--- a/app/src/main/res/values/styles.xml	Tue Jun 25 12:51:03 2019 -0700
+++ b/app/src/main/res/values/styles.xml	Tue Jun 25 15:18:32 2019 -0700
@@ -49,6 +49,18 @@
         <item name="windowNoTitle">true</item>
     </style>
 
+    <!-- Activity with no UI that launch an other activity immediately-->
+    <style name="AppTheme.LauncherActivity">
+        <item name="android:windowBackground">@null</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowAnimationStyle">@null</item>
+        <item name="android:windowDisablePreview">true</item>
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowNoTitle">true</item>
+    </style>
+
+
     <style name="ThemeOverlay.AppTheme.DayNight" parent="@style/ThemeOverlay.MaterialComponents.Light"/>
     <style name="ThemeOverlay.AppTheme.DayNight.Inverse" parent="@style/ThemeOverlay.MaterialComponents.Dark" />