TabHost的简单使用

package zyf.tab.test; import android.app.TabActivity; import android.graphics.Color; import android.os.Bundle; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.widget.TabHost; import android.widget.TabHost.OnTabChangeListener; public class MyTab extends TabActivity implements OnTabChangeListener { private TabHost myTabhost; protected int myMenuSettingTag=0; protected Menu myMenu; private static final int myMenuResources[] = { R.menu.a_menu, R.menu.b_menu, R.menu.c_menu}; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); myTabhost=this.getTabHost(); //get Tabhost LayoutInflater.from(this).inflate(R.layout.main, myTabhost.getTabContentView(), true); myTabhost.setBackgroundColor(Color.argb(150, 22, 70, 150)); myTabhost .addTab(myTabhost.newTabSpec("One")// make a new Tab .setIndicator("A", getResources().getDrawable(R.drawable.gimp)) // set the Title and Icon .setContent(R.id.widget_layout_Blue)); // set the layout myTabhost .addTab(myTabhost.newTabSpec("Two")// make a new Tab .setIndicator("B", getResources().getDrawable(R.drawable.mumule)) // set the Title and Icon .setContent(R.id.widget_layout_green)); // set the layout myTabhost .addTab(myTabhost.newTabSpec("Three")// make a new Tab .setIndicator("C", getResources().getDrawable(R.drawable.notepad)) // set the Title and Icon .setContent(R.id.widget_layout_red)); // set the layout myTabhost.setOnTabChangedListener(this); } @Override public boolean onCreateOptionsMenu(Menu menu) { // TODO Auto-generated method stub // Hold on to this myMenu = menu; myMenu.clear();//清空MENU菜单 // Inflate the currently selected menu XML resource. MenuInflater inflater = getMenuInflater(); //从TabActivity这里获取一个MENU过滤器 switch (myMenuSettingTag) { case 1: inflater.inflate(myMenuResources[0], menu); //动态加入数组中对应的XML MENU菜单 break; case 2: inflater.inflate(myMenuResources[1], menu); break; case 3: inflater.inflate(myMenuResources[2], menu); break; default: inflater.inflate(myMenuResources[0], menu); break; } return super.onCreateOptionsMenu(menu); } @Override public void onTabChanged(String tagString) { // TODO Auto-generated method stub if (tagString.equals("One")) { myMenuSettingTag = 1; } if (tagString.equals("Two")) { myMenuSettingTag = 2; } if (tagString.equals("Three")) { myMenuSettingTag = 3; } if (myMenu != null) { onCreateOptionsMenu(myMenu); } } }