How to show and hide the animation effects of TabBar in iOS
This article is about how to show and hide the animation effects of TabBar in iOS. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.
The system has no animation effect to show and hide tabBar, how to add animation effect to it?
Here is the sample code:
/ / hide the tag bar
-(void) hiddenTheTabBar
{
If (! [[NSUserDefaults standardUserDefaults] boolForKey:@ "isHiddenTabBar"]) {
For (UIView * v in [self.view subviews]) {
If ([v isKindOfClass: [UITabBar class]]) {
[UIView animateWithDuration:0.5f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations: ^ () {
CGRect frame = v.frame
Frame.origin.y + = 49.0f
V.frame = frame
} completion:nil]
} else {
[UIView animateWithDuration:0.5f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations: ^ () {
CGRect frame = v.frame
Frame.size.height + = 49.0f
V.frame = frame
} completion:nil]
}
}
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@ "isHiddenTabBar"]
}
}
/ / display the label bar
-(void) showTheTabBar
{
If ([[NSUserDefaults standardUserDefaults] boolForKey:@ "isHiddenTabBar"]) {
For (UIView * v in [self.view subviews]) {
If ([v isKindOfClass: [UITabBar class]]) {
[UIView animateWithDuration:0.3f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations: ^ () {
CGRect frame = v.frame
Frame.origin.y-= 49.0f
V.frame = frame
} completion:nil]
} else {
[UIView animateWithDuration:0.3f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations: ^ () {
CGRect frame = v.frame
Frame.size.height-= 49.0f
V.frame = frame
} completion:nil]
}
}
[[NSUserDefaults standardUserDefaults] setBool:NO forKey:@ "isHiddenTabBar"]
}
}
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