i have implemented code in which when i press button UIView Contains datepicker come from bottom and displayed
but it make navigation bar black
and when i press on hide button it make navigation bar normal
navigation bar contains just title
i have uiscroll view before UIView contains date picker
- (void)datePickerShow
{
[UIView animateWithDuration:0.5 animations:^{
CGRect location = [self.view1 frame];
location.origin.y =[self.scrollViewProfile frame].size.height - location.size.height;
NSLog(#"%f",location.origin.y);
[self.view1 setFrame:location];
// [self.scrollViewProfile setContentOffset:(CGPointMake(0,location.size.height) ) animated:YES];
} completion:^(BOOL finished) {
}];
}
//-----------------------------------------------------------------------
- (void) datePickerHide
{
[UIView animateWithDuration:0.5 animations:^{
CGRect location = [self.view1 frame];
location.origin.y =[self.scrollViewProfile frame].size.height +location.size.height;
NSLog(#"%f",[self.scrollViewProfile frame].size.height);
[self.view1 setFrame:location];
[self.scrollViewProfile setContentOffset:(CGPointMake(0,0))animated:true];
} completion:^(BOOL finished) {
}];
}
Try to disable View Controller-based status bar appearance. See this: https://stackoverflow.com/a/18549998/3429577
Related
I have a location button. I want to open a pop up view when location button got pressed. like this
when this view opened, all buttons and background view should be blurred.
How can i achieve this??
thnx for any kind of help.
To show the view with alert like animation create a popView you want to show and follow the below code:
popView.transform = CGAffineTransformScale(CGAffineTransformIdentity, 0.001, 0.001);
[self.view addSubview:popView];
[UIView animateWithDuration:0.3/1.5 animations:^{
popView.transform = CGAffineTransformScale(CGAffineTransformIdentity, 1.1, 1.1);
} completion:^(BOOL finished) {
[UIView animateWithDuration:0.3/2 animations:^{
popView.transform = CGAffineTransformScale(CGAffineTransformIdentity, 0.9, 0.9);
} completion:^(BOOL finished) {
[UIView animateWithDuration:0.3/2 animations:^{
popView.transform = CGAffineTransformIdentity;
}];
}];
}];
popView.transform = CGAffineTransformIdentity;
Hide the other views visible.
Just follow the below code
-(IBAction)buttonPress:(id)sender
{
popView.hidden = NO;
//OR
[self.view addSubview:popView];
btn1.hidden = YES;
btn2.hidden = YES;
btn3.hidden = YES;
view1.hidden = YES;
}
Simple,
Create one view & size of that view will be size of parent view. Your second view will contain your UI along with black blur view at background.
When you tap on the location button display that view so all other button will be hidden automatically.
I have a view controller that have a scroll view that bounce horizontally , and in this scroll view I have a label.
I can now hold the label and scroll it down, and if I release it will bounce up back.
What I want is that: When I scroll the view y coordinate (using myScrollView.contentOffset.y) to some value, lets say -33 and under I can release my fine and the label will animate to the bottom of the screen and disappear, and now I can set the label to be a new value, and It will animate from top to the label original position.
Here a photo of how the view controller looks like:
And this is the relevant method I already implemented (powered by #rebello95):
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
if (self.myScrollView.contentOffset.y <= -73) {
[UIView animateWithDuration:0.3 animations:^{
self.homeLabel.alpha = 0.0;
} completion:^(BOOL finished) {
[self.homeLabel removeFromSuperview];
self.homeLabel = nil;
}];
}
NSLog(#"%f", self.myScrollView.contentOffset.y);
}
Now I want it to slide to the bottom of the page and fade.
thanks!
EDIT: The animation now moves the label to the bottom of the view controller then fades it out.
You can use an animation block to move the label, then put another block inside the completion block to fade out the label, then remove it after the animation completes.
Example:
[UIView animateWithDuration:0.3 animations:^{
[self.myLabel setFrame:CGRectMake(self.myLabel.frame.origin.x, self.view.frame.size.height - self.myLabel.frame.size.height, self.myLabel.frame.size.width, self.myLabel.frame.size.height)];
self.labelRemoving = YES;
} completion:^(BOOL finished) {
[UIView animateWithDuration:0.3 animations:^{
self.myLabel.alpha = 0.0;
} completion:^(BOOL finished) {
[self.myLabel removeFromSuperview];
self.myLabel = nil;
self.labelRemoving = NO;
}];
}];
Sidenote: You should probably be using <= instead of == in your if statement to achieve your desired results. In addition, you may want to set a flag to indicate that your label is being removed (since that method will inevitably be called multiple times). Something like this:
//.h
#property (nonatomic, assign) BOOL labelRemoving;
//.m
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
if (self.myScrollView.contentOffset.y <= -33 && !self.labelRemoving) {
[UIView animateWithDuration:0.3 animations:^{
[self.myLabel setFrame:CGRectMake(self.myLabel.frame.origin.x, self.view.frame.size.height - self.myLabel.frame.size.height, self.myLabel.frame.size.width, self.myLabel.frame.size.height)];
self.labelRemoving = YES;
} completion:^(BOOL finished) {
[UIView animateWithDuration:0.3 animations:^{
self.myLabel.alpha = 0.0;
} completion:^(BOOL finished) {
[self.myLabel removeFromSuperview];
self.myLabel = nil;
self.labelRemoving = NO;
}];
}];
}
NSLog(#"%f", self.myScrollView.contentOffset.y);
}
Every time I click on my UISegementedControl it snaps back to its original frame. I can see it barely through my translucent toolbar.
I have a UIViewController with a UITableView, and UIToolBar like this:
There is a UISegmentedControl hidden just below the table view, behind the toolbar:
The Filter button calls the 'onFilterButtonPressed' method
- (IBAction)onFilterButtonPressed:(id)sender
{
if(self.filterBar.hidden){
[self showFilterBar];
} else {
[self hideFilterBar];
}
}
- (void)hideFilterBar
{
CGRect filterBarFrame = CGRectMake(0, self.view.frame.size.height+(self.filterBar.frame.size.height+1), self.filterBar.frame.size.width, self.filterBar.frame.size.height);
CGRect tableViewFrame = CGRectMake(self.tableView.frame.origin.x, self.tableView.frame.origin.y,self.tableView.frame.size.width, self.tableView.frame.size.height+(self.filterBar.frame.size.height+1));
[UIView animateWithDuration:0.3 animations:^{
[self.filterBar setFrame:filterBarFrame];
[self.tableView setFrame:tableViewFrame];
} completion:^(BOOL finished) {
self.filterBar.hidden = YES;
}];
}
- (void)showFilterBar
{
CGRect filterBarFrame = CGRectMake(0, self.view.frame.size.height-(self.filterBar.frame.size.height+1), self.filterBar.frame.size.width, self.filterBar.frame.size.height);
CGRect tableViewFrame = CGRectMake(self.tableView.frame.origin.x, self.tableView.frame.origin.y,self.tableView.frame.size.width, self.tableView.frame.size.height-(self.filterBar.frame.size.height+1));
self.filterBar.hidden = NO;
[UIView animateWithDuration:0.3 animations:^{
[self.tableView setFrame:tableViewFrame];
[self.filterBar setFrame:filterBarFrame];
}];
}
This is because of auto layout. With that turned on (which it is by default), you should do any positioning or resizing of views by modifying constraints, not setting frames.
I have a view controller with multiple child view controllers in it (set up using Storyboards), and I move the one on top to the right (with the status bar as well) to display the underlying sidebar view controller.
This works perfectly with frames, as shown below:
- (void)displaySidebar {
self.fullScreenSnapshotOverlay = [self takeFullScreenSnapshot];
[self.postsView addSubview:self.fullScreenSnapshotOverlay];
[self hideStatusBar];
[UIView animateWithDuration:0.4 animations:^{
CGRect newFrame = self.postsView.frame;
newFrame.origin.x += 200.0;
self.postsView.frame = newFrame;
}];
}
(hideStatusBar simply called the UIApplication method and layoutIfNeeded.)
Giving me this (perfect) result:
However, if in the Storyboard I go to the container view controller and make a constraint from its leading space to the left of the view controller it's embedded in, and then adjust that constant, it really messes up the navigation bar, I assume due to hiding the status bar and taking a screenshot. I'm using this code:
- (void)displaySidebar {
self.fullScreenSnapshotOverlay = [self takeFullScreenSnapshot];
[self.postsViewController.view addSubview:self.fullScreenSnapshotOverlay];
[self hideStatusBar];
[UIView animateWithDuration:0.4 animations:^{
self.postsViewControllerDistanceFromLeftSideConstraint.constant = 270.0;
[self.view layoutIfNeeded];
}];
}
Giving me this messed up result:
Now I know the simple thing to do would be to just continue with frames, but I'd like to learn how do it properly with Auto Layout. What am I doing wrong here?
I'm not sure how what I did is any different from what you're doing. I modified the code I posted to your other question (Why does hiding my status bar completely break my simple animation?) to what's below, and it worked fine.
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
[self performSelector:#selector(displaySidebar) withObject:nil afterDelay:1];
}
-(void)displaySidebar {
self.snapshotView = [self takeSnapshot];
[self.PostsView addSubview:self.snapshotView];
[self hideStatusBar];
self.leftCon.constant = 270;
[UIView animateWithDuration:1.0 animations:^{
[self.view layoutIfNeeded];
}];
}
-(void)moveOutMenu { // called from a button in the menu controller
self.leftCon.constant = 0;
[UIView animateWithDuration:1.0 animations:^{
[self.view layoutIfNeeded];
} completion:^(BOOL finished) {
[[UIApplication sharedApplication] setStatusBarHidden:NO];
[self.snapshotView performSelector:#selector(removeFromSuperview) withObject:nil afterDelay:0.01];
}];
}
-(UIView *)takeSnapshot {
UIView *v = [[UIScreen mainScreen] snapshotViewAfterScreenUpdates:NO];
return v;
}
-(void)hideStatusBar {
[[UIApplication sharedApplication] setStatusBarHidden:YES];
[self.view layoutIfNeeded];
}
What are all the constraints you have on the container view that you're moving? Maybe there's something different there (I have top, leading, bottom and width constraints on mine -- leftCon is the outlet to the leading constraint).
I have a View (CupsViewController) with a Label and when it's clicked, TableView (AddressTableController) slides from the bottom of the screen and stays in the lower half.
In TableView, when Ok Buttonis pressed, I want to change value of Labeland remove TableViewwith animation (that is, slide to the bottom).
Here is my code:
CupsViewController
Method called when click on Label
- (IBAction)showPop:(id)sender
{
addressTableController = [[AddressTableController alloc]initWithStyle:UITableViewStyleGrouped];
[addressTableController setDelegate:self];
[[self view] addSubview:[addressTableController myTableView]];
[UIView animateWithDuration:1.0 delay:0 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
[[addressTableController myTableView] setFrame:CGRectMake(0, kScreenHeight * 0.5, kScreenWidth, kScreenHeight * 0.5)];
} completion:nil];
}
Method called from AddressTableControllerwhen Buttonis pressed
- (void)addressTableController:(AddressTableController *)viewController didChooseValue:(int)value {
direccionLabel.text = [[[[myAppDelegate usuarioActual] cups] objectAtIndex:value] direccion];
[addressTableController.view removeFromSuperview];
}
Image
As you can see, I've tried with removeFromSuperviewbut it does nothing. How can I slide TableViewto the bottom?
It seems that you myTableView property returns a different view, not the one that is referenced in the view property. So you basically add the former as a subview ([[self view] addSubview:[addressTableController myTableView]];), but try to remove the latter ([addressTableController.view removeFromSuperview];).
Just do
[[addressTableController myTableView] removeFromSuperview];
instead of
[addressTableController.view removeFromSuperview];
Here you go. Cheers, mate! :)
P.S.
if you want to animate the view out, you can do it like this
[UIView animateWithDuration:1.0 delay:0 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
// animation code...
} completion:^(BOOL finished) {
[[addressTableController myTableView] removeFromSuperview];
}];