36
votes
3answers
40k 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 ...
36
votes
3answers
238k views

Where on the file system are SMS messages stored?

Where in the file system are SMS messages stored? I'm using ES File Explorer to browse around but can't seem to find this - is it on the phone or the SD, and where? I have an HTC Wildfire but I ...
36
votes
1answer
17k views

Where are the developer options in Android 4.2?

I wanted to access the developer options to enable adb access on Android 4.2 but cannot find it. How can I enable that? Once I've activated the menu, how can I hide it again?
36
votes
6answers
9k views

Where can I find open source Android apps?

I'm not an open source zealot, but I generally prefer to use open source applications over proprietary ones if they stack up. Are there any directory sites with reviews, ect that specialize on open ...
36
votes
1answer
88k views

Why Do I Need to Wipe Dalvik Cache?

When I'm updating a custom ROM, there's always an instruction to wipe the Dalvik cache. I don't see a reason why this is necessarily. Watching the logcat while the system is booting I can clearly see ...
36
votes
3answers
79k views

How can I run a script on boot?

I'm accustomed to running scripts on boot in Linux, but I'm not sure how to do this in Android. I'd like to start my SSH daemon on start, so I'll always be able to connect. How can I run an arbitrary ...
36
votes
5answers
27k views

What's using my GPS?

On my Android phone (a Desire HD), the GPS indicator is currently on & flashing away. How can I find out which app is responsible for using the GPS? I have my suspicions but would like to know ...
35
votes
8answers
13k views

How can I install an app given only its APK file?

I downloaded the APK file for an app to my PC. How can I install it on my phone?
35
votes
6answers
108k views

Nexus 7 won't show up as a drive on Windows in MTP mode after update to Android 4.2

It used to work just fine then I upated to 4.2 and enabled developer options (one or the other must have broken it) and since then it has stopped working, it shows up as a camera device but if I ...
35
votes
7answers
32k views

How to quit Skype on Android?

I'm using the newly released market version of Skype on my ADP1 running CyanogenMod 6.0. I can't seem to quit the Skype program. There doesn't seem to be any mechanism for signing out of Skype once ...
34
votes
6answers
52k views

Do you know other Android keypad commands (dialer codes)?

There a lots of differents keypad commands in Android. Which one do you know ? Some of them are listed here : *#*#checkin#*#* Phones home to check for updates. *#*#info#*#* - Enters a detailed ...
34
votes
3answers
40k views

How to deal with (orphaned) WakeLocks?

I guess most of you at least have heard about WakeLocks. Many of you will have experienced them already -- wether knowingly or not. Some may know how to deal with them in general -- but only few know ...
34
votes
7answers
89k views

Is there a way for me to run Adb shell as root without typing in 'su'?

Is there a way for me to run Adb shell as root without typing in su? I want to be able to have root access without going into the shell.
34
votes
3answers
33k views

How can I add a shortcut to a particular Google Drive document to my Android homescreen?

How can I add a shortcut to a particular Google Drive document to my Android homescreen? This is the Android analog to this question. Using a URL doesn't work, since I don't want to open the browser ...
34
votes
7answers
6k views

Stagefright security issue: what can a regular user do to mitigate the issue without a patch?

There appears to be a giant security vulnerability with Android that seems to basically affect all phones. PC World wrote: The vast majority of Android phones can be hacked by sending them a ...
34
votes
2answers
22k views

Is there a way to turn off translation in Google Play

I have HTC Desire with Norwegian language set up. In Google play, all program descriptions are translated to Norwegian. I find this quite annoying because most of the translations are bad, and looks ...
34
votes
4answers
107k views

How to turn off notifications for individual apps?

On my iphone, there is a "notifications" setting section, which basically just allows me to choose which apps has the power to notify me. I was wondering if there's anything similar that is available ...
34
votes
5answers
180k views

How can I get my Android Phone to use its SD card by default?

I've installed an Android ROM on my HTC HD2, and it's working smoothly and responsively. I've gotten calling, SMS, MMS and internet to work flawlessly. I do however have one small problem. With only ...
33
votes
11answers
183k views

HTC Desire low on internal storage, I'm clueless — Any help?

It's been bugging me for a while but getting quite bad lately. I get warnings that my internal storage is full, I have about 13mb left of what I believe is 512mb worth of rom. I have checked with the ...
33
votes
7answers
54k views

Is this red star icon malware? How to get rid of it?

Every now and then a red star icon appears on my brother's notification bar, as shown below. The message related to this notification is some advert like "Turbo Boost Your Battery". He has been ...
33
votes
15answers
34k views

Keeping Android quiet at night

I'd like my Android device to keep quiet during the night, no alerts for mails and talk messages, only calls and of course, the wake-up alarm. How can I do it?
33
votes
3answers
44k views

What is the difference between odexed and deodexed ROMs?

What is the difference between odexed and deodexed ROMs? Which is the standard (stock) ROMs that ship use?
33
votes
2answers
92k views

Confused by the many locations of the virtual /sdcard/

Some devices (like my Nexus 4) don't have an external slot for an SD Card. Instead, there's a root folder called /sdcard/ that is treated the same way. But I also find other paths that all point to ...
33
votes
3answers
77k views

How can I circumvent regional restrictions in Google's Play Store?

I'm travelling to country X. I want to install an application which isn't available in my country, but is available in country X; but I prefer to download and install it in advance, while the data ...
32
votes
8answers
16k views

How can I tell if I have root?

I've been attempting to root my phone (Samsung Intercept M910, but that probably doesn't matter). How can I tell that I have actually, successfully gained root? I've run a few apps which require ...
32
votes
3answers
29k views

Is there a way to look inside and modify an adb backup created file?

I created a backup of my Galaxy Nexus with adb backup. The resulting file is named backup.db and it's somehow encrypted. I wanted to restore the backup, but it stops when it comes to restoring ...
32
votes
9answers
34k views

Titanium Backup “insufficient free storage space” error

Because of my external SD card issue, I thought I should factory reset my phone then reinstall the firmware on it. Before I'd do that though, I'd have to back up my apps and their data so that I can ...
32
votes
1answer
62k views

How to distinguish Nexus 7 (2012) and Nexus 7 (2013)

I am having trouble with Bluetooth Low Energy (BT 4.0) on a Nexus 7. I think I may have a 2012 model. How to tell if I have a 2012 or 2013 version of the Nexus 7?
32
votes
2answers
71k views

How is the Gmail password stored in Android - and where?

I have looked around and found no information on how Android manages to store passwords on the device. Especially Gmail passwords. I'm looking to learn how Android encrypts and stores passwords ? What ...
32
votes
6answers
78k views

Recovering from forgotten lock pattern

My son has an impression tablet 10 and has forgot the lock pattern. How can we reset it without knowing the code?
32
votes
6answers
153k views

Silencing a Whatsapp group

I would like to stop receiving new message notifications from a certain Whatsapp group. Is it possible? Clarifications: I don't want to leave the group. I don't want to turn off all Whatsapp ...
32
votes
3answers
54k views

Do I have to charge my phone before I use it the first time?

When I got my last phone, a SE k850i, I was recommended to charge it fully once before I even turned it on. Does this apply today as well, for my coming HTC Desire HD? Why was I recommended to do so ...
32
votes
1answer
15k views

What is the ODIN tool?

Recently, I've been learning about rooting/flashing android devices and I often come across web-pages mentioning "ODIN". From my common sense, I've come to realise that it is some sort of Windows GUI ...
32
votes
2answers
3k views

How does the Heartbleed security vulnerability affect my Android device?

The "Heartbleed" vulnerability in particular versions of OpenSSL is a serious security issue which allows malicious servers or clients to undetectably obtain unauthorized data from the other end of an ...
31
votes
6answers
51k views

View app's full package name?

I am using Android 4.0.3 and I can no longer find package name for some app. If I recall, I used to go to Applications and has been able to see it there. So, how can I see full package name of some ...
31
votes
6answers
113k views

What does “avoided poor Internet connection” mean?

The connection to my work wifi just failed and below the network my phone is saying "Avoided poor Internet connection". What does this mean exactly? Has the phone detected that it can't get out to the ...
31
votes
4answers
2k views

How do I tell if my phone has Carrier IQ Software on it?

What is known about the Carrier IQ Software and Android handsets? I see a similar icon as shown on the Carrier IQ app next to an app called "Contact Data" and another called "Contact Sync". Does my ...
31
votes
2answers
18k views

Why does unlocking the bootloader wipe phone?

I understand that unlocking the bootloader will wipe my Android phone, but have been looking around for why. Seems to be by design, but what is the reasoning for that design? Is it some security ...
31
votes
1answer
17k views

When will my device get the Android 4.4 update (KitKat)?

Android 4.4 (KitKat) was officially announced on October 31, 2013. (You can review the high level changes in KitKat at the official Android Developer's site or the announcement on the official ...
31
votes
3answers
21k views

Why is the Android stock browser still alive?

The Stock browser in Android has not been actively supported, and Google Chrome is actively developed and uses modern technologies unlike it's predecessor. Yet, the stock browser still has 22.77% of ...
31
votes
3answers
59k views

Bypass “Swipe up to unlock” on Android Lollipop lock screen

I recently flashed my Nexus 4 to Android Lollipop using the factory image. I have set a pattern lock for unlocking the device. But whenever I turn on the phone, I have to click on the little lock ...
30
votes
9answers
75k views

Why is charging from computer using USB slower than using an outlet?

And what is roughly the ratio of the charging speed in USB vs charger? My phone is Samsung Galaxy S, if that matters.
30
votes
4answers
41k views

Why can the Nexus 7 display so much more content on-screen than the Galaxy Nexus?

The Galaxy Nexus is 1280x720, and the Nexus 7 tablet is 1280x800. I realize that the tablet is physically larger, but it's screen resolution, not display size, that determines screen real-estate. ...
30
votes
13answers
8k views

How can I be informed through my computer if a new SMS is received?

While I'm working with my computer, my mobile lies next to me and every time I receive a new SMS or WhatsApp message, I have to grab the phone, read the message and answer it. So It would be really ...
30
votes
4answers
46k views

How I shutdown Android phone with adb command?

How do I halt an android phone using adb command? I can reboot, but I don't know how to halt. I tried shutdown -k wait command, but it did not work.
30
votes
5answers
57k views

How to keep two versions of an app installed?

Android Market has just updated an app in my device. I liked the update, but its fully different from last version which was also my favorite. So, I want to keep last version too. I have last ...
30
votes
0answers
2k views

What are the drawbacks of moving an app to SD card? [duplicate]

Since I upgraded to Android 2.2, I noted some minor disadvantages of moving an app to SD card, like having to wait the SD card to be mounted after a reboot to be able launch the app. What other ...
29
votes
3answers
3k views

Android phone “charging slowly”: How to make it faster

When I put my Android device to charge, the lock screen says "Charging slowly": Is it a particular software setting that tells Android to charge slowly? How to make Android charge fast?
29
votes
2answers
34k views

What is `Snapshot` and `Use host GPU` emulation option(s) for?

When creating an emulator device, the option Emulation Options makes me confused. What do Snapshot and Use host GPU mean?
29
votes
1answer
31k views

When will my device get the Android 5.0 update (Lollipop)?

Android 5.0 (Lollipop) was officially announced on October 15th, 2014. You can review the high-level changes at the Android website and the announcement on the official Android blog. Of course, not ...

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