Android 通过findViewById方式创建TabHost

 1     package org.shuxiang.tabhostsample;  
 2       
 3     import android.os.Bundle;  
 4     import android.app.ActivityGroup;  
 5     import android.content.Intent;  
 6     import android.widget.TabHost;  
 7       
 8     public class MainActivity extends ActivityGroup  
 9     {  
10         private String tabHost1 = "A";  
11         private String tabHost2 = "B";  
12         private String tabHost3 = "C";  
13         private TabHost tabHost;  
14       
15         @Override  
16         public void onCreate(Bundle savedInstanceState) {  
17             super.onCreate(savedInstanceState);  
18             setContentView(R.layout.tabhost);  
19               
20             tabHost = (TabHost) findViewById(android.R.id.tabhost);  
21       
22             tabHost.setup(getLocalActivityManager());  
23               
24             tabHost.setCurrentTab(0);  
25             tabHost.addTab(tabHost.newTabSpec(tabHost1)  
26             .setIndicator(tabHost1).  
27             setContent(new Intent(MainActivity.this, Tab1.class)));  
28             tabHost.addTab(tabHost.newTabSpec(tabHost2)  
29             .setIndicator(tabHost2)  
30             .setContent(new Intent(MainActivity.this, Tab2.class)));  
31             tabHost.addTab(tabHost.newTabSpec(tabHost3)  
32             .setIndicator(tabHost3)  
33             .setContent(new Intent(MainActivity.this, Tab3.class)));  
34       
35         }  
36       
37       
38     }