java.lang.NullPointerException: आईडी के साथ आवश्यक दृश्य गुम:
एंड्रॉइड स्टूडियो 3.6 एप्लिकेशन में / build.gradle: android { viewBinding.enabled = true यहाँ मेरा xml: <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent"> <androidx.constraintlayout.widget.ConstraintLayout android:id="@+id/bluetoothBottonMainContainer" android:layout_width="0dp" android:layout_height="104dp" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent"> <View android:id="@+id/viewPointNotSelect" android:layout_width="16dp" android:layout_height="16dp" android:background="@drawable/circle_transparent" app:layout_constraintBottom_toBottomOf="@+id/separator" app:layout_constraintEnd_toStartOf="@+id/separator" app:layout_constraintTop_toTopOf="parent" /> और एक और एक्सएमएल unclude prev। xml: <androidx.constraintlayout.widget.ConstraintLayout android:id="@+id/bottonContainer" android:layout_width="0dp" …