標籤:
1、activity_tabwidget.xml
<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/tabhost"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TabWidget
android:id="@android:id/tabs"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
</TabWidget>
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TextView
android:id="@+id/tb_tv1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:text="This is the first tab" />
<TextView
android:id="@+id/tb_tv2"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:text="This is another tab" />
<TextView
android:id="@+id/tb_tv3"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:text="This is the third tab" />
</FrameLayout>
</LinearLayout>
</TabHost>
2、TabWidgetActivity.java
public class TabWidgetActivity extends TabActivity {
// 聲明TabHost對象
TabHost tabHost;
@SuppressWarnings("deprecation")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_tabwidget);
try {
// 取得TabHost對象
tabHost = getTabHost();
/* 為TabHost添加標籤 */
// 建立一個newTabSpec(newTabSpec)
// 設定其標籤和表徵圖(setIndicator)
// 設定內容(setContent)
tabHost.addTab(tabHost
.newTabSpec("tab_test1")
.setIndicator("TAB1",
getResources().getDrawable(R.drawable.button1))
.setContent(R.id.tb_tv1));
tabHost.addTab(tabHost
.newTabSpec("tab_test2")
.setIndicator("TAB2",
getResources().getDrawable(R.drawable.button2))
.setContent(R.id.tb_tv2));
tabHost.addTab(tabHost.newTabSpec("tab_test3").setIndicator("TAB3",
getResources().getDrawable(R.drawable.button3)).setContent(R.id.tb_tv3));
// 設定TabHost的背景顏色
tabHost.setBackgroundColor(Color.argb(150, 22, 70, 150));
// 設定TabHost的背景圖片資源
tabHost.setBackgroundResource(R.drawable.ic_launcher);
// 設定當前顯示那一個標籤
tabHost.setCurrentTab(0);
} catch (Exception e) {
e.printStackTrace();
}
// 標籤切換事件處理
tabHost.setOnTabChangedListener(new OnTabChangeListener() {
@Override
public void onTabChanged(String tabId) {
Dialog dialog = new AlertDialog.Builder(TabWidgetActivity.this)
.setTitle("提示")
.setMessage("當前選中" + tabId + "標籤")
.setPositiveButton("確定",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int whichButton) {
dialog.cancel();
}
}).create();
dialog.show();
}
});
}
}
Android——TabWidget