Memory issues on Android Device: how to approach them?

Apps 开发者_开发知识库work proper in emulator but while getting into device it crashes because of memory issues..

Can anyone please tell me how to do memory testing?

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You can use tools like DDMS, Eclipse MAT or YourKit (www.yourkit.com) to analyze memory. Memory issues often relate to bitmaps not being recycled properly or just using too many/large images at the same time. Note that bitmaps are in the native heap!

You need to create a hprof file (look for the Debug class of the Android SDK) and then load it into one of the above mentioned profiler tools. http://developer.android.com/reference/android/os/Debug.html#dumpHprofData(java.lang.String)

See these links:

https://developer.android.com/reference/android/os/Debug.html

https://developer.android.com/guide/developing/tools/hprof-conv.html