private void startPrecaching(){
  Log.v(TAG,"Start precaching");
  prepareNativeLibraries();
  mIsPrecaching=true;
  acquirePrecachingWakeLock();
  mPrecacheLauncher.start();
}

private void startPrecaching ( ) { Log . v ( TAG , "Start precaching" ) ; prepareNativeLibraries ( ) ; mIsPrecaching = true ; acquirePrecachingWakeLock ( ) ; mPrecacheLauncher . start ( ) ; }
begin a precache cycle .
