Android 9 Development Cookbook - Third Edition

How to do it...

For an app to create a shortcut, it must have the INSTALL_SHORTCUT permission. With the appropriate permission, it's a simple matter of calling an intent with your app properties. The following are the steps:

1. Open the AndroidManifest file and add the following permission:

<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />

2. Next, open activity_main.xml and replace the existing TextView with the following button:

<Button    android:id="@+id/button"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="Create Shortcut"    android:onClick="createShortcut"    app:layout_constraintBottom_toBottomOf="parent"    app:layout_constraintLeft_toLeftOf="parent"    app:layout_constraintRight_toRightOf= ...