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Fragment: App loads with white screen for 3 secs before showing proper UI

Issue:
1) When my application start then white/black screen appears, and then main UI is display. 
2) Before my fragment load in activity black/white screen appears for 3/4 seconds and then fragment load.



Solution:
To fix this nasty problem, update the /res/values/styles.xml to include
  • <item name="android:windowDisablePreview">true</item>
or
  • <item name="android:windowBackground">@android:color/black</item>

for example :

<!-- Application theme. --> 
<style name="AppTheme" parent="AppBaseTheme">
 <!-- All customizations that are NOT specific to a particular API-level can go here. --> 
<item name="android:windowDisablePreview">true</item> 
<!-- <item name="android:windowBackground">@android:color/black</item> --> 
</style>
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