Android: 可以横向拖动的TabHost

横向拖动的TabHost 效果图：

Xml代码

1. <LinearLayout android:orientation="vertical"
2. android:layout_;fill_parent" android:layout_height="fill_parent">
3.  
4. <RelativeLayout android:layout_;fill_parent"
5. android:layout_height="wrap_content">
6.  
7. <HorizontalScrollView android:layout_;fill_parent"
8. android:layout_height="wrap_content"
9. android:fillViewport="true"
10. android:scrollbars="none"
11. android:layout_toLeftOf="@+id/next_button"
12. android:layout_toRightOf="@+id/up_button">
13.  
14. <TabWidget android:id="@android:id/tabs"
15. android:layout_;fill_parent"
16. android:layout_height="wrap_content" />
17.  
18. </HorizontalScrollView>
19. </RelativeLayout>
20.  
21. <FrameLayout android:id="@android:id/tabcontent"
22. android:layout_;fill_parent" android:layout_height="fill_parent">
23.  
24. <TextView android:id="@+id/textview01" android:layout_;fill_parent"
25. android:layout_height="wrap_content" android:text="@string/hello" />
26.  
27. <TextView android:id="@+id/textview02" android:layout_;fill_parent"
28. android:layout_height="wrap_content" android:text="@string/hello" />
29.  
30. <TextView android:id="@+id/textview03" android:layout_;fill_parent"
31. android:layout_height="wrap_content" android:text="@string/hello" />
32.  
33. <TextView android:id="@+id/textview04" android:layout_;fill_parent"
34. android:layout_height="wrap_content" android:text="@string/hello" />
35.  
36. <TextView android:id="@+id/textview05" android:layout_;fill_parent"
37. android:layout_height="wrap_content" android:text="@string/hello" />
38. </FrameLayout>
39.  
40. </LinearLayout>

<LinearLayout android:orientation="vertical" android:layout_;fill_parent" android:layout_height="fill_parent"> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content"> <HorizontalScrollView android:layout_width="fill_parent" android:layout_height="wrap_content" android:fillViewport="true" android:scrollbars="none" android:layout_toLeftOf="@+id/next_button" android:layout_toRightOf="@+id/up_button"> <TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </HorizontalScrollView> </RelativeLayout> <FrameLayout android:id="@android:id/tabcontent" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:id="@+id/textview01" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <TextView android:id="@+id/textview02" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <TextView android:id="@+id/textview03" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <TextView android:id="@+id/textview04" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <TextView android:id="@+id/textview05" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> </FrameLayout> </LinearLayout>

Java代码

1. import android.app.TabActivity;  
2. import android.os.Bundle;  
3. import android.util.DisplayMetrics;  
4. import android.util.Log;  
5. import android.widget.Button;  
6. import android.widget.TabHost;  
7. import android.widget.TabWidget;  
8.  
9. public class MainActivity extends TabActivity {  
10.     TabHost m_TabHost;  
11.     Button upButton;  
12.     Button nextButton;  
13.  
14. @Override
15. public void onCreate(Bundle savedInstanceState) {  
16. super.onCreate(savedInstanceState);  
17.         setContentView(R.layout.main);  
18. // Init
19.         initView();  
20.         initTabHost();  
21.  
22. // Get scream width
23.         DisplayMetrics dm = new DisplayMetrics();  
24.         getWindowManager().getDefaultDisplay().getMetrics(dm);  
25. int screenWidth = dm.widthPixels;  
26.         Log.i("test", "screen; + screenWidth);  
27.  
28. // Get tab counts
29.         TabWidget tabWidget = m_TabHost.getTabWidget();  
30. int count = tabWidget.getChildCount();  
31. if (count &gt; 3) {  
32. for (int i = 0; i &lt; count; i++) {  
33.                 tabWidget.getChildTabViewAt(i).setMinimumWidth((screenWidth) / 3);  
34.             }  
35.         }  
36.     }  
37.  
38. private void initView() {  
39.         m_TabHost = getTabHost();  
40. // upButton = (Button) findViewById(R.id.up_button);
41. // nextButton = (Button) findViewById(R.id.next_button);
42.     }  
43.  
44. private void initTabHost() {  
45.         m_TabHost.addTab(m_TabHost.newTabSpec(0 + "").setIndicator("A  eoe")  
46.                 .setContent(R.id.textview01));  
47.         m_TabHost.addTab(m_TabHost.newTabSpec(1 + "").setIndicator("B  eoe")  
48.                 .setContent(R.id.textview01));  
49.         m_TabHost.addTab(m_TabHost.newTabSpec(2 + "").setIndicator("C  eoe")  
50.                 .setContent(R.id.textview01));  
51.         m_TabHost.addTab(m_TabHost.newTabSpec(3 + "").setIndicator("D  eoe")  
52.                 .setContent(R.id.textview01));  
53.         m_TabHost.addTab(m_TabHost.newTabSpec(4 + "").setIndicator("E  eoe")  
54.                 .setContent(R.id.textview01));  
55.         m_TabHost.addTab(m_TabHost.newTabSpec(5 + "").setIndicator("F  eoe")  
56.                 .setContent(R.id.textview01));  
57.         m_TabHost.addTab(m_TabHost.newTabSpec(6 + "").setIndicator("G  eoe")  
58.                 .setContent(R.id.textview01));  
59.     }  
60. }