FloatingView

FloatingView moved by finger supporting OverlaySystem, OverlayActivity, OverlayViewGroup modes.

Features:

• Support three modes: OverlaySystem 、 OverlayActivity and OverlayViewGroup
• OverlaySystem: Display FloatingView above other apps
• OverlayActivity: Display FloatingView above certain Activity
• OverlayViewGroup: Display FloatingView above certain ViewGroup
• Move FloatingView with finger
• Define 9 initial position for FloatingView
• Define initial paddings for FloatingView