ios - UIScrollview shifting contents up after scrolling down and pushing new viewcontroler -


i have trouble figuring out issue on uiscrollview. contents inside uiscrollview move after clicking button push new view controller onto screen, , going original view controller. notice how the top of scrollview changes.

enter image description here enter image description here

here code scrollview

- (void)viewdidload{     [super viewdidload];      [scroll setscrollenabled:yes];     [scroll setcontentsize:cgsizemake(923, 934)];     [self.view addsubview:scroll]; }

i solved problem

-(void)viewwillappear:(bool)animated{       [scroll setcontentoffset:cgpointmake(0,0)];  }

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