For questions about the internal procedures and processes of the Android system.

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0
votes
1answer
137 views

System Indicator icon, what does it mean?

What does it mean when the system indicator icon (red triangle with a white exclamation point in the center) shows up next to the phone number I sent a text to?
1
vote
1answer
429 views

Why does the system not recognize my fonts?

My phone is a rooted Nexus S running the custom ROM Replicant. I copied twelve font files comprising three fonts (Arimo, Cousine, and Tinos) from my computer to the SD card, used a root file manager ...
11
votes
5answers
8k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, ...
1
vote
1answer
4k views

Install adb enabled setting from zip

Is it possible to make a zip file, similar to the one that installs GApps, that stores ADB debug mode as a system setting? Maybe somehow modify a system bootup script to change the ADB debug mode ...
1
vote
1answer
4k views

Why does bad Busybox installation in /system/xbin/ cause problems?

I've got familiar with Android not long ago. Having almost no experience, I carelessly installed Busybox, and after that the system started resetting itself after each power-off. It also didn't allow ...
2
votes
1answer
6k views

Running TRIM from shell

Is it possible to run fstrim in stock android 4.3 from adb shell? I understand it runs every 24 hours when the device is plugged in and idle but I would like to run on demand to test a few theories.
0
votes
4answers
11k views

I accidentally deleted my android phones system app

Anyone can help me on how to restore system apps like HOME.apk, i accidentally deleted it so the phone is stuck on boot, cant go to its home, my phone is a goophone4s thanks ...
0
votes
1answer
264 views

What might cause my phone to spontaneously stop booting into its custom ROM and only reboot into recovery mode?

My phone is a Samsung Vibrant running CyanogenMod 10.0 (Android 4.1.2). I rebooted my phone, as I do every few days, and instead of starting up CyanogenMod as usual, it dumped me into the ...
1
vote
2answers
674 views

Some /system/app disappear on app drawer! How to start an app not in drawer?

Android 4.1.2 Somehow the original Home launcher icon disappeared after OTA update, I'm not sure if it's the only app that disappears, but it's the most obvious when I'm testing other launchers. ...
2
votes
0answers
552 views

Music playback stops randomly

I have bought the Xperia ZQ (Xperia ZL's alias in Brazil) C6503. I am experiencing a very annoying problem: from time to time the audio playback in any audio app just stops. If I hit play again it ...
0
votes
0answers
93 views

How do I keep my /system mounted as read+write all the time?

I'm running ChainFire3D and for some reason, the per-app setting doesn't seem to work at all. But when I set the default setting itself, it works. I saw that one of ChainFire 3D's requirement is for ...
4
votes
3answers
3k views

Does the Android OS provide any overheating protection?

Apple iOS devices display the following warning and suspend operation should they overheat: Temperature [iDevice] needs to cool down before you can use it. Does the Android OS contain ...
2
votes
0answers
60 views

Is it possible to change the system language to Japanese? [duplicate]

I was wondering if it is possible to install Japanese as a System Language on my Android phone (Samsung Galaxy S2). My friend is from Japan and wants to buy her smartphone in Europe - but she wants to ...
-2
votes
1answer
386 views

What is the exact difference between user and eng binaries?

What is the exact difference between user and eng binaries for a phone (mobile device)? These are two of the build variants. I want to know the exact difference between them.
1
vote
0answers
3k views

Auto boot when charger connected (for HTC Magic)

I want to let Android OS to boot automatically when the charger connected (for HTC Magic) without pressing power button I found this guide: Complete boot when charging If your phone only gets one ...
5
votes
1answer
6k views

Is there an internal memory test for Android devices?

I need to fix a friend's phone this evening that has suddenly produced loads of android.process.media and com.google.process.gapps errors. I am going to reinstall the OS as it's an older ROM but it ...
2
votes
2answers
919 views

How to switch on/off system load and running processes overlay

Somehow I have managed to get my Android phone (HTC Wildfire running Cyanogenmod 7.1 / Android 2.3.7) into a state where the system load (in unix uptime format) and running process list is constantly ...
-1
votes
2answers
20k views

Installing Android on Symbian Phone [duplicate]

Possible Duplicate: Can I install Android on my non-Android device? I want to know if I can install Android on my Symbian phone. Please provide the link where I can download Android, and ...
7
votes
3answers
2k views

Choosing apps to load and remove from memory when using Android

I'm not a programmer. And as far as I know, Android uses as much RAM as possible, loading as many apps as possible, so that launching / opening (or returning to them) is smoother. My question is: Is ...
32
votes
3answers
28k views

Is Android a 32-bit or 64-bit OS?

The title is pretty much self-explanatory: is Android a 32- or 64- bit OS? I assume that it is one or another and not both, as that would force both 32- and 64-bit binaries to be hosted on Google ...
-2
votes
3answers
7k views

How can I make the system folder writable without rooting?

My device is Sprint Samsung Galaxy S III Model number: SPH-L710 I want to do this, because I want to stop the camera shutter sound. And I don't want to root my device.
1
vote
0answers
65 views

Changing some system file values in Android failing

I am trying to change some sys values but I don't seem to be having much success. In my case I am trying to change values of files in the folder ...
2
votes
2answers
16k views

How to manually disable or hide the system bar (menu bar) at the bottom of the screen?

I am using an ASUS Transformer TF300 with Android 4.1.1, and there is an app that shows the playing cards at the bottom of the screen, and show the "Continue" button when the card game is finished. ...
1
vote
1answer
975 views

Reinstalling Android after mobile has been erased by DBAN?

I was curious if a Android mobile is erased using DBAN, then can the Android be reinstalled on the mobile or it becomes useless ?
0
votes
1answer
363 views

Why my (unrooted) /data partition appears to be empty?

I am having some issue with my /data partition. Among other things, when I browse its contents with the Astro app, it appears to be empty. The phone has never been rooted and it has been factory-reset ...
5
votes
1answer
1k views

How can I monitor and visualize the current resource usage (CPU, Memory, etc.) caused by the running Apps?

I am looking for typical per app/process resource usage information (CPU, Memory, etc.). This information is often useful to find and identify misbehaving apps. How can I monitor and visualize the ...
14
votes
2answers
22k views

How can I deal with unwanted system applications without rooting?

There are a lot of system apps in my mobile that I do not use, and have no intention of ever using. I know that is is possible to uninstall system apps and bloatware with root, but is it possible ...
3
votes
1answer
20k views

How to mount system in rw mode if no custom recovery

When I changed my build.prop for spoofing another device model, I copied build.prop from another device having gingerbrad but my system is froyo. When I rebooted, I lost my internet connection. It ...
2
votes
0answers
692 views

How To Disable htcCheckinService?

This process causes CPU spikes and sometimes incredibly slows down whole system. I need to know how to disable it. Tried with Quick System Info PRO but it won't allow me to end process or close it. ...
3
votes
2answers
517 views

Toshiba Thrive, changing system font

I am currently running the Favum 1.1 ROM on my toshiba thrive, and I tried to use Font Installer to install a new system font. For some reason the font will install, but the actual font on my thrive ...
1
vote
1answer
1k views

rmt_storage keeps polling and spam logcat

In logcat I can see rmt_storage keeps doing something every 2/3 seconds I/rmt_storage(15279): rmt_storage open success I/rmt_storage(15279): rmt_storage shared memory ioctl success ...
3
votes
1answer
97 views

Where does shared prefrences data are stored in Android device?

I want to know where Android stores the data of SharedPreferences in actual Android devices? In PC I found this data under /data/data/pkg_name/shared_prefs/pkg_name.xml
5
votes
1answer
6k views

Can I convert a system app to a user app, uninstall it, or move it to my SD card?

Is it possible to convert a system app to a user app and then uninstall it or move it to SD? I'm thinking about not critical apps, such as Astro filemanager (I use Root Explorer), Google maps, Google ...
-2
votes
1answer
176 views

My Galaxy S II is not properly allowing me to use USB storage mode - how can I fix this?

My phone Samsung Galaxy S2 is giving me issues with 2 removable drives(Drive E and F) shown on my computer. It also doesn't allow me to connect to USB mode. Has anyone had this issue before with ...
15
votes
3answers
16k views

What's the meaning of signal strength colors in battery usage screens?

The battery usage screen has an indicator for "Signal strength" that, instead of being blue/black like WiFi, has many colors: green, gray, yellow. What's their meaning?
7
votes
2answers
3k views

Is it possible to write to a device's clipboard using ADB?

I am interested in learning how to write to (and if possible, read from) a rooted Android device's clipboard. I hope to do so using ADB over USB and I am not interested in installing any apps to help ...
5
votes
0answers
2k views

How to prevent shutdown when low battery? [closed]

When I'm using my hacky backlight modulation program which toggles screen off and on fast enough to simulate ultra-dim brightness Android sometimes gets wrong info about battery charge (it sees 0% 0V ...
10
votes
3answers
22k views

What are the differences between a system app and user app?

As I've played around with different ROMs and used Titanium Backup, I see that apps are categorized into system and user apps. Several ROM developers state that Titanium Backup should only be used ...
3
votes
1answer
117 views

Phone starts playing podcast for no apparent reason

This started yesterday, and I have no idea why. I noticed my phone was playing a podcast. I've been using BeyondPod for a while, which is sometimes a bit wonky, but never had this kind of problem. I ...
2
votes
1answer
3k views

How can I monitor my phone's activities?

A couple of times I've found my phone turned off when I don't remember doing so, especially when I have a fully charged or nearly full battery. Are there any applications out there that will monitor ...
3
votes
2answers
5k views

Media Storage: what is it, and why is it using all my data?

I am only 5 days into my Billing cycle, and noticed that already like 1/3rd of my data has been used (thanks to My Data Manager)... So I looked to see what has used all this data, and it says it is ...
5
votes
2answers
12k views

How do I install an apk as a system application?

I'm trying to install an application in the system/app folder of a device. It needs to be done since I'm writing a QAT program and the tests need to run with a few privileges not available to third ...
11
votes
4answers
100k views

What is SNS App?

I'm using a Samsung Galaxy I551 with Android 2.2 FroYo. Sorry for my ignorance, but I have not idea what is that app (which came installed and without rooting can't be removed). And it is using 15MB ...
2
votes
1answer
2k views

What's the difference between Camera.apk and com.sec.android.app.camera.apk?

I'm trying to install a modified version of the Camera app on my rooted Samsung Galaxy S (Captivate) through copying to /system/app and through installing a zip file via ClockWorkRecovery. It doesn't ...
0
votes
1answer
361 views

Will gingerbread system apk apps upgrade over froyo's?

On my froyo , I just found several apk files of gallery, FMradio, etc etc inside "/" directory using filemanager.. I was wondering if gingerbread's system apps can be used to "upgrade" over these ...
2
votes
1answer
5k views

How to give root access to apps that don't request it?

I've been using the app SystemPanel for some time now to archive my Android apps. It works great, but it cannot archive apps that have been installed under /data/app-private, because this directory ...
2
votes
2answers
141 views

Is It Possible To Backup Settings And All Customized Stuff I Made On Android Cellphone?

Which backup is that? Full backup that backs up whole system? Or is it only backup that backs up settings and customized stuff?
3
votes
4answers
3k views

Free system information for Android such as Everest for Windows

There is any apk that shows the system and hardware information about my Adroid phone??? I mean an aplication such as Everest (or msinfo32) does for Windows.
9
votes
1answer
767 views

Hiding System icons in Notification area?

Does anybody know a reliable way to remove system icons from the notification area? I have a smaller screen on my (rooted, default ROM) Optimus T and I find some of the system notifications icons ...
6
votes
1answer
19k views

Which system files are safe to delete?

I got only 160MB internal storage out of which 100MB is reserved by android operating system. Which System files and folders are safe to delete? For example: de, fr, es and it files in ...