When a button is clicked on by the user, we want the method foo to execute. How do we do it (inside the Button element of the activity_main.xml file)?
A) android:onClick="foo"
B) android="foo"
C) android:onClick="@activity/foo"
D) onClick="foo"

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The Answer of When a button is clicked on by the user, we want the method foo to execute. How do we do it (inside the Button element of the activity_main.xml file)?
A) android:onClick="foo"
B) android="foo"
C) android:onClick="@activity/foo"
D) onClick="foo"

When a Button Is Clicked on by the User, We