it from my side. But the developers don't help either, I saw people were not be able to log in more than a month.
And then I thought maybe factory reset, will help, so I get back up, then reseted. I did 4 factory reset, each time using different Google Account, yet each time, after installing 9 chat as the first thing, I got the error "Invalid User ID and token!"
The weirdest thing, is the app says "welcome back username blah blah blah" then says invalid token. And the other app of this company, 9GAG works fine, without any problem, using same accounts.
So, I need to change Device ID. I have latest stock Lollipop, so I can't root, and I don't like other roms. Is there any thing that can help me here? I don't need the app, I just want to win.

Wrong question. Samsung aren't making good stock ROMs... Are you sure that 9chat fails to connect to 9gag account?

I'm not Samsung either, I'm LG G3. LoL. Yeah, it fails because of my Device ID, that's why I have to change Device ID.

I know. Oh, just my phone lagged. That must be impossible without root on any phone, so I think there is no answer

Consider to update the problem from your post on XDA.

Have you tried wiping the davlic cache when resetting? Go here for more info on that http://androidforums.com/threads/should-i-wipe-dalvik-cache-on-lollipop.916170/. If that does not work try encrypting the phone THEN doing a factory reset/wipe.


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Determining file type from android terminal emulator
I have a file of unknown type that does not display properly in es file explorer and I have no other app installed that can open it. Can I use the terminal emulator (or some other method?) To determine it's file type so as to google the extension and find an appropriate app?

for find File Format, copy this file in Linux, then use this command:

file input

i tried many commands for this in terminal(Android), and does not work.


text:
How do I get the standard default.prop file back on the root file system?
At the root file system on my Android phone, there's a file called default.prop.  Right now that's a non-standard file because of CF Auto Root, but I want that file to be the stock version (1).
After what I have understood, /default.prop file is overwritten on every boot from a default.prop file within the boot partition.
My phone is rooted with CF-Auto-Root, but I've replaced the boot and bootloader partitions with factory image versions:
$ fastboot flash bootloader bootloader.img
$ fastboot flash boot boot.img

But still I get the non-stock default.prop file.  What am I doing wrong?

(1) This is because I'm trying to upgrade to Android 5.1, and right now I'm getting an error because "this device has google/omni_hammerhead/hammerhead:4.4.4/KTU84P/eng.dees_troy.20150214.172938:eng/test-keys".

I'll just quote Elluel on XDA:

Don't bother messing with reverting everything just to update, it is
  extremely unlikely to work since as of Lollipop Google has changed the
  OTA method to check the sum of the entire partition rather than only
  what it cares about.
Download the 5.1 factory images, and flash system.img, boot.img,
  cache.img, radio.img and bootloader.img (don't flash userdata.img
  unless you want to wipe all your data), then boot into a custom
  recovery and flash the latest SuperSU
  (http://download.chainfire.eu/supersu).

It doesn't answer the question here directly, but it ultimately solved what I was trying to achieve.


text:
Hidden (dot-files — ".*") files not presented by MTP
Files starting with the . character (hidden files under linux/unix/OSX conventions) are not being displayed when connected to a Galaxy Stratosphere II via either Android File Transfer or simple-mtpfs.  I've got more than ten such files in the root directory of my SD Card and none of them are being displayed.
This may be a related question: Not all files are visible over MTP
However, that question doesn't mention anything about dot-files, which seem to be my issue here.  Is this a known issue or a "feature" of the MTP protocol?

I suppose it's just how Android handles files and folders. If it is invisible then it won't give you any data about it via MTP. Mass storage may show the file/folder but MTP is managed by Android so it does not have to.

The files are visible using ls -a from the command line in the phone's Terminal Emulator app.

Then it's just Android no showing you hidden files/folders via MTP. Nothing you can do about that.


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Lost-phone apps do not work for my S5
I am struggling to understand what's going on here! When I first got my phone, I signed up for Samsung's service for finding a lost phone. But, not too long after it simply stopped working. I finally decided it's time to try something else. So, I tried Lookout as well as the Android Device Manager. I offer this information only for history.
Now, I have pretty much given up on everything except Android Device Manager. It is currently set as an admin to my device. But, it only works if the screen is on! If my screen is off Google cannot find nor ring my device. If my screen is on (even locked) it has no trouble. What can I do?

Perhaps, you have set the parameter in the settings, that all network connections are disabled when the screen is off.
Or aybe you should try another anti theft guard, such as the avg antitheft app.


text:
Why aren't some launchers compatible with some devices?
I was reading the reviews of the Google Now Launcher where they have stated that after installing the launcher the device has audio issues.

I did not understand how can a launcher affect the hardware output of a device because as far as I understand the launcher only gives a pure vanilla experience.
Is there a possibility that a launcher like Google Now Launcher is not compatible with some devices? (Even thought it meets the requirements of the launcher)

It seems both apps mentioned in the review are related to audio input (Shazam can identify a music based from mic, and Skype is a VoIP app). I can only guess that it might be related to Google Now's "Always listening" feature. However, I didn't get that issue on Nexus 4/5, and without more info, it's kind of hard to know the real cause.

The launcher can't modify device audio input itself.
There always is a possibility for something to not work even when it's marked as compatible (like HTC Explorer with Snapchat). It should work but it doesn't.


text:
How can I batch rename all .jpg files in a directory to "folder.jpg"?
I'm trying to get my album art out of my gallery, and doing it as a batch operation would be very helpful. I don't see any apps with this capability.


text:
How to root Android Device installed in Oracle VirtualBox on Windows
I have Android Device installed in Oracle VM VirtualBox on Windows 7. I need to pair two devices without user confirmation. It's Android 4.3. I want to connect two devices with Bluetooth and for that I need to pair them programatically first and I want to achieve this without the user having to press the pair button. My research so far has revealed that unless I have the root permissions I cannot pair two devices without user confirmation. So to achieve my target I want to root the virtual device I have installed on Windows 7. I have come across this thread: xda-developers: How to root Android x86 4.3 that shows that it can be achieved on Ubuntu. Is there any way that I can achieve this on Windows 7 and make my virtual device rooted? Any suggestions will be really appreciated.

for root Android-X86 use this :
Download From XDA
Usage: ROOT SCRIPT FOR ANDROID x86 4.3
On android-x86:
Boot up
Press ALT+F1 //or if doesnt work,download Terminal Emulator then open it and follow ...
"cd" to the folder containing this file
Run "sh install.sh" and follow the instructions

On a linux OS boot:
Open your linux terminal
"cd" to the folder containing this file
Run "sh install.sh" and follow the instructions

other links For more details :
How to root device in Oracle VM Virtual Box
How to Root Android Device installed in Oracle VM Virtual Box
How to root Android x86 4.3
and ...

I have extracted the files and after pressing ALT+f1 in VM going to the terminal and typing the path(D:\Softwares\New folder) and then  when I type the command sh install.sh . I get a message "No such file or directory".. I am not able to figure it out why is it happening.. Any suggestions??

dude, you need extract this files in a directory on Android !,then, go to directory(With cd command) and run this install.sh.

@ Mohsen:I apologise for such a stupid question and how do I put this folder in Android VM and extract it there??

dont worry dude :) no problem, android x86 is a virtual and you can't share files on this but, you can find file link then download with browser and then with file manager or terminal find it.


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Locked by Android manager
I've used android manager to make my phone ring and Locked it by setting a password wish I never had. But unfortunately when I found the phone I was not able to deactivate the password because all option are dammed and the only one showing is password.
I need to change it again to none.
any ideas ?

if this phone is yours do the following :

login to you device manager on google website here
click on lock and set a new password this will over-write the old password
on your phone enter your new pass word

If this phone is not yours contact the phone owner and ask him to do the last steps


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Contacts not synced where WhatsApp Contact exists

I used tine20 via MS-Exchange to sync contacts to my android device
I added WhatsApp. Some contacts are from both (tine20 and WhatsApp). All is fine.
I removed (accidentally) tine20 account from android device
Added tine20 again
Contacts which don't have WhatsApp are synced perfectly
Contacts which have  WhatsApp are not synced. Information from tine20 is missing. Via tine20 web interface I can see that all contacts are in tine20

What can I do to get all contacts from tine20 on my device again?

Solved it myself this way: since I hardly use WhatsApp. I just removed it from the contact sync accounts.
After some minutes all contacts from tine20 where visible on the android device again. I am happy.
Better solutions are still welcome :-)


text:
Couldn't sign in to Google
I'm experiencing this issue from couple of days :

I have already :

Disabled 2 step verification from Google Account
Factory Reset
Clear cache from recovery
Reflash the ROM

Haven't you tried to call Customer Care?

go to  :

/etc/

//need root access.of course you know this.
then, 2 ways for fix this availabe :
1.Rename this file " Hosts " to " # ".
need change Mount R/W to Mount R/O for edit Permission.
2.Block or Delete Block Url/Ip's in the Hosts File
Other Links :
How to edit etc/hosts file
Cannot connect to gmail account/market
Can't add gmail, "Can't establish server connection." Please Help

Date and Time errors are most common cause which rejects the connections from Google Servers.
Go To:

Settings > Date and Time
Set the Automatic Date & Time (recommended).
Below, you can also set Date and Time manually.
Reboot the device for calibration of Date and Time.
Now, try to login to your Google account.

(Click image to enlarge)


text:
reduce size of videos
Videos made on my android device have a size of about 70 MByte per minute.
How  to reduce to size of the videos?
I guess (but don't know) that a clever CPU intensive transformation with a better output codec could make the file size much smaller.
The recoding can happen on the device itself or on a Ubuntu PC.

Have you tried different resolutions, or do you want to retain the resolution  yet reduce the size?

@Firelord I would like to keep the resolution.


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S Note is disabled on Samsung Galaxy Note 2
I have a Samsung Galaxy Note 2 (GT-N7100) with Android 4.4.2 (updated). S Note app is good for taking notes, but when I remove the S Pen, this app is not running.
Also, I can not find the app in the Menu. I go to the application manager but see that the program is disabled and can't run it again.

How can I re-enable it?

when I remove the S Pen, this app is not running.

Download the latest version of S-Pen And S-Note, then install. And check the results.
Or you can try a factory reset.


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Samsung Galaxy Tab 3 wont boot after rooting
I try to Root my Samsung Galaxy Tab 3 with KingoRoot using pc.
after that it restarted, but now it won't boot.
when i try the button combination, home+power+vol, tab goes into downloading, odin, mode.
where can i find the Samsung Galaxy Tab 3 (model: SM-T211) flash firmware?
so that i can download and flash with this downloaded firmware ?

You may find stock firmware for your model on SamMobile from this link.
This site is also a good source for firmware for most Samsung Mobiles. Just search for your model here. Do take note however that you have to register for a free account before you can start downloading. Optionally, upgrade to a premium account for faster download speed.


text:
Is it possible to change the button combination for recovery/download mode?
I had to press power + home + vol up/down, but my home button just stopped working.
Is there any way to change the key combination?
(I can go into recovery by using the reboot menu, but it would be better if it worked.)
Samsung Galaxy S (I-9000), Android 4.4 (CyanogenMod 11)

You would need to modify the bootloader in order to change those button combinations. I don't think that's easily possible.

Try holding down the volume up, then camera, then lock button. If this works then use the up/down volume keys to select what you want to do.


text:
How to transfer Whatsapp audio files to computer?
I know how to copy pictures received on Whatsapp to my computer, but I don't see audio files received on Whatsapp anywhere to be accessed and transfered to my computer. Any suggestion?

The path to access/view then in your device is as below:

WhatsApp/Media/WhatsApp Voice Notes/

This is inside your internal Storage.
Go inside this folder, choose a voice note that you want to send to your computer. These audio notes file names are starting with PTT. Select "Share" option and choose from available choices such as Email, Gmail, Bluetooth etc. Send it using any one of these and receive it on your computer.
If you connected via USB, then you may want to copy these files to External SD-card and then browse it using file explorer via PC. Those files be shown as ADTS Audio files which you then can copy into your computer/PC.

all of them(Picture-sound-video etc), will be saved to this Directory :

sdcard/WhatsApp/media/

and example for Audio File's :

Sdcard/Whatsapp/media/WhatsApp Audio

Thanks but I don't see this folder when visting my mi4 folder upon USBing it: http://i.imgur.com/u0eI7ji.png

connect the device with MTP (Media Device), not with PTP(Camera).with file manager like Xplore(on device) you can see this folder.and on this picture, i cant see another folders.your welcome.

I have similar problem several days ago. I try this trick and it works.

Open the folder on your mobile. It is WhatsApp/Media/WhatsApp Voice Notes/
Select all files all any files you wanna copy to your computer
Attach them on email and send email to yourself
Now open your email on computer and download the attachments.

Tadaaaaa~~~ Now you have the files on your computer ^_^
NB. The files extension is .optus, if your media cannot play it, I suggest you download a optus-mp3 converter.
Hope this helps. Good luck!

I'm saying this judging from the screenshot you just posted. It looks like the icon representing your phone is a camera icon n the only folders you can see are DCIM (photos) and Pictures. Basing on this, I'd like to assume your phone's USB computer connection is currently set to camera PTP instead of Media Device (MTP).
Here's the link to change the setting to MTP
after that you can then try the methods Mohsen and the other guys suggested.
:)

If you have Airdroid installed on your phone and computer, it's quite straight forward.

Run Airdroid and connect in the usual way.
In Airdroid on your computer, click on  Files→WhatsApp→Media→WhatsApp Voice Notes folder.
Open the most recent folder (they are date stamped).
The audio note files are all in there in the format PTT-[date] and end with a sequential number.
Right click and download to your computer's desktop.
They will play directly in Windows Media player (WMP) if you double click them.
You can drag them into WMP and set up a playlist with them. Reorder them by dragging them up or down the list, delete unnecessary ones, and more.
Save the playlist under a name of your choice, and there you have them!

It took me only a couple of minutes to work this out.

Open the file manager folder on your device. Then open file named WhatsApp/Media/WhatsApp Audio then select the audio you wanna transfer. Click on share button after the audio been selected. Choose any of sharing options e.g Bluetooth Email or WhatsApp if your PC has WhatsApp installed in. Or you can just transfer it through USB (Media Transfer) to connect your device and computer.


text:
Error when running android apps via bluestacks (Unsupported Device)
I run android apps using Bluestacks. I installed Clash of Clans android file and installed it and played it via Bluestacks. There is no problem playing the game. But when I want to sign in to my google account in clash of clans (Setting › sing in to google), this error appears:

"Google Play services which some of your applications rely on is not
  supported by your device. Please contact the manufacturer of your device".

Although I have Google Play Service installed on Bluestacks, this error appears again. Because I want to safeguard my progress in Clash of Clans, I must find a solution to this problem. I wanted to install Google Play Games, but the same error appeared. Please help me, what should I do?

you need Download Google Play Service Based on your Device DPI,
Supported DPI'S :

Also, you can Install CPU-Z Then, look at this section :
for example, look at the Screen Density on below picture :

as we can see on above picture, this picture have 560DPI.
and then, you need Google Play service For 560DPI.(for Example )

authors: ภูริจักษ์ ท็อป พลทัน


text:
Reverted Lollipop back to Kitkat - now I can't access the external SDCard
I had a Sony Xperia Z2 running CyanogenMod 11 (Kitkat 4.4.4). I got curious about Android 5, which is still only in nightly. Before taking a look, I took a full backup in recovery, then upgraded to CM12.
I decided that for now I want to go back to CM11, so I restored my backup, and that worked fine. But after reboot, it's been unable since then, to read or write the external SDcard.
Diagnostic info so far:
1) Android "knows" the SD card exists, because "Settings -> Storage" can mount and unmount it, and File Explorer can see and navigate to it.
2) If I go back into Kitkat, Settings -> storage" lists it as mounted but capacity = 0, and ls -l /storage seems to be saying it has the usual drwxrwx--x permissions.
3) The SD card is listed as having no contents and no size. Log entries in both recovery and logcat suggest some kind of error has occurred during mounting.
The logcat errors are: status changed from unmounted->checking->mounted, but then that cutils "Failed to mkdirat"(/storage/sdcard1/Android), that Vold returned a failed operation (not specified what the operation was) with unhandled error 30, that "VoldConnector NDC Command took too long", and that mkdirat failed because of being a "Read-only file system".
The recovery (CWM 6.0.5.1) errors are that if I unmount and remount the SDcard, CWM log says it "cannot load volume /misc", that the card's status changed from unmounted -> checking -> checked, it reports "/storage/sdcard1 mounted", then "200 0 volume operation succeeded", and then again "cannot load volume /misc" followed by "can't partition non mmcblk device /devices/msm_sdcc.2/mmc_host".
CWM can't list or read any files on the card either, perhaps making it likely to be a filing system issue rather than a hardware issue (odds of a sudden card fault exactly upon reverting OS seems small, card also a "known good" brand, Samsung)
Help really appreciated to fix this!

The permissions structures are dramatically different between Jelly Bean and KitKat, and KitKat and Lollipop. Upgrading allows it to recognize the older structure and alter it appropriately for the new needs. Going backwards affords no such ability, as the older version knows nothing of the newer one. Your best bet's likely going to be to copy all the data off of that card, format it in the phone, and then copy it back.


text:
Phone app comes up when the phone is unlocked by swiping
I have a Motorola Moto G and have just upgraded to Lollipop.
Every time I wake the phone up by swiping/logging in, the phone app comes up as if I want to make a call.
Is there any way to stop this happening? I'd prefer just to see my home screen.

swipe straight up, if you swipe from the left, or to the right from the center, it will open the phone app. if you do it in the opposite direction you will open the camera.

If you just upgraded to Lollipop, my guess is you're swiping from the left side to the right side, the way you did pre-Lollipop. That doesn't work on Lollipop. Lollipop is unlocked by swiping from the bottom to the top. Swiping from the left to the right unlocks you directly into the phone app (which is why its icon is in the bottom left of the lock screen), and swiping from the right to the left unlocks you directly into the camera (which is why there's a camera icon on the right).
Takes a few days to get used to swiping up instead, but once you do, you're golden.

Thank you so much for providing the solution so quickly.
I've noticed the minimalist approach on other things like the toggle switches for things like Wi-Fi.
I must remember to be more observant!
Thanks again
Very much appreciated.
Jamie A

Happy to help. There's a lot of oddities to get used to, but most are really great.
Also, please mark this as answered, if you don't mind. ;)

Please follow these steps..
Settings
Goto-- lock screen and settings
Info app and shortcuts
Next     appshortcuts
( now disable right and left shortcuts)
Simple now you will see direct menu when you unlock the screen


text:
Why are some contacts shown several times?
Some of my contacts are on SIM card and some are on phone. I want to keep all at one place.  If I transfer them from SIM card to phone, am I going to have duplicate contacts or it is smart enough to figure out?
If I select the option "all contacts" then one contact is shown several time in the list, like one for wiber, waze, whatapps etc. Please help me to manage my contacts.

if your contacts are shown from different accounts (google & non-google accounts), just disable one of the accounts to hide multiple contacts.
If you have duplicate contacts on your Google account, simply go to Google Contacts website via desktop, and choose option "merge (or delete, I can't remember) multiple contacts". Sync your phone contacts and you're done.

This happens to my android too.
Whenever you restore your contacts over GOOGLE, it gives you a copy of the last contacts you uploaded to GOOGLE, And when you use your SD CARD to have your contacts by default, it will duplicate said contacts whenever you restore, and then when you restore over GOOGLE again, it will copy it again, and again, and again...
Just delete the contacts that are duplicated, and disable google from restoring you contacts in the settings. It should stop.

Please open Contacts application. In menu option select "contacts to display". Option list will open . Select customise . List of accounts will open . Pick which accounts you want . Problem solved. Hole you find this useful

You have to select which contacts you want to display at the given options, since you are displaying all of them and their associated accounts, for example WhatsApp/Viber etc.

The app Simpler Caller ID can merge duplicate contacts. To do that, open the app → go to Tools → Duplicates, and then press Merge.


text:
How can I bypass the headset mode?
My headset jack broke off inside my phone and I cannot make calls or hear anything.  Can I turn off the headset mode?

If you open your phone you might be able to push it out using a needle. (Depending on the jack.)

Unfortunately not without rooting your phone. Your best bet's going to be to remove the headset jack. If it's not reachable with any normal tools, you're going to want to use something thin and strong, like a toothpick with a filed-off end, and apply a small drop of super glue to the end of it, then VERY carefully insert it into the jack, press it firmly against the end of the headphone jack you can reach, hold it there for about a minute, and then carefully remove it.


text:
On S3 Mini, Heimdall ERROR: Partition "RECOVERY" does not exist in the specified PIT
Following this guide for Samsung S3 Mini to install recovery: http://wiki.cyanogenmod.org/w/Install_CM_for_i9300

Started up in download mode
connected USB
in Terminal (Linux user), typed in
heimdall flash --RECOVERY <file-name>.img --no-reboot

The Terminal returned the error:
ERROR: Partition "RECOVERY" does not exist in the specified PIT.

What do?

I managed to solve as follows (on Linux):
Cause of problem:
In the PIT, there is no partition, called "RECOVERY" (duh). Keep in mind, the command is case sensitive.
Have a look at the PIT:
sudo heimdall print-pit --verbose

On my phone the recovery-related partition was called "Kernel2"
What worked is:
sudo heimdall flash --Kernel2 recovery-clockwork-6.0.4.6-i9300.img --no-reboot

And does the phone after that worked with the new OS? The S3 mini is a i8190 (not supported) and not a i9300. Please see https://www.reddit.com/r/LineageOS/comments/alpgip/samsung_galaxy_s3_mini_gti8190_handled_like_i9300/


text:
Force menu button in Android Lolipop
I have a HTC One M8 with the 5.0 ROM (Play Edition) flashed on it. It's rooted.
I previously used VenomRoms which had an option to force the menu button, is there something similar on the default Lolipop rom?

By default, I assume you mean stock? Then no. Google did away with the menu button in Android 4.0. It's officially unsupported and appears (now called the "Action Overflow button") only when an app ignores design guidelines and requires it anyway. Google provides no direct way to force it, as it's officially no longer a part of Android.
Only custom ROMs or toolkit like Xposed modules can bring it back. An example module that includes such information is App Settings, although I can't speak to its Lollipop compatibility, especially since I think Xposed is still in early beta for Lollipop.

Can you link to Google's documentation on removing the menu button? I am interested in their logic behind this, especially on phones with it built in...

http://android-developers.blogspot.com/2012/01/say-goodbye-to-menu-button.html
The basic rationale is strong: burying commands in a menu key nobody remembers is there (most users don't even know what it is) only creates confusion and reduces functionality. Android took a MASSIVE step forward when they removed this. A very important one. I don't miss it, and I'm very happy apps have mostly stopped relying on it. And very few phones have it anymore. It's a rare annoyance when one appears. Most switched to the multitasking button.

Long press the recent apps button, and you'll get the app menu. At least, that's what works on LG lollipop phones.


text:
No exchange option in gmail "add account" drop down
I cannot see exchange account option on gmail add account. Gmail version 5.0.1. How to rectify this?

The Gmail app DOES support Exchange, but it appears to be only on Nexus devices running Lollipop. I believe you can install the .apk manually, if you search around for it. Haven't tried it myself yet, but considering it.

Gmail 5.0 added support for Exchange accounts, but it requires an additional APK (Exchange Services) which you can't get from the Play store unless you already have it.  As one of the other answers indicates it seems to just be with Nexus devices at the moment (maybe some newer Lollipop ROMs do for other devices, not sure).
However, you can sideload it!  I just did from APK Mirror (using this version) and after fully closing and restarting Gmail I had the option to add an Exchange account.

Thank you @Matthew Read, it worked like a charm for my Motorola Moto G 1st version. :)

This worked on a Nexus 5 running 5.1.1 http://imgur.com/ZIduwvS

Works on LG G2 with KitKat (stock rom)

Works on One Plus One too!

Worked on Samsung S7

Please check to make sure you don't have any disabled apps.
Go to Settings > Apps > go all the way to the right-most tab. If you have any disabled apps, there will be a tab called "disabled." If there are no disabled apps, there will be no tab. If you see anything related to exchange, please re-enable it.

Not sure why this got downvoted. It's not THE answer, but it is an answer that might be a solution for some users.

I was having this same issue and found by doing the following was able to resolve.
Goto Settings-->Applications-->Application Manager-->Scroll all the way to right side should be column ALL-->Select Gmail application, clear cache--> Go back to ALL column and search for Exchange Services-->Select Force Stop.
Re-open Gmail App and should be good to go!

Re-enabling the Exchange Services is tricky as system services are not visible by default.

Settings → Applications
"..." (action overflow button in top-right) and enable System apps
Go back to the list of apps, find Exchange Services, and activate it.

To make sure everything was fine, I also uninstalled and re-installed the GMail app (although this was probably unnecessary).

I had the same problem on my Nexus 10 with Android 5.1.1.
I Couldn't create a new Exchange account; the option wasn't even listed. It used to work in the past.
I followed Mike's advise and first disabled my Exchange service after clearing it's cache. It then asked me if I wanted to reinstall the stock exchange service, which I did. After that I enabled the service again. Started Gmail, and it worked; It finally listed the option and I could make a new Exchange account.

The Gmail app does not support Microsoft Exchange.
To add an Exchange account go to Settings> Add Account > Corporate


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Half screen in android whatsapp camera while scanning QR code
I have still the same problem, my internet is working perfectly. I use idea 3g network for Xperia U running on Android 4.0.4. I cannot scan the barcode because of whatsapp camera is open in 1/4 of the screen.

I had the same problem, but as mentioned here, basically You just have to move the phone a little to the left or bottom (depending on how you're scanning the code - portrait or landscape).
Hope it works for you too.
Edit: by the way, I have the same smartphone.
Edit 2: I could not make a video because the screen looks completely black, instead of 3/4 of it ¬¬ (ironically, taking a screenshot of the desktop shows 100% of the screen xD). Anyway, what I do is this:

Open whatsapp and go to the Whatsapp Web option.
On portrait mode (vertically), center the QR code on the screen (the 1/4 that you see). The idea is to center it like You would without 3/4 of black screen ¬¬.
Move the phone to the left until I see only half of the squares on the top left and top right corners of the QR code. That's when the code gets scanned.

Hope it helps :)

I have done that too but still i have got  the same problem. Can you make some small video on that??

@HarshitChampaneri, were you able to solve the problem? I've edited my answer (in case you didn't see it).


text:
what makes my samsung nexus schi515 freeze after calls
When I'm finished with my phone call I have to take the battery out and put it back in for it to even go back to the home screen because it shows a black screen but you can feel vibrations when I touch the  the power button on the side but in order to see my home  screen I have to remove the battery its really frustrating what can I do to fix the problem. It want light up to show my keypad either like to put in my voicemail password

[LTE data]
[CDMA voice] + [Data]
[Voice off]
=Freeze
If a new battery doesnt fix it - the modem is dying.


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Samsung Galaxy S3 not detected on my PC after installing a custom ROM
While installing a custom ROM on Samsung Galaxy S3 (SGH T999), I think I deleted some key files, so now my PC is not able to detect my Android phone, nor do I have any saved ROMs on the phone to recover. I do not have an SD card slot but have Clockworks Recovery software.
How can I make my PC detect the Android phone?

Did you reinstall your drivers? Did you reinstall ADB and Fastboot? Do you have the ROMs on your PC? Get everything setup again and redo. You don't mention what device you have, nor Android version. Plus what steps you have initially performed that have led to your conundrum

Hi I managed to fix the phone. I have mentioned my steps in the answer below.I have Galaxy S3,SGH T999.

There might be an option in CWM to enable MTP to gain access to storage over USB.

I managed to fix the phone. I flashed it with a custom ROM for T-Mobile using Odin.
Initially, the phone was not getting detected, so I tried using ADB to transfer a ROM. That worked, but IMEI no. was still not available. It showed null, so I flashed it with stock ROM.
Anyone who has the same issue can try my method. Here is the link to flash Stock ROM using Odin: http://androidxda.com/flash-samsung-stock-rom-using-odin


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messaging has stopped
My Mobile  is micromax a46, whenever I am touching the message icon a dialogue box says 'sorry messaging has stopped'. Can't open, read and send messages. Can anybody suggest a solution to solve my problem?

Try clearing it's data from application settings (in the settings app). Your messages will probably be deleted, but if you are ready to take that step, it may fix your issue.

Just to be sure, a backup can be made before this. Some helpers for that task can be found here: Backup SMS/MMS


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How to convert Viber's voice message files to common audio file?
Viber's voice message files are located in /sdcard/viber/media/.ptt/ directory, and they don't have any extension format on them. I'm looking for a solution to convert them to a common audio file format.

Community bump prevention: this question was closed because the question seems to have been abandoned (OP hasn't visited the site anymore for more than 5 years, and existing answers have no votes). If anyone can evaluate the existing answers, feel free to vote accordingly and reopen the question (or mod-flag the question requesting for reopening). For anyone else having the same issue, please post a new question and refer to this question as additional context.

I suppose you have voice tags on your phone or tablet. They are in the folder sdcard/Viber/media/PTT. They are designated by numbers 1, 2, ... without the extension.

First you need to install Viber on your computer.
Install Audacity on the PC as well.
Run Viber on the PC and let somebody send a short voice message to you. If this is the first voice message after installation, it will be labeled "1" and will be in the \users\%username%\documents\viberdownloads\ppt.
Delete this message and replace it with a sound file from your tablet or computer. (I send the file by email from tablet to PC). Be careful that the file had to be the same name as deleted file and had no extension.
Start Viber and test play a sound file.
Run Audacity. Select the correct input source (at the microphone icon) - in my case SoundMaxDigitalAudio-stereo mixer. Enable recording.
In Viber, play voice recording and let the whole recording play.
In Audacity, stop recording and save the recording as a "file in another format", e.g. mp3.

Further reading: How to Save Voice Messages that you Received on Viber (archived)

In Memory/Android/data/com.viber.voip/files/.ptt, you'll find all the *.m4a audio files.


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Unable to backup/export/access an SMS conversation on Android
I am attempting to use "SMS Backup and Restore" to backup 2 particular SMS conversation threads from my phone. The SMS app I use is Textra. My problem is when I go to select the conversations (or export ALL conversations), it seems to NOT include the conversations I'm after in the list. In fact it appears to show every conversation (in descending datetime order, UNTIL this conversation, and then no more before that)
I don't know why this is the case. It almost appears like there's an issue with that conversation, and when it gets to that thread, it can't get beyond that. I understand that Texta supposedly inserts a copy of SMS's into the android's main SMS database. I'm not sure if the issue is with the backup program, or the data in the internal SMS database, or something Textra has done.
Two possibilities came to mind:
These 2 conversations are VERY large in size, thousands of messages, and a number of MMS/images/etc. Could this be the reason they're not available for exporting? Perhaps too large in size or something?
I switched to use an SD card at a certain point. Is it possible SMS Backup and Restore is only looking at SMS records that have been inserted into the SD card database and not the internal storage? (assuming that's how it works?) if that's the case is there a way I can have it look at internal? Is there a way to test this?
Note this is actually a very critical issue, involving a fragile, legal situation. I need to export/access these SMS's so I can access/format/print them out etc.
I have in the past been able to do this with SMS Backup and Restore without any problem.
I basically want to know how I can access and export these conversation threads. Does anyone have any suggestions? Would be extremely grateful and appreciative for any advice.
If there's another way to access the SMS data and get it onto my computer (raw data??) I would be willing to explore that if there's no other options.
I'm using Sony Xperia z3, with Android 4.4.4.

Anyone have any suggestions on this?
Is there a way i can access the Textra data files directly - does anyone know where they are?
I am really stuck on this one :(

I have finally found a solution to this issue. Rather than repeat what's already been written very clearly and concisely, I will just refer to the URL:

http://blog.shvetsov.com/2013/02/access-android-app-data-without-root.html

This provides a way to get access to the SQLite database that Textra uses, and export it to a computer, without needing root access. I am sincerely grateful to the guy that posted this! Potentially saved me from serious legal consequences had I been unable to access this information on my phone.


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Rooting failed, superSU remains
I tried to root my Galaxy Core 2 Duos using Kingo root, which installed SuperSU. Unfortunately rooting failed all of a sudden, but still SuperSU remains.
How can I remove SuperSU from my device?

for Root your Device, i think after using KingoRoot, you need Install Latest version of SuperSuthen, Root access is Successfully work.
and, for Delete ;
Use Full Wipe, or Install new rom.

Save /SDcard stuff (Photo/Video/otherstuff)
Open Kies - Do "firmware upgrade/wipe) clears SU

Careful with samsung ; they dont like to be rooted. in fact the worst brand to IMO

You should simply just be able to uninstall SuperSU as you would any app via your apps viewer. If I were you I would avoid using KingoRoot, I have heard some poor rumors about it. Try Re-rooting the device using something like towelroot, afterwords you would then install SuperSU from the appstore, allowing you to give apps superuser permission.


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Get into recovery mode on Xperia ray
I want to install a custom ROM in my Xperia ray. I have rooted my phone, unlocked the bootloader, and also installed ClockworkMod recovery. I have downloaded the custom ROM and Gapps on my SD card. But I am not able to enter recovery mode. I am always sent to safe mode.
I have tried the first two pages on google but had no success.
Please help.

Check your ClockworkMod recovery installation. Have you edited the permissions of CWM files once you've copied them into the system?

Download Android Studio, install ADB SDK, then open command prompt, change directory to
C:\Users\[UserName]\AppData\Local\Android\sdk\platform-tools

Then hit the following in command prompt
adb reboot recovery

Then your phone enters recovery mode. I did the same in my Xperia Ray and succeeded.

TWRP recovery with modified kernel
I was unable to boot into recovery mode, when trying to root my Sony Xperia Z5 for the first time.
It worked after modifying my Android 7 Nougat kernel with this tool: https://forum.xda-developers.com/xperia-z5/development/root-automatic-repack-stock-kernel-dm-t3301605
After that I had to but also could enter recovery mode via "adb reboot recovery". Which then worked well for me.
Trying to install lineageos... .zip, the check for right device was wrong in my case.
Installing zip file '... .zip'
Checking for MD5 file...
Skipping MD5 check: no MD5 file found
E3004: This package is for device: E6633,E6653,sumire,sumire_dsds; this device is .

E:unknown command [log]
Updater process ended with ERROR: 7
Error installing zip file '....zip'
Updating partition details

It can be changed easily as desribed here:
https://forum.xda-developers.com/showthread.php?t=2522762
Worked well for me.


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Block mobile internet access except portable hotspot without rooting my phone
I've seen many articles and tried many applications like 'mobiwol' 'droidwall' 'avast antivirus' 'foxfi'.
What my problem is that I've a very limited mobile data and I want to use it with my laptop with wireless/usb tethering without any android app accessing internet.
I was thinking to block all android application to access internet and just allow portable hotspot to access mobile data, then I'll connect via portable hotspot and use the data in my laptop. I found application like 'droidwall' or 'avast antivirus' which requires a rooted device, but I cannot root my device as it'll void warranty.
Then I found 'Noroot firewall' or 'mobiwol' which creates a virtual VPN to block internet access. That's exactly what I want. But I want to allow portable hotspot to access mobile data which is not possible see 2nd last answer here. So basically I'm struck.
Can anyone please suggest what should I do? or simply how can I use internet in laptop via android device without android app accessing mobile data?
Note: My device - samsung tab2 3100, android version 4.1.2

Go to Settings>Data Usage
Check 'Restrict Background Data'

(It will prevent apps from using Data)


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Forcing landscape orientation when phone is upside down
When lying on the bed with my head on the pillow, I basically can't use my (mi4) phone: if I hold it upright, it goes to regular portrait mode and it's not aligned with my eyes (my head is on the pillow). If held upside down, regular portrait too. If held horizontally (top & bottom of the phone facing the walls) it switches to landscape, still not aligned with my eyes. In fact, it is entirely incompatible with this body/head position.
How is that possible ? Using a phone in this position is incredibly common yet you just can't ! My Lumia 520 (Windows) understood that the phone upside down means the user is lying on his/her bed, head on pillow, thus switched to landscape, so I could watch YT videos and browse websites in landscape.
Anyway, is there an app or anything to, for example, force the phone to stay in landscape when phone is upside-down ?

What do you mean by "upside-down"?

upside-down means with the upper part where the lower part should be; in an inverted position.

So, what do you want, to have it locked in landscape while the phone is positioned vertically? Your phone rotates 180° (upside down) when the phone is upside-down?

As I said I want to "force the phone to stay in landscape when phone is upside-down". Yes, currently when phone is upside-down I see normal portrait meaning phone turned its display upside-down in order to "cancel" its upside-down physical position.

Depending on what version of android/ROM you ate running there should be an option to lock the orientation. It could be in the quick settings in the notification drawer, or settings > display > orientation.

Thanks Tyler, yeah but it would be better if the phone could just switch to landscape in upside down position, without anything to do.

I've written an app that can do this. It replaces Android's auto rotation with its own. Get it here. If you disable the Allow upside-down screen option, it should work the way you expect.
Keep in mind, though, that this app is really intended to let you use auto rotation while you're on your side, so you might find that it gets in the way if you don't want that functionality.


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Allow LED flashing for notification while on silent mode (interruptions: none)
I use my phone in school. If I use priority mode or none mode, I can't see the notifications by front LED of my phone, which I could with Android KitKat 4.4. It was easy in school, there was no sound but I didn't had to check my phone every 5 sec to see if I had a message. Is there any way to do this?

Don't know what's wrong with your version, but on my device, if I select none, the notification light works and I can also see the notifications on the lockscreen. I use android 5.0, what version do you have?

Version 5.0.2. I don't know if it's a difference..

I also have version 5.0.2, sorry. Have you set the preference in the system settings, that every notification is shown on the lockscreen? You can set this in the notification manager in the settings

It's shown in lockscreen if I touch the button I can see my notification.. but the lockscreen doesn't light up and so doesn't my notification light..

I asked the same question: http://android.stackexchange.com/questions/88835/notification-light-in-silent-mode-on-lollipop
If nothing has changed yet, there isn't a really satisfying answer and only and workaround.

I removed the statement regarding "alarm doesn't ring on silent mode" because it's not really related to the problem, and because Android already warns about it. Alarm only works on priority and all.

If you're using CyanogenMod (mine is CM12), there's a setting for this. Look under "Display & lights", and find "Ambient display".
Hope it helps

Be sure to set your preference like this (click image for larger variant)

Are you, by any chance, using custom ROM like CyanogenMod? I couldn't find this feature on Nexus 5, stock Lollipop 5.1 (and the menu is "Display" only, not "Display & lights" here).

Yes I have cyanogenmod. Try to find the preference with the search.

Not really sure why your notification light plainly does not work. Try using one of the LED customization tools such as Xposed, change the settings and see if it works after that.
http://repo.xposed.info/module/com.mohammadag.xposedledcontrol


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Computing when on charger - long term effects on battery life
Donating your computational power for scientific projects is, in some cases, available for Android. One of them, the World Community Grid, states that "Using the application will not significantly reduce your battery life or your recharge time." (source)
On the short term, I'm sure this is true. However, I was wondering about the long term. On my Nexus 5, I have experienced that, even when the device is fully charged and still plugged in, if I use power-hungry applications, battery level may drop to 99 or 98 percents. This indicates that the battery is still used when the device is plugged in.
For this reason, I was wondering if the battery can actually be bypassed at all, or if the device is just permanently charging. Notebooks with removable batteries can obviously do this as they still work without the battery, but as I can't remove the battery on my Nexus 5, I can't check this there.
I'd be interested in an answer regarding my specific phone, but general information about how most Android devices operate there would also interest me a lot.

My galaxy s4 doesn't work without the battery even if it is connected to the charger

You could try disconnecting the terminal by taking it apart, but you would need more power than whatever you are using currently. Such as a powered USB hub or higher amp charger.


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Restore Droid Explorer Backup
How do I use Droid Explorer to restore a back up either the enhanced or normal ab?

To restore you open Windows Explorer and navigate to the backup directory.
c:\users\[username]\Android Backups\[device_id]\

There you will see the backups for the device. You can then double click on the backup file and restore it to the device.

If it is an Enhanced Backup, it will only be allowed to restore to the device that it was taken from.
You can also convert Android Backups to Enhanced backups, and vice-versa by right clicking the backup and choose 'convert to xxxx'.
You can also choose to unpack a backup. This will basically extract the contents of the backup so you can browse it on your computer.
When you start the restore, it will run the adb restore command on your device, using the backup selected.

double clicking on the file opens Droid Explorer though it crashes as soon as I push the restore button. To remove the startup error about permissions of root adb I have adb insecure installed on my device and activated at boot.

The device is a Nexus 7 2nd generation ROOTED.

@DonMoody, the crash is a bug, I have reproduced it, created the issue on the issue tracker, and will get it fixed in the next release.

@DonMoody Disclosure: Ryan is the dev of the fabulous Droid Explorer :)

@Izzy, thanks, Yeah, I should have said that... DonMoody I hope the rest of this answer is actually useful to you. So if there wasn't a bug that prevented it from running successfully, this would tell you how to use it :)

@RyanConrad No prob. Though we have that policy-of-disclosure here, it's safe to assume more than half of the people on ASE are aware ot the fact in this case – I just wasn't sure about our new member :D

@RyanConrad I look forward to the new release. Thank you for the responsive reply.

When I right-click a .ab file and choose unpack, then type the password, nothing seems to happen. Where should the unpacked file appear?

@RobFisher it would be in the same location. Make sure you have java installed, as it is required to unpack.


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Wifi password lost every time I reboot my phone
VS985 - Verizon LG G3 - CM12 Nightly - 5.0.2
This has been going on for a few months now, and is just driving me bonkers. Every time I reboot my phone, and am home, my phone forgets the password for the wifi. All other devices in the house (iphone, ipad, laptops, kindles, chromecasts, etc.) do not have this issue.
This only happens for my home router – passwords for other networks are surviving reboots.
As I have my phone how I like it, I don't want to start from scratch. I tried wiping system, but it's like the password is a part of my personal data and that for some reason it is forgotten so often? Does anyone have ideas on how I could go about fixing this?

And you haven't asked this at the CM forum yet?

Not a solution, but a work-around:
The WiFi password is not stored on /system – it's in /data/misc/wifi/wpa_supplicant.conf. As you're using CyanogenMod, it should be safe to assume you're having root access. So you could use an automation tool (yes, I've got tasker in mind here) to copy that file to a "safe place" whenever shutting down the device, and have it restored from there on each boot.

This might work, however it does not explain why the password is getting lost each time. Other APs work without any issues. Is there a way to reset access points both on the device, and those synced with googled?

As written: not a solution (nor an explanation) – but at least better than nothing. You just introduced a new fact in your comment: this "Alzheimer" only happens to the password of this specific router – but not for others? If so, please include that fact with your question directly, might be an important pointer! (And gets myself even more confused on how that's possible – I've never heard about a feature like "session passwords" for WiFi)

If its only happening for your router then I think it's because of your SSID name or password. Maybe they contain some uncommon characters. And maybe during boot CM is unable to resolve them correctly (characters not available in the encoding used for saving and reading the file), causing the loss.
Once I used the ¥(Yen) symbol in my password and my friends Lumia could not connect to it.

I have changed permissions to 644 (from 660) on /data/misc/wifi/wpa_supplicant.conf. That helped (so it seems so far).

I think you wanted to comment on this answer.

@Firelord You could count this as an alternative approach: Vedran removed the write permission for the group, so whatever it is obviously was unable to write to the file anymore. As the write-bit however is left for the owner, it might be the user still can store new connections. I have not tested that, so it's for Vedran to confirm my suspicion. // Vedran: Could you please add a few more details on what you did, and confirm it's still possible to add new connections after that?

@Izzy For clarification: I didn't down-vote this in case if you or anyone wonders! Or I could've posted a different comment.

@Firelord I didn't accuse you of anything here :) My addressing you also was just for clarification.


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How to Unroot " Galaxy tab 2 p3113 8gb wifi "
My 9 year old son rooted his tab on his own, against my wishes. I tried a factory restore and used Kies to load via PC although this did not restore the tab.
It's still showing as rooted. Can anyone help as it seems he should have installed software prior to rooting from what I have read. Is there anything I can do to restore it to factory-defaults? Please anyone who can give suggestion I would greatly appreciate it.

Just reinstalling factory ROM will remove root access. I am assuming he has a custom recovery image installed? Also, how exactly is it showing that its rooted? Is a superuser app installed? Stock ROM?

I would recommend doing a nandroid backup before messing around with it too much. If you have a custom recovery installed, such as TWRP, you could download the stock ROM of your specific model (or really, any rom you wanted), and flash it via custom recovery. I highly suggest backing up prior. Once you do this everything should go back to how it would be if it was a brand new phone (besides the custom recovery - but this is more beneficial than problematic.)

authors: Мария Юрьевна Богданович


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Force/Enable Pin screen lock
Is there a way to enable/set a pin code for screen lock, independently of the settings?
In my case everything is greyed out (except "Password") because I use device encryption.

Any luck with this?


text:
Reconfigure Samsung Galaxy Note 4 Fingerprint Scanner
Is there a way to avoid clicking on the centre button where the fingerprint scanner is. I would like to reconfigure the fingerprint scanner to go to home when brushed. Is that possible?

Not without rooting the phone, no.

That means, the answer is actually, "Yes, if you're rooted". Meanwhile, could you provide the steps/reference to do this on rooted device?

And any apps that do that when rooted? Am I the only one annoyed (and lazy) by the clicking

No, my wording was precise. Without root it's not possible. With root it MAY be possible, but I'm unable to locate any appropriate apps to do so, and I suspect it's not. In reality, I don't believe there are any capacitive sensors in that button, so without pressing it, it's unaware that you're interacting with it.


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How to copy events in KitKat 4.4 Calendar?
How do I copy events in KitKat 4.4 Calendar? That possibility to copy events has been removed from the calendar.

I edited your question to address the issue directly. OTOH, if Google decided to remove the feature consciously, then it's not a bug. Anyway, there's no possibility to know why Google removed that, making the question off-topic (we're not from Google, we're just Android users).

So...what uh what is the answer? Does anyone even know how to copy events with the current calendar? Or do they know for sure it was removed? I cannot find the answer to either that's why I came here. I mean not being able to do that in ANY calendar app is silly. So I figured it may BE a bug and thus a workaround.

I couldn't copy an event in the latest Google Calendar on Lollipop too. When I was researching about it yesterday, some suggest to use 3rd-party apps since this feature was removed on KitKat. I'll wait someone to answer if he does have a workaround on KitKat.

Yeah. Went to Informant based on Pocket Informant I used on my BlackBerry. Nice app.

It seems the only option are third party apps. I found Informant, which is sort of like Pocket Informant (same dev), I used on my blackberry. It seems that stock apps for Android are becoming more and more featureless. I guess "they're" trying to promote using third party apps, I guess, I don't know.

Open Calendar
Click on List tab
Find Event to copy, then press on it and hold until a popup window appears
Choose Copy

Something similar can be done from the Month tab...

Select the day of the event
Find Event to copy just below the month calendar
Press and hold until a popup window appears
Choose Copy


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Status of a recently added contact
Can I see a recently added contact if she is online?  Say she has not accepted my invitation.
Thanks.

Not until she accepts your invitation. That's part of the point of that feature: to prevent strangers from merely adding you and knowing if you're online.


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Where is this specific setting I forgot the name? Using Sony Xperia Z3, Android 4.4.4
While getting used to my new phone, an assistant showed up, asking me to configure some time settings regarding night & charging, time settings when I plug in/out my charger cable, and alarms, etc.
Now, I wanted to review those changes I made, but I cannot find those settings anymore!
Anyone knows whats the setting name or menu item for that specific assistant on that phone (Sony Xperia Z3)?

On Nexus, if I go to Settings - Apps - All, I can find "Google One Time Init", which I believe is the first-time wizard. However, there is no launcher or any way to access that. I'd assume if I clear its data, it would run again on next boot, but I didn't try it. Perhaps there's a similar app on Sony.

Related, but might be device-specific: http://android.stackexchange.com/questions/67177/how-can-i-get-the-first-boot-android-welcome-screen-again-without-doing-a-factor

Thx @andrew, but that wasn't it. After searching through the phone some more, I found it: for future readers, its called "Smart Connect". The reason its not to be found in any preference setting, is that it has its own icon and comes pre-installed. For my specific case, I then select "Night", where I can see all the additional tasks the phone does "automagically" (and that cause troubles ;)

Good to know you found the solution! Consider to post it as answer instead of comment. Self-answer is encouraged too :)

[Answer based on my previous comment]
The feature/setting is called "Smart Connect". The reason it's not to be found in any preference setting, is that it has its own icon and comes pre-installed (I guess on most Sony devices). For my specific case, I then select "Night", where I can see all the additional tasks the phone does "automagically" (and that cause troubles ;)
Other events for automation include "Music on the go", and "Music at home".


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Old sim deactivated but i want to use that same number for new sim
My old sim has been deactivated and most of my contacts know me by my old number.
I want some way to register my whatsapp to that old number

You have to have active SIM card for the first-time registration/authentication (either by using SMS, or voice call). Other than that, I don't know if it's even possible to "cheat" WhatsApp server.

Phone numbers aren't tied so much to the SIM card, but to the provider via your SIM card. Your old phone number can be reassigned to another person now, so it would be unwise at best, probably illegal, to make Whatsapp use your old phone number.
In short, "your" old phone number is no longer yours.


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Where is Voice Privacy on OnePlus phone?
Can someone give me a step by step on finding the Google Voice privacy on my OnePlus phone?

Sorry, could you clarify what did you mean by "Voice Privacy"? I admit I didn't have Google Voice, but I didn't find any clue about "Google Voice Privacy" on Google.

Since Voice Privacy is a CDMA network function, and OnePlus One is a GSM phone, there is no such option to be selected. GSM technology doesn't have the same vulnerability as CDMA.


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How to disable the notification badge on Facebook on Sony Xperia?
I have Sony Xperia. I hope to disable all attention grabbing behaviour on my phone, and after disabling notifications from most annoying apps, the only thing left is the notification badge (red number) on the Facebook app.
Browsing for "turn off notification badge android xperia facebook" only gives me hits regarding Samsung TouchWiz and iPhone, and I so far haven't been able to locate anything in the menu of the app either.
How can I turn off the display of unread events on the icon of the Facebook app?

I think that there is no way to disable this in the default Xperia launcher. The easiest solution is to use a different launcher, like Apex, Nova, Epic launcher and such. The appearance of these launchers is different from the default one, but you may like it, and these launchers have many more customization options that you may also find appealing.

Thanks, I wasn't aware of that. I thought the Xperia was pretty bloatware free, and that the launcher was the default Android one, but I guess I was wrong on that one :) Will check it out.


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Massive battery drain after factory restore
I've been struggling the last couple of days figuring out a way to solve my mass battery drain issues on my android phone (Samsung Trend Android v 4.2.2). Since my time for finding a solution was running out (I used diagnostics tools to check wakeloks, battery usage and such, trying to turn off location services, etc. i mean i did try stuff) I decided to go with a full factory restoration.
Now the thing is I did this while specifying NOT to sync previous settings nor downloading my apps from my google accounts...I just wanted to see how it would behave "clean".
Seems like web browsing hasn't drained my battery (which it used to) but youtube persists on killing my style and decides to suck off my battery's soul after just a couple of videos (while fully charged).
I looked online and did search through out the forums but coudn't find a clue about this....anyone? help? please? lol.

How old is the phone? It sounds like the battery is getting on in age, which typically leads to rapid battery life loss under heavy load.
Greenify helped me squeeze extra battery life out of my phone, it may help you too. Keep doing tests on how quickly is loses charge in different apps. Try using MX Player or your web browser to play the youtube video instead of the youtube app. The only other suggestion I have for increasing battery life would be switching to a custom ROM more suited for battery life preservation. Anything else either consider replacing the battery, or getting a 2nd external backup battery/case


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Unlock phone with dead screen locked through Android Device Manager
My screen is dead and I want to unlock my phone so I can access it through Kies to backup my pictures.
I locked the phone through Android Device Manager setting an easy password (was hoping for an Unlock option once I locked it) and tried various methods to unlock it for example:
adb shell input text 1234

Since I don't know what the lock screen look like I'm not sure of the correct inputs to unlock it.
I know the phone is on and that it responds to adb. I am also able to run apps on it through Eclipse. It's a Samsung Galaxy S5 with Android 5.0.

I've managed to get a view on the screen through Droid@Screen but the phone keeps saying wrong pin code even though I'm sure it's the same I set through Android Device Manager.


text:
Is in-app purchase still exists on the device if buyer's account is logged out?
Background :
I want to buy the full version of Cytus and Deemo games using my friend's credit card, so what I thought is he have to login using his google account and then after purchasing is complete, he logged out his account.
My question :
Is the purchase still saved on my device even if my friend account already logged out of my device? And is it possible to restore the purchase again if someday I reinstall the games after I delete it?
Thank you.

If possible, ask him to register his credit card on your Google account, then buy the apps under his supervision (and also the song packs, in case you want to play them later), then unregister his credit card again. Otherwise, buy Google Play gift vouchers if it's available in your country.

@AndrewT. Yes, I thought that was the best solution too after I read Maxime answer. Thanks.

If you are logged in with your Google account, the app will be in the list of all your apps and you will be able to re-install it on any device conected to your Google account.

In case I log two accounts when purchasing. First is mine, second is my friend's. Then use my friend's account to buy the games and then log out my friend's account. which account is connected to the apps purchase history? my friend's or mine or both?

The purchase will be related to the account that did the purchase, so if you buy something with your friend's account, the purchase will be related to his account.

so if I want to reinstall the game after I delete it, I need to login using my friend's account, is that it? Can you provide reliable sources of how this works?

Yes you'll have to be logged with your friend's account, I have no sources, but I bought an app 1 year ago with my Galaxy s3 and re-instaled it on my Note4 1 week ago.

As mentioned in comments in another answer, any purchase made through the Google Play Store (or the Amazon App Store) is tied to the account that made the purchase. Your friend's account bought the game, not yours.

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Cyanogen play store access
If cyanogen forks off and comes up as a direct competitor to Googles version,can google prevent android apps from working on cyanogen or since both are android based all would android apps would work perfectly fine with cyanogen version of android.

Thank you,What about the apps,can an android app developer put up the same app he has created for Google play store to say the Amazon or a cyanogen App Store.Or would it require quite a bit of work before its compatible .

That's done all the time: many apps are available in multiple places, like Playstore, F-Droid, Aptoide, Amazon. Just check my app lists if you don't believe it. Plus, Playstore can even be accessed without GApps. Just search this site for "NOGAPPS", which is how I do it on my CyanogenMod devices :)

Android is an open-source project. Kindle Fire works with its own store and it's making a lot of money. So no, Google won't forbid you using the Android - without Google.


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Device disappears from ADB devices when entering sideload
I'm installing a rom on my Oneplus One, so I go in TWRP, wipe, plug in my phone and use ADB devices. The device lists as usually. When I enter sideload in TWRP though, my phone disappears from the devices, so I can't sideload a rom.
TWRP version 2.8.5.1
ADB version 1.0.32

Seems to be a driver issue

I have the same problem with cwm.


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Exchange Email on Android 5.1
I recently upgraded my Nexus 5 to Android 5.1. Now my corporate exchange email no longer updates.  I can not send or receive emails. I had my local IT department check it out and they can not find anything wrong.  All of the settings are exactly the same as they were prior to the update.  Any suggestions?

Which email application are you using, and have you tested a different one to see if it makes any difference?

Using gmail. I have not tried any other clients. But I will now. Thanks for the suggestion. I should note, that my gmail and yahoo accounts still work within the gmail client.  It's just the exchange account that is no longer working within the gmail client.

A fellow Nexus 5 owner in my office who had not yet upgraded his to 5.1 showed me his settings.  The security type on his was SSL/TLS, while mine was set to SSL/TLS (Accept all certificates).  I changed mine to SSL/TLS and it works now.  I'm not sure why this worked but I can get my emails now.

for me changing the settings from SSL/TLS (Accept all certificates) to SSL/TSL also solved the problem.