我正在为android安装一个电台应用程序,并且发现了一个奇怪的问题。这是代码的一部分:Android:在模拟器上工作的MediaPlayer,但不在设备上
mediaPlayer = new MediaPlayer();
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.setVolume(1, 1);
try {
mediaPlayer.setDataSource(url);
mediaPlayer.setOnPreparedListener(
mediaPlayer.prepareAsync(); // prepare async to not block main thread
该项目运作良好的仿真器(2.2,2.3),但是当我尝试对我的两个设备(包括Android 2.2的),没有音频。我已经尝试了很多解决方法,但它似乎很奇怪,音频在模拟器上工作,但不在设备上。
PS:我已经设置网络权限
编辑:所有listiners均达到(OnBufferingUpdateListener,OnCompletionListener,OnErrorListener,OnInfoListener,OnPreparedListener)在模拟器我听音乐,但它在logcat中给出了错误:emulator log
这表明在logcat中(器件)的错误:
E/OMXPlayer( 953): Creating new NVOMXPlayer: 0x9c1a8
E/OMXPlayer( 953): onFirstRef ++
E/OMXPlayer( 953): onFirstRef --
E/OMXPlayer( 953): setdatasource ++
E/OMXPlayer( 953): 0x9c1a8 setDataSource url=http://XXXXXX:8000
E/OMXPlayer( 953): render thread(10972) started: 0x9c1a8
E/OMXPlayer( 953): STATE_PREPARING - signal wait 0x9c1a8
E/OMXPlayer( 953): prepareAsync: 0x9c1a8
E/OMXPlayer( 953): STATE_PREPARING - signal rx'd 0x9c1a8
E/OMXPlayer( 953): prepare 0x9c1a8
E/OMXPlayer( 953): 0x9c1a8 Creating player for: http://XXXXX:8000
D/ ( 961): NVRM_DAEMON(803): rt_exist=2, add client ref
D/ ( 953): NvMMSetUserAgentString:: Len: 49: String: User-Agent: (NvMM Client v0.1; Linux;Android 2.2)
D/ ( 953): connect cancelled
D/ ( 953): connect cancelled
D/ ( 953): connect cancelled
D/ ( 953): connect cancelled
D/ ( 953): connect cancelled
D/ ( 953): connect cancelled
D/ ( 953): connect cancelled
D/ ( 953): Event_BlockError from 13SuperParser : Error code - 4
D/ ( 953): Graph_EventHandler: ERROR for READER [0x80001005]
D/ ( 953): Graph_EventHandler: ERROR for READER [0x80001005]
E/MediaPlayer(10958): error (1, 0)
E/ (10958): Prepare failed.: status=0x1
E/ (10958): java.io.IOException: Prepare failed.: status=0x1
E/ (10958): at android.media.MediaPlayer.prepare(Native Method)
E/ (10958): at app.relax.com.StreamingMediaPlayer.listen(StreamingMediaPlayer.java:64)
E/ (10958): at app.relax.com.StreamingMediaPlayer.startListening(StreamingMediaPlayer.java:74)
E/ (10958): at app.relax.com.StreamingMediaPlayer.access$0(StreamingMediaPlayer.java:70)
E/ (10958): at app.relax.com.StreamingMediaPlayer$1.run(StreamingMediaPlayer.java:51)
E/ (10958): at java.lang.Thread.run(Thread.java:1096)
E/OMXPlayer( 953): prepare 0x9c1a8 exit with error
E/OMXPlayer( 953): Error in prepare
E/OMXPlayer( 953): Worker Thread Exit -
什么返回“isPlaying()”?你的流是否播放?确保你设置了音量。您还可以注册一个侦听器来检查是否存在警告或错误“setOnInfoListener()”。 –
在设备上它给了我一个解码器错误,在模拟器工作。我真的不明白发生了什么:| – Stefano
哪个解码错误? –