Activity代码：
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package eoe.demo.Media;
import java.io.File;
import java.io.IOException;
import android.app.Activity;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;public class VideoActivity extends Activity {private File myRecAudioFile;private SurfaceView mSurfaceView;private SurfaceHolder mSurfaceHolder;private Button buttonStart;private Button buttonStop;private File dir;private MediaRecorder recorder;
@Overridepublic void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.video);
mSurfaceView = (SurfaceView) findViewById(R.id.videoView);
mSurfaceHolder = mSurfaceView.getHolder();
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
buttonStart=(Button)findViewById(R.id.start);
buttonStop=(Button)findViewById(R.id.stop);
File defaultDir = Environment.getExternalStorageDirectory();
String path = defaultDir.getAbsolutePath()+File.separator+"V"+File.separator;//创建文件夹存放视频 dir = new File(path);
if(!dir.exists()){
dir.mkdir();
}
recorder = new MediaRecorder();
buttonStart.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
recorder();
}
});
buttonStop.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
recorder.stop();
recorder.reset();
recorder.release();
recorder=null;
}
});
}public void recorder() {try {
myRecAudioFile = File.createTempFile("video", ".3gp",dir);//创建临时文件 recorder.setPreviewDisplay(mSurfaceHolder.getSurface());//预览 recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);//视频源 recorder.setAudioSource(MediaRecorder.AudioSource.MIC); //录音源为麦克风 recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);//输出格式为3gp recorder.setVideoSize(800, 480);//视频尺寸 recorder.setVideoFrameRate(15);//视频帧频率 recorder.setVideoEncoder(MediaRecorder.VideoEncoder.H263);//视频编码 recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);//音频编码 recorder.setMaxDuration(10000);//最大期限 recorder.setOutputFile(myRecAudioFile.getAbsolutePath());//保存路径 recorder.prepare();
recorder.start();
} catch (IOException e) {
e.printStackTrace();
}
}
}
布局代码：
