error inflating ConstraintLayout in android studio

Question

I\'m having problems with Android Studio. I recently upgraded my SDK Manager to include;

compile \'com.android.support.constraint:constraint-layout:1.0.0-bet         


        

Answer 1

I had the same issues. For me, the reason is my project "Automatically convert third-party libraries to use AndroidXhas". What to do? simply following two steps:

1st step: Please check your gradle.properties, if you see the following lines, you might have the exact same issues as mine. You can firstly delete them.

android.useAndroidX=true
android.enableJetifier=true

2nd step: in main activity, I changed

import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

into

import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;

Everything works all of sudden!