I'm creating an ionic capacitor application. In my app I have to use QR Scanner so I used https://ionicframework.com/docs/native/qr-scanner plugin to integrate qr scanner. Then I do ionic capacitor copy android and ionic capacitor open android . Then in android studio when I try to build it throws 
capacitor-cordova-android-plugins/src/main/java/com/bitpay/cordova/qrscanner/QRScanner.java -cannot find symbol class ActivityCompat -cannot find symbol variable ActivityCompat
Ionic version is 6.4.0 and android studio version is 3.6.2
Can some one help me to solve this.