Drag the screen and the background moves to achieve

            
android how to implement drag screen and dragging the screen in the background also will make the process of moving effect?
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Do not sink ah, man
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Does anyone know what wood?
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No one really knows. . .
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Depends on how you want to drag around, up and down, and the change process becomes simpler if it is a direct, gradual changes in the background is more complex,,,
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references, 4th Floor heaimnmn reply:

depends on how you want to drag around, up and down, and the change process becomes simpler if it is a direct, gradual changes in background more complex,,,

"Change the background gradient is more complex," How?
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Custom Animation AlphaAnimation gradient, but will be cards, so the idea is, you have to know to write a drag event, and then determine the coordinates according event.x and event.y gradient generated animation,,,
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give you an idea:
You drag over said record the current coordinates, the origin of coordinates corresponding changes,
Coordinate system corresponds to the movement.