How to test ConstraintLayout in Android?

Testing a ConstraintLayout in Android can be achieved through various methods including unit tests, UI tests, and manual testing using the Android Studio tools. The key to effective testing is ensuring that your layout behaves as expected across different devices and orientations.

// Example of a simple ConstraintLayout in XML <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"> <TextView android:id="@+id/textView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World" app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"/> <Button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Click Me" app:layout_constraintTop_toBottomOf="@id/textView" app:layout_constraintStart_toStartOf="parent"/> </androidx.constraintlayout.widget.ConstraintLayout>

Android ConstraintLayout UI Testing Unit Testing Layout Testing

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