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self.window.tintAdjustmentMode = UIViewTintAdjustmentModeNormal;

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  [[UINavigationBar appearance] setTintColor:[UIColor whiteColor]];

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UIView *masterView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 300, 260)];
UIToolbar *pickerToolbar = [self createPickerToolbarWithTitle:@"Surgeons"];
pickerToolbar.barTintColor= [UIColor blueColor];
pickerToolbar.translucent=YES;
[masterView addSubview:pickerToolbar];
[masterView addSubview:pickerViewObj];
UIViewController *viewController = [[UIViewController alloc] initWithNibName:nil bundle:nil];
viewController.view = masterView;
viewController.contentSizeForViewInPopover = viewController.view.frame.size;
self.popoverController =[[UIPopoverController alloc] initWithContentViewController:viewController];

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