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In application the CPU usage goes to 10 to 20 % then the app will be too slow,In my app fully using JSON process fetch data from server.How to reduce the CPU usage.any know pls help me.

Yugesh
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    This is a vague question, and it's almost impossible to answer, don't you think? Did you try a profiler such as traceview? http://developer.android.com/tools/debugging/debugging-tracing.html – Dan Feb 04 '13 at 13:58
  • cpu use age high in my app. – Yugesh Feb 04 '13 at 14:12

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There are few tools that you can use to profile your application to understand which methods are most expensive to execute.

Take a look on this articles :

http://developer.android.com/tools/debugging/debugging-tracing.html
http://www.curious-creature.org/2012/12/01/android-performance-case-study/

EvZ
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