How exactly does the android:onClick XML attribute differ from setOnClickListener?

Question

From that I\'ve read you can assign a onClick handler to a button in two ways.

Using the android:onClick XML attribute where you just use t

Answer 1

Note that if you want to use the onClick XML feature, the corresponding method should have one parameter, whose type should match the XML object.

For example, a button will be linked to your method through its name string : android:onClick="MyFancyMethod" but the method declaration should show: ...MyFancyMethod(View v) {...

If you are trying to add this feature to a menu item, it will have the exact same syntax in the XML file but your method will be declared as: ...MyFancyMethod(MenuItem mi) {...