问Android通过意图播放视频

EN

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/NoActionBar" >
    <activity
        android:name="com.example.player.MainPlayerActivity"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
        <intent-filter>
            <action android:name="android.intent.action.VIEW" />
            <category android:name="android.intent.category.DEFAULT" />
            <category android:name="android.intent.category.BROWSABLE" />
            <data android:scheme="rtsp" />
         </intent-filter>
         <intent-filter>
            <action android:name="android.intent.action.VIEW" />
            <category android:name="android.intent.category.DEFAULT" />
            <category android:name="android.intent.category.BROWSABLE" />
            <data android:scheme="http" />
            <data android:scheme="https" />
            <data android:scheme="content" />
            <data android:scheme="file" />
            <data android:mimeType="video/mpeg4" />
            <data android:mimeType="video/mp4" />
            <data android:mimeType="video/3gp" />
            <data android:mimeType="video/3gpp" />
            <data android:mimeType="video/3gpp2" />
            <data android:mimeType="video/webm" />
            <data android:mimeType="video/avi" />
            <data android:mimeType="application/sdp" />
            <data android:mimeType="video/x-ms-wmv" />
            <data android:mimeType="video/x-msvideo" />
            <data android:mimeType="video/mpeg" />
         </intent-filter>
         <intent-filter>
            !-- HTTP live support -->
            <action android:name="android.intent.action.VIEW" />
            <category android:name="android.intent.category.DEFAULT" />
            <category android:name="android.intent.category.BROWSABLE" />
            <data android:scheme="http" />
            <data android:mimeType="audio/x-mpegurl" />
            <data android:mimeType="audio/mpegurl" />
            <data android:mimeType="application/vnd.apple.mpegurl" />
            <data android:mimeType="application/x-mpegurl" />
         </intent-filter>
    </activity>
</application>

public class MainActivityHsl extends Activity {
private String url = "/sdcard/vid.mp4";

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main_activity_hsl);


    Button button = (Button) findViewById(R.id.button1);

    button.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View view) {

            playVideo(MainActivityHsl.this, Uri.parse("/sdcard/vid.mp4"), "SUKESH");
        }
    });
} 

public void playVideo(Activity activity, Uri uri, String title) {

    Intent intent = new Intent(Intent.ACTION_VIEW)
    .setDataAndType(uri, "video/mp4");
    intent.putExtra(Intent.EXTRA_TITLE, title);
    activity.startActivity(intent);
}}