[Solved] android Class.forName throws exception

Interface OnSystemUiVisibilityChangeListener is nested in class View, so I believe you would have to do Class.forName("android.view.View$OnSystemUiVisibilityChangeListener"); (note the ‘$’).

References:

• http://developer.android.com/reference/android/view/View.html
• http://developer.android.com/reference/android/view/View.OnSystemUiVisibilityChangeListener.html