Android中自动跳转

先看效果图吧

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Activity类

 package com.xm;

 import java.io.File;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import android.app.Activity;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.media.MediaPlayer;
 import android.media.MediaPlayer.OnCompletionListener;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.AdapterView;
 import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.ListView;
 import android.widget.SeekBar;
 import android.widget.SimpleAdapter;
 import android.widget.Spinner;
 import android.widget.TextView;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.AdapterView.OnItemSelectedListener;
 import android.widget.SeekBar.OnSeekBarChangeListener;
 /**
  * 页面跳转页面
  * @author Administrator
  *
  */
 public class Music_ym extends Activity {
     private final long SPLASH_LENGTH = 2000;
     Handler handler = new Handler();
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.mainym);
         handler.postDelayed(new Runnable() {
             @Override
             public void run() {
                 Intent intent = new Intent(Music_ym.this,Music.class);
                 startActivity(intent);
                 finish();
             }
         }, SPLASH_LENGTH);
     }
 }

代码

xml配置文件

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
     >
     <ImageView
         android:layout_width="wrap_content"
         android:layout_height="fill_parent"
         android:src="@drawable/abc"
     />
 </LinearLayout>  

xml