ios - What causes grey, blurry area when pushing and popping UIViewController -


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this grey , blurry area show when pushing or popping view controller. causes , how fix it?

try this.

-(void)viewwilldisappear:(bool)animated{    [super viewwilldisappear:animated];    [self.view setalpha:0]; }

do not forget re set alpha when come back.

- (void) viewwillappear:(bool)animated{    [super viewwillappear:animated];    [self.view setalpha:1]; }

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