Android 9 Development Cookbook - Third Edition

How to do it...

As mentioned in the previous Getting ready section, we'll need an image for the compass. You can download the one previously linked, or use any image you prefer, then follow these steps:

1. Copy your image to the res/drawable folder and name it compass.png.
2. Open activity_main.xml and replace the existing TextView with the following ImageView:

<android.support.v7.widget.AppCompatImageView    android:id="@+id/imageViewCompass"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_centerInParent="true"    android:src="@drawable/compass"    app:layout_constraintBottom_toBottomOf="parent"    app:layout_constraintLeft_toLeftOf="parent"    app:layout_constraintRight_toRightOf="parent"    app:layout_constraintTop_toTopOf= ...