This article is reproduced from: http://blog.csdn.net/lilidejing/article/details/46564491

Enter the system framework layer, modify the source code of mediaplayer.java, and add a method. As a result, recompile the system and report the following error:

[java]

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………………

N ote:SomeinputfilesuseoroverrideadeprecatedAPI.

N ote:Recompilewith-Xlint :deprecationfordetails.

6warnings

Then go to mediaplayer. Java and restore the modified file. The result is compiled and passed. The key is that I need that method

The final solution: enter the Android directory and execute the make update API

After execution, recompile and pass