使用VideoView和MediaController进行视频播放

一个视频播放的activity，可以直接拿过来用，比较简单，直接贴个代码留作记录，效果如下：

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1. /** 
2.  * 视频播放的activity<br> 
3.  * 使用方法：<br> 
4.  * 1、AndroidManifest.xml中添加此activity<br> 
5.  * 2、Intent中存入待播放视频的URL，支持本地和网络<br> 
6.  * 3、启动这个activity<br> 
7.  * <br> 
8.  * example：<br> 
9.  * String url = “play url”;<br> 
10.  * Intent intent = new Intent();<br> 
11.  * intent.setClass(this, VideoPlayActivity.class);<br> 
12.  * intent.putExtra(VideoPlayActivity.KEY_URL, url);<br> 
13.  * startActivity(intent);<br> 
14.  *  
15.  * @author ttworking 
16.  *  
17.  */  
18. public class VideoPlayActivity extends Activity implements OnPreparedListener, OnErrorListener {  
19.     public static final String KEY_URL = “view_url”;  
20.   
21.     private static final String TAG = “VideoPlayActivity”;  
22.     private static final int PLAY_RETURN = 2 * 1000; // 2 seconds  
23.     private static final String KEY_PLAY_POSITON = “paly_position”;  
24.     private static final String TOAST_ERROR_URL = “Paly url is null, please check parameter:” + KEY_URL;  
25.     private static final String TOAST_ERROR_PLAY = “Paly error, please check url exist!”;  
26.     private static final String DIALOG_TITILE = “奋力加载中，请稍后…”;  
27.   
28.     private static String url;  
29.   
30.     private ProgressDialog progressDialog;  
31.     private MediaController mc;  
32.     private VideoView videoView;  
33.     private LinearLayout llMain;  
34.     private LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);  
35.   
36.     @Override  
37.     protected void onCreate(Bundle savedInstanceState) {  
38.         super.onCreate(savedInstanceState);  
39.   
40.         url = getIntent().getStringExtra(KEY_URL);  
41.         if (url == null && savedInstanceState != null) {  
42.             url = savedInstanceState.getString(KEY_URL);  
43.         }  
44.   
45.         if (url == null) {  
46.             Toast.makeText(getApplicationContext(), TOAST_ERROR_URL, Toast.LENGTH_LONG).show();  
47.             finish();  
48.             return;  
49.         }  
50.   
51.         setTheme(android.R.style.Theme_NoTitleBar_Fullscreen);  
52.   
53.         videoView = new VideoView(this);  
54.         videoView.setVideoURI(Uri.parse(url));  
55.         videoView.requestFocus();  
56.         videoView.setOnPreparedListener(this);  
57.         videoView.setOnErrorListener(this);  
58.   
59.         mc = new MediaController(this);  
60.         mc.setAnchorView(videoView);  
61.         mc.setKeepScreenOn(true);  
62.   
63.         videoView.setMediaController(mc);  
64.   
65.         llMain = new LinearLayout(this);  
66.         llMain.setGravity(Gravity.CENTER_VERTICAL);  
67.         llMain.setOrientation(LinearLayout.VERTICAL);  
68.         llMain.setLayoutParams(params);  
69.   
70.         llMain.addView(videoView, params);  
71.         setContentView(llMain);  
72.   
73.         initDialog();  
74.     }  
75.   
76.     @Override  
77.     protected void onSaveInstanceState(Bundle outState) {  
78.         super.onSaveInstanceState(outState);  
79.   
80.         int palyPosition = videoView.getCurrentPosition();  
81.         if (palyPosition > PLAY_RETURN) {  
82.             palyPosition -= PLAY_RETURN;  
83.         }  
84.         outState.putInt(KEY_PLAY_POSITON, palyPosition);  
85.         outState.putString(KEY_URL, url);  
86.     }  
87.   
88.     @Override  
89.     protected void onRestoreInstanceState(Bundle savedInstanceState) {  
90.         super.onRestoreInstanceState(savedInstanceState);  
91.   
92.         videoView.seekTo(savedInstanceState.getInt(KEY_PLAY_POSITON));  
93.     }  
94.   
95.     @Override  
96.     public void onPrepared(MediaPlayer mp) {  
97.         progressDialog.cancel();  
98.   
99.         videoView.start();  
100.     }  
101.   
102.     @Override  
103.     public boolean onError(MediaPlayer mp, int what, int extra) {  
104.         Log.d(TAG, ”onError:” + url);  
105.   
106.         Toast.makeText(getApplicationContext(), TOAST_ERROR_PLAY + ”\n” + url, Toast.LENGTH_LONG).show();  
107.         progressDialog.cancel();  
108.         finish();  
109.   
110.         return true;  
111.     }  
112.   
113.     private void initDialog() {  
114.         progressDialog = new ProgressDialog(this);  
115.         progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);  
116.         progressDialog.setMessage(DIALOG_TITILE);  
117.         progressDialog.setCancelable(false);  
118.         progressDialog.show();  
119.     }  
120. }  

/**
 * 视频播放的activity<br>
 * 使用方法：<br>
 * 1、AndroidManifest.xml中添加此activity<br>
 * 2、Intent中存入待播放视频的URL，支持本地和网络<br>
 * 3、启动这个activity<br>
 * <br>
 * example：<br>
 * String url = "play url";<br>
 * Intent intent = new Intent();<br>
 * intent.setClass(this, VideoPlayActivity.class);<br>
 * intent.putExtra(VideoPlayActivity.KEY_URL, url);<br>
 * startActivity(intent);<br>
 * 
 * @author ttworking
 * 
 */
public class VideoPlayActivity extends Activity implements OnPreparedListener, OnErrorListener {
    public static final String KEY_URL = "view_url";

    private static final String TAG = "VideoPlayActivity";
    private static final int PLAY_RETURN = 2 * 1000; // 2 seconds
    private static final String KEY_PLAY_POSITON = "paly_position";
    private static final String TOAST_ERROR_URL = "Paly url is null, please check parameter:" + KEY_URL;
    private static final String TOAST_ERROR_PLAY = "Paly error, please check url exist!";
    private static final String DIALOG_TITILE = "奋力加载中，请稍后...";

    private static String url;

    private ProgressDialog progressDialog;
    private MediaController mc;
    private VideoView videoView;
    private LinearLayout llMain;
    private LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        url = getIntent().getStringExtra(KEY_URL);
        if (url == null && savedInstanceState != null) {
            url = savedInstanceState.getString(KEY_URL);
        }

        if (url == null) {
            Toast.makeText(getApplicationContext(), TOAST_ERROR_URL, Toast.LENGTH_LONG).show();
            finish();
            return;
        }

        setTheme(android.R.style.Theme_NoTitleBar_Fullscreen);

        videoView = new VideoView(this);
        videoView.setVideoURI(Uri.parse(url));
        videoView.requestFocus();
        videoView.setOnPreparedListener(this);
        videoView.setOnErrorListener(this);

        mc = new MediaController(this);
        mc.setAnchorView(videoView);
        mc.setKeepScreenOn(true);

        videoView.setMediaController(mc);

        llMain = new LinearLayout(this);
        llMain.setGravity(Gravity.CENTER_VERTICAL);
        llMain.setOrientation(LinearLayout.VERTICAL);
        llMain.setLayoutParams(params);

        llMain.addView(videoView, params);
        setContentView(llMain);

        initDialog();
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        int palyPosition = videoView.getCurrentPosition();
        if (palyPosition > PLAY_RETURN) {
            palyPosition -= PLAY_RETURN;
        }
        outState.putInt(KEY_PLAY_POSITON, palyPosition);
        outState.putString(KEY_URL, url);
    }

    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);

        videoView.seekTo(savedInstanceState.getInt(KEY_PLAY_POSITON));
    }

    @Override
    public void onPrepared(MediaPlayer mp) {
        progressDialog.cancel();

        videoView.start();
    }

    @Override
    public boolean onError(MediaPlayer mp, int what, int extra) {
        Log.d(TAG, "onError:" + url);

        Toast.makeText(getApplicationContext(), TOAST_ERROR_PLAY + "\n" + url, Toast.LENGTH_LONG).show();
        progressDialog.cancel();
        finish();

        return true;
    }

    private void initDialog() {
        progressDialog = new ProgressDialog(this);
        progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        progressDialog.setMessage(DIALOG_TITILE);
        progressDialog.setCancelable(false);
        progressDialog.show();
    }
}

from:http://blog.youkuaiyun.com/ttdevs/article/details/16863511