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Added in API level 3

public static interface MediaPlayer.OnInfoListener

android.media.MediaPlayer.OnInfoListener

要调用的回调的接口定义，以传达有关介质或其播放的一些信息和/或警告。

公共方法(Public methods)
`abstract boolean`	`onInfo(MediaPlayer mp, int what, int extra)` 打电话表示信息或警告。

Added in API level 3

boolean onInfo (MediaPlayer mp, 
                int what, 
                int extra)

打电话表示信息或警告。

参数(Parameters)
`mp`	`MediaPlayer`: the MediaPlayer the info pertains to.
`what`	`int`: the type of info or warning. `MEDIA_INFO_UNKNOWN` `MEDIA_INFO_VIDEO_TRACK_LAGGING` `MEDIA_INFO_VIDEO_RENDERING_START` `MEDIA_INFO_BUFFERING_START` `MEDIA_INFO_BUFFERING_END` `MEDIA_INFO_NETWORK_BANDWIDTH (703)` - bandwidth information is available (as `extra` kbps) `MEDIA_INFO_BAD_INTERLEAVING` `MEDIA_INFO_NOT_SEEKABLE` `MEDIA_INFO_METADATA_UPDATE` `MEDIA_INFO_UNSUPPORTED_SUBTITLE` `MEDIA_INFO_SUBTITLE_TIMED_OUT`
`extra`	`int`: an extra code, specific to the info. Typically implementation dependent.

返回(Returns)
`boolean`	True if the method handled the info, false if it didn't. Returning false, or not having an OnErrorListener at all, will cause the info to be discarded.