问:
Graphics Icons in google play store in my mobile
When I open the Google Play store app, icons are missing in the app listings:

Screenshot (click for larger variant)

This happens only to the Google Play app, where it happened from the very beginning, right when I'd bought the device (i.e. it didn't start only recently). I don't encounter it in other apps. Also, when visiting the Playstore with the device's web browser, there is no such issue: here all images are displayed fine, so it shouldn't be a network/firewall issue.

The device in question is a Note Edge running Kitkat (4.4.4).

Any idea what could cause this, and how it can be fixed?

ContentLicense: CC BY-SA 3.0


问:
When does AT&T Note 4 receive Lollipop?
When does Lollipop hit AT&T Note 4?
I have read many articles that the Note 4 was going to receive Lollipop late January. But still no updates. I believe the Galaxy S5 AT&T has Lollipop.
Any one have any ideas what the release date is?

Title: When does AT&T Note 4 receive Lollipop?


问:
Create .img of current of android setup
I have an android setup (certain apps, wifi settings, backgrounds, etc) that I'd like to get on 20 other devices.  I have physical and root access to all devices.  I have been using a USB burner tool to update the software that a device shipped with to a more recent version of the software that the hardware manufacture released.

My question is, give a current setup of android, how can I create a .img file that I can burn onto other devices using the USB burner tool?

Title: Create .img of current of android setup


问:
Indian English gesture typing keyboard for Android KitKat?
Switched from Windows 8.1 to Android KitKat recently. Windows 8.1 keyboard had the option of gesture typing for Hindi words written in English script.
For example, "bhag" (means run in English) could be typed in via gestures.
 Something which they called the Indian English keyboard.

Does Android KitKat have an Indian English gesture keyboard? If yes, then how can I enable it?

There are some apps in play store which does the same, however I would like this feature in the default Google keyboard itself.


问:
How to enter to recovery mode in Eurostar epad genie tablet
How to enter to recovery mode in Eurostar epad genie tablet. i tried to enter to recovery mode using the key combination power button and volume + button. When i press those button it shows FASTBOOT mode and I cannot enter into recovery mode. Please help me</p>


问:
Create a range of numbers with Google Sheets
I am trying to create a simple range of numbers on Google Sheets in Android the same way you would do it on a computer: drag the corner spot down selecting 2 consecutive numbers.

So I would input "1", "2", and then extend to 80 by dragging down to have: "1", "2", "3", "4", ... But it does not work on Android.

Any way to achieve this?

ContentLicense: CC BY-SA 4.0


问:
2.3 Tablet bootloop, trying to pull logfile with root adb
I have an old android tablet (2.3) which I've had for a number of years now. I've been trying to get access to the application data storage, because I had some important documents stored in a notes application. Using ADB in the past I've pulled the entire user storage directory to my PC, which I still have a copy of.

But now, it's stuck in a bootloop. When it turns on it shows the Polaroid logo, then blue screens for a bit then starts booting up. It shows the android booting logo with the windows-xp-like slider going across the screen. After 10 seconds that freezes and the tablet reboots.

I'm still able to access the tablet's root shell using ADB (I see # instead of $) and I've been trying to pull the log file to see why the tablet has been unexpectedly bootlooping. This is funny because I've only been pulling files from the tablet using ADB, and there is no touch so I don't understand how it's managed to damage it's own filesystem.

Upon browsing through the filesystem in root ADB, I've found that files I've pulled in the past from the user storage, don't appear under /mnt/sdcard and I can't locate them in the /data folder.

Is there any way that I can use ADB to pull the log file off the tablet?


问:
Can I get Android to not expand the top notification?
I've had Android 4.4 (on a HTC One) for a while now. And it never automatically expanded notifications. A short while ago I accidentally expanded one of the notifications, and at that point the system started to always expand the top notification.

From what I understand from various sites on the *net, expanding the top notification is now the default behavior. But I'd like to have the old behavior back. Is there a setting for this, and if so where (preferably without installing some app)?

Googling for me only turns up articles about apps that expand all notifications automatically (it's the opposite I want) and about disabling individual notifications (don't want that either) or programmatically disabling the notifications area altogether (either).


问:
UDP Ports used by an Android Application
I am trying to figure out how to get a complete list of UDP ports opened by a specific PID within a given time interval, on and Android Device. In my current solution I am using a combination of busybox lsof and the /proc/net files.

While /proc/net/tcp, /proc/net/tcp6, /proc/net/udp6 are populated by the kernel, /proc/net/udp is always empty. Is there any reliable alternatives to find UDP sockets opened on Android?

Device: Nexus 5 - Rooted

Android: 4.4.4

Kernel: 3.4.0-gd59db4e android-build@vpbs1.mtv.corp.google.com #1


问:
Google Location History shows location I have never been to...6,000 miles away
I was looking at my GPS location history on my phone, just for fun. When the map loaded, it displayed all of the places I'd been to, and a long red line connected to a few red dots in Algeria. Mind you, I am in Texas. At first, I thought it was a glitch. Which I still hope it is. But when I zoomed in with satellite view, the locations were inside a series of neighboring houses. These are very specific locations, and further searches into the previous months (all the way back to December 2014) indicates that these same places have accessed my Google account.

I'm speculating at this point, because I'm not at all familiar with hacking, security, etc. I've also changed my password.

Has this ever happened to anyone? I know that this thing can be inaccurate, but can it be this inaccurate? Could Google have made a mistake? Did someone hack into my phone/Google account? Is there a way to confirm this, if the GPS isn't proof enough? And more importantly, if that is the case, what can I do now?


问:
How to revoke permissions from applications?
I don't understand, why some programs are requesting some permissions, especially concerning my privacy.

So I want not to grant them or revoke after granting.

I don't care if application will crash. I expect, that polite application will never access my private data without first asking explicitly. Since I won't permit this, then polite application will never crash. And mutual, if application will crash, then it is not polite and should be uninstalled.

How to revoke permissions on Android?


问:
reverse tethering over USB on Galaxy Tab 4 10.1 with Android 4.4.2 (kitkat)
if got a Samsung Galaxy Tab 4 10.1 (SM-T530) with Android v4.4.2 (kitkat).
The Tab is rooted over Odin.

I wants to use reverse tethering over usb-cable from a PC.

I tried now 2 days, but nothing works. The main Problem is, that the
setting for usb tethering didn't appear. Samsung kick out this function
for the tablets.

I also tried to install tethering Apps. But without the settings nothing did.

At the pc (linux, ifconfig) no usb network interface appear...

Does anybody got a solution? Other Android versions working with Galaxy Tab 4 and got the usb tethering feature?

Would be nice if anybody have an idea for my problem....


问:
Can excessive text messages stored on phone cause issues?
Can too many text messages stored on my phone prevent me from receiving new messages?

Recently I've had multiple people text me, yet I haven't received the messages. I checked the messaging log on my cell account online, and the incoming messages are listed, yet they never showed up on my device.

I spoke with T-Mobile tech support; he said that I had too many messages on my phone (5000+), and that the more text messages I have stored on my device, the higher the chance of an incoming message getting corrupted (that is, not received). He recommended keeping only ~200 messages on my phone.

Is that good advice?

He also said to restart my phone every night, which I'll start doing (instead of every few days), but I had never heard to not store too many messages, so I was curious if there is a technical basis for his advice...

I have an HTC One S (Android 4.1.1), and I am using the stock messaging app on T-Mobile (in the US).


问:
Sony Xperia ST21i forgotten PIN help
I set a PIN screen lock on my Sony ST21i (Android 4.0) and forgot the code. No encryption, no root, and the phone won't show up a "Forgot PIN?" button. How to regain access to my phone? There is no important information in it, so any solution that deletes all data is fine. Help!

Edit: Didn't work:

Android Device Manager

Trying to boot into "recovery mode" using various key combinations found online

Title: Sony Xperia ST21i forgotten PIN help


问:
what is INTERACT_ACROSS_USERS_FULL permission?
In my project.. I needed to make multiuser enviroment.
So I declared INTERACT_ACROSS_USERS_FULL permission.

Then I also found INTERACT_ACROSS_USERS permission.
INTERACT_ACROSS_USERS_FULL and INTERACT_ACROSS_USERS, what is the difference?

what is INTERACT_ACROSS_USERS_FULL permission?


问:
Any way to disable the app crash dialog?
At least two times that I can remember, my phone has got stuck in a crash loop. That is, an app crashes, the OS starts it again in the background, then it crashes again. This repeats ad nauseam. This generally makes any attempt to fix the problem either impossible or spectacularly frustrating. Is there any way to disable the dialog, make it a notification, or limit the occurrences?

If it helps, I'm using CM 12 and have rooted.


问:
How to install ROM or Firmware on LG F160L Korean mobile [soft briked]
I have LG F160L Korean mobile it was working fine but 5 days ago some app was updated from google play store automatically then suddenly com.google.android.gsf app starting crashed. Not remember gsf or fgsf but it is confirmed it was google android app. Now I don't know it was due to my installed app when it was updated or some thing else. I clicked many times OK but it does not stop. I restarted my phone but it never starts Android OS. When my phone was OK I check in Settings -> About Phone -> model it shows me F160K but on phone back after cover removing it is written F160L.

My Phone Current Condition:

It shows in korean language. May be asking security code

I am so sorry I can't paste external link here that is clickable because I have no reputation yet

Please copy and paste link in browser

www.imageupload.co.uk/image/5NJD

www.imageupload.co.uk/image/5NJE

When I press buttons in combination Volume Up + Home + Power [recovery mode]  it shows error

www.imageupload.co.uk/image/5NJA

When I go to in ClockworkMod Recovery it shows me error and strange thing
the thing is Lg Optimus Vu2 JB (confusing)

www.imageupload.co.uk/image/5NJR

Error:

www.imageupload.co.uk/image/5NJe

What I have tried

I have tried Automatically Flashing the Latest Stock Firmware via the LGMobile Support Tool that downloads firmware and install but when S/W upgrading is in progress it stops after 10% :(

I have tried to install ROM from KDZ flasher it gives error after iPram = 10 KDZ downloaded from lg-phone-firmware dot com for LG F160L  :(

I have tried by downloaded zip file for LG F160L and copying in SD Card and by going inside ClockworkMod after inserting SD Card in phone then install from External SD Card by this method it installs successfully but phone is still in that condition that It was before installing. I tried wipe data, cache and dalvik after installing from SD Card as well :crying:

I actully 4 times wiped data, cache, dalvik

I also did Hard Reset by press this buttom combination Volume Down + Home + Power

There is also one strange thing when I tries to download driver on Windows 7 by connecting phone with PC in Download Mode and in Recovery Mode it installed correct drivers But when I tries to download driver in ClockworkMod it starts installing LG F200L Drivers. :eek:

I tried to wipe recovery but could't wipe because I can't see my device in when I run this command fastboot devices

With offline method

I tried with F160L and F160K KDZ but I am getting this error

```<code>        20:13:05 : [C:\LGMobileUpgrade] Try to delete folder
    20:13:05 : RemoveDirectory1 Error(2):C:\LGMobileUpgrade
    20:13:05 : Start Date : 2015-02-12 20:13:05
    20:13:05 : ---------- QM Testmode ---------
    20:13:05 : ***** Check Tool Version *****
    20:13:05 : Tool version : 1.5.4.8
    20:13:05 : UpgradeDLL version : 1.2.6.7
    20:13:05 : Current Dir : C:\ProgramData\LGMOBILEAX\B2C_Client
    20:13:05 : LGE USB Driver Version :
    20:13:05 : Android PDLV Version :
    20:13:05 : Android NDLV Version : 3.13.0.0
    20:13:05 : ******************************************
    20:13:05 : [C:\ProgramData\LGMOBILEAX\Phone] Try to delete folder
    20:13:05 : SetEmerModeAT()
    20:13:05 : _IsConnectedPhone Call
    20:13:14 : _IsConnectedPhone(2)
    20:13:14 : 0 - NotConnected.
    20:13:14 : 1 - Normal connect success
    20:13:14 : 2 - Emergency connect success
    20:13:14 : *****CheckOS Start********
    20:13:14 : Microsoft_Windows7_Professional_Service Pack 1
    20:13:14 : *****CheckPCSyncPrograms Start*****
    20:13:14 : PCSyncPrograms Not Found - OK and ready to upgrade
    20:13:14 : Checking the connection with the cell phone...
    20:13:14 : dwWaitResetTime(40000 ms)
    20:13:15 : Phone Mode(2)
    20:13:15 : *****GetPhoneType Start*****
    20:13:15 : Phone Type : QCT
    20:13:15 : *****GetPhoneBinaryVersion Start*****
    20:13:16 : Phone Bin Version :
    20:13:16 : *****Get ESN / IMEI / MEID Start*****
    20:13:16 : Phone type Compare start
    20:13:16 : *****CheckPCSyncPrograms Start*****
    20:13:17 : PCSyncPrograms Not Found - OK and ready to upgrade
    20:13:18 : ****************CheckAndDownload********************
    20:13:18 : ******Extract Start D:\_Downloads\F160K20J_00.kdz*****
    20:13:18 : Model Dll Dir(C:\ProgramData\LGMOBILEAX\Phone\)
    20:13:18 : File Size = 928812201
    20:14:14 : Extract kdz file Success.
    20:14:54 : Extracted C:\ProgramData\LGMOBILEAX\Phone\\F160K20j_Develop.wdb\n
    20:14:54 : WDB(or DZ) FullPath(C:\ProgramData\LGMOBILEAX\Phone\\F160K20j_Develop.wdb)
    20:14:55 : Extracted C:\ProgramData\LGMOBILEAX\Phone\\G1TDR_60.dll\n
    20:14:55 : Model dll FullPath(C:\ProgramData\LGMOBILEAX\Phone\\G1TDR_60.dll)
    20:14:55 : Extracted C:\ProgramData\LGMOBILEAX\Phone\\F160K20j_Develop.wdh\n
    20:14:55 : NNNNN WDB FullPath(C:\ProgramData\LGMOBILEAX\Phone\F160K20j_Develop.wdb)
    20:14:55 : NNNNN Model dll FullPath(C:\ProgramData\LGMOBILEAX\Phone\G1TDR_60.dll)
    20:14:55 : Extract End D:\_Downloads\F160K20J_00.cab
    20:14:55 : ------------------Model.dll Information-------------------
    20:14:55 : Filename : G1TDR_60.dll
    20:14:55 : Version : 1.0.3.4
    20:14:55 : File size : 331776
    20:14:55 : File date : 2012/08/22-15:55:20
    20:14:55 : PC Created date: 2015/02/12-20:14:54
    20:14:55 : ----------------------------------------------------------
    20:14:55 : *****Check LGCM Programs Start*****
    20:14:55 : LGCM Programs Not Found - OK and ready to upgrade
    20:14:55 : *****WorkModelDLL Start*****
    20:15:01 : strPhoneBinaryPath(C:\ProgramData\LGMOBILEAX\Phone\F160K20j_Develop.wdb)
    20:15:01 : strModuleDir(C:\ProgramData\LGMOBILEAX\Phone\)
    20:15:01 : strModelDLLPath(C:\ProgramData\LGMOBILEAX\Phone\G1TDR_60.dll)
    20:15:01 : _DetachDLL Call
    20:15:02 : _DetachDLL Call End
    20:15:02 : Call fn_StartUpgrade
    20:15:02 : ### Start Upgrade - 3GQCT ###
    20:15:02 : ********* 3GQCT Model.dll input Parameter *************
    20:15:02 : MODEL_EVENT     : 32769
    20:15:02 : PhoneBinaryPath : C:\ProgramData\LGMOBILEAX\Phone\F160K20j_Develop.wdb
    20:15:02 : ModuleDir       : C:\ProgramData\LGMOBILEAX\Phone\
    20:15:02 : BootWaitTime    : 15000
    20:15:02 : UsbHighSpeed    : TRUE
    20:15:02 : PhoneMode       : 2
    20:15:02 : NewPhoneBinVersion: F160K20J_00
    20:15:02 : ClearSI          : TRUE
    20:15:02 : AuthMark  : 0
    20:15:02 : ********* 3GQCT Model.dll Parameter END *************
    20:15:02 : fn_StartUpgrade Call success.
    20:15:27 : wParam : 13,     lParam = 4
    20:15:27 : TYPE_WPARAM_MEDIA_ERASE
    20:15:51 : wParam : 13,     lParam = 5
    20:15:51 : TYPE_WPARAM_MEDIA_ERASE
    20:16:10 : wParam : 13,     lParam = 6
    20:16:10 : TYPE_WPARAM_MEDIA_ERASE
    20:16:25 : wParam : 2007,     lParam = 0
    20:16:26 : Step : TYPE_WPARAM_READ_FILES
    20:16:26 : wParam : 13,     lParam = 8
    20:16:26 : TYPE_WPARAM_MEDIA_ERASE
    20:16:26 : wParam : 2008,     lParam = 5
    20:16:26 : Step : TYPE_WPARAM_TOTAL_FILES
    20:16:27 : wParam : 13,     lParam = 10
    20:16:27 : TYPE_WPARAM_MEDIA_ERASE
    20:16:31 : wParam : 20,     lParam = 0
    20:16:31 : wParam : 100,     lParam = 5000
    20:16:31 : _DetachDLL Call
    20:16:31 : _DetachDLL Call End
    20:16:31 : TYPE_WPARAM_UPGRADE_ERROR Error Code = 5000
    20:16:31 : Page_Error ºÎºÐÀÔ´Ï´Ù
    20:16:31 : ¿©±â´Â Retry ºÎºÐÀÔ´Ï´Ù
</code>```

What should I do?

Should I try another method with LG F160L KDZ file ?

Should I try with LG F160K KDZ or Zip from SD card?

Should I try with LG F200L KSZ or Zip from SC card?

Should I try to install ClockworkMod again due to mount error if yes then Which method should I try? LG F160 L is not listed in ClockworkMod Website

Answers will be appreciated :)


问:
Mi Band problem
My Xiaomi Mi Band keeps doing following steps repeatedly:
1. Show one green light
2. Show two green lights and one red light
3. Show three white lights
4. Vibrate

My phone doesn't see it at the moment and when I put to charge it shows one green light, then three green lights and then nothing.

Any help would be appreciated.

Title: Mi Band problem


问:
What is the best way to turn my old Android tablet into a 100% VNC client?
I have a very old Android tablet that I barely use.

It's a Zipy MID Fun (8GB) with 256MB RAM DDR2, an old Rockchip at 660MHz with a DPS 600MHz runnind Android 2.1. The wireless module is a very weak IEEE 802.11G module.

Since my other tablet broke (someone decided that it was a nice doormat), I decided to use this one as a 100% VNC client.

The problem is that this is SO SLOW it is almost unusable. Using 256 colors is the only way to use it somewhat properly.

The VNC Server is a Windows 8.1 computer, which is connected over cable.

What should I do to use this tablet as a decent VNC client?

(RDP is also fine, if it is possible with such an old tablet)

OwnerDisplayName: Ismael Miguel


问:
which sensor is capable of tracking the emr
I read about applications like tawkon and too close recently. I am aware that they keep a watch to the mobile's radiation level and do something when the radiation level mounts. I am impressed with those apps. I wanna learn about how they work and I wish to code a simple app that keeps track of my phone's radiation level.

I thought that the TYPE_MAGNETIC_FIELD sensor would be able to find the radiation emission. When I browsed, I came to know that it is a sensor to measure the ambient geomagnetic field i.e; the magnetic field immediately surrounding the device.

I suspect that the radiations emitted out of the mobile phone must be largely responsible for the surrounding magnetic field. If what I think is right, I hope that I must be proceeding with the TYPE_MAGNETIC_FIELD sensor.

Please let me know, if I am right. If not, please guide me to the correct sensor that can achieve my own tawkon kinda.


问:
Phone call speakerphone/earpiece equalizer
Is there an application or tweak that will allow me to equalize Phone call audio coming out of the speaker/earpiece?

Similar to how AudioFX equalizes for media audio?


问:
View which apps have accessed location data recently
I've heard that Android 5.0 (Lollipop) provides a way that users can view which apps have recently accessed location data.  I'd like to list all apps that have collected my location information recently, so I can keep an eye on them.  How do you do that?  Where in the user interface is this available?  What screen is this information on?  Is this available on any version before Lollipop?

(Alas, I don't have a phone with Lollipop handy to test it myself, or I'd look for it myself.)


问:
Is there a way to lock the Netflix profile in a rooted Galaxy Tab 3 Lite (SM-T110)?
I would like to lock account switching in Netflix. I found that you can do this with a restricted profile but this version of android doesn't have that feature. I can create new accounts with a terminal, but this does not enable the "Users" option in the settings menu.

Is there another way to lock the account switching, or is this impossible?

Android version: 4.2.2


问:
How to flash Mts Blaze 5?
I would like to flash my Android Phone because it appears to be corrupted;  whenever I switch on my phone it gets stuck on the MTS logo (splash) screen.

I have recently downloaded a 'flash tool,' but it is not detecting my phone.

Please Help.

Title: How to flash Mts Blaze 5?


问:
Contacts in circles are invisible in Phone
I have a Moto G ver1 running Android 4.4.4
After the last update I noticed that any contact that is also added to  G+ circles is NOT searchable on the phone. If I search by phone number the contacts appear. If I search by name they do not. This problem affects only contacts that are added in circles. Does anybody have a solution? Thanks!

[update]

I just noticed that the problem with those contacts is the contact's name (on my phone) being different than the name of the google+ profile. If I search the profile name the contacts display correctly.


问:
SMS Delay (Samsung Galaxy S5 KLTE - SMG900F)
I currently have a Samsung Galaxy S5 (SMG900F). The phone is rooted and I'm using a Team UB 5.0.2 Custom ROM.

I've noticed over the past couple of weeks that I've began to experience a considerable delay when receiving text (SMS) messages.

If I long-press on the message and check the timestamps it occasionally shows up as "Sent: 20:41, Received: 03:20." An important aside would be to mention that this only appears to happen at night. If I send myself some sample texts from another phone; they are received almost instantly.

Has anyone else experienced similar issues and found a viable solution?

 I'd also like to know if this is related to the ROM/Build, SIM Card, or whether it's purely down to the service provider (Virgin Media in this case).


问:
Clockworkmod recovery, unable to backup the /data partition
My device is a rooted Samsung Galaxy S4 mini (serranoltexx) with CWM 6.0.4.6 recovery.

When I try to take a nandroid backup of my device it gives me the this error:

error while making backup of /data!

Flashing a ROM works fine, is this a permission issue?


问:
Nexus 7 stucks at Google logo
I had Nexus 7 2013 Mobile with Android 4.4.2 running. I tried to update it to recent release 5.0.2 from factory image. When I run command "flash-all.sh", it did not continue at "rebooting to bootloader...". I had to manually stop the process and it still can boot into 4.4.2. After that I tried flashing it manually by running fastboot commands. It then stucked at 'sending system'. I again had to manually stop it. That erase the OS and can boot only into bootloader. I once again tried the luck and run the "flash-all.sh" and it stucked again at the same "rebooting to bootloader..." stage and after manually stopped it, it will not let me boot into anything except Google logo. I can't switch off it, it auto reboot and stop at Google logo. ADB can't detect the device. </p>

Title: Nexus 7 stucks at Google logo


问:
Nexus 5 camera brick/reboot bug
I've had a nexus 5 for a while now, and one issue I've had is that after taking a bunch of photos, it will either freeze and need rebooting, or lightly soft brick wherein I need to plug it in in order to get it to turn on, no matter how much charge it had or has. No battery drain, but no key combination nor holding the power button for any amount of time turns it on, but it turns on fine when I plug it in for a moment. I have no clue when it started, and there is no specific number of photos, length between photos, or amount of time that the camera needs to be accessed that seems to cause it, but it only happens when I'm taking a photo or video, and after a couple or more have been taken. I've tried reflashing the entire phone, and it happens on both 4.4.x and 5.0.x. Is this a hardware issue or something else? Anyone with any ideas, no matter how far out, please tell them to me as I'm at my wits end right now. Thanks in advance for any info.</p>

Title: Nexus 5 camera brick/reboot bug


问:
Frequent "Google sign-in" error
On my Android device, I have added three Google accounts, and probably on average of once (or even twice) per week, all three accounts will have "Google sign-in" errors to show me. Unlike the question about the persistent sign-in errors, once I enter the correct password, the authentication succeeds, and the error vanishes, only to appear a week later.

I am not doing anything to change any of these accounts, but I am just using them normally on other PCs and devices. None of my other Android devices seem to have this problem. I am not using two-factor authentication.

Error dialog text:

[English] Google sign-in: You entered the wrong password or your
account has changed. Please re-enter your password.

What might I be doing to cause these errors and more importantly, how do I prevent these errors?

Title: Frequent "Google sign-in" error


问:
Why isn't Android using the IPSec VPN for browsing etc.?
I have configured IPSec VPN using a PSK to connect to my home network using the default built-in VPN settings in Android 5 on my Nexus 5. It connects correctly, but most apps don't use the connection for some reason.

For example, I cannot use either Chrome or Firefox to browse web sites hosted in the remote network. Chrome spends a long time as if it's going to load, but never does. Firefox immediately errors out saying it can't find the server. In fact, they can't load any site (like google.com etc.) while the VPN connection is established.

However, I can ping the very same host names from the phone's terminal and I can telnet to port 80 and get back a response to those same hosts when I use a telnet app, so clearly some apps are picking it up correctly.

Why isn't Firefox or Chrome able to connect to anything?


问:
How to fix Acer Tab. Iconia one 7
Hello can you help me fix my acer tab?

I start to play a game then in the midway it force exits and prompted an error saying "Unfortunately [app] has stopped!"

I noticed that the app icon in settings for example I will clear the cache of zombie tsunami so I will go in Settings then app then zombie tsunami the problem is the icon of zombie tsunami is replaced with android logo, can you help me?

Title: How to fix Acer Tab. Iconia one 7


问:
Battery percentage shown in lockscreen while charging is incorrect
I have a Samsung Galaxy S-III (rooted & running 4.4.4) with a peculiar problem.

According to the Notification Bar toggles, the battery percentage is 82%. The same is shown in  Settings > Battery.

However, when I plug it in for charging, it shows "Charging, 49%".
After some time on the power, when the actual percentage was 99%, the lockscreen showed 69%. According to the custom Kernel, the battery percentage in the notification bar and settings is correct. Therefore, it must be something to do with the lockscreen widget.

Does anyone know how to fix this? Any help is appreciated.

Things I have tried:

Reboot

Factory Reset and Wipe Caches

Reverting to Stock ROM


问:
How to display Android Screen (5.0+) to my Mac OS X Laptop?
This seems similar to several other questions here, but the other questions are outdated. In Android 5.0 there is a native screen casting button (Cast) on the notification drawer for us to cast the screen to a Chromecast.

Is it possible to make our laptop (Mac OS X or otherwise) act as a Chromecast display so that we can press the Cast button on the Android and the screen is shown on the laptop?

I tried leapcast but the Android device does not seem to detect it.


问:
Can not install substrate on emulator
I'm trying to install cydia substrate on emulator, when I try to link substrate files I got multiple errors,

Then I replaced /system/xbin/su with a suid-ed /system/bin/sh file and disabled SELinux with setenforce command.

But I still got this:

Anyone know what should I do? With adb shell I can get root but I don't know what script to run ....

Title: Can not install substrate on emulator


问:
Nexus 5 isn't recognized by USB
I just tried to connect my Nexus 5 to my Computer via USB but it does not show up anywhere. There is no sound of a device connecting and the Device Manager doesn't list a new device when I plug it in. MTP and USB Debugging are enabled. The cable I'm using it not the original one, but was advertised as a charger + data cable. I've tried connecting my device to both my PC and Laptop, but neither shows anything, but the device starts recharging as soon as I plug it in.

Anything I could've missed? Drivers? Settings?

Thanks in advance

Title: Nexus 5 isn't recognized by USB


问:
Block Image loading in any Android App especially in Play Store
Updated:

There are many third world countries where 3G network has not encompassed their entire geography, let alone providing a satisfactory internet service. As obvious, the price for internet packs on mobile are not very much affordable to lot of folks.

Cutting the story short, there are apps like Play Store and the likes of it, whose aesthetics will be affected drastically if the images are to be stopped loading. These apps I assume are made keeping developed countries and their network infrastructure in mind.

Anyway, I still need to block the images even if the app's UI looks unpleasing. I'm looking here for a method to stop loading images in Play Store. Note that I'm not asking a different app store as a solution.

In fact, if the solution is more general (for other apps) than selective for Play Store, it would still be considered as an answer.

Note:

Device rooted, so no issues for installing any app.

Adaway installed but couldn't blacklist images using regex(naive) expression.

Firefox for Android has addons, it is already sorted for now.

Any idea(s) how to achieve this goal?


问:
Determine app sending SMS Premium messages
I normally have "Block Premium Messaging" set up on the phones in my family. This is a verizon content block the prevents you (or family members) from sending messages to premium services that charge.

Recently, I had to replace a phone that broke and when the new phone was activated the blocks I had set up were cleared. On my bill was a $9.99 charge for a text to one of these premium services.

I know nobody sent the SMS to the service to sign up for this. I suspect some application on the phone sent the SMS message. Is there a way I can find out which app on my phone is sending SMS messages to premium services? Can I view all the apps that have permission to send SMS messages?

-- update -- well, I ran RL Permissions and no downloaded apps have the Send SMS permissions. I must have already deleted the offending app or something else is going on.


问:
How to Export Client Certificate from Firefox for Android on non-rooted device
I had a website install a client certificate into my Firefox browser (v35.0.1) on my tablet and I want to export and backup the certificate. I've found out after the fact that Firefox on android doesn't actually provide any native mechanisms for managing the certificate store (and does not integrate with the Android native certificate store). Additionally, all Firefox add-ons I've found are out of date, preventing them from being installed.

I found an article here that suggests copying the cert9.db and key4.db files to PC and using a third-party application to extract the certificate and key, however this device is not rooted and the file browsers I've tried do not allow browsing the true root filesystem. As a workaround, I tried putting the path to the files in Firefox to download them to somewhere more accessible, however Firefox refuses to download them (though of note: it does see the files.

Is there any other way to access the certificate store in Firefox for Android or retrieve the cert/key db files from which I can extract the certificate?

OwnerDisplayName: wraeth


问:
Go launcher Ex (german) not opening anymore
I am using Go Launcher Ex (or go launcher Z), german version, on my sgs5 and since the update last night (today is the first of march) I cannot access it anymore.

As soon as I press the home button or access it through google play --> open a message appears in the taskbar, saying that an unexpected error happened. Clicking on this message allows me to send a log to the Dev team, which I did.

But I hope that maybe this website is faster in answering because it's now been over 12 hours without any un-automated response. I understand that it's difficult to manage an app with so many users, but with SUCH a bug...

Anyways, I hope you have Ideas what I can do. I tried:

- clearing Go Launchers Cache

- stopping Go Launcher and restarting it by pressing home again

- search for the last stable apk on google, which I didn't find (also, the version displayed in the app details is Go Launcher Z version 1.0.0 ...)

I did not try to restart the phone because in that case, I might not have access to google play anymore which I use right now to start the apps I need to.

EDIT: There is an update available, but it only fixed the Problem for me until I rebooted - now nothing works anymore

Also, uninstalling go launcher through adb didn't help at all for me

EDIT 2: Some people reported in the go Launcher comments in play store that they could start the phone in safe mode and reinstall go launcher. (safe mode is usually pressing volume down while booting) Other people found that reinstalling brought the same error but at least the uninstall worked. For me, uninstalling didn't help but maybe it'll work for you

EDIT 3: after a not working update, they finally created a working update. I used a hard reset to fix the boot problem but I guess using Safe mode to reinstall Go Launcher should work too (Volume down and booting)


问:
Can I flash an unlocked G900T bootloader on a G900A?
I have a G900A and a G900T (short story: couldn't live any longer with the locked bootloader on G900A so I bought a G900T to use on AT&T). It's possible to flash a custom recovery/ROM onto the G900A, but it seems that the bootloader will recognize things as not being signed on boot and will not allow booting.

However, if I were to flash the G900T's bootloader onto the G900A, I could potentially bypass this restriction. Since it's basically the same hardware, it should theoretically work. Not wanting a hard brick, is my logic correct? What facility examines if the bootloader is signed? Will it allow me to flash an unsigned bootloader in Odin? Is the bootloader truly the source of the locked problem?


问:
Volume control: is there a really silent setting?
I like to listen to the radio in the background with earbuds. So I turn the volume down all the way, but in the lowest setting the volume is still about two to three times as loud is I want it to be.

Is there a way to tune the master-volume (or the volume of one app) to something less still than 1/10 without going totally silent?


问:
Unable to connect to adb shell via USB
I have a Karbonn Sparkle V AndroidOve device that was previously getting connected to the adb shell using an USB but after the recent factory restore I am absolutely unable to connect to adb shell. Developer options and debugging using USB are switched on.
The error coming is error: Device not found.
How can I get it back to connect to Ubuntu adb shell? </p>

Title: Unable to connect to adb shell via USB


问:
Retrieve files from broken Samsung Galaxy S 4
I ended up stepping on my phone and cracking it to the point where I can see ink (liquid) coming out of the cracks. I need to know if there's some way I can get back photos and files off of it. There are a couple of catches though:

The phone is locked by a pattern

The screen is completely broken, does not respond to touch.

The panel (home, back, search) is broken, and does not light up.

Sound does not work (hitting the volume up button to the max does not make the beep I am accustomed to, and the start up noise does not play).

It does not show up with ADB (even after installing the "universal ADB drivers")

When I plug it in, it shows up in the explorer, but no files are visible.

It shows up in Kies, but again, it's locked.

Most of these files were stored on the internal memory, as I let my girlfriend use my SD card.

MOBOROBO does not recognize that a device is connected.

The USB A Male to USB B Micro adapter does not work, and keyboard input and mouse input don't work.

Bluetooth was not on before it broke (and is still not on).

Wifi was not on, and is still not on.

I did not have a Samsung account associated with my phone, so I am unable to unlock it via the Samsung website.

Is there any way that I can retrieve any data? I think I've nearly exhausted all of the suggestions I've seen (e.g. from the broken-screen tag-wiki). I did have Lookout installed, and I told it to backup the data (I was able to scream with the device somehow), but it hasn't showed up yet.


问:
Moving NFS MW TO SD CARD
I am using Asus zenfone 5 running 4.4 kitkat, i have moved many games with obb files to sd card but when i was trying to move nfs most wanted to sd card but i noticed that it doesn't have an obb file rather it has multiple game files in android data folder, when i moved it to sd card via settings the data wasn't moved it is still occupying 1.95 gb on my internal storage, please help me move the game, and yes, my phone is under warranty so i don't want to root it</p>

Title: Moving NFS MW TO SD CARD


问:
Can't tether or hotspot my unlocked AT&T phone with T-Mobile
I've purchased an unlocked AT&T phone LGE LG-D800

After calling T-Mobile and configuring APN, I can now get 4G. However, I still can't tether. The T-mobile rep said I am out of luck and can't tether with stock tethering application, because it's looking for AT&T servers. He did not way whether a 3rd party app would tether for me, and none of the apps I downloaded worked.

I am thinking, there has to be a way to get it to work: after all, the phone has data, it has wifi, all I have to do is bridge them, right?

I am a Java developer. Never programmed Android but would like to start; so if it comes to that, a programming solution would work.

Surprised with the lack of data on the web! One would think there are lots of people like me!

P.S. I don't care whether the solution involves wifi, USB or Bluetooth.

The error message is as follows:

```<code>authentication was unsuccessful
There is a temporary network problem that prevents the
enablement of the USB tethering function. Please try again later.
</code>```


问:
What does 'sandboxed' webview actually mean?
I keep hearing the argument for Tinfoil for Facebook(vs mobile site) that it is sandboxed. What does it actually mean? what can websites access on normal web browsers that they can't on isolated WebViews?</p>


问:
How to mount usb drive in nexus 5 using mount command?
I read in some online sources that lolipop 5 allows mounting usb devices using otg cable without root permissions.

Another thing i saw is that the app "ES Explorer" can mount usb devices without root.

I'm trying to mount usb device using the built in "mount" command but im recieving "permissions denied" error.

The device shows in /etc/partitions as:

```<code>8    0    15633408    sda
8    1    15633392    sda1
</code>```

I tried

```<code>mount -t ntfs /dev/sda1 /mnt
</code>```

and get "permission denied"

What is the right way to mount usb device?

How does ES Explorer mount usb device without root permissions?


问:
Turn off Google Voice forwarding when using home Wi-Fi
I use Google Voice to forward phone calls to my Android phone. But when I am at home, I would like to save voice minutes by not having to answer phone using my voice plan. Is there a way to automatically turn off Google Voice forwarding to my cell number (only the cell number if possible) when I am on my home's Wi-Fi?</p>

OwnerDisplayName: some user


问:
How to make Android Lollipop remember wifi password?
I recently upgraded my Motorola Moto G OS to Android Lollipop. It works pretty well. However, one of the features I am missing is my corporate wifi being remembered that I used to enter from the browser. The browser used to ask if I want to remember the password and accordingly do so. I am not talking about saving the password while configuring the wifi in the settings UI.

However, since lollipop has this new UI opening up for entering password for wifi requiring authentication, I can no more save my password.

Is there anyway I can save my wifi password?


问:
How to access hidden pictures on Galaxy S4 with broken screen?
I have Samsung Galaxy S4 from T-Mobile, but I happen to break it. I still can turn it on and hear it, but the screen won't light up at all. Now, I have certain pictures. I put them in the stock hidden picture folder within the Gallery on the phone so no one will find them.

I tried plugging it into my Windows 8 computer to get everything off of it (music, videos, pictures, etc.). I couldn't get to the pictures in that hidden folder. Can someone help me how to access those images on PC?

Here is a video link to show you where I hide the pictures and everything:
https://www.youtube.com/watch?v=5aWzsLMwG10


问:
Change volume of noficiation with ringtone on vibrate
I was wondering if it is possible in Android 4.4.2 to change the volume of the notifications while the ringtone is put on vibrate.

I'm using an Samsung S4 mini with the stock OS that was installed on it. The problem is, once I enable the volume of the ringtone, I can change the notifications volume independently. But once I put the ringtone on vibrate, the notifications volume gets disabled.


问:
Moto G2 doesn't boot, fails to load recovery
Everything was fine till yesterday but suddenly my moto g2 got stuck and when i tried to go to recovery mode it didnt get started and a message was displayed "failed to load recovery image" and normal boot and factory reset is also not working.Please help me.</p>


问:
How can I stop yahoo starting up (trying autorun manager by mob)
Yahoo mail is starting automatically

How can I stop it from doing so?

I have tried autoruns   MobiWIA - AndRS Studio

https://play.google.com/store/apps/details?id=com.rs.autorun&hl=en

which shows a bunch of "intents" for yahoo mail but I don't know what to do from there.

My phone is rooted.

I can see it looks like I would have to uncheck certain intents but i'm not sure which


问:
SD card is damaged, even after I format and get new sd card, I'm still seeing the same error, Please help!
Hi I've found my 8 GB SD card damaged this morning. And I was able to access it on my computer and I collected the files on it, then FORMATTED it. However, when I put it back in my phone I'm still getting the same error : Damaged SD card.

So I've bought a brand new 2 GB SD card and I'm still receiving the same error: SD card Damaged. I'm using TECNO M3 , android 4.2.2
Please I need help fixing this problem.

PS: This problem has started when I put wi-fi on this morning, and the apps started updating automatically. And suddenly majority of my apps were removed on their own.BTW, I've check different threads here but it seems nobody is having the same problem as mine. I appreciate any help.
Thanks!


问:
Icon pointing to app upgraded through Play Store no longer works. What's up with that?
Sometimes when an app is upgraded through the Play Store, the icon for it in the launcher no longer points to the app.  Other times, it works fine.  What's up with that?  Seems totally random for which apps it happens with and when.  Why does it happen?

Update: Andrew asked what happens if it doesn't point to the app.  Great question.  The launcher presents a dialog box that states: "Item is not installed.  Search Google Play, or pick another app?"  It has three buttons, which are: Cancel, Select app, Play Store.  I also should mention this happens on multiple devices running KitKat.


问:
How to redirect sound to loudspeaker from arbitrary app
My Samsung Galaxy SIII comes with a front-speaker and a back-loudspeaker. From some applications, such as the Phone app, it is possible to press a software button during a call to redirect the sound to the back-loudspeaker (so that more than one person can hear what the person on the other side of the phone call is saying).

However, I couldn't find the same functionality on the Skype app (or any other videoconferencing or other app).

I would like to know whether there is a system setting somewhere or custom application such that whatever app is running in the foreground, the sound it produces can be somehow redirected to the back-loudspeaker from some external software, so that this can work no matter what app (Phone or other) is running.

Thanks.


问:
Delete the app folder in system accidently
I delete app folder in system folder which have preloaded .apk , now after i delete , every thing in my phone gone stopped working i turn off my phone and try to turn it on but stuck in boot load and wont come up

whats happened to my phone?

can i solve this problem and how?

i have xperia m dual


问:
I can't boot into recovery on my C6603
So Basically I put a recovery into my sony xperia z and i tried flashing an unofficial cyanogenmod 12. But afterwards the phone could not boot up to recovery due to the way i get into the recovery. Usually, the sony boot up sign would show up then i would press the volume up or volume down button to get to the recovery. But the phone can't even boot up now. What do i do?</p>

Title: I can't boot into recovery on my C6603


问:
Diagnosing as possible GPS issue with a Nexus 5
My Nexus 5 has developed some GPS oddities that lead me to wonder if I've dropped it one time too many. I write this question to ask for some diagnostic procedure to tell.

Situations:

Inability to get a GPS signal across much of Massachusetts for an afternoon.

Landing in Washington, DC, and having location services place me in Phoenix, AZ.

Walking along the sidewalk using Maps and having it decide that I'm going the opposite direction from my actual progress.

Yet nothing is complaining at me (except in the first case, where Sygic and Maps did complain about lack of a GPS lock.)

Is there anything I can do to determine if, in fact, something is broken, bent, or otherwise malfunctional?


问:
HTC and Win XP mystery
At work I use windows xp and every time I connect my HTC One for charging, I get messages that prompt me to download HTC Sync. I can't  stop these disruptive messages and there's no other way to charge my phone. Any ideas?</p>

Title: HTC and Win XP mystery


问:
Where did Knox go after Lollipop upgrade?
I have Samsung Galaxy S4. I use Knox for my work email setup and it worked well.

After upgrading to Lollipop, it disappeared. I can't find it in applications. When it tries to start itself and I type in my password it says:

Failed to mount knox partition. Restart device.

Is it possible to have it back?


问:
Problem answering calls on with Moto G (2nd generation) with Lollipop
When I receive a call I am not able to answer the call. When I try to move answer option to right it moves but call is not getting received. After that it just shows there is missed call and on other device it shows my phone is still ringing. But when there call for second time I am able to receive it without any interruption. What can I do?</p>


问:
Huge contacts storage in galaxy 4
In my galaxy for some reason my contacts storage grow to almost 6Gb (should be some sync problem.) I dont have SD . I deleted all the photos but still grow by itself and cannot open in the phone. How can I fixed?
Regards
Ricardo</p>

Title: Huge contacts storage in galaxy 4


问:
Line spacing issue when writing an e-mail draft in the Gmail app
When writing an e-mail draft in the Gmail app, 2 line breaks (e.g. between two paragraphs) get transform into 1 line break with large line spacing when I edit the draft using Gmail web interface on my computer. How can I configure the Gmail app so that 2 line breaks stay 2 line breaks?

Example:

I use a Samsung Galaxy S5 SM-G900A with Android 4.4.2.


问:
Unable to find files copied from pc to internal storage
I have copied files (around  2GB) to my android phone's internal storage from my friend's pc. But I'm unable to find those files either by using file manager(root) or from my pc.
When I checked my phone's memory usage, it confirms the presence of those files.
Is there any way to retrieve those files. </p>


问:
Does Samung Galaxy S2 support the use of Client Certificates for ActiveSync?
Does Samung Galaxy S2 support the use of Client Certificates for ActiveSync ?

Most other Android phones need to rely on TouchDown or other third party applications. Can anyone confirm if this is possible on the new Galaxy S 2.

My exchange server implements the use of Client Certificates (.pfx).

Thanks,cyphr


问:
Why can't I install some games/apps to my phone? (samsung galaxy s4)
I try to download some games, such as crossy roads or, the one i was trying to install in the image, Okay?, and it just says error; couldn't install on USB storage or SD card. But I don't know why, I have loads of room on my phones internal storage and on my SD card. It really annoys me that i cant have the game/app on my phone.


问:
How can I prevent apps being killed prematurely on my Moto G 4G?
I have a Moto G 4G (XT1039, Android 4.4.4, non rooted) which aggressively kills apps, even while they are in use. Apparently one of the few Motorola 'enhacements' (read bloatware) compared to stock.

When driving, the only apps which matter to me are the app playing music and the app giving me directions, yet every 20 minutes or so, either Play Music, or Maps (or sometimes both) will get killed. I have to find a place to stop, pull over, set the apps going again (and often Maps has forgotten my previous destination) and set off again. It gets very irritating.

I have tried looking at Settings, Developer Options, Process Stats, but the apps which show as 100% running time cover only 250MB of the devices 1GB of memory, so it must be a non 100% running time background app waking up and pushing my running apps out of memory.

A similar thing happens with both Netflix and Ingress. Every time I watch a Netflix show longer than 20 minutes, when I open the app it reloads and I have to disconnect and reconnect to my Chromecast so that I can control the stream. Similarly whenever I switch to Ingress, even if I've just looked at the home screen, I find that it has been killed and it has to reload. I have already tried uninstalling all background apps I don't absolutely need, but I still have a problem.

Is there any way to configure the task killing behaviour without root access? Or prevent specific apps from being killed?


问:
Google Play Services Battery Drain
I have sony xperia l running Android kitkat4.4.4 AKOP rom
I want to ask that my phones google play services draines my battery 60% to 80%
I tried all kind of fix but nothing sloved my problem

Thanks

Title: Google Play Services Battery Drain


问:
How to fix installation error -504?
I'm using Moto G second generation. My device is unable to install Facebook app after completion of download from play store. I checked few solutions, even removed my google account, but didn't work. I have enough space on my device and a fair connection speed. This problem is occurring only with Facebook application.
Although, I tried to download Facebook from other sources but still there's problem in installation. </p>

Title: How to fix installation error -504?


问:
How to send and reply to SMS shortcodes using Google Hangouts on Android 5.0.1?
I am on a Nexus 4 running Android 5.0.1 and using Hangouts. I cannot figure out how to send an SMS to a shortcode and how to reply to it. I have tried adding a "+" to the shortcode, and it lets me send it. However, the response comes in a different thread and does not let me reply. Has anyone gotten short codes to work with Android 5.0.1 and Hangouts? If so, then how?</p>


问:
Which is faster '1GB RAM with 64 bit' or '2GB RAM with 32 bit'
I planed to purchase new mobile. I confused with processor and RAM.

Quad-core 1.2 GHz Cortex-A53 (64 Bit) 1GB RAM

Quad-core 1.6 GHz Cortex-A7 (32 Bit) 2GB RAM

Which one will be faster?


问:
Is there a way to resize text in Firefox for Android similar to the Text Resizer addon in Dolphin?
Does anyone know if there is a way to resize text in Firefox for Android similar to the Text Resizer addon in Dolphin?

Cheers,
Sean

OwnerDisplayName: Sean Prentice


问:
Wi-fi turns on when I boot my phone
For the past few days the wi-fi on my phone has been automatically turning on whenever I boot up my phone (Samsung Galaxy Light, SGH-T399) when it's fully turned off or restarted. To address the last time someone asked, I have tried turning on wi-fi then restarting my phone, and it still loads with wi-fi turned on. I also don't have any automation apps installed. I have only installed one new app recently, about a week before this started (GroupMe), I have any wi-fi settings turned off for the app, and the issue continues with the app uninstalled.

Is there a way to keep my phone from turning on wi-fi when it boots?

Title: Wi-fi turns on when I boot my phone


问:
adb backup non-rooted before changing android version
I am planning to change from Lollipop to KitKat on my non-rooted Nexus 5.  I'd like to keep as much data and settings as possible.

I've used adb to back up my sdcard.

I'd like to use adb to backup apps and settings. One adb option is system.  I would guess that I should not back up system if I'm planning to switch Android versions, but am not sure what system means to adb.  What, exactly, does the system option do?

If I don't need data (because I've already pulled data from /sdcard/) and system would not be wise under the circumstances, would

```<code>adb backup -apk -noshared -all -nosystem
</code>```

be appropriate? If not, what should I use?

I've read a fair number of threads here, including Full Backup of non-rooted devices, so if I've missed something, please link to the thread answering this.

Or should I rely on Google backup and restore (turned on in settings) for this?


问:
Is there a way to export Google bookmarks to another app?
I currently switched to firefox and would like to keep my Chrome bookmarks, but I can't find a way. Also I'm looking for a bookmarks editor/organizer. Are there any practical solution? I can't find any on the net easily.</p>


问:
adb v backup & restore
Two ways to back up apps are adb (for example, adb -apk -noshared -all) and backup/restore (settings - backup % reset - Backup my data, also known as google backup).

What's the difference? Is one preferable to the other if you want to backup and restore all apps and settings?

Full Backup of non-rooted devices contains a lot of information on what you can backup with adb, but only links to info on google backup.

What info does Google backup? is linked, but seems out of date.  Claims I've read for google backup range from it does a good job of backing up settings, apps and related data to it does very little and is not reliable.

Title: adb v backup & restore


问:
Gyro Calibration in 4.3 (mentioned solutions not working)
i have a Sony Xperia SP running Android 4.3 and have a problem with my Gyro not being calibrated.
I don't have the Gyroscope calibration option any more - seems having been removed in 4.3.
The other Tools mentioned do calibrate G-Sensors, but not the Gyro.
The Sensor Kinetics app definitely shows that the gyro is not calibrated (turning cube on the gyro demo).
Problem is that no Google Cardboard app is working, all apps are tilting to lower right with a speed of 360degrees in ~ 70 seconds.

So, how can i calibrate my Gyro?
Why is the feature being removed in 4.3 compared to 4.2?
many thanks
Kay


问:
Can I have a contact entry with a wildcard phone number?
my office desk phone forwards to my Android mobile phone, using the original caller ID. This means that I receive calls from number like 01200 000001, 01200 000002, 01200 000003, 01200 000004 - etc, where just the last few digits change (depending on the extension that is calling me).

Is there a way to define a contact with a phone number like 01200 000*** - so it appears on my phone as a contact called "Office"?


问:
Checking for SIM card defects
Short question:

How can I obtain detailed information about my SIM card, using Android apps and/or adb (possibly root)? I'd like to diagnose mobile data connection problems possibly caused by SIM card defects.

Extended context:

I just changed my mobile operator and got a new SIM card, and everything seems to work fine except that I cannot access Internet using mobile data: whenever I try to go to any site or use any app which requires network access, a "Login required" notification pops up. Activating it opens the browser in my mobile operator's homepage, and every other site is redirected to this one.

The thing is, I do have mobile data credit, but my provider seems to be blocking it. I suspected an issue on their side, but after explaining it to technical support, they dismissed it as "probably a faulty SIM card" and told me to get another one (free of charge).

However, I can still make calls (local calls are included in my plan) and access EDGE/3G antennas (they are detected, and I can access my provider's homepage via them). I do not understand how could a defective SIM card allow this kind of behavior.

I had Wifi disabled during my tests. The APN has been configured as defined in the SIM card and checked twice to match the one suggested in their website (resetting the APN or putting the SIM on another phone reverts to the prescribed settings). Indeed it's a captive portal, intended for when you run out of mobile data (so that you can top up using your mobile and credit card), but in my case I do have available data.

I would like to know if there are apps or some adb commands which could provide more details about what's actually happening.

Note: the issue is not Android-specific (e.g. an old Symbian Nokia phone exhibits the same behavior), but I hope that a (rooted and unlocked) Android phone can provide me more detailed information about this situation.

Title: Checking for SIM card defects


问:
I Can't Access Google Playstore Nor Gmail On My Huawei Y220
My Huawei Running On Android v2.3.6 can't access gmail and google playstore anymore. I deleted the pre installed Emails but everything was working fine until when I once switched the phone off and when I switches it on, anytime I open the gmail app, it shows a blank white page which doesnt last for a second. when I open playstore, they tell me to add a gmail account but when I try adding, I am sent back to the home screen. it is rooted. ia there anything I can do to make it function like before? </p>


问:
Files deleted from Internal/External SD return with a size of 0 bytes
I am running the Resurrection Remix ROM on my i9300, I don't know what could've caused this. Every time I save files to my SD card, external or internal, for instance when I download a file from the internet and have it saved to my sdCard in storage/sdcard0/Downloads and I decide to delete that file, the file deletes fine but after a while, I check that same path and find out the files  are back with a size of 0 bytes.

After studying how the issue has been occurring, I noticed it happens with only files I download and not files I copy from my PC to the phone.

I have tried:

Deleting the files from recovery with the aroma file manager.

Clean install of my ROM to an updated version

Changing ownership of these files then deleting them from the command line via the terminal emulator app.

Formatting my internal and external sd storage from recovery.

Connecting my phone to my PC and deleting the files from there.

Here's a screenshot of how things have been going down:


问:
RPC:S-2:AEC-2 when trying to install Facebook
The phone is a Moto G running Android 4.4.4.
The problem happens when trying to install Facebook.

I've tried clearing the cache for Google Play Services and Google Play Store.
The "Uninstall updates" button in Google Play Services is greyed out.

How can I fix this issue? Thank you very much.


问:
Turning off Proxy for chrome incognito?
I have tested Adblock plus which tries to filter ads as a proxy.

After uninstalling i had to remove proxy settings.

It works generally, but not in chrome incognito mode.

How can I change proxy settings for incognito mode in chrome?

I am using Moto G2 with Lollipop.

Title: Turning off Proxy for chrome incognito?


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

Can someone tell me what might be going wrong?


问:
How to change Device ID without Root?
So, there is an app, 9chat. I was using it for a while, then out of nowhere, the app started to give me error: "Invalid user ID and Token!"

I have LG G3 D855.

I tried everything to log in to app again (restart, reinstal, changing account, etc) , yet nothing worked, then I used another Android device, and I had no problem. Even with same user and pass.

The problem is so rare, that there is no way to solve it from my side. But the developers don't help either, I saw people were not be able to log in more than a month.

And then I thought maybe factory reset, will help, so I get back up, then reseted. I did 4 factory reset, each time using different Google Account, yet each time, after installing 9 chat as the first thing, I got the error "Invalid User ID and token!"

The weirdest thing, is the app says "welcome back username blah blah blah" then says invalid token. And the other app of this company, 9GAG works fine, without any problem, using same accounts.

So, I need to change Device ID. I have latest stock Lollipop, so I can't root, and I don't like other roms. Is there any thing that can help me here? I don't need the app, I just want to win.

Title: How to change Device ID without Root?


问:
Hidden (dot-files — ".*") files not presented by MTP
Files starting with the . character (hidden files under linux/unix/OSX conventions) are not being displayed when connected to a Galaxy Stratosphere II via either Android File Transfer or simple-mtpfs.  I've got more than ten such files in the root directory of my SD Card and none of them are being displayed.

This may be a related question: Not all files are visible over MTP

However, that question doesn't mention anything about dot-files, which seem to be my issue here.  Is this a known issue or a "feature" of the MTP protocol?


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


问:
reduce size of videos
Videos made on my android device have a size of about 70 MByte per minute.

How  to reduce to size of the videos?

I guess (but don't know) that a clever CPU intensive transformation with a better output codec could make the file size much smaller.

The recoding can happen on the device itself or on a Ubuntu PC.

Title: reduce size of videos


问:
Force/Enable Pin screen lock
Is there a way to enable/set a pin code for screen lock, independently of the settings?

In my case everything is greyed out (except "Password") because I use device encryption.

Title: Force/Enable Pin screen lock


问:
Unlock phone with dead screen locked through Android Device Manager
My screen is dead and I want to unlock my phone so I can access it through Kies to backup my pictures.

I locked the phone through Android Device Manager setting an easy password (was hoping for an Unlock option once I locked it) and tried various methods to unlock it for example:

```<code>adb shell input text 1234
</code>```

Since I don't know what the lock screen look like I'm not sure of the correct inputs to unlock it.

I know the phone is on and that it responds to adb. I am also able to run apps on it through Eclipse. It's a Samsung Galaxy S5 with Android 5.0.


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

TWRP version 2.8.5.1
ADB version 1.0.32


问:
"Lucky try" & "Recommended" shortcuts being created automatically on the homecreen
I had installed xmod games apk. Then I had opened it. It showed me some 5 apps like advertisement. I had touched the app called "super flash light". After that, I am getting shortcuts in my home screen. I try to delete it but it is appearing one again. Shortcuts names: Lucky try, Recommended.


问:
Changing DPI with adb
I have a HTC Evo 3D and i want to change the DPI. I am not rooted but I know that using adb and putting the command
adb shell wm density 200
I will be able to change my DPI. But i am getting this error
system/bin/sh: wm: not found

What can i do to avoid this error.
Thanks

Title: Changing DPI with adb


问:
Handcent or other messaging app to display undread badge on dock
Now I love the standard messaging app as much as anyone (or a little less, perhaps).

But I've decided to try out Handcent.

Problem is, up until this point I've kept the default SMS-app that comes with my phone on my dock.

The advantage of this is that I always knew how many unread messages I had thanks to the badge (button/tag/wording may vary) in the top-right corner of the app-icon. It was this little red-orange label with a number on it.

Problem is, that the default Handcent icon doesn't provide this. I do have the option to use the widget that does the same thing, but widgets don't go on the dock. Because this was apparently a great idea according to some dev.

Is there any way to get a Handcent icon, complete with badge, on my dock?


问:
Edited build.prop of HCl me sync 1.0
I recently rooted my HCl me sync 1.0(u3)  and changed the build.prop to download some unsupported app. But when I rebooted the tab it stuck in a bootloop(with the screen orientation changed). I have a copy of original build.prop in my memory card. I have no custom recovery.please help me anyone</p>

Title: Edited build.prop of HCl me sync 1.0


问:
Why my ebook does not show words in my Kindle app?
I have 2 android devices. One of them shows the words. The other one does not. It also works fine in my PC. Please help.</p>


问:
Can't enter WiFi password on Moto G since Lollipop update
My Moto G upgraded to Lollipop yesterday and since then when I want to use my work WiFi I can't find where to key in the password. The Icon shows a "?" and the WiFi menu says 'connected' but I cannot use it.

How can I key in the password?


问:
Mounting USB in android 4.1.2
I am trying to mount USB pen drive in my old Xperia phone running Android 4.1.2 When I connect OTG device to my phone I get an USB power consumption error.

After little search I found a command to make it work.

```<code>su
echo 1 > /sys/bus/usb/devices/1-1/bConfigurationValue
</code>```

When I execute this command from Terminal Emulator it works perfectly and USB drive is detected by my phone.

To avoid typing this command I am trying to created a Shell script which will run this command automatically using SManager:

Shell script (left) and SManager Config (right; click images for larger variants)

When checked the log file i got only one line: script started

SManager executes it as:

```<code># /system/bin/sh /storage/sdcard0/myusb.sh
</code>```

I am not able to find out where I am going wrong. Need help!

Title: Mounting USB in android 4.1.2


问:
"Battery too low to update automatically" message
My phone is less than a year old, and I really don't use it that heavily, but the battery life is terrible at times (not always).  Sometimes, it will drain to single-digits (percentage-wise), and then a message keeps appearing at the bottom of my screen; about every 5 or 10 seconds.

The message is, "Battery too low to update automatically".  I've googled that message, and there are only 3 or 4 results returned; none of them are relevant to my issue.  That leads me to believe that this message is likely related to a specific app, and not a standard Android or LG message.

Does anyone know how I can find-out what's causing that message?  I feel like, once I locate that issue or application, then I can stop that constant updating, and hopefully prolong some battery life.


问:
How to disable Google Cast ready for Youtube on Chromecast with Chrome?
I know this sounds like a weird question but.. WTF. The "cast optimized youtube experience" is just plain horrible. I would much prefer to just cast the tab as normal.

Sometime I seem to be able to do it by accident, but most of the time everything switches over to the "optimized version". I really like my Chromecast for basic screen mirroring. I see it as an awesome wireless HDMI cable where everything even syncs up perfectly. Being able to cast a specific tab works great, even in Full screen.

But when I try to use the "optimized" Youtube version it lags, sometimes "loses control" and the volume adjustment adjusts the actual volume on the chromecast, so if i stream a normal tab afterwards and forget to reset it to max, everything is too low without the ability to change anything.. It will also refuse to add stuff to my "TV queue" and... Well, the list keeps on going, and I really find the experience horrible. I tried to make a big iframe of Youtube, but they disallow that.

I don't know if anybody knows a hack to make me able to just cast Youtube as a normal tab without the "Chrome readiness" - This is a very big deal to me.


问:
Google navigation audio stops - not pauses - audio playback
I'm not sure if this is the place to ask for help or not, but I'm getting desperate at this point, so apologies if this not the correct forum...

Google maps will stop audio playback.
I have tried different map navigation systems, and different podcast players and it almost always seems to happen. Sometimes, as soon as the map app is loaded, other times not.

This isssue is slowly driving me insane and making me really regret buying this phone. (Which is a Motorola Moto G Android 4.4.4)

Please advise what my next step should be.

I've managed to get the result from a logging app which produced the following output

```<code>--------- beginning of /dev/log/main
I/dalvikvm(26340): Enabling JNI app bug workarounds for target SDK version 11...
V/WebViewChromiumFactoryProvider(26340): Binding Chromium to main looper Looper (main, tid 1) {41f60e60}
I/LibraryLoader(26340): Expected native library version number "",actual native library version number ""
I/chromium(26340): [INFO:library_loader_hooks.cc(116)] Chromium logging enabled: level = 0, default verbosity = 0
I/BrowserStartupController(26340): Initializing chromium process, renderers=0
E/AudioManagerAndroid(26340): BLUETOOTH permission is missing!
I/Adreno-EGL(26340): <qeglDrvAPI_eglInitialize:410>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_LNX.LA.3.5.1_RB1.04.04.02.048.018_msm8226_LNX.LA.3.5.1_RB1__release_AU ()
I/Adreno-EGL(26340): OpenGL ES Shader Compiler Version: E031.24.00.08
I/Adreno-EGL(26340): Build Date: 03/07/14 Fri
I/Adreno-EGL(26340): Local Branch:
I/Adreno-EGL(26340): Remote Branch: quic/LNX.LA.3.5.1_RB1.1
I/Adreno-EGL(26340): Local Patches: NONE
I/Adreno-EGL(26340): Reconstruct Branch: AU_LINUX_ANDROID_LNX.LA.3.5.1_RB1.04.04.02.048.018 + f2fd134 +  NOTHING
D/AudioManagerAndroid(26340): ==> onReceive: s=0, m=0, n=h2w, sb=true
D/AudioManagerAndroid(26340): reportUpdate: state=0, devices=[Speakerphone, Headset earpiece]
I/dalvikvm(26730): Enabling JNI app bug workarounds for target SDK version 11...
V/WebViewChromiumFactoryProvider(26730): Binding Chromium to main looper Looper (main, tid 1) {41f5b7a8}
I/LibraryLoader(26730): Expected native library version number "",actual native library version number ""
I/chromium(26730): [INFO:library_loader_hooks.cc(116)] Chromium logging enabled: level = 0, default verbosity = 0
I/BrowserStartupController(26730): Initializing chromium process, renderers=0
E/AudioManagerAndroid(26730): BLUETOOTH permission is missing!
I/Adreno-EGL(26730): <qeglDrvAPI_eglInitialize:410>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_LNX.LA.3.5.1_RB1.04.04.02.048.018_msm8226_LNX.LA.3.5.1_RB1__release_AU ()
I/Adreno-EGL(26730): OpenGL ES Shader Compiler Version: E031.24.00.08
I/Adreno-EGL(26730): Build Date: 03/07/14 Fri
I/Adreno-EGL(26730): Local Branch:
I/Adreno-EGL(26730): Remote Branch: quic/LNX.LA.3.5.1_RB1.1
I/Adreno-EGL(26730): Local Patches: NONE
I/Adreno-EGL(26730): Reconstruct Branch: AU_LINUX_ANDROID_LNX.LA.3.5.1_RB1.04.04.02.048.018 + f2fd134 +  NOTHING
D/AudioManagerAndroid(26730): ==> onReceive: s=0, m=0, n=h2w, sb=true
D/AudioManagerAndroid(26730): reportUpdate: state=0, devices=[Speakerphone, Headset earpiece]
D/dalvikvm(26730): GC_FOR_ALLOC freed 4803K, 29% free 12245K/17224K, paused 18ms, total 23ms
</code>```

I have no clue if this helps in any way.
Thanks in advance for any help.


问:
Keeping Tasker Plugin Alive in Background
I'm experiencing a little difficulty in keeping a Tasker plugin alive in background. The name of the plugin is called Tasker Process Running (KC) and it gets killed from background by Android's LMK once the RAM gets too busy. </p>

<p>I am planning to use Tasker to keep it alive in the background using an "If" - "Else" loop. What are the proper step-by-step method to do this? </p>


问:
How do I determine which version of Android operating system my HTC incredible phone is running?

Possible Duplicate:

  How can I check the OS version of an Android device?

How do I determine which version of Android operating system my HTC incredible phone is running? This is a Verizon phone.


问:
How to install app on external SD card on Galaxy Note 3?
I have Galaxy Note 3 on Android 4.4 and it has a phone storage and internal storage. The apps are installed in these 2, but both are full. I bought a micro SD card but I can't install apps and games into the External Storage (external SD card). How can I do this?</p>


问:
Reminders doesn't work (Google Keep, Any.Do, ...)
No reminders work in applications like Google Keep or Any.Do

But when standard alarm event is fired - boom! All past reminders that you were supposed to remember 5 hours ago are displayed.

How to make them work as they should?

No greenify or similar app is installed. The phone is Alcatel One Touch with Android 4.3.


问:
Google Maps app: how to find a shop on a given street (knowing only the shop type)?
I am using the Google Maps for Android application. I know the name of a street where a certain shop can be found. I don't know the name of the shop, but I know what kind of shop it is (e.g., a book shop), and if I saw the front door to the shop I would be able to figure out it was the one I was looking for.

So, with this task at hand, I open the Google Maps app, enter the name of the street and city name (either by typing it in or by using my voice), and search. I get a red "pin" on the map, pinpointing an arbitrary place on the street I was looking for. At this point I could of course, enter Google Street View and drag the cursor down the street, looking left and right every 5 meters or so, to look for the shop. But the street is long, the process is slow, and it won't always work because the shop entrance may be hidden by a wall separating the sidewalk from the road (perhaps a sequence of stone arches or anything of the like). Besides, the images provided by Street View may not be up-to-date and over time some shop may have turned into a different shop selling a different kind of product.

Here is what I would like Google Maps to do for me:

Learn where on the street the lower numbers are found, and where the higher numbers are found. Old cities have streets running in just about any direction, and the direction the numbers increase or decrease is not always intuitive.

Provide me with the names of all shops, along with their address and other details (such as the shop type, e.g. bookstore), which can be found along the given street.

If (2) is not possible, then the names of all shops which can be reached by a street path of say, no more than a user-specified amount of meters (e.g. 50m, 100m, 200m, 300m, 500m, 1km, 2km, 3km) which must be a user-specified value.

In case (2) and/or (3) are possible, then, I would like to know, if a shop wants to appear at a given address in Google Maps, then I've heard it can be done for free by supplying an an address where some snail-mail is received with a code which is then supplied to google to confirm the existence of the shop. If this is true, where is the site where such registration can be done? Also, I've heard that at an extra price Google will also enter the shop and take pictures to post on the Google Maps service (but I haven't seen any of these from my Android device).


问:
Do devices that source power from the audio jack still work?
Some of the early audio jack magnetic stripe readers had no battery.  (Think Square, although I don't know if theirs ever worked this way.)  They sourced all their power by rectifying the weak AC signal of a tone played out of the audio jack.

About a year ago, I either read somewhere or was told by a co-worker that unpowered MSRs will not work on a majority of newer (ICS+) devices.

Edit: Since it's apparently not obvious, every MSR that lacks a battery is going to have a certain minimum power requirement.  How much power you can source from the audio port is going to vary by device.  I would expect that Google has established a standard for the minimum amount of power you can source from an Android device's audio jack, much like there's a standard minimum amount of power you can source from USB.  I found the audio headset spec, but I don't see anything in there about minimum power.

I'm finding multiple sources that say the iPhone 5 can source about 30mW from its audio jack, or 15mW per channel.  According to at least one source, some Android devices can only source a small fraction of that.  So I'm trying to find out:

if and when the minimum standard was lowered (or if there isn't a standard, if and when manufacturers started producing devices that could not source adequate power)

whether this actually means that non-powered audio jack MSRs will not work on newer devices, or if that's just a rumor


问:
Android app drawer hides
It happens on my Samsung Galaxy S4. Here is when the issue happens:

I go to applications and hold & draw an application to any folder. Before I do this, my screen looks like this (I can see the Messaging, Contacts, Phone and Apps icons):

However once I drag an app from applications screen to any folder, the bottom bar goes away. I am not sure how to get it back. Please note that the apps option is no longer available.

It gets resolved once I restart the phone. How else to resolve this? If not, at least how to get back my bottom aaps bar once it goes away?

My Android device info:

```<code>Model number: SAMSUNG-SGH-I337
Android Version: 4.4.4
Baseband Version: I337UCUFNJ4
I am running stock Samsung UI
</code>```

Title: Android app drawer hides


问:
Remote control android device via ip address
Is there a php code to control an android device based on its ip address. Control can be just up to using applications on the android device. </p>


问:
Google Calendar app entries on Android Device inconsistent with web browser entries
I cannot make sense of the entries on my Google Calendar for android application. When compared with the web version of Google Calendar (see screenshots below), I can see the following differences:

Google Calendar for Android shows two accounts (both are associated with exactly the same e-mail address, and this is exactly the same e-mail address I use to access Google Calendar via a web browser). To me this is confusing: why two accounts with the same name? And why two of them, when on the PC only one of them shows up?

Secondly, the entries (the calendar names, if this is what they are), are different. The Android app displays "Events" (but I have no calendar called Events on the web interface), Samsung Calendar (no clue as to what this is), "My calendar" (but on the web interface I have "My calendars", i.e., more than one), etc... you can see that besides "Birthdays" and "Holidays" I cannot see all the other calendars which can be seen and I have added via the web interface.

Can someone please explain these differences?


问:
stock Contacts app: confusing or missing details
I'm running Android KitKat 4.4.2 on a Samsung Galaxy SIII Neo device.

When I edit a contact with the stock Contacts app, I notice that:

It is not possible to set a birthday field when editing a contact. For contacts synced with Google, it is possible to add this field in the Gmail Contacts field, and then it will show up in the stock Contacts app as part of the details for the given contact. Why can't I just add this info directly from the contacts app when I add a contact.

I don't understand the Relationship field that one can set when editing a contact. For instance, I can add a relationship and select Mother from the drop-down-list, but then if I leave the text-box that follows blank, the entry is not saved. Of course, I can always select Relative from the drop-down-list and then enter the value Mother, but I don't understand what having "Mother" in the drop-down-list would be useful for (and the same goes for all other kinship values available in the drop-down-list).


问:
USB Debugging not working on CyanogenMod 12
I have the very latest nightly build of CyanogenMod 12 (March 21st, 2015) installed on a Nexus 4. For about a month I haven't been able to connect my phone to my computer. I have the latest USB/ADB driver installed.

When I go into the "Developer options" to toggle the "Android debugging" option, my phone automatically reboots. It appears to just do a soft reboot. Also, after it reboots the "Android debugging" option hasn't been changed. (It remains enabled)
It also reboots when I turn off "Developer options" but it actually successfully has disabled them after it reboots.

If I go into the "Storage" settings, click the menu in the top right, then "USB computer connection, it doesn't actually open up the computer connection options. Instead it just causes the page to recalculate the storage percentages, like it refreshed the page or something.

I've been thinking about backing up my phone and reflashing and reinstalling everything to see if that fixes it, but how am I suppose to back up my phone if I can't copy the backup to my computer so it's safe for when I format the phone?

Anyone have any suggestions on how to go about fixing this?


问:
Contacts and tasks missing from Gmail app
I am somewhat new to Android. I would like to know why the Contacts and Tasks functionality which is found in the web version of Gmail is missing from the Android Gmail app. Where can I find these?

I could look for my Gmail contacts in the Contacts stock app, but it shows all contacts, not only Gmail contacts, and I can't filter these so as to show only the Gmail contacts.

Also, there is no Google Tasks app on Google Play. What's the best way to view such tasks?


问:
Entering CWM Recovery Mode or Charging Resets My Phone. What should I do?
I have a Micromax Canvas 2.2 A114. I recently flashed a custom ROM and it was working pretty well.

Recently, I tried to install Xposed Framework, my phone was stuck in bootloop after the reboot process. I removed the battery and put it back, it was again back to normal.

So, I tried to enter CWM recovery, but instead my phone booted up and everything was factory reset.
Now, whenever I try to enter recovery mode, my phone gets factory reset. Even if I charge the battery and then reboot, same thing happens.

What should I do? How to enter CWM recovery or charge my phone without factory resetting/rebooting my phone?

I want to flash the Custom ROM or Stock ROM again but how to do it without getting into recovery mode.

Please help me.


问:
Update Android on HTC Evo 4G
I have a rooted FreedomPop HTC Evo 4G PC36100 with CyanogenMod 2.6.37.6. My Android version is 2.3.7. Beseband version is 2.15.00.01.15.

How can I update Android to the latest version? Is it possible? There's no button in the Settings to update, so I assume I will have to use some manual method.

I use Linux Mint 17.1 Rebecca. I installed Fastboot and Android Debug Bridge.

Maybe there's a custom rom I could install that would update the Android version? Any tips would be appreciated.

Title: Update Android on HTC Evo 4G


问:
Lost access to Settings and recovery after flashing custom ROM
i lost access and i need to restore factory to possibly return to clear the issue

I recently moved a rooted system on both Beanstalk custom and SlimSaber (both KitKat 4.4.2) to Omni ROM 4.4.3, but when I wiped and flashed I lost my recovery access (TWRP) and lost root. Then I somehow got in a bind and disabled my settings and developer options menus, and I can't re-root using USB because the connector is bad.

I think if factory reset I can at least get my menus accessible. Is there a terminal command to factory reset or a good .apk that will re-root my device? I tried framaroot and towelroot.


问:
Tablet CPU gets too hot,Shut down Resets tablet
I have a thomson MID1002 tablet (maybe Chinese). Problem is

Whenever I shut it down, it instead resets the tablet, thereby restarting it.

The internal storage shows 0.0B, hence no app can be installed.

The processor chip (CPU: ARM Cortex A9) gets too hot in idle state. I can't put my finger on it for 2 seconds.

I flashed the stock ROM successfully but problem is not yet solved. Resetting still occurs whenever I shut down, internal storage is still 0.0B, and the chip gets too hot. Is it a software level problem?
I have added the linux shell Top command result


问:
Incorrect dates on screenshots taken on Galaxy Nexus i9250
I have first Nexus (Galaxy Nexus i9250) with Android 4.3 on-board. I've been making screenshots of the screens, I'm seeing, for as long, as I have this phone (nearly three years) and there were always no problems with anything.

I made a two series of screenshots recently. First batch was made on last Saturday (two days ago, 2015-03-22) and second one yesterday (2015-03-23). I have just downloaded all screenshots to my PC, and to my surprise, I noticed, that screenshots made two days ago have all dates since middle of 2004-01 till end of that month. And all screenshots made yesterday have dates around 2005-08.

What am I missing. Is my phone going crazy after three months of using it?

BTW: This is second strange thing, that happens to my phone during past week. Is my Nexus getting too old? :> And should I start to think of replacing it? Are smartphone meant to run over three years? :>


问:
Recover photos and/or bypass lock screen on Android 5.0
I have a Samsung Galaxy S5 which I dropped on the ground so the screen broke. I had a swipe lock enabled. To be able to unlock it before it was repaired I locked it through Android Device Manager and tried to send commands to it from ADB. I was unsuccessful. The phone was repaired but wasn't wiped but now I can't access it. It keeps saying incorrect pin even though I know I've entered the pin I set through Android Device Manager.

I can't seem to set a new pin through ADM it says it's not needed since it is already protected by a pin.

Is there any way I can access my phone? Either:

Backup my pictures and then reset the phone

Bypass the lock somehow (I have ADB access and debug mode enabled)

I've tried all sorts of guides with ADB shell to remove *.key files but they don't work either because I don't have permission or because su or sqlite3 doesn't exist.

I'd prefer if I could keep the stock android image on the phone.


问:
Galaxy Note caught in Cyanogenmod initialization loop
My original Galaxy Note has been replaced with a Note 3. Hence, I was curious about installing Cyanogenmod on it. I did and it worked fine, a little while ago I wante to update to a newer version, that also had a different desktop UI than the previous install.
This time something went wrong. I'm now caught in a boot lopp with the greeting Cyanogenmod "cat" on the screen. I can also do the vol down+Power reboot and is then presented with the recovery screen. However, Odin doesn't seem to get any contact with the Note.

Do I have any options? Id so, what are they?


问:
Android Facebook Sync doesn't activate in System"Accounts/Sync" Setting
I re-added my Facebook app account to "Accounts and Sync" (in System Settings) but it won't activate sync. The button stays grey.
Sync of overall phone is on. This is after a delete and reinstall of the App.

I have Huawei m931 running Android 4.0.4. Here is what I did:

Reinstalled app on phone, after clearing cache+ data, signing out of chrome.
(not sure correct procedure).

New username/Email of my Facebook account is same as my primary Gmail/Chrome email address.

Of note is I have 2 gmail, and 1 Yahoo accounts on phone.
Also, the phone's number is used in both gmail accounts for security alerts (don't know if is relevant)

Help!, am new at this


问:
How to troubleshot: IpcThreadState log spam / system_server eating battery
The last days, i encounter the issue of my phone draining its battery fast (about 10-15%/h when idle).

I'm trying to see what's happening, there are no unusual or suspicious alarms or wake locks.

system_server has took a large slate of the phones cpu processing time (according to BetterBatteryStats), it isn't entering deep sleep.

According to logcat that doesn't wonder me - every 50ms a lot of [E] error log lines are logged.

they are

```<code>*tr[0]=value1: value2,
*tr[1]=value1: value2,
...
*tr[9]=value1: value2,
*mIn.mData[2]=value1: value2
...
*mIn.mData[11]=value1: value2,
</code>```

i suspect value1 to be pointer adresses, and value2 to be values - value2 does match between most of the logged lines, and also between tr and mData  (so tr[0].value2 == mIn.mData[2].value2 )

i know that IpcThreadState is related to the android binder ipc mechanism, but i don't really find something logging out lines like that in the repositories i've found.

Ah: Could be related: my phone is a SM-G850F Build KTU84P.G850FXXU2BNK3 Stock Firmware, rooted.

And the Question I've got is: how can i find out what is causing this extensive spam (i guess the binder is going circles due to some misbehaving application?), without doing a factory reset and reinstalling applications one by one...


问:
Unable to use Android Device Manager to reset my Password
I recently locked my Nexus 7 (2013) having Android 5.0.2 with a password, which I forgot. I, then, thought to use Device Manager, since I've authorized it from Google Settings to make changes, such as locating and changing password.

Previously, my PIN used to get reset from ADM, but, this this time I am using a Password. Is that the reason?

This is what it says, "We successfully sent a lock request to your device."

And after that when I rejoice and feel a bit relieved, "Since Google has verified that a screen lock is already set, the password that you entered won't be needed."

I am trying to override my previous password over this new password..

Screenshot is also attached!
This is the error

Is there any other way of resetting the password except ADM, on Android 5.0.2, like that Google Account's credentials it used to ask on Froyo.

P.S. I've set all permissions for ADM at Google Settings on my Nexus.


问:
Root Archos 101 xs running Android 4.1.1
I just got an Archos 101 xs Tablet from a friend of mine who has asked me to root it. I'ev had it a whole week and can't figure out a proper way to do so. I have tried searching for one-click tools and other more complex solutions like downgrading, then rooting and then install an already rooted OS. but none of it has worked.

How can I root this device?


问:
Configure Google Voice/Hangouts to work like T-Mobile's wifi calling?
I have a Google Voice number, and I have Hangouts on my phone.

What I would like to do is forward my Google Voice number to my "real" phone number when I'm in range of a cellular network, but answer it in the Hangouts app when I only have access to wifi. Effectively identical to how the "wifi calling" feature works on T-mobile.

Right now, I've got Google Voice configured to forward calls to my real number, and I've also got the Hangouts option checked to receive incoming calls. But when I call my GV number, my phone rings in 2 different applications simultaneously on the same device (dialer and hangouts) and I have to choose which one to answer, which is less than ideal.

Is there any way to configure Hangouts to only notify of incoming calls if my actual phone isn't already ringing? Or a way to automatically toggle "answer incoming calls" on and off depending on my data connection (maybe with something like Tasker)?


问:
Please any ideas for installing settings.apk to system without root on 4.4.3?
I will answer any questions you have for me....but I am just in need of an answer to the question as posted

I cannot access the settings on my device, as the settings app is not showing on the installed system applist.

Simply put, it seems the setting.apk must be replaced to save the phone.

```
non rooted
kitkat os 4.4.3
sgs4g
no usb hub working on unit
no recovery working
no settings menu access
(therefor, no dev settings menu either)
```

i have :
good full twrp recovery backup
good generic flash .image
(recovry can be set up once root is achieved)

Thus:

I have:
good apks/apps to get root access cable free
(but this can only happen when I am able to install apps from unknown sources)

I look forward to your comments

Thank you

and thanks Izzy for the suggestions


问:
Should I switch to F2FS?
I've heard a lot of hype about Samsung's filesystem named Flash-Friendly File System (or F2FS for short). I've heard about cases where the device apparently worked faster after switching to this filesystem, and I've also heard where the filesystem didn't work well and some data got lost.

Should I switch to this filesystem? Are there really objective improvements to device's preformance, or is it just a false positive? Are there any hidden risks?

Title: Should I switch to F2FS?


问:
Can Hangouts limit the number of SMS messages for specific contacts?
One of my SMS contacts has several thousand messages; I'd like to limit the number of messages per contact to a much smaller number (my prior SMS app had a per-contact setting).  I found an option "Delete old messages -- delete old messages when storage is low" and enabled it, but it hasn't helped.

Is there a way to limit the number of SMS messages kept by hangouts?


问:
how can I usb tether between two android phones
I want to access the internet connection of my first android phone with my second android phone, via usb.

I am sensitive to wifi/network radiation emissions, so I want to connect the first phone via wifi or 3G network to the internet, and have internet access through a long usb cable, from my second phone, set on airplane mode.

I have a Galaxy S2 HD LTE SHV-120S Android version 4.0, rooted and stable
The second phone I have yet to purchase.
Are there apps to enable this? Drivers?


问:
How to disable street names in android voice navigation?
I'm stuck with a quite simple problem, still can't find the solution.
I'd like to disable street names reading in voice navigation, to keep just simple guidance like "turn right" or "turn left". Can't find an option in settings so maybe configuring text to speach engine somehow would help? </p>


问:
How to fix stuttering audio playback with Soundcloud?
On my HTC desire 510, Android ver. 4.4.3 audio playback is unreliable. I encounter stuttering playback when using Soundcloud. As Soundcloud buffers everything locally and the problem is reoccurring when playing offline this can't be a streaming (network) issue.

Are there any knobs and wheels I can fiddle with?


问:
htc 516 dual sim doesnt boot. black screen. HELP!
Yesterday i was able to root my HTC 516 dual sim. i decided to use my swap partition that i created on my sd card. installed app "Memory Swap" .
it asked me to use the partition mmcblck1p2 or mmcblck0p2 imnot sure.

it was done displaying some terminal type messages about formatting.

i thought to restart to make changes take effect. it didnt turn on ever!

when i press on power button it makes a vibration but no light. took out battery several times, makes the vibration than nothing again.

when i connect to computer , pop up several drives maybe 10-15 , one drive is readable having 2 folder : images and verinfo.

USB device recognised as qhsusb_bulk .

things that i tried: from linux made a "dd" to partition aboot with my boot.img that i used for rooting. and also made a dumb to recovery partition with recovery.img that i found on the net for htc 516 DS .
still no result!!
which partitions i lost , and how can i bring them back ?

NOTE : after i successfully made the root , made a backup from adb_run . is that usable ? and how?

THANKS PLS HELP!!!


问:
Block persistent notifications, but keep regular ones?
I use Steam and Skype. I'd like to be able to hide the ongoing "Online" notifications each service have without them being killed in the background. Skype has an option to disable the ongoing notification, but then I have a ton of trouble with it randomly being killed. I don't want to completely block notifications because then I won't get notifications when I get messages.

I'm running Lollipop. I can root if there's a solution that uses that.