Blur Activity Background with Swipe in android -


i need blur activity background when swipe right left , left right. have read blur or dim background when android popupwindow active , dim background flag_dim_behind. can't use because use dim behind current window. in case there no other windows. in app, changes on same activity swipe gesture.

how can ?

for dimming activity....  getwindow().getattributes().windowanimations=r.style.pausedialoganimation;         getwindow().getattributes().flags=windowmanager.layoutparams.flag_dim_behind;         getwindow().getattributes().dimamount=0.5f;

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