Android播放視頻(四)

package cn.c;import java.io.File;import android.app.Activity;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.view.View;import android.widget.Button;public class MainActivity extends Activity {    private Button mButton;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        mButton=(Button) findViewById(R.id.button);        mButton.setOnClickListener(new View.OnClickListener() {public void onClick(View v) {Intent intent=new Intent(android.content.Intent.ACTION_VIEW);Uri data=Uri.parse(Environment.getExternalStorageDirectory().getPath()+File.separator+"Test_Movie.m4v");    intent.setDataAndType(data, "video/mp4");    startActivity(intent);}});    }}