TabActivity自定义背景等

TabActivity设置tab自定义背景颜色，设置tab中标题文字的颜色。并将TabWidget置于底部

TabManager： 

Java代码   

1. import android.app.TabActivity;  
2. import android.content.Intent;  
3. import android.content.res.ColorStateList;  
4. import android.content.res.XmlResourceParser;  
5. import android.os.Bundle;  
6. import android.view.LayoutInflater;  
7. import android.view.View;  
8. import android.widget.TabHost;  
9. import android.widget.TabWidget;  
10. import android.widget.TextView;  
11.   
12. public class TabManager extends TabActivity{  
13.     private TabManager th;  
14.     private TabHost tabHost;  
15.     private TabWidget tabWidget;  
16.       
17.     protected void onCreate(Bundle savedInstanceState) {  
18.         super.onCreate(savedInstanceState);  
19.         setContentView(R.layout.tab_content);  
20.         th = this;  
21.          tabHost = (TabHost) findViewById(android.R.id.tabhost);  
22.          LayoutInflater.from(this).inflate(R.layout.main,tabHost.getTabContentView(),true);  
23.          tabWidget = tabHost.getTabWidget();  
24.          tabHost.addTab(tabHost.newTabSpec("tab1").setIndicator("Tab1",th.getResources().getDrawable(R.drawable.ic_menu_home_tab))  
25.                   .setContent(new Intent(this, Tab1.class)));  
26.          tabHost.addTab(tabHost.newTabSpec("tab2").setIndicator("Tab2",th.getResources().getDrawable(R.drawable.ic_menu_camera_tab))  
27.                  .setContent(new Intent(this, Tab2.class)));  
28.          tabHost.addTab(tabHost.newTabSpec("tab3").setIndicator("Tab3",th.getResources().getDrawable(R.drawable.ic_menu_search_tab))  
29.                  .setContent(new Intent(this, Tab3.class)));  
30.          tabHost.addTab(tabHost.newTabSpec("tab4").setIndicator("Tab4",th.getResources().getDrawable(R.drawable.ic_menu_upload_tab))  
31.                  .setContent(new Intent(this, Tab4.class)));  
32.          tabHost.addTab(tabHost.newTabSpec("tab5").setIndicator("Tab5",th.getResources().getDrawable(R.drawable.ic_menu_preferences_tab))  
33.                  .setContent(new Intent(this, Tab5.class)));  
34.           tabHost.setCurrentTab(0);  
35.   
36.         for (int i = 0; i < tabWidget.getChildCount(); i++) {  
37.             /** 
38.              * 此方法是为了去掉系统默认的色白的底角 
39.              */  
40.             tabHost.setPadding(tabHost.getPaddingLeft(), tabHost.getPaddingTop(), tabHost.getPaddingRight(), tabHost.getPaddingBottom() - 5);  
41.             View v = tabWidget.getChildAt(i);  
42.             //设置tab背景颜色  
43.             v.setBackgroundResource(R.drawable.tab_indicator);  
44.               
45.             //设置tab中标题文字的颜色，不然默认为黑色  
46.             XmlResourceParser xpp = getResources().getXml(R.color.tab_font_selector);   
47.             try {  
48.                 ColorStateList csl= ColorStateList.createFromXml(getResources(),xpp);  
49.                 TextView tv = (TextView) tabWidget.getChildAt(i).findViewById(android.R.id.title);  
50.                 tv.setTextColor(csl);  
51.             } catch (Exception e){  
52.                 e.printStackTrace();  
53.             }  
54.         }  
55.     }  
56. }  

tab_indicator.xml： 

Java代码   

1. <?xml version="1.0" encoding="utf-8"?>  
2. <selector xmlns:android="http://schemas.android.com/apk/res/android">  
3.     <!-- Non focused states -->  
4.     <item android:state_focused="false" android:state_selected="false"  
5.         android:state_pressed="false" android:drawable="@color/tab_unselected" />  
6.     <item android:state_focused="false" android:state_selected="true"  
7.         android:state_pressed="false" android:drawable="@color/tab_selected" />  
8.   
9.     <!-- Focused states -->  
10.     <item android:state_focused="true" android:state_selected="false"  
11.         android:state_pressed="false" android:drawable="@color/tab_focus" />  
12.     <item android:state_focused="true" android:state_selected="true"  
13.         android:state_pressed="false" android:drawable="@color/tab_focus" />  
14.   
15.     <!-- Pressed -->  
16.     <item android:state_pressed="true" android:drawable="@color/tab_press" />  
17. </selector>  

tab_font_selector.xml： 

Java代码   

1. <?xml version="1.0" encoding="utf-8"?>  
2. <selector xmlns:android="http://schemas.android.com/apk/res/android">  
3.     <!-- Non focused states -->  
4.     <item android:state_focused="false" android:state_selected="false"  
5.         android:state_pressed="false" android:color="@color/tab_font_unselected" />  
6.     <item android:state_focused="false" android:state_selected="true"  
7.         android:state_pressed="false" android:color="@color/tab_font_selected" />  
8.   
9.     <!-- Focused states -->  
10.     <item android:state_focused="true" android:state_selected="false"  
11.         android:state_pressed="false" android:color="@color/tab_font_focus" />  
12.     <item android:state_focused="true" android:state_selected="true"  
13.         android:state_pressed="false" android:color="@color/tab_font_focus" />  
14.   
15.     <!-- Pressed -->  
16.     <item android:state_pressed="true" android:color="@color/tab_font_press" />  
17. </selector>  

colors.xml： 

Java代码   

1. <?xml version="1.0" encoding="utf-8"?>  
2. <resources>  
3.   
4.     <color name="tab_unselected">#ff000000</color>  
5.     <color name="tab_selected">#ff383838</color>  
6.     <color name="tab_focus">#ffff8000</color>  
7.     <color name="tab_press">#ffe9a700</color>  
8.   
9.     <color name="tab_font_unselected">#ff888888</color>  
10.     <color name="tab_font_selected">#ffffffff</color>  
11.     <color name="tab_font_focus">#ffffffff</color>  
12.     <color name="tab_font_press">#ff888888</color>  
13.   
14.     <color name="black">#FF000000</color>  
15.     <color name="dkgray">#FF444444</color>  
16.     <color name="gray">#FF888888</color>  
17.     <color name="ltgray">#FFCCCCCC</color>  
18.     <color name="white">#FFFFFFFF</color>  
19.     <color name="red">#FFFF0000</color>  
20.     <color name="green">#FF00FF00</color>  
21.     <color name="blue">#FF0000FF</color>  
22.     <color name="yellow">#FFFFFF00</color>  
23.     <color name="cyan">#FF00FFFF</color>  
24.     <color name="magenta">#FFFF00FF</color>  
25.     <color name="transparent">#00000000</color>  
26. </resources>