Java代码:
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;
@Override
public 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();
}
}
}
界面代码:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<SurfaceView android:id="@+id/videoView"
android:visibility="visible"
android:layout_width="320px"
android:layout_height="240px">
</SurfaceView>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="录制"
android:id="@+id/start"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/start"
android:text="停止"
android:id="@+id/stop"/>
</RelativeLayout>
</LinearLayout>
manifest文件：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="eoe.demo.Media"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/rabbit" android:label="@string/app_name">
<activity android:name=".VideoActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="7" />
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
</manifest>
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原文：http://120806872.blog.51cto.com/8289253/1395801