@Implementation
  protected void prepare() {
    checkStateException("prepare()", preparableStates);
    MediaInfo info = getMediaInfo();
    if (info.preparationDelay > 0) {
      SystemClock.sleep(info.preparationDelay);
    }
    invokePreparedListener();
  }
@Implementation
  protected void prepare() {
    checkStateException("prepare()", preparableStates);
    MediaInfo info = getMediaInfo();
    if (info.preparationDelay > 0) {
      SystemClock.sleep(info.preparationDelay);
    }
    invokePreparedListener();
  }
@ Implementation protected void prepare ( ) { checkStateException ( "prepare()" , preparableStates ) ; MediaInfo info = getMediaInfo ( ) ; if ( info . preparationDelay > 0 ) { SystemClock . sleep ( info . preparationDelay ) ; } invokePreparedListener ( ) ; }
Simulates {@link MediaPlayer#prepareAsync()}. Sleeps for {@link MediaInfo#getPreparationDelay()
preparationDelay} ms by calling {@link SystemClock#sleep(long)} before calling {@link
#invokePreparedListener()}.

<p>If {@code preparationDelay} is not positive and non-zero, there is no sleep.

@see MediaInfo#setPreparationDelay(int)
@see #invokePreparedListener()
Simulates { @link MediaPlayer#prepareAsync () } . Sleeps for { @link MediaInfo#getPreparationDelay () preparationDelay } ms by calling { @link SystemClock#sleep ( long ) } before calling { @link #invokePreparedListener () } .