tabhost

1,xml布局

<TabHost xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:id="@android:id/tabhost" android:layout_height="match_parent" > <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical"> <!-- 标签 --> <TabWidget android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@android:id/tabs"> </TabWidget> <!-- 内容 --> <FrameLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@android:id/tabcontent"> <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/ll_one"> <TextView android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#0000ff" android:text="@string/one" /> </LinearLayout> <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/ll_two"> <TextView android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#0000ff" android:text="@string/two" /> </LinearLayout> <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/ll_three"> <TextView android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#0000ff" android:text="@string/three" /> </LinearLayout> </FrameLayout> </LinearLayout> </TabHost>

2，activity代码

public class MainActivity extends Activity { private TabHost tab; private String [] title = new String []{"标题一","标题二","标题三"}; private int [] ll_ids = new int []{R.id.ll_one,R.id.ll_two,R.id.ll_three}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //调用系统的id tab = (TabHost) findViewById(android.R.id.tabhost); //启动tabhost tab.setup(); for (int i = 0; i < title.length; i++) { //新建tabspec TabSpec tabSpec = tab.newTabSpec("tab"+i); //加标签 tabSpec.setIndicator(title[i]); //加内容 tabSpec.setContent(ll_ids[i]); //放入tabhost tab.addTab(tabSpec); } //显示当前的tabhost tab.setCurrentTab(0); } }