Attempt to invoke virtual method 'android.graphics.drawable.Drawable$ConstantState.newDrawable()' on a null



Okay, I think it occurred first time for you. But don't worry, we will solve it by just let you know about the issue that why is it occurring. Actually it is happening due to issue in you fab button. You tried something out of the box and got this issue. What we meant about out of the box, you tried to customize that fab button.

Error :

java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.drawable.Drawable android.graphics.drawable.Drawable$ConstantState.newDrawable()' on a null object reference

Solution :

Without taking your so much time. We are going to tell you the reason that it is occurred due to background issue in fab button.

android:backgroundTint="@color/colorPrimaryDark"
you have to put app in place of android.

app:backgroundTint="@color/colorPrimaryDark"
That's it for today, if you still have any confusion, clear them by commenting below. And Be Updated with our YouTube Channel.


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