public class MainActivity extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	}
	
	/**
	 * 拍照
	 * @param v
	 */
	public void takephoto(View v){
		
		   Intent intent = new Intent();
		   //拍照
		   intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE ); 
		   File file = new  File(Environment.getExternalStorageDirectory().getPath(),"paizhao.3gp");
           //使用到了sd卡所以还需要在清单文件中增加sd卡读写权限
		   intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));
		   
		   // 开启意图 
		   startActivityForResult(intent, 1);
		   
		
	}
	
	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		Toast.makeText(getApplicationContext(), "保存成功", 1).show();
		
		super.onActivityResult(requestCode, resultCode, data);
	}
	
	
}