Android：MediaPlayer getCurrentPosition() 卡住答案

【问题标题】：Android: MediaPlayer getCurrentPosition() gets stuckAndroid：MediaPlayer getCurrentPosition() 卡住
【发布时间】：2013-01-28 15:49:42
【问题描述】：

我正在根据 MediaPlayer 更新 SeekBar。有时它会停止更新进度，它会卡住，我得到相同的值。（但是声音没有卡住。）这些是我的 logcat 消息，我打印出进度，你可以看到它一直运行良好，直到 2048 年，然后它停止并在一段时间后继续更新。这是为什么？（我注意到从android 4.0开始，我的另一部android 2.2的手机上就没有这个问题了）

01-28 16:41:21.446: D/MyMediaPlayer(10342): progress:  56 / 10472
01-28 16:41:21.501: D/MyMediaPlayer(10342): progress:  107 / 10472
01-28 16:41:21.556: D/MyMediaPlayer(10342): progress:  158 / 10472
01-28 16:41:21.610: D/MyMediaPlayer(10342): progress:  209 / 10472
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01-28 16:41:21.704: D/MyMediaPlayer(10342): progress:  311 / 10472
01-28 16:41:21.759: D/MyMediaPlayer(10342): progress:  362 / 10472
01-28 16:41:21.806: D/MyMediaPlayer(10342): progress:  413 / 10472
01-28 16:41:21.837: D/dalvikvm(307): GC_CONCURRENT freed 1835K, 16% free 19932K/23495K, paused 3ms+12ms, total 101ms
01-28 16:41:21.860: D/MyMediaPlayer(10342): progress:  458 / 10472
01-28 16:41:21.907: D/MyMediaPlayer(10342): progress:  514 / 10472
01-28 16:41:21.962: D/MyMediaPlayer(10342): progress:  565 / 10472
01-28 16:41:22.009: D/MyMediaPlayer(10342): progress:  616 / 10472
01-28 16:41:22.063: D/MyMediaPlayer(10342): progress:  667 / 10472
01-28 16:41:22.118: D/MyMediaPlayer(10342): progress:  718 / 10472
01-28 16:41:22.165: D/MyMediaPlayer(10342): progress:  770 / 10472
01-28 16:41:22.212: D/MyMediaPlayer(10342): progress:  820 / 10472
01-28 16:41:22.267: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.313: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.368: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.415: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.470: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.524: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.571: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.626: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.673: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.727: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.774: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.829: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.884: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.931: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:22.985: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:23.032: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:23.087: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:23.142: D/MyMediaPlayer(10342): progress:  2048 / 10472
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01-28 16:41:23.243: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:23.290: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:23.345: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:23.392: D/MyMediaPlayer(10342): progress:  2048 / 10472
01-28 16:41:23.454: D/MyMediaPlayer(10342): progress:  2054 / 10472
01-28 16:41:23.501: D/MyMediaPlayer(10342): progress:  2105 / 10472
01-28 16:41:23.556: D/MyMediaPlayer(10342): progress:  2155 / 10472
01-28 16:41:23.602: D/MyMediaPlayer(10342): progress:  2207 / 10472
01-28 16:41:23.657: D/MyMediaPlayer(10342): progress:  2258 / 10472
01-28 16:41:23.712: D/MyMediaPlayer(10342): progress:  2309 / 10472
01-28 16:41:23.751: D/MyMediaPlayer(10342): progress:  2360 / 10472
01-28 16:41:23.813: D/MyMediaPlayer(10342): progress:  2411 / 10472

【问题讨论】：

在进度不更新期间视频本身是否挂起？
它播放音频，但没有挂起。

标签： android android-mediaplayer

【解决方案1】：

我曾经注意到getCurrentPosition() 没有返回正确值的类似问题。

请看这里：VideoView getCurrentPosition() irregularity on Acer Iconia A200

我从未找到导致它返回错误位置的原因。然而，我采用的解决方法只是通过存储我开始播放视频的时间戳并参考该时间戳来确定视频播放了多长时间来自己跟踪时间。似乎是多余的，但是当内置方法没有时，这至少给了我正确的值。

【讨论】：