How to make my screen to listen to drag listener, android -


i trying implement drag down listener on android app, , make layout in view.gone state animate , increase upto height drag down.

i tried using ontouchlistener action down , action not helping me.

how achieve this?

layout1(app_header)

layout2(mapview)

layout3(viewpager)

layout 2 hidden(view.gone) after pressing button.

now dragging down screen header should layout2(mapview) increasing height drag down.

i tried using draglistener pagertabstrip on layout 3, didn't work.

are there 1 can me on this?

the best way achieve using ontouchlistener , custom ondraglistener.

here great example , here 1 (from google documentation)

if need additional ask!


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