大约有 40,000 项符合查询结果(耗时:0.0582秒) [XML]

https://stackoverflow.com/ques... 

Detect if Android device has Internet connection

... the main thread, otherwise you'll get a NetworkOnMainThread exception (in Android 3.0 or later). Use an AsyncTask or Runnable instead. If you want to use google.com you should look at Jeshurun's modification. In his answer he modified my code and made it a bit more efficient. If you connect to H...
https://stackoverflow.com/ques... 

Determine if Android app is being used for the first time

I am currently developing an android app. I need to do something when the app is launched for the first time, i.e. the code only runs on the first time the program is launched. ...
https://stackoverflow.com/ques... 

Android Studio: Default project directory

Whenever I create a new project in Android Studio it wants to put it in a generic default folder at a location something similar to (dependent on OS - Ubuntu here): ...
https://stackoverflow.com/ques... 

Developing for Android in Eclipse: R.java not regenerating

... had this pop up when I linked against a library that required a different Android support API version than I'd installed. The dependencies didn't work and my R didn't get generated after that. As others have said, it shows up in the errors log, so check there. – mikebabcock ...
https://stackoverflow.com/ques... 

Why are there two build.gradle files in an Android Studio project?

After having imported an Eclipse project into Android Studio, I see two build.gradle files: 2 Answers ...
https://stackoverflow.com/ques... 

Accessing localhost:port from Android emulator

...ith the IP address "10.0.2.2". This has been designed in this way by the Android team. So your webserver can perfectly run at localhost and from your Android app you can access it via "http://10.0.2.2:<hostport>". If your emulator must access the internet through a proxy server, you can con...
https://stackoverflow.com/ques... 

Meaning of Choreographer messages in Logcat [duplicate]

... themselves to the vsync, and properly time things to improve performance. Android view animations internally uses Choreographer for the same purpose: to properly time the animations and possibly improve performance. Since Choreographer is told about every vsync events, it can tell if one of the Run...
https://stackoverflow.com/ques... 

Android: Getting a file URI from a content URI?

...o do with the audio files, I need the URI to be in file format. When I use Android's native music player to browse for the audio file in the app, the URI is a content URI, which looks like this: ...
https://stackoverflow.com/ques... 

Android Studio: Add jar as library?

I'm trying to use the new Android Studio but I can't seem to get it working correctly. 34 Answers ...
https://stackoverflow.com/ques... 

Android: install .apk programmatically [duplicate]

I made this with help from Android download binary file problems and Install Application programmatically on Android . ...