Questions tagged [android]
Android is Google's mobile operating system, used for programming or developing digital devices (Smartphones, Tablets, Automobiles, TVs, Wear, Glass, IoT). For topics related to Android, use Android-specific tags such as android-intent, android-activity, android-adapter, etc. For questions other than development or programming but related to the Android framework, use this link: https://android.stackexchange.com.
android
1,419,456
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What is the difference between px, dip, dp, and sp?
What is the difference between the units of measure
px, dip, dp, and sp?
- 68k
4354
votes
130
answers
1.9m
views
How can I close/hide the Android soft keyboard programmatically?
I have an EditText and a Button in my layout.
After writing in the edit field and clicking on the Button, I want to hide the virtual keyboard when touching outside the keyboard. Can someone provide a ...
4031
votes
12
answers
369k
views
Proper use cases for Android UserManager.isUserAGoat()?
I was looking at the new APIs introduced in Android 4.2.
While looking at the UserManager class I came across the following method:
public boolean isUserAGoat()
Used to determine whether the ...
- 72.2k
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votes
78
answers
1.1m
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Why is the Android emulator so slow? How can we speed up the Android emulator?
I have got a 2.67 GHz Celeron processor, and 1.21 GB of RAM on a x86 Windows XP Professional machine.
My understanding is that the Android Emulator should start fairly quickly on such a machine, but ...
3172
votes
54
answers
831k
views
How to stop EditText from gaining focus when an activity starts in Android?
I have an Activity in Android, with two elements:
EditText
ListView
When my Activity starts, the EditText immediately has the input focus (flashing cursor). I don't want any control to have input ...
- 39.8k
3095
votes
54
answers
1.3m
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Is there a unique Android device ID?
Do Android devices have a unique ID, and if so, what is a simple way to access it using Java?
- 31.5k
2871
votes
35
answers
910k
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How can I save an activity state using the save instance state?
I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example:
package com.android.hello;
...
- 45.5k
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65
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1.5m
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How can I fix 'android.os.NetworkOnMainThreadException'?
I got an error while running my Android project for RssReader.
Code:
URL url = new URL(urlToRssFeed);
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory....
- 29.7k
2328
votes
75
answers
1.5m
views
How do I center text horizontally and vertically in a TextView?
How do I center the text horizontally and vertically in a TextView, so that it appears exactly in the middle of the TextView in Android?
- 285k
2259
votes
32
answers
821k
views
What is 'Context' on Android?
In Android programming, what exactly is a Context class and what is it used for?
I read about it on the developer site, but I am unable to understand it clearly.
- 23.4k
2084
votes
41
answers
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How to lazy load images in ListView in Android
I am using a ListView to display some images and captions associated with those images. I am getting the images from the Internet. Is there a way to lazy load images so while the text displays, the UI ...
- 70.9k
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23
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Is there a way to run Python on Android?
We are working on an S60 version and this platform has a nice Python API..
However, there is nothing official about Python on Android, but since Jython exists, is there a way to let the snake and the ...
- 591k
1992
votes
18
answers
284k
views
"Debug certificate expired" error in Eclipse Android plugins
I am using Eclipse Android plugins to build a project, but I am
getting this error in the console window:
[2010-02-03 10:31:14 - androidVNC]Error generating final archive:
Debug certificate expired ...
- 160k
1968
votes
44
answers
1.2m
views
How to get screen dimensions as pixels in Android
I created some custom elements, and I want to programmatically place them to the upper right corner (n pixels from the top edge and m pixels from the right edge). Therefore I need to get the screen ...
- 66.4k
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Android 8: Cleartext HTTP traffic not permitted
I had reports from users with Android 8 that my app (that uses back-end feed) does not show content. After investigation I found following Exception happening on Android 8:
08-29 12:03:11.246 11285-...
- 17.5k