How to add splash screen to android app?

In any one you can add. e.g package name is com.pkg to which it is added

Manifest:

 <activity
            android:name="com.pkg.Splash"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
 </activity>