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MainActivity XML <?xml version=”1.0″ encoding=”utf-8″?> <LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:tools=”http://schemas.android.com/tools” android:layout_width=”match_parent” android:layout_height=”match_parent” android:orientation=”vertical” tools:context=”.MainActivity”> <Button android:id=”@+id/btSuccess” android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:text=”SUCCESS” android:layout_gravity=”center” android:backgroundTint=”@color/white” android:textColor=”@color/black” android:textStyle=”bold” android:textSize=”20sp” android:layout_marginTop=”200dp”/> <Button android:id=”@+id/btFailed” android:layout_width=”wrap_content”...