使用TabHost仿微博客户端界面

package cn.dbqn.tabhost; import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.widget.RadioGroup; import android.widget.RadioGroup.OnCheckedChangeListener; import android.widget.TabHost; import android.widget.TabHost.TabSpec; public class MainActivity extends TabActivity { /** Called when the activity is first created. */ private TabHost host; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //取得TabHost host = getTabHost(); //新建标签页 TabSpec spec1 = host.newTabSpec("HOME").setIndicator("HOME"); //给标签页设置内容 spec1.setContent(new Intent(this, HomeActivity.class)); //把标签页添加到tabhost中 host.addTab(spec1); TabSpec spec2 = host.newTabSpec("COMMENT").setIndicator("COMMENT"); spec2.setContent(new Intent(this, CommentActivity.class)); host.addTab(spec2); TabSpec spec3 = host.newTabSpec("SAVE").setIndicator("SAVE"); spec3.setContent(new Intent(this, SaveActivity.class)); host.addTab(spec3); TabSpec spec4 = host.newTabSpec("MORE").setIndicator("MORE"); spec4.setContent(new Intent(this, MoreActivity.class)); host.addTab(spec4); RadioGroup group = (RadioGroup) findViewById(R.id.group); //关联RadioButton和TabHost group.setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { // TODO Auto-generated method stub switch (checkedId) { case R.id.button1: host.setCurrentTabByTag("HOME"); break; case R.id.button2: host.setCurrentTabByTag("COMMENT"); break; case R.id.button3: host.setCurrentTabByTag("SAVE"); break; case R.id.button4: host.setCurrentTabByTag("MORE"); break; default: break; } } }); } }