Why does LP say can't function with out BUSYBOX?
What function does BUSYBOX perform?
How does it help in the patching process?
What is . odex and why does it take long to create for some apps?
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Applications are basically glorified ZIP archives. The java code is stored in a file called classes.dex and this file is parsed by the Dalvik JVM and a cache of the processed classes.dex file is stored in the phone's Dalvik cache.
An odex is basically a pre-processed version of an application's classes.dex that is execution-ready for Dalvik. When an application is odexed, the classes.dex is removed from the APK archive and it does not write anything to the Dalvik cache. An application that is not odexed ends up with 2 copies of the classes.dex file--the packaged one in the APK, and the processed one in the Dalvik cache. It also takes a little longer to launch the first time since Dalvik has to extract and process the classes.dex file.
Depending on the size of the odex/classes.dex file it takes longer to patch
How about. .odex: what does it mean or do?