mainActivity如下:
[java]
package c.c;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.VideoView;
import android.app.Activity;
import android.content.Intent;
/**
* Demo描述:
* 利用系统摄像头拍摄视频,且利用VideoView控件播放视频
*/
public class MainActivity extends Activity {
private final static int VIDEO_CAPTURE=9527;
private Uri mVideoUri;
private Button mCaptureButton;
private Button mPlayButton;
private VideoView mVideoView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
init();
}
private void init(){
mCaptureButton=(Button) findViewById(R.id.capture_Button);
mCaptureButton.setOnClickListener(new ButtonClickListenerImpl());
mPlayButton=(Button) findViewById(R.id.play_Button);
mPlayButton.setEnabled(false);
mPlayButton.setOnClickListener(new ButtonClickListenerImpl());
mVideoView=(VideoView) findViewById(R.id.videoView);
}
private class ButtonClickListenerImpl implements OnClickListener{
public void onClick(View v) {
if (v.getId()==R.id.capture_Button) {
Intent intent=new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
startActivityForResult(intent, VIDEO_CAPTURE);
} else {
mVideoView.setVideoURI(mVideoUri);
mVideoView.start();
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode==RESULT_OK&&requestCode==VIDEO_CAPTURE) {
mVideoUri=data.getData();
mPlayButton.setEnabled(true);
}
}
}
main.xml如下:
[html]
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:id="@+id/capture_Button"
android:layout_width="150dip"
android:layout_height="wrap_content"
android:text="Video Capture" />
<Button
android:id="@+id/play_Button"
android:layout_width="150dip"
android:layout_height="wrap_content"
android:text="Video Play" />
<VideoView
android:id="@+id/videoView"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
