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This type of square is showing

  • Possible duplicate of [How do I change the background color of the ActionBar of an ActionBarActivity using XML?](https://stackoverflow.com/questions/8024706/how-do-i-change-the-background-color-of-the-actionbar-of-an-actionbaractivity-us) – Ramesh-X May 22 '17 at 18:09

1 Answers1

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You need to design a specific icon for the Action Bar, with solid color and transparency. You can create your notifications icons with this. https://romannurik.github.io/AndroidAssetStudio/icons-notification.html#source.space.trim=1&source.space.pad=0&name=ic_stat_example

Jonathan Aste
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