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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
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Uploaded my proposal at github
(Is working with all android versions though view hardware acceleration is strongly recommended for this kind of animations. For non hardware accelerated devices a bitmap caching implementation should fit better)
Demo video with the animation is...
How to parse the AndroidManifest.xml file inside an .apk package
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Use android-apktool
There is an application that reads apk files and decodes XMLs to nearly original form.
Usage:
apktool d Gmail.apk && cat Gmail/AndroidManifest.xml
Check android-apktool for more information
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android TextView: setting the background color dynamically doesn't work
Setting the background color programatically of an android TextView doesn't seem to work.
I'm I missing something!
14 Ans...
How ListView's recycling mechanism works
...h understand the mechanisms of the list view by referring to an image from android.amberfog
Whenever your listview is filled by an adapter it basically shows the number of Rows that the listview can show on screen and the number of rows doesn't increase even when you scroll through the list. This i...
Android OpenGL ES and 2D
..., I want to learn OpenGL ES directly since I'm targeting my development to android, however. I want to learn OpenGL ES in order to develop my 2D games. I chose it for performances purpose (since basic SurfaceView drawing isn't that efficient when it comes to RT games).
My question is: where to sta...
How to convert a color integer to a hex String in Android?
I have an integer that was generated from an android.graphics.Color
9 Answers
9
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How to detect when an Android app goes to the background and come back to the foreground
...olution with onWindowFocusChanged and onStop.
For more details check here Android: Solution to detect when an Android app goes to the background and come back to the foreground without getRunningTasks or getRunningAppProcesses.
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How to delete shared preferences data from App in Android
...> (choose your app)
-> Clear data or Uninstall
Newer versions of Android:
Settings -> Applications -> (choose your app) -> Storage -> Clear data
and Clear cache
share
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How to make a background 20% transparent on Android
...alpha channel. For example, for red use #CCFF0000:
<TextView
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android:background="#CCFF0000" />
In the example, CC is the hexadecimal number for 255 * 0.8 = 204. Note that the first two hexadecimal digits are for the alpha channel. The format is #AARRGGBB, where AA is the alpha cha...
getString Outside of a Context or Activity
...ces without using `Context`
You can use:
Resources.getSystem().getString(android.R.string.somecommonstuff)
... everywhere in your application, even in static constants declarations.
Unfortunately, it supports the system resources only.
For local resources use this solution. It is not trivial, b...