录音和播放

代码说明：

android语音录制和播放，部分代码：//播放 player.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (!playState) { mediaPlayer = new MediaPlayer(); String url = "file:///sdcard/my/voice.amr"; try { //模拟器里播放传url，真机播放传getAmrPath() mediaPlayer.setDataSource(url); //mediaPlayer.setDataSource(getAmrPath()); mediaPlayer.prepare(); mediaPlayer.start(); player.setText("正在播放"); playState=true; //设置播放结束时监听 mediaPlayer.setOnCompletionListener(new OnCompletionListener() { @Override public void onCompletion(MediaPlayer mp) { if (playState) { player.setText("播放声音"); playState=false; } } }); } catch (IllegalArgumentException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalStateException e) { // TODO