设置childViewcontroller
Unbalanced calls to begin/end appearance transitions for
以上报错 需要添加
transitionFromViewController 方法完成与否的判断 跳转没有完成就往下一个childviewcontroller 跳转 会出现黑屏等问题。
self.ganZhi_vc = [board instantiateViewControllerWithIdentifier:@"HDGanZhiViewController"];
[self addChildViewController:self.ganZhi_vc]; self.data_vc = [board instantiateViewControllerWithIdentifier:@"HDDataViewController"];
[self addChildViewController:self.data_vc]; self.map_vc = [board instantiateViewControllerWithIdentifier:@"HDMapViewController"];
[self addChildViewController:self.map_vc]; self.code_vc = [board instantiateViewControllerWithIdentifier:@"HDCodeViewController"];
[self addChildViewController:self.code_vc]; [self.view addSubview:self.root_vc.view];
[self.root_vc didMoveToParentViewController:self];
_currentViewController = self.root_vc;
界面跳转
-(void)changeViewControllerWith:(UIViewController *)temp
{
if (_transitioning) {
return;
}
else
{
if (_currentViewController != temp) {
[self transitionFromViewController:_currentViewController toViewController:temp duration:0 options:UIViewAnimationOptionTransitionCrossDissolve animations:nil completion:^(BOOL finished) {
_transitioning = NO;
}];
_currentViewController = temp;
}
}
}