While working on an Android Application, when I ran my App on Emulator, I saw that there were two ToolBars displayed instead of one! I could figure out the reason and here is what the issue was
By default when you create an Android Application using a template - it adds a Toolbar as default, If you change your application layout and add your own Toolbar - it will display two of them, I was able to remove the default one by doing the below steps,

Android Two Toolbar issue
- Go to res -> values -> themes
- Open themes.xml file,
- Add the below two lines under style tag,
<item name="windowActionBar">false</item> <item name="windowNoTitle">true</item>
- Now run the App you should see only one Toolbar
Note: Do the same changes for the dark them styles.xml file as well.
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