问:
How do I mount devices so that they are accessible by regular user?
I am using luksmanager to mount my file based luks container. It is mapped to /dev/mapper/luksfile. It works, and it works great except that only root can see the files.

I successfully used this on Kitkat meaning that regular user was able to access mounted folders. However I upgraded to Lollipop recently and old way of mounting the folders does not work anymore. So only root can access the mounted folders. for everyone else the folder icon is just a file type which is broken.

I want to be able  to mount the /dev/mapper/luksfile so that it can be accessed by reguular users on Lollipop. I also used mount  -o bind to distribute some of the folders in the container, those naturally do not work too.

I tried:

```<code>mount -t ext4 -o rw /dev/mapper/luksfile /storage/.sdcard/mnt
</code>```

without success

I am using CM12 5.1


问:
Why can't I install apps to my LG Optimus F3Q's Micro SD?
I got a 32 GB for my LG Optimus F3Q (model number D520) in hopes I'd have more space for apps. I followed this guide:
http://www.howtogeek.com/114667/how-to-install-android-apps-to-the-sd-card-by-default-move-almost-any-app-to-the-sd-card/

but the suggested command line code didn't work, so I did:

```<code>adb shell pm set-install-location 2
</code>```

After my get command, it confirmed that everything should be installing to card.

I tried to install Snapchat, and was told I have insufficient space. Same with Yik Yak. I tried moving a few apps to SD card from within my phone's Settings → Apps option, but only Trivia Crack, Uber, and one other app gave me the option.

So even now I can't figure out how to default app installs to the SD card.
I've consulted quite a few StackOverflow questions in that time, but none of the proposed solutions have helped.

UPDATE: I can move enough things to SD card to install wanted apps, but I still can't install directly to my Micro SD card. What can I do?

ContentLicense: CC BY-SA 3.0


问:
Sim is not getting deactivated in cm12.1
I am using CM12.1 on my Canvas Nitro. Everything seems fine, except single sim deactivation. Even if I try to deactivate any sim, it does not get deactivated. </p>


问:
Asus Google Nexus 7 [2012] + Android 5.1 + Windows 10 - Recovery Mode debugging fails
My configuration is in the title. I want to install custom ROM, but I can't access my device in Recovery Mode. I have ADB.

My tablet is usually visible by Windows:

Normal run - as "Android Composite ADB Interface". Android 5.0 is also aware that it's connected in debug mode, so everything works.

FastBoot menu, before I click "Recovery Mode" - "Android Bootloader Interface".

After I click "Recovery Mode" - device disappears. No device, not even "unknown device", in Windows' Device Manager. ADB shows nothing, obviously.

What I did:

Enabled USB debugging and enabled for my specific PC (I had to boot normally and press "OK" on device).

Disabled connecting as MTP and enabled as PTP (camera), as some good guys figured out here: How do I get my Nexus 7 to show up in the adb devices list?

Tried restarting ADB server, re-plugging USB, etc.

Any ideas what's wrong? I've fought for hours with this. My only idea is that something's wrong with Android's permissions, but USB Debugging is active and MTP/PTP modes are configured properly...


问:
Format android to join internal memory partitions?
I have searched around the net but not really finding exact problems nor solution related to mine.

I have a tablet which should have 8gb of internal memory but the problem is that it have divided memory onto 2 partitions as data storage and internal storage and i have lack of space on my data storage as its only 1gb while other partition uses rest of the internal storage.

So i cant install any more apps as my data storage is full while second partition is almost empty.

I have actually tried to flash emmc and new android but i got the same partition sizes.

My device is BlueBerry Netcat M-28, this should be rebranded chinese Cube tablet as i know. Anyway the model is from 2014 and uses:

Android 4.2.2
Baseband version MOLY.WR8.W1315
Kernel version 3.4.5 build Jan 2014 HKT(i guess this is hong kong time)

Mediatek ARM Dual Core MT8312 1.2GHz

Mount points in the screenshot below

Click on the image to enlarge

Just for the note:
I don't know much about android except that it's based on linux, at least the same kernel? But i do know my way around the linux, still android is unfamiliar to me. I had a same problem with space on my mobile phone Nokia N900 which runs on linux maemo, the phone have 32gb memory which was divided into 2gb and 26gb and 2gb was not enough. But on Nokia there was no problem, i was easily able to find flash tools, new firmware, modified kernel. It was just needed to ,modify file with hex editor and flash emmc with new settings od 8gb and 20gb partitions.

Why isn't possible something like this on tablet too?


问:
Huawei mediapad t1 7inch
I have a problem with my huawei mediapad t1 7 tablet, online videos on youtube and other video sites take long time to start.other smartphones work well on the same wifi network.my system is kitkat and is up to date.i tried all browsers youtube app works well but sometimes there is start and stop
.please help</p>

Title: Huawei mediapad t1 7inch


问:
custom ringtones for all contacts
i tried to set custom ringtone via Es File Explorer But Still the default mobile ringtone  , it success when i set custom specific contact , the problem : i want to set custom ringtone for all contacts at one  time , android 4.2.2     </p>

Title: custom ringtones for all contacts


问:
Wifi doesn't reconnect to known network
My phone fails to connect to wifi networks it has been connected to before.  When this happens, even if I reenter the password it will not connect.  But if I restart the device, it connects to the network without my having to enter the password.  This happens both at work and at home.  It's a Samsung Galaxy Stardust running Android 4.3.

I don't know if this is an answer, but my problem has gone away.  Here's what happened.  I called TracFone tech support about this.  The representative told me to shut the phone off, pull out the battery, and see if the battery had a red sticker on it.  It didn't.  Then she told me to put the battery back, and that the next step would be to do a hard reset.  When I found that doing so would erase my settings and contacts and such, I declined.  So I thought I had wasted my time.  But the wifi problem has not happened since then.  It's certainly not the only time I turned the phone off, so I have to think that taking the battery out for a couple of seconds reset something.

Title: Wifi doesn't reconnect to known network


问:
Does SuperUser (from koush) work on 4.4.2?
I've installed update.zip (from download.clockworkmod.com) via the recovery, /system/xbin/su file exists:

```<code>$ ls -l /system/xbin/su
-rwsr-sr-x root     root       311872 2015-12-28 00:28 su
</code>```

But it doesn't work:

```<code>shell@lt033g:/ $ su
255|shell@lt033g:/ $ id
uid=2000(shell) gid=2000(shell) groups=1003(graphics),1004(input),1007(log),1011(adb),1015(sdcard_rw),1028(sdcard_r),3001(net_bt_admin),3002(net_bt),3003(inet),3006(net_bw_stats) context=u:r:shell:s0
shell@lt033g:/ $
</code>```

Why? I'm using Samsung Galaxy Note 10.1 2014, Android 4.4.2

P.S. I can not use SuperSU for some reasons, I can use SuperUser only.


问:
Setting creation time attribute on exFAT to "atime" from ext4
I have to move files from my internal storage to the SD Card. While cp -p does its job fine to an ext4 formatted card, moving/copying files to exFAT only keeps the file modification time but sets creation to the actual time.

Some of my daily routines on my Windows computer depend on creation time for file sorting etc. To make it even worse, copying from my phone over MTP discards both time-stamps, yielding anything except jpeg's unsortable!

So what I need is just a bit of bash magic which:

Reads the atime* of a file/directory

Copy the file/directory to destination with cp --preserve t

Touch the destination file/dir's ctime with the stored one

Proceed and recurse
???. profit

*Android mounts the storage with noatime/relatime and thus - which I checked myself - atime gives the real creation time here


问:
How to resolve the issue "SIM card full"?
On my Android 4.2.2 I always get the following notification message after activating my SIM card:

SIM card full

Delete some messages to make room for...

However, when I go to the setting Text messages on SIM card, I receive the following information:

No messages on the SIM card.

Moreover, SMS storage location is set to Phone and should thus not store any messages on my SIM card.

Aside this background, how is it possible that my SIM card is apparently full and how can I resolve the notification message?


问:
Nexus 7 (2013) How do I disable Android OS updates?
I want to disable OS updates on my rooted Nexus 7 (2013). Is there a way to stop the tablet from checking for these updates before I create the ROM rather than installing Disable Services or having to uncheck "show notifications" as I've seen in other posts? </p>


问:
Downgrade Galaxy Ace to stock rom without Odin
I' install the CM7.2 on it using the CWM v5.0.2.6 Well now I'd like to retun to stock rom I found that I cannot connect my phone to the computer(I have a damaged micro usb on the phone) to use Odin Well is there any way to return to stock rom without odin, by using the SD card? Thank's</p>


问:
Help! 25 unkown apps messing with my phone
These apps keep showing up in my data usage screen. I have no idea what they are or where they came from. There are 25 of them by the way. All they seem to do is use up data and interfere with my phones operation. I.E. slowing it down, closing other programs, opening Google play asking me to download one thing or another, pretty sure they've ended a couple of my calls. Though I can't prove it. NO anti-malware picks them up.

If it is an app I've installed causing the problem how do I figure out which one (short of installing them one at a time)? Is there anyway to get rid of them (short of formatting phone again or performing a factory reset)?

I'm not a pro so I need it simply explained. Not dumb either. My phone is not rooted and I'd rather not if I don't have to. It looks like a pain and I'm not great with Linux systems. My phone it a ZTE Rapido LTE model Z932L, Android version 4.1.2. Any help would be great.

Edit: I don't think the question that is similar to mine answers my question. Tho the are very similar. I did not have my phone updated or messed with by the company I bought it from. Its a straight talk phone. To my knowledge there isn't anywhere I could take it. I have factory reset my phone twice and the problem continues. It could very well be something I did (infact that's the most likely conclusion). If it is I need to know what so I don't do it again lol. Also added screen shot of "removed apps," and two more have popped up since I posted this question. I have not uninstalled anything.

Screenshots (click images for larger variants)


问:
Can I export certificates from Credentials Storage
I have several certificates in the Credentials store that I would like to backup. Can they be extracted?

OnePlus 2 running OxygenOS 2.2.0 Android 5.1.1
Not Rooted.


问:
Go back in Chrome browser
New Android user here with what I considered to be a pretty basic question.

How do I go back in Chrome?

I know the "obvious" answer is to hit the back soft button, but that doesn't actually go back to the last page but rather to the last activity across your entire phone. For example if you're using an application other than chrome, and then switch to Chrome, and hit the back button it will not bring you to the the previous web page but rather to the previous application. At this point I don't know how to access to previous page.

Title: Go back in Chrome browser


问:
Additional device "Nexus 7" in list of my devices
I went to list of my devices and I see always one non my device "Nexus 7".
It was strange, I immediately changed password and activated verifying with using mobile phone.

After that I login with my devices and Nexus 7 appeared again.

I made some investigations and I found that Nexus 7 appear only when I login on my tablet "Pipo M6". (Pipo M6 device also is in list of devices). Time (the last login) is a little different between Nexus 7 and Pipo M6.

It's a little strange, could you please explain me why I see this additional device.

It is possible that this situation related with SuperSU or other applications, which have root access ?


问:
adb>shell returns "error: closed" - how to "open" adb shell access through adb sideload
my device got broken but i am still able to connect usb in the stock recovery mode.

if i try to start a shell via adb while the device is in recovery mode, i fail. my terminal echos the line: "error: "Closed".

i think, because this device isnt rooted/cfw, the official firmware blocks the shell access in recovery. but there must be a way to connect.

what could i do to open a shell on this device?

just reinstalling another OS through sideload isnt a option, the only way to access data is through adb

-there is a option in the recovery: "update via adb/sideload". when i choose this mode i can execute via adb a sideload update. the device recognizes the file and executes it.
- if try this with the same setup but another rooted device, i success.


问:
My phone has a touch/pointing bug
I bought a new phone the other day and I noticed I can't deactivate an alarm from the Clock app, when I pressed the pink checkbox, it would not check. But this happens only for the top alarm, the other ones that are below the first one, work fine.

I started searching Google for a "touch" bug and the only thing that was a little helpful in my situation was finding the option to show the pointing circle on each touch. This allowed me to provide the next screenshot:

click screenshot for larger variant

So, when I try to press on something, say the checkbox on the first alarm, the device actually thinks I'm pointing in 2 directions at one, one above and one below.

Can somebody, please, provide me with some clearance on this issue? It's really annoying, given that the phone is brand new.

Title: My phone has a touch/pointing bug


问:
Android WebView upgrade/degrade issues
I'm using an Android application utilizing system WebView. After Android OTA upgrade up to 6.0.1, WebView's major version was 47. As far as I have had some issues with this version (specifically, webview sporadically hangs, and there is a similar issue logged - Android WebView stops loading pages), I decided to look for a fix.

According to WebView beta community, there was available more recent release of 47 major version (47.0.2526.99) than I have had (I do not remember my former minor version exactly, but it was older than 47.0.2526.99). Then I decided to try to update webview in Google Play. Indeed it shown me that an update is available for System WebView and I made the update.

As a result I received "newer" WebView with major version 46! This is just illogical to me. So I'd like to know: how is it possible to receive version updates which are downgrades in reality?

Unfortunately, in this "new" version I encountered another bug similar to what described in this issue ('javascript:' urls not working). So I'd like to make a rollback to my previous version. I noticed a menu in Google Play that says something about uninstalling the update for the webview. I clicked it, and as a result, I'm currently have webview with version 44!

Isn't this a mess? Shouldn't they prompt the user about exact version he will receive?

So the main question is: how one can ensure upgrade to the latest stable (or, at least, specified) version? If Google Play can provide outdated versions and even do not check if the device's already installed version is newer and overwrites it silently, then I just don't know what to think. Specifically I'd like to get the mentioned latest stable major version 47.

The 3-rd and the last question about the beta channel is voided now. It was absolutely unclear from the WebView Beta Community site, if stable WebView and beta WebView can live on the same device side by side, and if it is so, then how to embed one or another into an application. The answer is that installation of beta version means that the stable WebView will be replaced completely with the beta. This affects all applications using WebView, and this is definitely not how Chrome beta channel works (Chrome beta can work in parallel with stable versions and they do not interfere each other).

ContentLicense: CC BY-SA 4.0

Title: Android WebView upgrade/degrade issues


问:
Mapping a key for calling the recent apps list
I have a new Nubia phone. After I installed Google Now, it overwrote the middle key long tap so that it shows the Now screen but I became unable to switch between recent apps. Moreover, the apps like Switchr cannot show recent apps since Android 5.0. How can I remap the button or call the recent apps screen any other way?</p>


问:
wi-fi fails for a few days then starts working again
Several times over the past year the wi-fi failed then, after about 5 day, it started working again.

How to diagnose the problem?

resetting the phone's software restores the wi-fi connection

wi-fi icon says it is connected but it is unable to connect to the internet.

Connecting to the router IP address times out. All attempts to connect to the internet via wifi time out, as far as I can tell.

connecting to the wi-fi with other devices works fine

wi-fi routers are visible

Android version 4.2.2

Ideas?


问:
Merge Whisper c.db
Long story short I had to fully reformat my OnePlus One and when I restored Whisper from backup, the app no longer throws notifications to the status bar and the notification LED no longer lights on new activity.  Other apps work fine.

As a test, I uninstalled Whisper and re-installed it.  That time status bar notifications displayed.

Is there an easy way to merge an Android DB?  Some of the available SQL Lite tools don't list merging as a feature.

Title: Merge Whisper c.db


问:
Can you install Android TV onto other devices?
I was wondering if it is possible to install Android TV on either the GameStick, Ouya, Mad Catz M.O.J.O, or any other device like that in order to breathe new life into these devices. </p>


问:
How are internal components of Android tested before releasing?
How are the internal components of Android such as Zygote and Binder tested before being released?

I tried looking around for answers to this but most resources (blog posts and research papers) I could find dealt mostly with Android application testing and/or verification techniques for Android applications and not the system itself.

A (somewhat) related official information I found was Android Compatibility Test Suite(CTS). I suppose this is aimed at hardware vendors who customize AOSP code for their devices. CTS performs high level compatibility checks from user applications only but not all code of internal components is tested.

If there are no publicly known techniques currently being used in Android, are there any known techniques proposed for other operating systems which would be applicable for Android?

I am working on replacing some components of Android entirely and looking for efficient ways to test them (correctness, compatibility, security and more perhaps).

Edit: It is sufficient for me to know how internal components of Android such as Zygote and Binder are tested when changes are made to them. Since they are internal components, the testing could be very likely automated. Also, I am hoping to replacing these components with functionally equivalent code so these tests will help establish that no critical functionality has been affected.


问:
Generic Chinese Tablet Stuck On "Erasing" Screen During Factory Reset
My generic Yuntab Q88 chinese tablet is stuck on the "Erasing" screen during factory reset. I don't know what to do because, I am a complete N00B at this. :/ What can I do? I can fix the Windows OS, but I can't fix the Android OS. I don't know how to fix this. I would really appricate Answers to my problem. The Android Version is 4.1.1 Kitkat.


问:
Need direction on best course of action with an lg16c with Kitkat
I have recently started teaching myself Android systems, and I'm not sure if I bricked or what happened. Now I could seriously use some direction as to the best course of action.

Somewhere in the process of rooting, uninstalling, and tinkering, I lost the ability to use my on screen keyboard. Apps menu showed the keyboard as still working but it was and is unuseable  I got the bright idea to try factory reset, as I wasn't using ADB at the time  Now the phone is formatted but I can't get to menu to turn on developer options for usb debugging mode

The touch screen is still operational but the keyboard isn't functional so I can't even get past the initial setup screen.
Please someone, take pity on my stupidity and woeful ignorance. Any advice would be welcome. Its an LG L16C with kitkat
Oh yeah, before I had any idea what was what, I backed my phone up and then transferred the file to my pc. I haven't inspected the file as I have been tied up reading every piece of available literature on how to use ADB/SDK and trying to setup remote viewing/pc control and other such things.  Is it going to be possible to learn something from this other than don't make that mistake again?


问:
What does a lock icon on a contact mean?
One of the contacts in my list has a little lock symbol on it. What does it mean?

Android version: 4.1


问:
Device boots normally, but cannot enter recovery or fastboot
I have secondhand Vodafone Smart Tab 4G. It seems to me that previous owner messed something up.

The device boots normally but I cannot enter either bootloader, fastboot, or recovery. I have tried HW combinations, RebootManager software, and ADB commands. I would like to restore the device to factory defaults, but I have no idea how to do that.

I can connect by ADB:

```<code>~ $ adb devices
List of devices attached
1b54ef6a    device
</code>```

But if I try either adb reboot bootloader, or adb reboot recovery, the device hangs on "Powered by Android" logo. If I try adb reboot fastboot it just normally reboots.

Trying to restore factory defaults from settings or running system update, the device reboots and hangs on "Powered by Android" logo.

Also the device is rooted.


问:
Upload explorer error
I am trying to upload some files from my phone to a few sites.
Unfortunately, the file explorer doesn't show the files in any of the following lists... Recent, downloads, etc

The files are in the download folder but are not being displayed.

How do you refresh the file explorer so that the files are shown, and can be uploaded??

Title: Upload explorer error


问:
Unable to find the vendor of my android tablet
I have salvaged an android tablet from my cousin's drawer and it has not been opened for one years, I guess. It's still running in Jelly Bean. I googled for it's vendor, but I can't find any. I could not find any config details or anything. I wanted to do some root level work on this tab.

The model number behind it is ACEPad D732. Just want to know the vendor name
Thanks for your help guys.


问:
Run Android OS in a virtual machine on PC
I was trying to set up a virtual machine of Android 5.0 and it didn't work out that well. I got the ISO and Virtual Box. I created a virtual machine in VB and I selected the ISO and powered on the VM in Virtual Box. It loads and then it reboots. The Android OS just keeps loading and rebooting all the time. Please note I was able to run all the previous Android versions successfully on a VM with no errors.

How can I get Android 5.0 to work in a Virtual Box VM?


问:
Change color theme when battery saver mode is active
I'm using a Nexus 5 with stock ROM. When the battery saver mode activates, the notification and navigation bar's color turn to a bright orange. I find this color very distracting.

Is it possible to change the color?


问:
LG-G3 Smart Keyboard?
On the LG-G3, we can easily adjust the portrait keyboard like so:

But, despite looking for many hours for some sort of setting, I can't seem to find a way to increase the size of the landscape keyboard mode, which is clearly too small:

Is there anyway to change the height of that keyboard?

Thanks so much,

Ruchir

Title: LG-G3 Smart Keyboard?


问:
Convert Android File Transfer to USB Removable Device in Lollipop
I have a ASUS Zenfone2 Laser 500KL whose configuration are 8Gb Internal, 2gb RAM, QuadCore Processor and Android Lollipop 5.0. For some days, i am using the phone but i don't like the file transfer system from phone to PC by USB. Some folders doesn't appear when i open it on Windows but appears on phone when i access. It also appear when i connect SD card by Card Reader to the PC B but not by this file system.

When i connect the phone to PC in MyComputer this appears.

Here to my question, i want to convert Portable Media Player to USB Mass Storage Removable Device by disabling this PC Suite and showing Portable Device. Can anyone help me how to do so?


问:
How to edit splash.img which displays the boot logo in Snapdragon chipset devices?
As far as I know, most devices powered by Snapdragon Chipsets stores the boot logo (splash screen that shows up when device is switched ON) in a partition named 'splash' which contains splash.img

Is there a way to edit the splash.img file or create a new one?

Additional Info:

It seems there is some script/software for HTC phones to edit the splash image, but it seems it will set the image (picture) resolution to that of HTC phone's resolution.

My device is: Yu Yuphoria


问:
Create sdcard0 symlink on 6.0.1 for WhatsApp compatibility
I recently switched from a Galaxy S2 running CM 10.2 (Android 4.3.1) to a Nexus 5 running 6.0.1 (stock rooted).

My goal was to migrate all my WhatsApp data (history, media, etc.) over to the new device. Restoring the history was no problem using WhatsApp's builtin backup/restore functionality.
I then proceeded to copy all the .../WhatsApp/Media/ folders over to the new phone, however, I still got an error message stating that the file could not be found when trying to open any (old) received images or videos from within WhatsApp.

Upon further investigation, it seems like WhatsApp is (or was?) storing the absolute path to every individual media file in its database, e.g. on my S2: /storage/sdcard0/WhatsApp/Media/WhatsApp Images/IMG-20140813-WA0020.jpg

It just so happens that the /storage/sdcard0 symlink doesn't exist on my Nexus 5 and hence WhatsApp can't access older files since the links are broken.

So I figured all I needed to do was create the /storage/sdcard0 symlink, like this:

```<code>ln -s /sdcard /storage/sdcard0
</code>```

Confirmation:

```<code>root@hammerhead:/ # ls -l /storage
drwx--x--x root     sdcard_rw          1970-07-07 17:59 emulated
lrwxrwxrwx root     root              2015-12-30 16:26 sdcard0 -> /sdcard
drwxr-xr-x root     root              1970-07-09 08:57 self
</code>```

Unfortunately, WhatsApp still couldn't access my old media files (not to mention that the symlink was gone after a reboot).

What am I doing wrong?

Thanks!

EDIT:
I did some more testing and noticed that the /storage/sdcard0 symlink is still there in versions prior to Marshmallow (I tested factory images of 5.0, 5.0.1 and 5.1.1 plus a friend's N5 running 4.4.4).

For now I have downgraded to 5.1.1 (with an intact /storage/sdcard0 symlink) and my old WhatsApp media now works as expected.

It's still very odd that the symlink didn't exist/work on 6.x though.


问:
How do I use external web camera though USB OTG on Huawei Honor 6?
Built-in kernel does not come with USB Video support and when using sideloaded uvcvideo.ko the camera works very bad (image is distorted, the device often crash). I can barely get even single 160x120 frames.

FFmpeg says [video4linux2,v4l2 @ 0xa57320] The v4l2 frame is 32712 bytes, but 38400 bytes are expected (the bigger frame size, the sooner).

dmesg says something like [ 1610.497185] [7168.0, ffmpeg] cma: dma_alloc_from_contiguous(cma e44c14c0, count 10, align 4).

I tried various quirks parameters for the uvcvideo.ko module, but nothing helps.

How do I make use of external USB camera on my device? Are there any patches/hackes available?


问:
Change the swipe-up options on the Lollipop lockscreen?
I went back to Lollipop from Marshmallow recently and I miss having the ability to swipe up from the left of the screen to get right into Google Now voice search. Is there any way to change (with root perhaps?) the phone shortcut to the voice search shortcut on Lollipop?</p>


问:
Cannot write to /storage/emulated/0 after nandroid restore (even as root)
On  my rooted Motorola Moto G 2014 LTE I can no longer access the directories under /storage/emulated/0/, such as Download, Documents, Ringtones.

Using a file explorer, without root access, I just get access denied when trying to open the folder; with root access, I can open the folder but I am unable to write in it. Folder permissions seems ok (770, owned by root and group sdcard_r).

Using a terminal emulator, trying to do an ll inside the folder (as root) returns opendir failed, Permission denied.

What I did prior to the problem was:

unlock the bootloader, install TRWP recovery

root

install various apps (including Link2SD to move some apps to the SD card)

perform a nandroid backup

trying to flash Xposed: I had some issues here after reboot, so I restored the nandroid backup

Another thing to notice: after the nandroid restore, an app installed before making the backup (FX File explorer) was missing.

EDIT: I solved with a full wipe (not just factory reset) and restoring again the previous backup.


问:
Is it possible to programmatically disable TalkBack's *explore by touch* option?
Some applications cannot function properly when TalkBack's explore by touch option is active, but permanently disabling it isn't a viable alternative because not having it on would make using a touchscreen much more difficult for a blind person.

Temporarily disabling TalkBack through a short-cut is a decent work-around, but it becomes annoying pretty quickly when the problematic app is used often and for short periods of time, e.g. a braille keyboard.

Therefore I'm looking for a programmatic solution, for example a deamon configurable through a blacklist: whenever an application from the list is in foreground, the daemon disables explore by touch, and re-enables it as soon as an application not on the list comes to foreground. Disabling TalkBack tout court would do, too, if explore by touch cannot be disabled without restarting TalkBack.

So... does this exist already? If not, how hard would it be to implement it, if at all possible?


问:
Upgrade Sony Xperia M Dual C2005 to Lollipop CM12
want to upgrade my Android OS from Jellybean 4.3 to Lollipop but unfortunately Sony has ended it's support for my phone, Sony Xperia M Dual-SIM C2005. I've searched in google about Sony Xperia M upgrade to Lollipop but the result always for single-SIM. My question is can I still upgrade my phone (Sony Xperia M Dual C2005)? If I can, how? Do I have to format all internal memory and can't be backed up?

Thanks


问:
How can my applications be using a total of 1.44 TB?
I have a Samsung S4 16 GB with android 5.0 stock ROM, and when I check my user data it says that my programs are using up 1.44 TB. How can this even be possible?

Screen shot:


问:
Unlock Phone without the Screen (neither seeing anything nor touch is possible) or USB-Debugging
I have a problem with my mothers Samsung Galaxy S3. The Screen is completly dark and it seems like the phone doesn't react to touches.
There are pictures and contacts at the internal storage, wich are needed.

The Phone isn't rooted, the USB-Debugging is disabled, adb doesn't recognize the device and now i don't know what to do. I can't use a remote device like a mouse to unlock it, since i can't see where the mouse is.

I'm an IT student so feel free to use technical terms :)


问:
Flash stock ROM on Amlogic Android Smart TV Box
I have a Amlogic S805 Quad Core TV Box - which went "south" on me during a ROM update. I tried to reset it, but then noticed the reset button had come away from the internals. I managed to get it to the flash screen via SD Card, but it says it - "cannot be mounted, as the folders do not exist".

How can I put the Android ROM onto the flash drive of this box - tried to connect via a USB lead - but my PC will not pick up the box at all.


问:
How to sync facebook events with my android 2.3.4 calendar?
I'm trying to sync my facebook events with my android calendar. The goal is to have an automatic sync between facebook events and 'some' account that is usable by android 2.3.4 account management. I choose google account as the most known to me.

My plan was to:

1. sync facebook calendar with google calendar using 'ical' (https://www.facebook.com/help/152652248136178 and https://support.google.com/calendar/answer/37100?hl=en)

2. sync the google account with my android device so I have access to the google's calendar.

Unfortunately the facebook > google sync doesn't work and I get "We could not parse the calendar at the URL requested." error message. Changing 'webcal' prefix into 'http' or 'https' doesn't help. I tried to import my facebook event into other calendar (thunderbird's lightning) and it worked without any problems. I also tried to export the calendar into ical file (.ics) and import it (from file, not from url like previously) and it worked. It displayed my facebook events in my google calendar, but as I understand this is on-time-action and this won't sync.

Some other information that might be useful:

- android 2.3.4 doesn't support google calendar app, I'm using the 'default' one

- I can't upgrade my android

- the default facebook app is too clunky and I'm using the lite version, but I can't find any calendar option there

- I'm ok with using other apps to make the sync working

- I'm not ok with daily manual sync.

Do you know how to sync facebook events with my android calendar?


问:
Home Automation Apps for Android - what is important to consider?
I want to start using my Android phone for home automation. As a starting point, I want set a lamp to turn-on shortly after my alarm-clock goes off. Having heard that there are outlets that can be controlled from your phone, I stumbled across this page which lists a bunch of them and now I am overwhelmed by the multitude of options. From this question, I see that there is also a multitude of software options.

I looked a little more closely at Belkin's WeMo which seemed a good harmony of cheap and functional but was discouraged when I noticed that there are so many negative reviews. There seem to be a number of independent apps for controlling WeMo and most have better reviews than the official one.

My question is this: what should I consider when choosing an app for home automation? Obviously, its important that the app can successfully interact with the hardware and its nice when apps don't mine your data but I am not at all clear on other considerations that are important for choosing one. I am pretty new to Android (and smart phones in general) so general-purpose considerations are welcome but I am primarily interested in home-automation specific considerations.

Any feedback on hardware is also appreciated - I am thinking of getting a WeMo outlet or a cheap Chinese knock-off; as long as it will let me control an outlet remotely as well as based on the time of day.

My phone is a Samsung Galaxy S6 running Android 5.1.1


问:
Moto G auto lock issue
I have set the auto lock for my Moto G if it stays idle for 15 seconds.unfortunately this is feature is not working. I have tired changing the idle time as well, like 5 seconds ,30 secs etc, but nothing works.</p>

Title: Moto G auto lock issue


问:
How can I have the old CRT effect run properly on Kitkat?
I'm using a rooted MT6592 phone, running Android 4.4.2 (Kitkat). It's loaded with the Xposed Framework along with Gravitybox. In Gravitybox there's a setting to have a CRT effect when the screen is locked:

Gravitybox → Display tweaks → CRT screen off effect → CRT

I used this effect back in the days when I had a Gingerbread device. It used to be very smooth. The CRT effect I have right now is a bit disappointing though. It's not as smooth and there seems to be a small delay after locking the screen before the CRT off effect is activated. Moreover, there's a black screen before activating the CRT effect. So, what happens is:

I press the lock screen button

The screen goes black, waits a couple of ms

The CRT effect starts.

I recorded a video to clarify this behaviour.

It's very subtle but there's definitely a difference. For comparison, this is what it used to look like. You can see that the screen does not go black before activating the CRT effect; it's activated instantly.

I followed the steps written in this post, but that didn't help.


问:
Accessing the top bar in Android Google docs without scrolling to top
When editing a Google document on Android using the Google Drive app, there is a bar which contains a number of touch buttons for formatting, sharing, comments, etc.

However this bar only seems to display by default when at the very top of the document, or after scrolling up (away from the thing I am editing), which becomes a pain as a document gets larger. Is there some way to access these options from anywhere within the document?


问:
How can I make incremental nandroid backups?
I'm using PhilZ Touch 6.57.9 with ClockworkMod 6.0.5.1 on a MT6592 device. I'm creating backups every once in a while from my phone to my 16-GB SD card.

These SD cards tend to get full pretty fast, so I'm wondering if there's a way to create incremental backups. It would be nice if it's possible using PhilZ .


问:
Fix SELinux labels after restoring /data on CM 12.1
I restored an automatic backup on Cyanogenmod 12.1 created with rsync of my /data partition, but now SELinux is denying apps access to their data.

Disabling SELinux "fixes" this problem, but can I repair the SELinux labels once after restoring and keep SELinux enforced?


问:
How do I change timer alarm tone in Samsung Galaxy S6 Edge +?
I upgraded from Galaxy Mega to Galaxy S6 Edge +.

There is no menu button. In Galaxy Mega, part of the menu contains changing the timer alarm tone.

How do I do that in S6 Edge +?

Galaxy mega has option in timer to change tone. This does not seem to be allowed in s6e+

Screenshots (click images for larger variants)


问:
Xperia L C2105: Wifi not turning on after installing Android 5.1.1
I have installed latest Android 5.1.1 from the website https://download.cyanogenmod.org/?device=taoshan. I have done this with the help of the following steps.

Unlocked the phone and root it with the help of flash tool before it I have latest stock ROM installed on my phone.

Using flash tool I flashes the CWD recovery.

Downloaded the ROM from the website mentioned before and copied to SD Card.

Rebooted the phone and by press volume + goes to CWD recovery.

From recovery menu I did "Wipe data/factory reset", "Wipe Cache partition" and "Wipe delvik cache".

From recovery menu I select "install from zip"->"install zip from SD Card" and then selected the ROM zip file.

I Also installed gapps zip file after. Both are installed successfully.

Rebooted the phone and the apps installation completed.

Blue-tooth, Camera, mobile data and all others apps working good. Also the speed of my phone greatly improves and the phone memory shortage issue solved. The only issue I have is the Wifi and hotspot is not turning on at all.

I have tried 5.0 and previous versions of 5.1.1 also some unofficial versions by repeating the same steps (2-8) but having the same issue. Any idea what I done wrong?


问:
"Google Play Services which some of your applications rely on is not supported by your device"
My mobile is Micromax Canvas Fun A63 (rooted using framaroot). After 1 month of rooting, one day it showed me this:

Google Play Services which some of your applications rely on is not supported by your devices, please contact manufacturer for assistance.

Steps I have taken:

Format my mobile

Change my custom ROM to Cyanogen x invinity (from XDA website)

Installed Gapps version 20130812, but now it's showing me that I don't have the Play Services installed.

Tried to install it from Google Play Store but it never got installed

Manually tried to install with Lucky Patcher, but it says there are some files remain which have to be deleted.

How to fix this issue?


问:
Push notification over my phone dosen't work in my home only
I have an android phone that doesn't notify me with any events and or updates whatever it is in my home only. while when I use the "Data Connection" over 3G or when I use any open WiFi it notify me simply with no problem at all.

I thought it is a modem Issue. my modem is a Dlink modem and I tried to restart it but still facing this problem

Any Idea will be so greatfull.

Edited Information:
My phone is Infinix zero 2 running Android 4.4.2


问:
How to boot the GUI so that one single application is launched as part of it?
I would like to reuse an older Android phone as a digital controller for some applications. It would basically be a browser (or webkit) running full screen (which would display some buttons via javascript which in turn would interact with a backend API).

I have a similar (non-touch, display only) solution on Linux where I start at the end of the boot process xinit /path/to/xinit/config, where /path/to/xinit/config opens the browser full screen. Before xinit there is no concept of GUI, xinit starts the graphics core and then runs one single application (the browser). /path/to/xinit/config, before launching the browser at the end, does some logistical (non-GUI) tasks.

Is this a scenario which is replicable on Android? I would like to ensure that the only graphical element running is the browser (including the notification area, launcher, ...).

In other words: is it possible to boot Android into a "headless" (console) mode, and then start the GUI core with just one application?

Note: this is different from a classical "kiosk mode" where one tries to lock out users from accessing other elements of the GUI via an app. I do not have any security/usability considerations as this simple display will run in a safe environment.

EDIT: as pointed out by @Firelord, there were other similar questions but I feel they deal more with a classical kiosk mode than with the separation of the console vs GUI mode.


问:
Is there a way to disable all functionality on the lock screen?
I have a Nexus 6, and have noticed that even on the lock screen, there are still things you can do besides enter the passcode.

You can turn the wifi/bluetooth and airplane mode on/off, use the torch, use the camera, turn the phone off.

I don't want to be able to do any of this. The only functionality I want on the lock screen is to be able to enter the passcode to unlock.

In the instance my phone is stolen, I want my phone to remain on, and online, for as long as possible.

Is this possible?

Thanks


问:
Any chance to unbrick relocked HTC One M7 with S-on and a old copy of the RUU.zip

Background

After 1 year of use,  the most recent OTA to my HTC One rendered several key features,  including the notification bar and the home and back buttons, unusable , effectively soft-bricking my phone. Although it was still under warranty, I decided to fix the matter myself,  and also try a custom ROM. Unfortunately, I was unable to make a backup with ADB,  because that was one of the functions the OTA update rendered unusable.

First,  I tried a few factory resets,  to no avail. I decided more drastic measures were needed and unlocked my bootloader using the instructions at HTC Dev and installed a custom recovery, ClockworkMod Touch.

I then tried to flash a new ROM, the newest snapshot release of CyanogenMod, via ADB sideload. Unfortunately, I was not aware of the need to change the CID,  and thus rendered main ROM completely non-functional. Around this time,  ADB also ceased to function in recovery, and my device was no longer detected.

A week or so later,  I flashed a different recovery, TWRP and again flashed it with fastboot. This restored ADB functionality, however,  ADB still failed to detect my device in sideload mode, which caused me to be unable to use the Guru Reset tool I managed to download. I then searched for and found a RUU.zip for my CID, VODAP021, at XDA forums. I then tried to flash it. I re-locked the bootloader and tried to flash it with

```<code>fastboot flash zip RUU.zip
</code>```

after putting the phone in RUU mode, which returned

```<code>load_file: could not allocate (filesize) bytes
</code>```

presumably because 1.5 GiB was too much to handle.

My question

Is there and hope of unbricking my phone (HTC M7_ul) now that I can't access recovery or normal ROM, and have a relocked bootloader with S-On? If so how,  and if not,  what do you suggest I do with it?


问:
Samsung galaxy ace s5830 in boot loop and usb download doesn't work
I have a Samsung Galaxy Ace s3850 which had a problem with the wifi connection. As described on many forums the solution is to root the phone and then enter a code into the phone. It is needed to reload the wifi driver and is explained here

Needless to say driver loading was unsuccessful after rooting and entering various code combinations. The phone has always been low on space and having recently found how useful link2sd was as well as the possibility to have a custom rom which increases performance I tried this route.

On this page they describe how this could be done on my phone:

I tried following the steps exactly, except that there was never an option to clear dalvic-cache (no advanced settings) on the phones recovery menu. Also, the phone needs the home+start combination to go into recovery, not volume(up)+home+start (which takes one to the quick download I think).

It seemed to go well except that on reboot it didn’t go out of the Samsung logo screen after about 20 minutes. I read that this is too long and thus took out the battery and restarted. This didn’t help and the loop continues.

I thus tried to restore the factory stock rom using odin but every time I set the phone to download mode (volume(down)+home+start) the yellow download text comes up but windows comes up with usb device not recognised. The usb drive worked well before this when I needed to upload the google apps and custom rom file to sdcard as required before upgrading to custom rom. I even tried kies software (also removed kies from tasks when trying odin again so as to not clash).

I also tried various other custom roms to see if this does the trick but every time I go into recovery mode I get the following screen text:

Android system recovery <3e>

Reboot system now.

Applying update from sdcard

Wipe data/factory reset

Wipe cache partition

Test redbend

…….Green icon……

-- Appling Muti-CSC –

E:failed to mount  /system (Invalid argument)

When I select “wipe data/factory reset” I get:

-- Wiping data…

Formatting /data…

E:format_volume: rfs format failed on /dev/stl13

Formatting /cache…

E:format_volume: rfs format failed on /dev/stl14

Data wipe complete.

When I select “wipe cache partition” I get:

-- Wiping cache…

Formatting /cache…

E:format_volume: rfs format failed on /dev/stl14

Cache wipe complete.

Rebooting goes into the same logo loop screen.

Now I am stuck with a phone which I suppose could be called a tile (not brick, its too small for that). Any help would be much appreciated.


问:
How can I enable/add USB OTG support to my rooted and Cyanogenmod installed Huewei Honor 4x?
I have tried stickmount but did not succeed in getting otg mounted. I basically want to use wireless mouse or keyboard. I think the kernel that is installed presently does not support otg. What is the way to add otg support like patching kernel and procedure needs to be followed? </p>


问:
forward sms to new number on the same phone
I have an unlocked Samsung Galaxy S4 running Android 4.4.4. I am switching phone service providers from T-Mobile to Ting wireless. is there a way that phone calls and (more importantly) text messages can be forwarded to my new number?</p>


问:
Speaker sound plays for a few seconds then static sound and stops
I am using my oneplus one phone - I originally bought it on cyanogenmod 11 but instantly upgraded to cyanogenmod 12
I notices that the issues was happening (the issue is specifically that when playing any app sounds - literally any thing apart from touch sounds - then the sound plays out of the speakers for a few seconds then makes a staticy sound and clicks then goes off. After this even touch sounds turn off - eventually they come back on, after locking the screen or rebooting - but as soon as you play any other sound the bug happens again) and when I noticed it was happening I tried turning off profiles, changing interruption settings so it never happens, adjusting volume levels, clearing app cache, system restore then flashed a new ROM onto it (oxygenOS) and that worked for a little bit but now the bug is back and I have tried all the other fixes I tried before - even booting to TWRP recovery and wiping cache and dalvik.
I have rooted my phone so I could get TWRP.

Can anyone help? Any suggestions? Anyone experienced anything similar?

EDIT: it could be volume related - it seems to be alright as long as the volume is under just over half way, kind of, my alarm increases volume gradually (reaching max in 15 seconds) and I changed it so it reached max in 30 seconds and the sound lasted longer before glitching and cutting out. As well as opening a youtube video at low media volume and gradually increasing volume until it got high enough to glitch out again.

Any suggestions are welcome as I'm not absolutely sure it's anything to do with volume.

I am relatively sure it's software as it does work now and again (but then goes again!)


问:
Store /data and /cache in sd card
I've been googling the whole day for an answer and it has been frustrating to see how many people write with confidence incompetent solutions.

Many say to mount /dev/block/mmcblk0p8 or /dev/block/mmcblk0p12 in a directory in the sd card, not realizing that data is still stored in the internal memory (if this last statement is wrong then the incompetent one is myself).

What I would like to achieve is to stop Android from writing the internal storage, prolonging that way its lifespan.

There are applications out there to move some app data or some cache to sd card, for some reason no application to move the whole lot.

Any change should also persist at boot/reboot.
I've tried to modify /fstab.smdk4x12 file replacing the partition for /data with an ext4 partition in sd card. After reboot /fstab.smdk4x12 was restored to its original settings.

Any help will be appreciated, thanks :-)

Title: Store /data and /cache in sd card


问:
how to re-enable Media Device (MTP) for USB PC Connection Samsung Galaxy s2
I cant connect my phone the normal way it used to be on PCs where i used SU command on ADB shell to access system files of my phone. I'm just guessing that the phone is storing the identity of the PC where SU is used. Can i just delete files or modify settings so i can access my files thru MTP again?


问:
RO Valkyrie on Genymotion virtual device always says it has stopped
I use samsung galaxy s4 4.4.4 virtual device on Genymotion. Already have gapps and updated it. Clash of Clans works fine but RO Valykyrie always says it has stopped. Someone knows how to fix it. Thanks in advance.</p>


问:
Convert to system app by manually moving the APK to "system/app" folder in Lollipop
I was checking /system/app folder structure in Android L and realized that it has a new folder structure. It has introduced a new folder with APK name between app folder and the APK, e.g. /system/app/test/test.apk

If I want to install test.apk as a system app, how can I install it without installing it via "User app"? Can I just copy and paste test.apk from /sdcard to /system/app folder and give desired permission?


问:
Here maps - Am I able to search for business using offline map data?
as title.

I want to know if I can still search for business and not just street data while offline. For those instances when I'm out of coverage. Thanks :)


问:
Android OS using around 500MB of RAM, is that normal?
I have a Nexus 5X, and was checking my memory use, as the phone is a tad slow at certain points, and it seems that the process "Android OS" consistently uses aroudn 500MB of RAM. Is that about a normal level, or is there anything I can do to improve this?

Also, Android System is my next highest offender, sitting at aroudn 150MB.


问:
How to restore SMS from adb backup file without root
Similar question to this one:

I have an ANDROID BACKUP file containing SMS history, produced from phone A using adb. That phone is gone, and this file is the only record I have of that history.

I have another phone B, to which I would like to restore that SMS data, without rooting the phone.

I know that an adb restore of SMS data is not possible without root, and I'd be perfectly happy to have an app-based solution. Unfortunately, all of the SMS backup/restore apps I've found so far use their own file format. Is there one that will restore from adb-created ANDROID BACKUP / .ab files?


问:
Cant copy files via USB onto Moto G after cyanogenmod installation
I have just flashed my Moto G 2013 and it is working fine, but when I connect it to my PC it opens up as an empty folder. The name of the phone is there and when I click on it...it is all empty. None of the folders show up and this is slightly weird. I tried to copy an mp3 anyway and it says "cant write to this location".

Any ideas what is causing this behaviour?


问:
Transfering MMS messes up group chats
I've tried three different tools, "My Backup Pro", "Easy Backup & Restore", and the backup/restore feature of "GO SMS Pro" to transfer my texts from one Android phone to a new one.

Regardless of what I use, after I've restored the backup to the new phone, all the restored messages within a group chat have been split up:

When I go to a group thread, it only shows the messages I sent. And the group chat texts other people sent get erroneously placed in the individual chat threads instead of the group chat.

Not sure if it matters, but the old phone is Android 4.1.2, and the new one is 5.1.1. Both are Samsung.

How can I transfer group chats without them getting messed up?

UPDATE: I tried using "Titanium Backup" but the results were...weird. When I use that, then "GO SMS Pro" finally reads the data correctly, BUT it can no longer send/receive texts at all and Android's built-in messaging app will immediately crash every time I try to run it. This is getting REALLY frustrating, nothing is working for what should be a trivial, basic function.

UPDATE 2: Found Samsung's "Smart Switch" app which worked corectly.

Title: Transfering MMS messes up group chats


问:
My Mobile data switch is missing from my main Settings screen. How do I get it back?
I used to have 4 toggle switches right on my main Settings screen: Airplane mode, WiFi, Bluetooth, and Mobile data. Now the Mobile data switch is gone, and I don't know where it went. It's been several months since I upgraded my Verizon LG Transpyre from Kit Kat to Lollipop, and I just noticed the difference yesterday. What happened to the menu item, and how do I go about getting it back?</p>


问:
What results in blank net.hostname property on Android device using ADB?
Referring to https://superuser.com/questions/408539/how-to-set-friendly-network-name-of-android-computer/1022739#1022739

You can check the device's hostname with net.hostname property (no root needed supposedly) but for setting it to take effect, needs rooting.

My question is, in what cases would result in blank net.hostname?

I noticed that on (GSM) AT&T Moto E (2nd Gen), net.hostname has a value. But on (CDMA) Sprint Moto E (2nd Gen), net.hostname value is blank when I fetch it via ADB. Both run Android 5.1, and both have their SIM cards removed, and the Sprint phones are not unlocked nor activated but the AT&T ones are. Not sure if those make any difference.

I would assume all Android devices should have a net.hostname. Unless for those with that property blank, the device pulls/uses hostname from somewhere else. I just checked on the router/access point side, and found the hostnames for these devices with blank net.hostname. Just wonder where to fetch hostname on the device side then via ADB, etc. for these problem devices.


问:
Chrome not loading tabs
I have Moto G3 XT1541 on stock Lollipop 5.1.1 and sometime tabs won't load. I just get stuck on this

Usually, I just have to close the tab and reopen it and it will work but it's quite annoying

Title: Chrome not loading tabs


问:
Copying WeChat Sight Videos from S4
I use the WeChat messenging application on my Samsung Galaxy S4 Black Edition (GT-I9515). Among its features, users can send short videos as so-called Sights.

I am trying to copy these videos to my PC.

I have found some hints that ultimately have not helped me yet:

/tencent/MicroMsg/WeChat/ contains JPEG images of all the photos sent via WeChat messages, but no according video files for the video messages.

This website claims that videos are saved as MP4 files in the path mnt/extSdCard/Tencent/MicroMsg if an SD card is installed, but doesn't say anything about phones where no additional SD card has been installed (like mine). Evidently, the videos must still be saved somewhere, as I can access them without a network connection. Moreover, the website says "It varies depending on the phone model you use.", which makes me suspect my question is specific to S4s (and maybe a few other models), rather than generic for all Android uses of WeChat (hence the samsung-galaxy-s4 tag).

Even so, after installing an additional SD card, WeChat apparently keeps saving any recorded or received data to the internal memory. There is no Tencent subdirectory in mnt/extSdCard, as far as I can tell.

/tencent/MicroMsg/*long number*/video/ seems to contain JPEG thumbnails of the videos, but not the videos themselves.

Title: Copying WeChat Sight Videos from S4


问:
Why cant TWRP boot into recovery mode anymore?
I installed cyanogenmode using TWRP and used my MOTO G 2013 without any issues. Used it all afternoon without major problems (let me add that it is a nightly version) After a few hours I decided to create a backup file and then reboot the phone. Now it is stuck at the logo screen and it wont even let me use the recovery mode. What can be the issue?</p>


问:
Permanently disabling wifi
Nexus 5, rooted running paranoid android.

So my wifi stopped working about 4 months ago, I did ever reset under the sun. Jumped between ROMs all to no avail. Seems hardware related. That's fine I have unlimited data. The problem is that even with no functioning wifi it's trying it's hardest to find a network. Just scanning over and over, never connecting. Problem is I can't turn it off. I click the switch and nothing happens, it just stays on draining my already meager battery.

Title: Permanently disabling wifi


问:
Apple Mac will not see HTC Desire 620 via USB
I have used HYC Sync manager previously but now both this software and double twist will not recognise my HTC Desire 620 when plugged in via USB.I have used both MTP and PTP settings on the phone but still the mac will not allow me to access it. Thoughts please!</p>


问:
Series of application freezes and battery discharging fast after turning on flash in camera once
I have LG Optimus L9 P760, Swift L9 with Android system.

Few days ago I was using my phone camera and turned on "flash" under settings for it (the lamp). When I wanted to take a photo, camera application frozen. I restarted the phone (the lamp is not lighting). I cannot take any photo or video now, application freezes each time I try to run it (I only see the welcome screen).

From that day I experience also:

The standard music player - it starts, shows the title bar and freezes before displaying the songs list (the media explorer shows all the music files).

Battery discharges extremely fast - the phone does not last for even 8 hours on stand by (when I don't use it). And before that day I could use it for 2-3 days without charging.

Both that changes were rapid (before that the battery was working very well for several months).

Phone reset didn't help. Same for putting the battery off and on.

Can it be something related to Android/software? Or is it a hardware problem?

Can I somehow reset the camera/music player (even if I haven't made changes to music player)?


问:
Contacts App in Marshmallow does not pull contacts from all accounts
I have a Moto X Pure Edition running Marshmallow. I have multiple accounts set up such as Messenger, Skype, WhatsApp, Outlook etc. However, even though I have chosen "Show all contacts" option in the Contacts App, the list is only filled with a few Google contacts and Skype contacts. I am unable to see any of the Messenger or Exchange Contacts. If I go to the Outlook app which is synced with the Exchange account, I am able to see the contacts.

I would very much appreciate it if I could get some assistance.

Thanks
SV


问:
Titanium Backup resets my desktop background image when creating a backup
I recently switch from Helium backup to Titanium (still free version) and experience a strange effect:

Each time I run a batch backup of my app data, the background image of my device is reset to the default.

Any idea why? Actually, I'm quite surprised that something is changed during backup.
And what I could do to make Titanium leave the image I selected?

I run CyanogenMod 11 / Android 4.4.4

(BTW: Is there a support forum for titanium somewhere?)


问:
Running a batch backup in Titanium stops my a set alarm on my alarm clock
I recently switch from Helium backup to Titanium (still free version). I tried to use the scheduled backup and experienced a quite annoying effect: I ran the backup at 3am in the night - and my alarm scheduled for the moring was not working.

It seems that titanium stops apps for doing the backup (I think I read this somewhere), and my interpretation is that the alarm clock app cannot exec scheduled alarms once it has been stopped.

Is there a way I can exclude the alarm clock app? In fact, I really don't need a backup of my scheduled alarms ...

I run CyanogenMod 11 / Android 4.4.4


问:
Xperia Z5 Compact not visible in adb
I got two android devices: Nexus 7 and Xperia Z5 Compact. Both of them are easily find by adb on my local computer, but I usually work on my notebook, and here comes the problem. Both my devices couldn't be found. I reinstalled SDK and installed Google USB Drivers. Then I reinstalled drivers of my Nexus to Google drivers and Nexus is visible for ADB. But I cannot do this for Xperia. When I try to update my drivers, it says the best one are already in (MTP USB device).

My OS is Windows 7 on notebook and Windows 10 on local computer.

Any ideas how to make Sony's child visible?

Title: Xperia Z5 Compact not visible in adb


问:
PIE supported ssh server for android 5.1.1
I recently updated my moto E to  android 5.1.1.

When I executed dropbear binaries that used to work well on previous android versions, It showed this error :: only position independent executables(PIE) are supported.

I searched on net to fix this. Replaced linker file with patched one , but did not work.
Searched for PIE supported dropbear binaries but could not find any.

Please give a link for PIE supported ssh server/dropbear or resolve this PIE issue ..


问:
Nexus 5 battery drain - dropping from 50% to zero instantly Marshmallow 6.0.1
I've been having some problems with the WiFi drain issue that some others have posted on here, but yesterday I had a new problem with my battery which may be related but may be entirely different.
My battery was around 50% when the phone suddenly switched off (first time this has ever happened). When I switched it back on, battery was at 1%. I tried to quickly finish what I was doing (Uber app) expecting the phone to turn off again, but it didn't. I looked at the battery and it had gone up to 5%. About 15 mins later it was up to 20% and climbing, as if it was on charge.
Today around the same time it happened again, but I wasn't using Uber.
I can't see how to post screenshots, sorry all new to this forum!</p>


问:
Why are all my pictures gone after EACH reboot?
I was on vacation for two weeks and took a couple of photos with my smartphone camera (Samsung Galaxy S3). When I came back home I connected my smartphone to my computer to copy the photos to a "safe location", however I could not find the pictures on my phone. There were only pictures saved by apps (Telegram&WhatsApp) and very very old pictures.

Actually I also noticed that for some of my Apps (very, very few) the icon was replaced by a ghost symbol and an "SD card" symbol in the corner. If I tap it, it says "application not installed".
After some testing I figured out that I can reinstall these apps and also take new pictures, but they are reproducibly gone after a restart of the phone.

There is no error message at any time except the mentioned "application not installed".

Could my vacation pictures have suvived somewhere? If yes, how can I revover them?

What the hell is going on? Or how can I find out what is going on?

What I tried

When I connect the microSD card with an SD card adapter to my computer and try to access it with dolphin it says:

```<code>An error occurred while accessing '59,5 GiB Removable Media', the system responded: The requested operation has failed: Error mounting /dev/mmcblk0p1 at /media/yankee/45BC-6301: Command-line `mount -t "exfat" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,iocharset=utf8,namecase=0,errors=remount-ro,umask=0077" "/dev/mmcblk0p1" "/media/yankee/45BC-6301"' exited with non-zero exit status 1:
stdout: `FUSE exfat 1.1.0
'
stderr: `WARN: volume was not unmounted cleanly.
ERROR: fsync failed: Input/output error.
'
</code>```

From lspci I know about my card reader:

```<code>b:00.1 SD Host controller: O2 Micro, Inc. OZ600RJ0/OZ900RJ0/OZ600RJS SD/MMC Card Reader Controller (rev 05)
</code>```

It is a built in card reader of my Dell Latitude E6520.

Another "normal" SD card with 128 GB formated with exFat can be used normally with my computer, but nevertheless I found some posts on Google that suggested that the error may as well be connected to some incompatibilities somewhere between card reader, card and driver. However due to lzzy's comment I also tried:

```<code>$ mkdir /tmp/ttt
$ sudo mount -o ro "/dev/mmcblk0p1" "/tmp/ttt"
</code>```

and to my surprise this worked! And to my disappointment my vacation pictures are not available.

To fix this I tried:

```<code>$ sudo fsck.exfat /dev/mmcblk0p1
exfatfsck 1.1.1
WARN: volume was not unmounted cleanly.
Checking file system on /dev/mmcblk0p1.
File system version           1.0
Sector size                 512 bytes
Cluster size                128 KB
Volume size                  59 GB
Used space                   19 GB
Available space              41 GB
Totally 499 directories and 2997 files.
File system checking finished. No errors found.
</code>```

However as we can see here this did not fix anything. Additionally sudo badblocks /dev/mmcblk0p1 completed without any output at all.


问:
Always shows "Local calendar cannot sync with Google calendar. You need a google account."

Possible Duplicate:

  “Local calendar cannot sync with Google calendar…” bur it can? What?

It says this every time I try to make a new event on my new Bell Samsung Galaxy S II, then gives me an option to "Go to account and sync," so I do. I click on my specific account then click "Sync now." Contacts and Gmail complete and the sync circles disappear, but Calendar's stops spinning very quickly, then doesn't move, then disappears a bit later. I go back in to make a new event and the same error appears.

I made a test event, and it appears online when I check from my laptop, but the message still appears every time I make a new event.


问:
Could not create folder. Try reconnecting or restarting your device
I am using a Xperia C4 with Mac OS X Yosemite.

I have Android File Transfer Installed.  It allows me to drag files over and transfer but it won't allow me to create folders or move folders across for transfer.

I have tried entering developer mode, rebooting, restarting device.  Nothing fixes it.  Any ideas why this is happening?


问:
Unlock bootloader on cm12
I'm now having a Samsung Galaxy Superior (GT-I9260) running on cm12.1 downloaded from the cm website. I want to flash it to kali linux now, and it tells me to unlock the bootloader first. After doing some research, I found out that people suggest some commands like adb reboot bootloader and fastboot oem unlock. But I just cant boot into the bootloader, even if I'm booting it from the recovery using the option reboot bootloader. My problem is, is that my bootloader has been unlocked, or I need some other ways to make it work?

Note: I'm currently using a linux computer.

Title: Unlock bootloader on cm12


问:
Windows 8.1 can't access SambaDroid server
I'm trying to set up and smb server using SambaDroid on my HTC One (M7) running Cyanogenmod 12.1 to sync certain folder on my Windows 8.1 laptop. Once the service starts running on my phone, I can see the SambaDroid appear in my networks on my laptop.

If I click it, I see the sdcard folder. However, if I try to open the sdcard folder, a window pops up that says Windows cannot access \\SambaDroid\sdcard. If I try to map the network to a drive I get the same error. Why is this happening and how can I fix it?

Additional details:

My wifi network is on the wifi whitelist.

File sharing is enabled for the wifi network on my laptop.

Both SambaDroid and laptop are connected to the same wifi network.

Under 'Manage Shares' in the app, the sdcard and all its contented show up and have RW access.

In win8.1 in Network and Sharing Center I have allowed file sharing for 40 and 56 bit encryptions (the only other option is allow only 128bit)

Edit: I've seen on some threads that I need to change the local security policy, but this feature of Admin Tools is only available on the pro version of Win 8.1


问:
Disable homescreen auto rotation on rooted stock Xperia Z2?
My rooted Xperia Z2 has the latest stock firmware(23.4.A.1.232) and the Xposed framework. I don't know how or where, but now the homescreen also rotates when tilting the phone and I've not found any setting to change it. I have tried Xblast tools from the Xposed repository, it has an option to change home screen rotation, but that doesn't work either.

Can this be fixed?


问:
Downgrade to official LG GT540 2.1updated
I've installed Android 2.3 (Cyanogen Mod) to my LG GT540 phone, but it's too unstable. I would like to downgrade back to 2.1update (it's the OS I have when I buy the phone), or any official newer version. Where can I get official LG version, and how to install it? Thanks in advanced.</p>


问:
Device confusing internal storage with external storage
Ok! I'm going to try my best to explain this but it will be hard because it's sort of confusing. It's confusing to me in the least so it's hard for me to explain.

Device: Proscan PLT1066

Andriod Version: 4.1 Jelly Bean

A few statements:

My device is showing two internal storages but there is only one.

My device is reading a SD card but I have no SD card mounted in the device.

When mounting my SD card into the device it reads it but it doesn't?

I have two Apps installed.

ES File Explorer

Google Play Games

My ES File Explorer shows only one SD card that is named sdcard0.

sdcard0 - 108.15 MB/4.79 GB

My Apps in my system settings show:

Downloaded - Internal Storage - 752 MB used - 130 MB free

ON SD CARD - SD card storage 108 MB Used - 4.7GB free

What I have posted above is all before I mount my 16GB SD card. After I mount my 16GB SD card it doesn't change much. It shows that the SD card is mounted and how much space it has but once I go back into my App settings it still says

ON SD CARD - SD card storage 108 MB Used - 4.7GB free.

Also when I go into my ES File Explorer it shows the SD card and it is named external_sdcard.

ES File shows: external_sdcard - 8.00 KB/14.71 GB

It's clearly able to read my SD card. Both the device and ES File Explorer can see the SD card perfectly and can read the amount of space I have on the SD card.

Except I can't use the SD card. When I'm try to install an app I get an error "Insufficient Storage". By the amount of space the device has and the amount of space my SD card has I'm pretty sure I have enough storage space to download just about any game. Yet, it won't let me download anything.

I guess to make it simple. There is one internal storage on my device but it's reading two and has mistaken one for the SD card. My device can read that there is a SD card mounted when there is not and when I actually mount one it won't use it.

Any help into solving this is greatly appreciated. If you need any more info feel free to ask and I'll answer as fast as I can.

Note: I would provide more images but I'm limited on how many I can post.


问:
How can I change the vibrate duration for Google Calendar app reminder notifications?
I have a Nexus 5 running Android 6.0.1.  I have vibration enabled, and when a Calendar reminder notification triggers, my phone vibrates twice, quickly.

This is often too fast/too weak for me to notice when my phone is in my pocket, so I'd like to increase it somehow.  How could I do that?


问:
Set default location mode to device only
On my Motorola Moto G XT1068 with 5.0.2 whenever I'd turn on "location" it would ask permission to use high accuracy mode, and if I remember rightly, send information to Google. I always chose disagree because I don't want to do this.

Today I was helping a friend trial an app and in order to get it to function properly I was forced agree to this. Now I have two problems:

When I turn location on it always defaults to high accuracy, I cannot get it to default to device only

I have no idea how to revoke this permission that I agreed to

So, my questions are:
 1. How can I get it to default to device only?
 2. How can I revoke this permission?

Ideally I don't want to have to do a factory reset.
And yes, I know, I shouldn't have said yes if I didn't agree, but silly me assumed I could easily revoke this permission.


问:
Disable Android lock-out (un)feature
Unfortunately, someone thought is was funny to mash my lock screen buttons (phone fell out of my pocket while sitting on the floor), which required me to sign in via my Google account. Now normally this would be somewhat OK, but I was not connected to WiFi or Data. So I was forced to perform a factory reset on my phone. Lost lots of data. Is there someway to disable the google password lockout (preferable) or another solution that will keep my phone locked and button-mash-proof (preferably without rooting)?

I have a LG Ultimate 2.

Thanks for your time!

Title: Disable Android lock-out (un)feature


问:
Manage display refresh rate/ resolution of a ROM via ssh?
Probably a silly question.. but
I have root ssh access to an android TV stick running openelec (on an sd card).

Long story short i am trying to figure out where the refresh rate/resolution settings could be stored, because an incorrect (higher) value that I had set seems to be preventing me to boot into the normal ROM.

I found this file, but something tells me its not the one to edit..

```<code>OpenELEC:/sys/class/video # cat frame_rate
VFrame rate is 0.00fps, and the panel refresh rate is 60, duration is: 35452,vsync_isr/s=59.99,vsync_pts_inc=1500
</code>```

Any help Please ?

Thanks


问:
How can I unbrick my Sony Xperia M?
So, I was trying to install CyanogenMod using this guide.

However, as you've probably guessed, this didn't work quite how it should have...

Probably because I forgot to root. I straight out, didn't root my phone. I unlocked the bootloader like it says in the CyanogenMod Wiki, etc etc, and I believe that I did everything correct in terms of Fastboot, etc, but I forgot to root, which means when I try to install the OS from the .zip on the SD Card, it fails. I can't remember the error, but it's something bad, I can remember that.

I wiped it, which worked, but now I can't install anything

Does anyone have any other ideas? I can provide more details if needed.

Oh, and if it helps, when I do sideload and... sideload the package, everything goes fine (I used TWRP this time instead of CyanogenMod Recovery, and went to Advanced > Sideload) until the error appears, right at the end:

E:Unable to mount '/data'>

The whole phone is full of "unable to mount" stuff. This is why I assume that it was a lack of root. The phone doesn't have permissions to access... itself I guess. TWRP then gives me the "Reboot now" button, I press it, the Sony logo comes and goes a bit, the USB cable still plugged in, then I press the volume buttons a bit, then CyanogenMod Recovery appears again... A picture of an Android with the blue apex type thing spins, then the menu appears with an Android lying on the floor, open, with an exclamation mark in a red triangle...

Title: How can I unbrick my Sony Xperia M?


问:
Android reboots permanent after i activated OBB Move in Link2SD, data is aviable
I activated OBB Move in the Link2SD app (I don't know exactly what it does, but I already asked the developer, he hasn't answered yet)  and then I had to reboot. After I rebooted the system worked properly, but after a minute it said "Process system has stopped" and then it rebooted. After reboot I could use my system, all data was available, but about a minute later it again said "Process systemhas stopped". This results into an endless loop.

Is there any way to solve this problem? And if I have to reset the system is there any way to save important data?

I'm using a Samsung Galaxy Tab 10.1 LTE (SM-T805), Android 5.0.2, rooted with KingRoot.


问:
How to make google play updates the apps one-by-one?
How to make google play updates the apps one-by-one (in sequence).

Notes:
- Device is unrooted, and rooting is not an option.
- Auto-update is needed and updating manually is not and option.

Thanks in advance.


问:
Android Phone SD Card only shows folders no files in Windows Explorer
When connecting an android phone to a PC and viewing the files in Windows Explorer there is an issue trying to view the files. When I try to view the files on the SD card it only shows the folders not the files. This does not occur on all of my PC's only one. What can I do to view the files on my SD card from an android phone connected by a USB?

Thank you in advance for any assistance


问:
cannot recognize SIM card
I am using Samsung Galaxy Premier(I9268) running CM 12.1. Several days ago, after some reboot, the phone Suddenly not recognize the SIM card. I have tried to use older updates, they all don't work. I have also tried to use the SIM on another phone, it is alright, proving that the SIM is OK to use. Can anyone tell me what problem I am having or help me solve that? Thanks a lot.

Title: cannot recognize SIM card


问:
Memory leak in 5.1.1
I have recently got a new phone and I decided to root it. I have installed custom ROM ( CM 12.1 ). I am now experiencing quite severe memory leaks.
When I open YouTube it plays the video for 7 seconds and then it force closes due to OOM state. I even tried to raise the maximum RAM allocated to Youtube and that didnt help either. Does that have something to do with zRAM compression or OOM grouping ?

Thanks for you answers !

Title: Memory leak in 5.1.1


问:
Says "SD card not inserted" when it is
I just got a BLU Energy 2 phone and I love it. The only problem I have is that it's not reading the 64gb sd card that I just bought for it. I made sure the software was up to date, rebooted it multiple times with the sd card in it/without the sd card in it, connected it to my computer to see if there would be a file for it. I don't know what else I can do other than get a new sd card but I don't want to buy another new sd card and find out that's not the problem. </p>

Title: Says "SD card not inserted" when it is


问:
Connecting Xbox 360 wireless controller to Samsung galaxy tab 3
I am attempting to connect a wireless Xbox controller to my tab 3 however after following the instructions Here and Here but to no luck ive also tried using logcat to find out the vendor and product id of the adapter incase it was different but still no luck as they are the exact same numbers as in the posts.

any help with figuring this out would be much appreciated.

thanks in advance.


问:
Mobile data can't connect (with exclamation mark) but wifi
My phone is Motorola XT1033 dual-SIM (Lollipop 5.1)

have active mobile-data internet packages

can connect and open provider's website (to check package status & quota)

valid APN settings (at least following provider's instructions)

There is a problem on mobile-data connection, see the differences here:

Data ON, Wi-fi OFF

there is an exclamation mark on the mobile-data signal bar

NOT connected to internet (even the signal is H)

Data ON, Wi-fi ON

there is NO exclamation mark on the mobile-data signal bar

connected to internet

What I've tried so far

rebooting my phone

turn mobile-data off and back on

re-attach the SIM card

install my SIM card to another handset (can't connect to internet)

install another SIM card to mine (can connect to internet)

Does anyone have the same problem? I'm looking forward for the solution.


问:
Phone reacts to "OK" without "Google"
I need to change the voice command from OK Google to something else. It reacts to my voice in meetings when I answer OK. That is a problem!!</p>

Title: Phone reacts to "OK" without "Google"


问:
Android space not usable
I have a Moto G 2013 (xt1032) and whenever I check the storage first it shows the free space before calculating everything (393 MB) and later on (after calculation) I see in the bar that the free space is bigger but it still registers 393MB. Why is this?

Title: Android space not usable


问:
How to get a lense while moving the cursor?
How do I get such a lense while moving the typing cursor in Android 4.2.2?


问:
Connect with the Filezilla Server Software to a FTP Server
I'm running a FTP Server on my Android device, there I want to change the options, but this is very uncomfortable, and I want to have a more overviewed Log, so I tried to connect with the FileZilla Server to this Android FTP Server, but it couldn't connect.

It showed me this error:

Protocol error: Unknown protocol identifier (0x50 0x50 0x48). Most likely connected to the wrong port.

I used the Standart Port from FileZilla (14147) and the port which I have choosen on my Android FTP Server.

OwnerDisplayName: Ribisl


问:
Automated export of Samsung S-Note notes to image or PDF?
Are there any methods for automated export/transfer of Samsung S-Note notes to an image or PDF?

I understand how to manually export / share notes from within S-Note and am aware of S-Note to S-Note and S-Note to Evernote synchronization.  I'm hoping to find an alternative to Evernote synchronization which I currently rely on.

It would be perfect if this can be accomplished entirely within Android and accessible to Tasker.

This question was listed as a possible duplicate of "Get notes created using “Notes” default app and export them to PC".  These are not the same application.  Here is a link showing S-Note.  Techniques used by that question may be applicable in this case, however; S-Note captures images which represent additional complexity when pulling data through that many layers.  The adb nature of that approach makes an automated solution even more difficult.


问:
"App not installed" error
I installed Badland from Play Store. It worked. Then I uninstalled it and tried installing it from Amazon Appstore. Every time I try to install it, I get the installing screen for about a minute (long time) and then the error "App not installed"

I found the apk file (from my filesystem, the one Amazon downloaded) and the exact same thing happens when I attempt to install it. I have redownloaded it many times.

I also have root and I'm running Android 5.1.1

EDIT: The message I get from terminal is: [INSTALL_FAILED_VERIFICATION_FAILURE]

Title: "App not installed" error


问:
Unable to unset the LOCK password Android 4.4.4
I have already read this Google help page as well as Unable to disable password on Android screen lock and several other links that explain how to a screen lock password/pin.

I am using Android 4.4.4 with developer options enabled and I cannot remove the password on my phone or change it to a PIN or change to a different password.

When I click on Settings -> (Connections, Device, Controls, General) -> I click General -> Security -> I only see Encryption, Find My Mobile, SIM card lock, Passwords (make password visible), Device Administrators (I made sure than none of them were checked), Security update service, Credential storage.

There is no option to change my password or to use a PIN. Can someone tell me how I can use say a 4 digit pin instead of a password? It is a real pain when I have to type a big password with letters and digits everytime I have to make a call.


问:
how to mount permanently in Android
I've successfully mounted my router device's sdcard on '/mnt/routersd' as follows :

```<code>#!/system/bin/sh
su -c 'busybox mount -o remount,rw /'
su -c 'mkdir -p /mnt/routersd'
su -c 'busybox mount -o remount,ro /'

su -c 'busybox mount -t cifs //192.168.0.x/sdcard /mnt/routersd -v -o user=admin,pass=xxxxxx'
</code>```

The issue is that the mounted folder is lost on every reboot; so, I need to manually execute my script after every reboot. What should I do to have this mounted directory, permanently?

Title: how to mount permanently in Android


问:
Heimdall/JOdin: "We could not obtain the PIT file. We tried, but it didn't work."
I'm trying to root my Samsung S6, but I don't have a Windows computer. Luckily, JOdin works on Linux too and it connects to my phone, so I am now much closer to my goal.

But now I am facing a new challenge: JOdin says: "We could not obtain the pit file. We tried, but it didn't work." The CLI output of the JOdin's offline version reports the following (excerpt):

```<code>[VERBOSE]Heimdall Device detected!
[ERROR]ANALYSIS DETECTED ERROR:Failed to send data!
[VERBOSE]Did not find pit
[INTERACTION][SHOWERROR] Title:Could not obtain pit.
Message:We could not obtain the pit file. We tried, but it didn't work.
</code>```

The JOdin support seems to consist of this 30+ page long forum post, which is why I hope to get more useful answers here.

JOdin relies on the Heimdall package, and that one has a list of supported devices that does not include the S6. I suppose this is part of the cause of the problem. I use JOdin v1035 and Heimdall v1.4.0-0.

Indeed, when I run only Heimdall, I succeed in connecting the phone but the PIT download fails; the only relevant log line is ERROR: Setting up interface failed!

Full log output is here and here is the verbose output.

The command sudo heimdall print-pit --verbose --stdout-errors --usb-log-level debug as suggested in comments produces this output which is beyond my skill to interpret.

I dare not download a "random" PIT file from the Internet; the risk of choosing the wrong one is too high, and those I've found are behind a sketchy-looking Vietnamese paywall. Google also pointed me to methods that rely on adb shell and requires root ... but having root is the goal I'm chasing right now.

How do I download the PIT from my phone?

Update: I've managed to root my phone using a Windows computer and therefore I no longer urgently need this working on Linux. I will probably need it the next time I have to fiddle with the phone (e.g. when an Android update is available) but for now I will abandon this challenge.


问:
Recovery messed up after phone discharging with no os
I was trying to install CM12 on my Xperia Z1. The zip didn't appear in the SD card in recovery. I accidentally erased the OS thinking that I needed to remove it, then the phone discharged and now its stuck on the Sony logo and I can't find a way to enter recovery mode again.</p>


问:
How to enable Face Unlock on Samsung Note 3
For some reason, the Note 3 doesn't have the Face Unlock feature listed under Smart Lock (see screenshots below).

Click on image to enlarge

Do I have to download the APKs seperately?


问:
stock data usage widget is displaying the wrong info
I'm running 5.1 and have the stock data monitor/usage widget on my homescreen.

My problem is that the quantity displayed on the widget is completely unrelated to (the correct) quantity displayed in the actual data usage portion of the settings menu.

Basically I have gone into a new billing cycle, the settings menu has acknowledged this and so displays 188Mb used whereas the widget displays 1.4Gb used. (For reference, so that you can rule it out, the WLAN usage is on a different schedule and is on 17Gb)

The problem also persists after removing then re placing the widget.

Any ideas?


问:
My Redmi 2 Prime's battery usage is inconsistent after OS reinstalls
Recently after I updated my phone to MIUI7 the battery increased from 9 hours internet browsing backup to 10 hours and 4 minutes for Internet Browsing backup. But after I tried to roll back the OS to MIUI 6 and few older ROMs of MIUI 7 and them wiped and reset the phone OS to the latest MIUI 7.1.1.0, I have lost some amount of battery and now it gives a Internet Browsing backup of about 8 hours. How can I fix this, has anything wrong happened to the phone because I formatted my phone too many times (at least 6 times as I remember). Please Help.</p>

OwnerDisplayName: Pranesh Kumar Purohit


问:
Serious bug in Android 4.4.4_r2: Not sending BOOT_COMPLETED Intent
There seems to be a serious bug in Android 4.4.4_r2:

BOOT_COMPLETED not always sent bug

Causing BOOT_COMPLETED Intent not to be sent. Does anyone know if this issue can be fixed on an Android 4.4.4_r2 device?


问:
How can a tabelt forget the SSID of a wifi network
We have a product that combines one Galaxy Tab 3 7"or Galaxy Tab 4 7" tablet, both wifi-only, with a Mikrotik RB951G-2hnd router. The Mikrotik has a hidden wifi network so we add it manually to the tablet. Most of the time it works great but for some reason, sometimes the tablet forgets the SSID of the hidden network.

According to our costumers, this happens when there's a power cut and the tablet looses its charge. After the power comes back, the tablet won't connect to our mikrotik device. When checking the WiFi connections on the device configuration the network won't even appear on the list.

This happens only sometimes in some tablets.

How can the device forget a manually entered SSID?


问:
Disable Media Volume automatic reduction
I'm using a Nexus 5, it's using the stock ROM, it's unbranded, bought from the European Google Play store. I've only noticed this issue since upgrading to Marshmallow, but I didn't use the headphones much prior to that, so it may have been an issue then as well, I'm not sure.

Every few days, while I'm listening to music on my headphones, the phone reduces the volume down to around 30%. I have to unlock the phone, turn the volume up, then select okay when it comes up with a warning about turning the volume up.

It's got to be one of the most annoying "features" of the phone. I don't know why it does it, or how to override it. I read a post on the XDA forums where people said it was due to some European law, but there was some descent there.

I have a volume controller on my in-line cable, so I am more than capable of getting the volume right for myself. Can anyone tell me if it's possible to override this, so the volume setting stays at the level I dictate, not the level the phone thinks is safe?

I'm aware I can lock the volume with "Persist" or similar but I would rather have control, as sometimes I want to adjust the volume depending on song, background noise and what I'm focused on.


问:
Extract data from nandroid backup
As I am not using an official version of cyanogenmod, I cannot restore my Data partition, that I was forced to wipe. I did the backup with TWRP thus, it is in the nandroid form. However, when I try to restore the Data partition, CM does not boot. As a workaround, I could mount (or extract) data from the nandroid, and place it in the storage/emulated/0/ directory.

The TWRP backup consists of files named data.ext4.win000 to win003, with a data.info and a recovery.log.

I already tried extracting the backup with Titanium, but it needs the donator's version to do that.

If it is necessary, I do have root access. I am on OS X, and my phone is SM-G800F kminilte. Since ext4 is compatible with Debian, I can use that as I do own one too.

A very tedious workaround would be to revert to stock ROM, flash the Data backup, get data and reflash CMmod, but that is something I want to avoid to do at all circumstances, unless there is no other way to do.

Title: Extract data from nandroid backup


问:
Can I use my Android phone as a second monitor?
About ten years ago I started using dual monitors. It was amazing. But I switched to using a laptop exclusively and do not have a second monitor. It occurred to me that I have a second screen right next to me (my phone) that I'm not using.

Is it possible to use it as a second monitor? I can imagine using it to show a training video while I follow along on my laptop screen.

I have a Mac OSX 10.11 and a Samsung Galaxy 6. I have an older iPhone 4S as well.


问:
Stream from PS3 to Android?
I am able to stream content from my Android device to the PS3 and watch it on the TV that's connected to the PS3.

What I want to do is stream the game play video from PS3 to my android device.

I have an Android stick I connect to my other TV and the stick allows to receive streams.

Any ideas?

Title: Stream from PS3 to Android?


问:
how to use supersu in cm12.1
Cyanogenmod has a built-in root access control in developer options.
But I can't use supersu instead of it.
If i install supersu and update the su binary. Then after reboot phone becomes unstable and many apps crashes.
If I flash update-supersu.zip from recovery the app gets installed in
 /system and built-in root access doesn't work and I can't remove supersu app, then I don't have any option but to reinstall Rom.
How to get it working?
Tnx for any help. </p>

Title: how to use supersu in cm12.1


问:
Can't flash anything from SD card
Not able to update the cm13 through the  recovery. whenever I try to update it gives the error message saying that can't mount the file or the file isn't found in the destination folder . Actually I have formated the SD card as internal storage and also I can access the SD card but can't flash anything in the recovery.</p>

Title: Can't flash anything from SD card


问:
Count roaming data
I am traveling to foreign country and I have activated data roaming. How can I track data usage in roaming? I want to know if I have used 10% or 50% or more of my data. One way is to write a note about mobile data consumption and then compare it manually. Is there a better way?

Thank you

I use nexus 5x with Android 6.

Title: Count roaming data


问:
CyanogenMod error signing school Google account on the Oneplus One
Phone: OnePlus One
OS: Cyanogen OS 12.1.1-YOG7DAS2K1
Andorid Version: 5.1.1

I recently purchased the Oneplus One used. I love everything about the phone and OS,  however I cannot seem to sign into my school's Google account (a large portion of the reason I bought the phone at all).  I searched XDA and here for an answer to this question and could not find an answer. !

I tried to log in as explained here but there is no 'sign-in through browser' option. I'm truly at a loss as for what to do.

I've also now tried the unlock captcha link (suggestion found here) and the method of importing a specific certificate found here on StackExchange (I am looking for the link again).
Please note, I have already talked to my IT department and they say that the account has mobile access and that there shouldn't be any problems.

edit After the update to Cyanogen OS 13 everything is gravy.


问:
Nexus 5 (kitkat) does not boot into Bootloader mode - also cannot factory reset from ADM
I have an old Nexus 5 which I'm trying to use again because I dropped my current phone.

This Nexus 5 was on 5.0 (the one with the swirling circles right?) and it boots up but I can't get into it.

I am logged into my google account on it because I can see a few months worth of notifications pop up and can read emails sent to me on the lockscreen, but I have a pattern lock on it and cannot remember at all what the shape was.

After googling around, people said that after 5 retries you get the 30 second cooldown and there should be a "Forgot password?" button next to "Emergency call" but that isn't the case. I've got my pattern wrong about 80 times and still the button doesn't show up.

I found other people having the same exact problem and said Android Device Manager was the way to go. ADM sees my phone, I can do the remote calling it feature but if I choose the "Lock and Erase" button it says "request sent[...]" but nothing happens on my PC screen or my phone screen. What is this button supposed to do?

Anyway, so after not being able to get in that way I thought I'd just factory reset it from the bootloader mode, only I cannot get into the bootloader mode. Some websites say to hold Vol-Down + Power others say Vol-Down + Vol-Up + Power but neither of these combinations work for me, it always just boots straight to the white "Google" logo and then the swirling circles.

The phone is unlocked (little unlocked lock symbol under the white "Google" logo on start-up but I don't know if that makes any difference at this point?

I've tried connecting it to my PC and doing "adb devices" and "fastboot devices" but because I am either powered off or just on the lock screen, neither of these find a device.

Is there anyway I can reset my pattern password? Or failing that, just factory reset the phone?

(I tried looking here and elsewhere for the same question but either the person fixes it with ADM or by going into bootloader mode, neither of which I can do.)

Thanks for your time


问:
Phone doesn't charge via USB while on
I'm trying to figure out a charging issue with my Nexus 6 (Marshmallow 6.0.1).

While I'm in Windows (10) and the phone is on, it won't charge over USB. If I turn off the phone it charges via USB. If I'm in post or the BIOS of my computer the phone charges via USB while on.

I tried the same with a Nexus 5 and it charges while in Windows as expected.

The mobo is an Asus Z170-A. I didn't see any USB power option in the BIOS.

I've updated to the latest version

Title: Phone doesn't charge via USB while on