How to change the color of tab indicator

问题

I am using tabHost in my application and the requirement is that when any tab is selected the color of tab indicator should change ,I referred this example How to set Tab View Indicator background color in Android but i didn't understood Here is my code:

    TabHost tabHost = getTabHost();  // The activity TabHost

            TabHost.TabSpec spec;  // Reusable TabSpec for each tab
            Intent intent;  // Reusable Intent for each tab

            // Create an Intent to launch an Activity for the tab (to be reused)
            intent = new Intent().setClass(this, HomePage.class);
            // Initialize a TabSpec for each tab and add it to the TabHost
            spec = tabHost.newTabSpec("tabOne");  
            spec.setContent(intent);  
            spec.setIndicator("Home");  
            tabHost.addTab(spec);
            // Squash the tab a little bit horizontally
            tabHost.getTabWidget().getChildAt(0).getLayoutParams().height = 40;
            tabHost.getTabWidget().getChildAt(0).getLayoutParams().width = 50;

            // Bump the text size upll.getChildAt(0);

            // Do the same for the other tabs
            intent = new Intent().setClass(this, MoteIt.class);
            spec = tabHost.newTabSpec("tabTwo");  
            spec.setContent(intent);  
            spec.setIndicator("moteit");

            tabHost.addTab(spec);
            tabHost.getTabWidget().getChildAt(1).getLayoutParams().height = 40;


            intent = new Intent().setClass(this, Lifeline.class);
            spec = tabHost.newTabSpec("tabThree");  
            spec.setContent(intent);  
            spec.setIndicator("lifeline");
            tabHost.addTab(spec);
            tabHost.getTabWidget().getChildAt(2).getLayoutParams().height = 40;


            intent = new Intent().setClass(this, CircleOfTrust.class);
            spec = tabHost.newTabSpec("tabfour");  
            spec.setContent(intent);  
            spec.setIndicator("Cot");
            tabHost.addTab(spec);
            tabHost.getTabWidget().getChildAt(3).getLayoutParams().height = 40;

            intent = new Intent().setClass(this, Search.class);
            spec = tabHost.newTabSpec("tabFive");  
            spec.setContent(intent);  
            spec.setIndicator("Search");
            tabHost.addTab(spec);
            tabHost.getTabWidget().getChildAt(4).getLayoutParams().height = 40;
            tabHost.getTabWidget().setStripEnabled(true);
            tabHost.setCurrentTab(0);

Thanks in advance

回答1:

This solution works for me and also its working for 2.1+ android, its create custom tab layout

Code:

private TabHost mTabHost;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    setupTabHost();
    mTabHost.getTabWidget().setDividerDrawable(R.drawable.fake_divider);

    setupTab(new TextView(this), "123", R.id.tab1);
    setupTab(new TextView(this), "abc", R.id.tab2);
    setupTab(new TextView(this), "fav", R.id.tab3);

    mTabHost.setCurrentTab(0);
}

private void setupTabHost() {
    mTabHost = (TabHost) findViewById(android.R.id.tabhost);
    mTabHost.setup();
}

private void setupTab(final View view, final String tag, final int res) {
    View tabview = createTabView(mTabHost.getContext(), tag);
    TabSpec setContent = mTabHost.newTabSpec(tag).setIndicator(tabview).setContent(res);
    mTabHost.addTab(setContent);
}

private static View createTabView(final Context context, final String text) {
    View view = LayoutInflater.from(context).inflate(R.layout.tabwidget_bg, null);
    TextView tv = (TextView) view.findViewById(R.id.tabsText);
    tv.setText(text);
    return view;
}

in main.xml:

<TabHost
    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"
            android:background="@drawable/tab_divider" />

        <FrameLayout
            android:id="@android:id/tabcontent"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:measureAllChildren="true" >

            <LinearLayout
                android:id="@+id/tab1"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:baselineAligned="true"
                android:orientation="vertical" >
        ... etc

custom layout tabwidget_bg.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tabsLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/tab_bg_selector"
    android:gravity="center"
    android:padding="10dp"
    android:layout_margin="0dp" >

    <TextView
        android:id="@+id/tabsText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/white"
        android:textSize="15sp" />

</LinearLayout>

Now you can customize your custom tab layot as u can, and color of your active tab n tab_bg_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- Active tab -->
    <item android:drawable="@drawable/tab_bg_selected" android:state_focused="false" android:state_pressed="false" android:state_selected="true"/>
    <!-- Inactive tab -->
    <item android:drawable="@drawable/tab_bg_unselected" android:state_focused="false" android:state_pressed="false" android:state_selected="false"/>
    <!-- Pressed tab -->
    <item android:drawable="@drawable/tab_bg_active" android:state_pressed="true"/>
    <!-- Selected tab (using d-pad) -->
    <item android:drawable="@drawable/tab_bg_selected" android:state_focused="true" android:state_pressed="false" android:state_selected="true"/>

</selector>

回答2:

Try this

    PagerTabStrip tabStrip = (PagerTabStrip) findViewById(R.id.pager_title_strip);
    tabStrip.setBackgroundColor(Color.rgb(240, 240, 240));

Hope it helps.

回答3:

You can set color in layout xml.

android:background = "@color/....";

来源：https://stackoverflow.com/questions/19312474/how-to-change-the-color-of-tab-indicator