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Custom Android Title Bar

To customize the Android Title bar you need to define custom styles and apply those styles to a custom theme.










Under the folder "Values"  create your "styles.xml"  file.
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!--    Changing the text style of title bar-->
    <style name="CustomTitleBarText" parent="android:TextAppearance.WindowTitle">
          <item name="android:textSize">18dip</item>
          <item name="android:textColor">#FFFFFF</item>
          <item name="android:textStyle">bold</item>                
     </style>
     <!-- Changes the background color of the title bar -->
     <style name="CustomTitleBarBackground">
           <item name="android:background">#555555</item>
     </style>
     <!-- Set the theme for the window title -->
     <!-- NOTE: setting android:textAppearence to style defined above -->
     <style name="CustomTitleBar" parent="android:WindowTitle">
          <item name="android:textAppearance">@style/CustomTitleBarText</item>
          <item name="android:shadowDx">0</item>
          <item name="android:shadowDy">0</item>
          <item name="android:shadowRadius">5</item>
          <item name="android:shadowColor">#ffffff</item>
      </style>
      <!-- Override properties in the default theme -->
      <!-- NOTE: you have to  explicitly the windowTitleSize property,the title bar will not re-size automatically -->
      <style name="CustomTheme" parent="android:Theme">
           <item name="android:windowTitleSize">40dip</item>
           <item name="android:windowTitleStyle">@style/CustomTitleBar</item>
           <item name="android:windowTitleBackgroundStyle">@style/CustomTitleBarBackground</item>
      </style>
</resources>
After, you have to update your Manifest file and to set the new theme for your activity: 
<activity android:name="HelloActivity" android:label="@string/CustomizedTitleBar" android:theme="@style/CustomTheme">


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