Android system compilation error Note: Some input files use or override a deprecated API. Solution: androiddeprecated

Android system compilation error Note: Some input files use or override a deprecated API. Solution: androiddeprecated

Go to the system framework layer, modify the source code of MediaPlayer. java, and add a method. The following error is returned when the system is re-compiled:

.................. Note: Some input files use or override a deprecated API. note: Recompile with-Xlint: deprecation for details.6 warnings

Go to MediaPlayer. java to restore the modification, and the result is compiled. The key is the method I need...

Solution: Go to the android directory and run make update-api.

After the execution, recompile and pass.