Android 通过findViewById方式创建TabHost

    package org.shuxiang.tabhostsample;  
      
    import android.os.Bundle;  
    import android.app.ActivityGroup;  
    import android.content.Intent;  
    import android.widget.TabHost;  
      
    public class MainActivity extends ActivityGroup  
    {  
        private String tabHost1 = "A";  
        private String tabHost2 = "B";  
        private String tabHost3 = "C";  
        private TabHost tabHost;  
      
        @Override  
        public void onCreate(Bundle savedInstanceState) {  
            super.onCreate(savedInstanceState);  
            setContentView(R.layout.tabhost);  
              
            tabHost = (TabHost) findViewById(android.R.id.tabhost);  
      
            tabHost.setup(getLocalActivityManager());  
              
            tabHost.setCurrentTab(0);  
            tabHost.addTab(tabHost.newTabSpec(tabHost1)  
            .setIndicator(tabHost1).  
            setContent(new Intent(MainActivity.this, Tab1.class)));  
            tabHost.addTab(tabHost.newTabSpec(tabHost2)  
            .setIndicator(tabHost2)  
            .setContent(new Intent(MainActivity.this, Tab2.class)));  
            tabHost.addTab(tabHost.newTabSpec(tabHost3)  
            .setIndicator(tabHost3)  
            .setContent(new Intent(MainActivity.this, Tab3.class)));  
      
        }  
      
      
    }