Android中自动跳转

先看效果图吧

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Activity类

 1 package com.xm;
 2 
 3 import java.io.File;
 4 import java.util.ArrayList;
 5 import java.util.Collections;
 6 import java.util.HashMap;
 7 import java.util.List;
 8 import java.util.Map;
 9 
10 import android.app.Activity;
11 import android.content.Intent;
12 import android.content.IntentFilter;
13 import android.media.MediaPlayer;
14 import android.media.MediaPlayer.OnCompletionListener;
15 import android.os.Bundle;
16 import android.os.Environment;
17 import android.os.Handler;
18 import android.view.View;
19 import android.view.View.OnClickListener;
20 import android.widget.AdapterView;
21 import android.widget.Button;
22 import android.widget.ImageButton;
23 import android.widget.ListView;
24 import android.widget.SeekBar;
25 import android.widget.SimpleAdapter;
26 import android.widget.Spinner;
27 import android.widget.TextView;
28 import android.widget.AdapterView.OnItemClickListener;
29 import android.widget.AdapterView.OnItemSelectedListener;
30 import android.widget.SeekBar.OnSeekBarChangeListener;
31 /**
32  * 页面跳转页面
33  * @author Administrator
34  *
35  */
36 public class Music_ym extends Activity {
37     private final long SPLASH_LENGTH = 2000;
38     Handler handler = new Handler();
39     @Override
40     protected void onCreate(Bundle savedInstanceState) {
41         super.onCreate(savedInstanceState);
42         setContentView(R.layout.mainym);
43         handler.postDelayed(new Runnable() {    
44             @Override
45             public void run() {
46                 Intent intent = new Intent(Music_ym.this,Music.class);
47                 startActivity(intent);
48                 finish();
49             }
50         }, SPLASH_LENGTH);
51     }
52 }

代码