使用Mediaplayer播放本地音频，在第二次调用mediaplayer.setDataSource()时报错如下：

Caused by: java.lang.IllegalStateException

at android.media.MediaPlayer._setDataSource(Native Method)

at android.media.MediaPlayer.setDataSource(MediaPlayer.java:)

at android.media.MediaPlayer.setDataSource(MediaPlayer.java:)

at android.media.MediaPlayer.setDataSource(MediaPlayer.java:)

at android.media.MediaPlayer.setDataSource(MediaPlayer.java:)

at android.media.MediaPlayer.setDataSource(MediaPlayer.java:)

at android.media.MediaPlayer.setDataSource(MediaPlayer.java:)

...

那么，使用reset()可解决mediaplayer引起的吃饭不香IllegalStateException问题

在mMediaPlayer.setDataSource(path);之前加一句mMediaPlayer.reset();即可

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