Exercise: Apply Theme in AndroidManifest.xml

Android provide some predefine themes in the base package, you can change the theme by adding a code in the file AndroidManifest.xml.

Inside Application tag to take effect on whole Application.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
 package="com.exercise.AndroidTheme"
 android:versionCode="1"
 android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name"
 android:theme="@android:style/Theme.Black"
 >
   <activity android:name=".AndroidThemeActivity"
             android:label="@string/app_name">
       <intent-filter>
           <action android:name="android.intent.action.MAIN" />
           <category android:name="android.intent.category.LAUNCHER" />
       </intent-filter>
   </activity>
</application>
<uses-sdk android:minSdkVersion="2" />
</manifest>

Or,
Inside Activity tag to take effect on individual Activity.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.exercise.AndroidTheme"
  android:versionCode="1"
  android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name"
 >
    <activity android:name=".AndroidThemeActivity"
              android:label="@string/app_name"
              android:theme="@android:style/Theme.Light"
              >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>
<uses-sdk android:minSdkVersion="2" />
</manifest>

@android:style/Theme.Black



@android:style/Theme.Light



@android:style/Theme.Translucent