ClodStar

AndroidManifest.xml

        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/Launcher">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>

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

bg_startingwindow.xml

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

    <item>
        <shape android:shape="rectangle">
            <solid android:color="@color/colorPrimary"/>
        </shape>
    </item>
    <!--toolbar height+statu bar-->
    <item android:gravity="bottom" android:top="80dip">
        <shape android:shape="rectangle">
            <solid android:color="@color/app_bg"/>
        </shape>
    </item>

</layer-list>

style.xml

    <style name="Launcher" parent="AppTheme">
        <item name="android:windowBackground">@drawable/bg_startingwindow</item>
    </style>