A Reason for AAPT: libpng error: Not a PNG file and Solution

If you are facing issue of  AAPT: libpng error: Not a PNG file


Error:Execution failed for task ':app:mergeDebugResources'.
> Error: java.lang.RuntimeException: Some file crunching failed, see logs for details


Solution : 

Then you need to check your app's all .png file of android project and make sure you have not change any .jpeg to .png format by mistake . Because it might happen that in previous android studio it might working but with update of new android studio 2.2 it will give Error .

Android Studio 2.2 Now support Google Firebase in built setup

Hi All ,

Now you can check feature of firebase from android studio menu --> Tools --> Firebase

you can check menu like below screen :

Now click on that you can see below feature and step for each functionality provided by Firebase .