35
votes
9answers
10k views

How do I disable the 'click' sound on the camera app?

When I take a picture it makes a 'click' sound. As this is default behavior, I would like to turn it off. Is there a setting to do so; or if I find+delete the sound file, will there be repercussions? ...
35
votes
2answers
1k views

App that reads images of QR codes?

Very often I will be browsing the internet on my HTC Evo. I constantly come across websites that reference an android application, and provide a QR code of the URL to download the application from ...
35
votes
2answers
15k views

How do I update Android on my device?

This Community Wiki question is designed to be the "canonical question" for questions asking how to upgrade one's device to a new Android version. I want to get a newer version of the OS for my ...
35
votes
5answers
117k views

How do you import CA certificates onto an Android phone?

I want to connect to my University's wireless using my Nexus One. When I go to "Add Wi-Fi network" in Wireless Settings I fill in the Network SSID and select 802.1x Enterprise for the security and ...
34
votes
4answers
11k views

Just how secure is a pattern lock?

I recently had a phone stolen. It's been replaced, I've changed my passwords, the phone company has shut down connectivity for the stolen one... I think I'm pretty much as safe as I can be. However, ...
34
votes
4answers
67k views

What is an “Emergency Call,” and can I set number for it?

On the default lock screen, whether using pattern or pin, there is a button at the bottom which says "Emergency Call". But if I try to call my home number or anything it tells me "That is not an ...
34
votes
6answers
9k views

Support for Multiple Users on same device

Is there such a thing as a "current user" on Android and a way to switch it? I'm interested in getting a Motorola Xoom and would like to share it with my wife when at home. For my Windows laptop we ...
34
votes
12answers
50k views

How do I send SMS from PC through Android Phone or to Android Phone?

I'm looking for an app that will let me type text messages on my PC and send the SMSs directly from the PC through my phone, or save the messages to the phone for later use. I'm basically looking at ...
34
votes
4answers
117k views

Can not unlock my Android device as have no internet connection?

I have an Android device which is running Android 4.0.3 (or something like that). My little brother decided to try and guess my lock screen pattern the other day, and ended up locking me out. I ...
33
votes
7answers
9k 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?
33
votes
1answer
72k views

What is *Cell standby* and how can I keep it from eating my battery?

Looking up my battery statistics, I almost always find Cell standby amongst the top consumers: I never thought that "idle" would use so much energy. I saw that other people encounter similar ...
33
votes
1answer
8k views

Android 4.2: How to get the Easter Egg, a new daydream, and Developer options?

How can I get the Easter Egg hidden in Android Jelly Bean? How could I use that Easter Egg to enable a hidden daydream in Android 4.2? How can I enable the Developer options, hidden by default in ...
33
votes
5answers
3k views

How Do I Know Which Google Account is Used for the Market?

So far I've never purchased anything from the Market but just installed free apps. Now, I'd like to purchase an app and I want to make sure the Market is using the correct Google account, since I have ...
33
votes
2answers
17k views

Is there some SSH server for android?

Is there an ssh server for Android (such as openssh for Ubuntu) that will allow me to access my device console via PuTTY?
33
votes
4answers
3k views

Is an antivirus really needed for Android?

I use Linux for half a decade now, so I am not used to dealing with viruses anymore. To my surprise, I saw some discussion about antiviruses in Android. I haven't installed any yet, but this bugs me: ...
33
votes
8answers
80k views

How to play a YouTube clip in background/minimised?

The stock YouTube app (here on 2.1-eclair, but applies to all android versions) stops playing when I minimised, switched to another application or even when I lock the phone. And when I resume it ...
32
votes
6answers
16k views

Can I use 2 android phones as walkie talkie? (without internet!)

I want to use 2 (or more) android phones as walkie-talkie (i.e. they talk each other without needing internet/voice call). Of course this should work with WiFi, because it doesn't make much sense a ...
32
votes
7answers
40k views

Can I use multiple Android devices with a single Google account?

Surprisingly I haven't found a satisfactory answer for this in a FAQ somewhere or anything. I have a Motorola Droid (with froyo, if it matters) I am thinking about getting a Samsung Galaxy Tab. ...
31
votes
3answers
20k 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 ...
31
votes
6answers
75k views

Can I connect an Android phone to an external monitor, keyboard and mouse?

Is it possible to somehow connect a monitor, keyboard and mouse to an Android phone and then use it as a lightweight computer (netbook-like)? If it is, what Android version / phone type support it, ...
31
votes
3answers
8k views

How do I perform a full pre-rooting backup of an Android phone?

The question arises because the best-rated backup application (Titanium Backup) requires root. So what would one use instead when getting a really complete backup is essential? Is there a file ...
31
votes
2answers
2k views

Encrypt the phone's internal storage

Is there a way to encrypt my phone's internal memory, in the same way you would encrypt a computer's partition? Ideally, the phone would always ask for the password when booting, and even if someone ...
30
votes
7answers
48k 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 ...
30
votes
4answers
38k views

How to make an Android device to display complex rendering of Indic characters?

Please excuse the length of this question. I need to explain all this to help others and to avoid helpful contributors to provide answer without asking clarifications. My requirement in one line: "to ...
29
votes
11answers
53k views

How do I disable the “Select input method” Notification?

I don't know if this is standard ICS behavior or if it's due to my Cyanogenmod based ROM, but every time I open the soft keyboard by clicking on a text box/area a notification appears in the ...
29
votes
11answers
120k 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 ...
29
votes
2answers
10k views

How to buy an app for a friend?

I would like to buy a game (well several copies of it really) for some of my friends for Christmas. Is there any way to do this? Would I have to rely on the publisher, or is there some way to "gift" ...
29
votes
4answers
8k 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 ...
29
votes
2answers
2k 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 ...
28
votes
5answers
10k views

Why are some USB chargers slower than others?

It seems with USB chargers for my android phone, not all are created equal. The first pic is the official charger which came with my phone (galaxy nexus). It charges quickly, from 0 to 100% in a ...
28
votes
7answers
27k 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 ...
28
votes
1answer
116k views

How can I stop applications and services from running?

When my phone starts up there are several application/services running in the background that I would rather not. And when I press the Home button while using an app, that app usually goes into the ...
28
votes
5answers
43k views

Dropbox for Android folder location

Where does Dropbox for Android saves files when you click on "Download"? I've read How to search for files and folders? But my /sdcard/dropbox is empty even if I've downloaded a file just now.
28
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 ...
28
votes
11answers
1k views

Where can I find a comparison of Android devices?

I recently got fed up with my previous smartphone (name omitted) and I'm considering switching to an Android based phone. However, I have been stumped by the sheer number of handsets. I'm more than ...
28
votes
1answer
163k views

How can I determine if my device has USB Host Mode (OTG) support?

Some Android devices can act as a USB host, so that you can use other USB devices attached to them. For instance, browse or import the photos stored on a camera from your phone, or copy files onto a ...
27
votes
4answers
37k 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. ...
27
votes
3answers
1k views

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

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 ...
27
votes
2answers
146k views

What are the names of the various versions of the Android OS, and how are these names chosen?

Many people refer to Android versions by "codenames" rather than version numbers (e.g. Android "Gingerbread"). What are the names of the various versions of the Android OS, and how are these names ...
27
votes
14answers
5k views

Are there any tools to sandbox a malware application even more than the granted permissions on Android?

Suppose I want to run some program which requests too many permissions. For example, record from the microphone or read IMEI of my phone. However, there are no practical explanation why recording from ...
27
votes
6answers
8k 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 ...
27
votes
10answers
44k views

How to move phone contacts to Google?

When I create a contact on my Android phone, I can choose to store it to the SIM, the phone or to Google. If I choose phone, is there an easy way that I can move or copy that contact to Google (so it ...
27
votes
1answer
7k views

The name “Alicia Han” appears to be calling!

I think there's a bug in Android where some Alicia Han appears to be calling. This happens some times if you hang up on someone calling you, or you have a missed call. The name appears in the instant ...
26
votes
13answers
6k 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 ...
26
votes
6answers
44k 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?
26
votes
3answers
25k 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 ...
26
votes
3answers
69k views

Red notification light on Nexus 4, won't power on, device unresponsive

This morning my Nexus 4 wouldn't turn on, so I plugged it in, but the white battery recharging icon doesn't show up when I press Power, and holding Power doesn't turn on the phone. Instead the ...
26
votes
1answer
55k 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 ...
26
votes
3answers
59k views

How can I install the Google Apps Package (Play Store, …) on my Android device?

I have recently installed a custom ROM and cannot find the Play Store. It seems like all apps that belong to Google are missing. How can I install the Google Apps Package (Play Store, ...) on my ...
26
votes
4answers
80k views

My device is getting slow, apps start misbehaving/crashing. What can I do?

Everything was working fine for a long time. But suddenly the device is getting slower than usual (e.g. apps react slowly when starting an action -- like the RSS reader takes "ages" to open an ...

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