Android 常用代码---多媒体

1	播放应用程序自带的音频或视频文件
权限
代码		// Put the media file into the res/raw folder of your application
MediaPlayer mp = MediaPlayer.create(this, R.raw.yourSoundId);
mp.start();
2	播放位于指定的文件路径或 URL 的音频或视频
权限
代码		MediaPlayer mp = new MediaPlayer();
mp.setDataSource(FILE_PATH_OR_URL);
mp.prepare();
mp.start();
3	开始录制音频
权限		<uses-permission android:name="android.permission.RECORD_AUDIO"/>
代码		MediaRecorder recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setOutputFile(PATH_NAME); // The file must already exist
recorder.prepare();
recorder.start();
4	停止录制音频
权限
代码		recorder.stop();
recorder.release();