I have the a sidebar in my ipad app and when there is this method toggleMenu which is performing the animation but when i call the method from another view controller it does not perform animation . The method runs fine but no animation
The method is
-(IBAction)toggleMenu
{
[UIView beginAnimations:#"Menu Slide" context:nil];
[UIView setAnimationDuration:0.2];
if(self.contentView.frame.origin.x == 0) //Menu is hidden
{
NSLog(#"show menu");
CGRect newFrame = CGRectOffset(self.contentView.frame, self.menuView.frame.size.width, 0.0);
self.contentView.frame = newFrame;
}
else //Menu is shown
{
NSLog(#"hide menu");
[menuTableView reloadData];
CGRect newFrame = CGRectOffset(self.contentView.frame, -(self.menuView.frame.size.width), 0.0);
self.contentView.frame = newFrame;
}
[UIView commitAnimations];
}
Try this, You have to send notification from another view controller when you want to animate ..
[[NSNotificationCenter defaultCenter] postNotificationName:#"animationstart" object:nil];
in slidemenuviewcontroller
-(void)viewDidLoad
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(toggleMenu) name:#"animationstart" object:nil];
}
- (IBAction)toggleMenu
{
[UIView beginAnimations:#"Menu Slide" context:nil];
[UIView setAnimationDuration:0.2];
if(self.contentView.frame.origin.x == 0) //Menu is hidden
{
NSLog(#"show menu");
CGRect newFrame = CGRectOffset(self.contentView.frame, self.menuView.frame.size.width, 0.0);
self.contentView.frame = newFrame;
}
else //Menu is shown
{
NSLog(#"hide menu");
[menuTableView reloadData];
CGRect newFrame = CGRectOffset(self.contentView.frame, - (self.menuView.frame.size.width), 0.0);
self.contentView.frame = newFrame;
}
[UIView commitAnimations];
}
Related
I'm using the below code to shift a view and my tableview up when my keyboard is activated. When the keyboard is closed however, it takes the upView a solid 2 seconds after the keyboard closes to return to where it was (the tableView on the other hand, is instant). Why is this happening?
- (void)viewDidLoad {
[super viewDidLoad];
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(keyboardWillChange:) name:UIKeyboardWillShowNotification object:nil];
}
- (void)keyboardWillChange:(NSNotification *)notification {
NSDictionary* keyboardInfo = [notification userInfo];
NSValue* keyboardFrameBegin = [keyboardInfo valueForKey:UIKeyboardFrameEndUserInfoKey];
CGRect keyboardFrameBeginRect = [keyboardFrameBegin CGRectValue];
UITabBarController *tabBarController = [UITabBarController new];
CGFloat tabBarHeight = tabBarController.tabBar.frame.size.height;
self.keyboardHeight = keyboardFrameBeginRect.size.height - tabBarHeight;
}
- (void) animateTextView:(BOOL) up
{
const int movementDistance = self.keyboardHeight;
const float movementDuration = 0.2f;
int movement= movement = (up ? -movementDistance : movementDistance);
[UIView beginAnimations: #"anim" context: nil];
[UIView setAnimationBeginsFromCurrentState: YES];
[UIView setAnimationDuration: movementDuration];
self.upView.frame = CGRectOffset(self.upView.frame, 0, movement);
[UIView setAnimationDidStopSelector:#selector(afterAnimationStops)];
[UIView commitAnimations];
self.tableView.frame = CGRectOffset(self.tableView.frame, 0, movement);
[UIView setAnimationDidStopSelector:#selector(afterAnimationStops)];
[UIView commitAnimations];
}
- (void)textViewDidBeginEditing:(UITextView *)textView
{
[self animateTextView:YES];
}
- (void)textViewDidEndEditing:(UITextView *)textView
{
[self animateTextView:NO];
}
UPDATED CODE
.m
- (void)handleKeyboard:(NSNotification*)aNotification{
NSDictionary* info = [aNotification userInfo];
NSValue* value = [info objectForKey:UIKeyboardAnimationDurationUserInfoKey];
NSTimeInterval duration = 3;
[value getValue:&duration];
if (aNotification.name == UIKeyboardWillHideNotification) {
/** KEYBOARD HIDE **/
[UIView animateWithDuration:0 animations:^{ self.upView.frame = CGRectOffset(self.upView.frame, 0, self.keyboardHeight); self.tableView.frame = CGRectOffset(self.tableView.frame, 0, self.keyboardHeight); } completion:^(BOOL finished) {}];
[self moveCustomView:NO duration:duration];
NSLog(#"CLOSED!");
}
if (aNotification.name == UIKeyboardWillShowNotification) {
/** KEYBOARD SHOW **/
[UIView animateWithDuration:0 animations:^{ self.upView.frame = CGRectOffset(self.upView.frame, 0, -self.keyboardHeight); self.tableView.frame = CGRectOffset(self.tableView.frame, 0, -self.keyboardHeight); } completion:^(BOOL finished) {}];
[self moveCustomView:YES duration:duration];
}
}
- (void)moveCustomView:(BOOL)move duration:(NSTimeInterval)time{
}
This issue might be with the animation duration, so you can get the keyboard showing and hiding animation duration from the -(void)handleKeyboard:(NSNotification *)notification {}
and also handle the showing and hiding your custom view inside the same function. Add the following code to your viewDidLoad function
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(handleKeyboard:) name:UIKeyboardWillHideNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(handleKeyboard:) name:UIKeyboardWillShowNotification object:nil];
Handle keyboard actions and UI changes
- (void)handleKeyboard:(NSNotification*)aNotification{
NSDictionary* info = [aNotification userInfo];
NSValue* value = [info objectForKey:UIKeyboardAnimationDurationUserInfoKey];
NSTimeInterval duration = 0;
[value getValue:&duration];
if (aNotification.name == UIKeyboardWillHideNotification) {
/** KEYBOARD HIDE **/
//calculate your view frames and handle UI changes
/*
.
.
.
.
.
*/
[self moveCustomView:NO duration:duration];
}
if (aNotification.name == UIKeyboardWillShowNotification) {
/** KEYBOARD SHOW **/
//calculate your view frames and handle UI changes
/*
.
.
.
.
.
*/
[self moveCustomView:YES duration:duration];
}
}
- (void)moveCustomView:(BOOL)move duration:(NSTimeInterval)time{
}
I think you need to use thread to call animation immediately...
- (void)textViewDidBeginEditing:(UITextView *)textView {
dispatch_async(dispatch_get_main_queue(), ^{
[self animateTextView:YES];
});
}
- (void)textViewDidEndEditing:(UITextView *)textView {
dispatch_async(dispatch_get_main_queue(), ^{
[self animateTextView:NO];
});
}
I'm not much aware of your problem, but try this because if we got this type of problems dispatch_async() will solve.
I need to move a keyboard up and down. I have many subviews with many uiTextfields. These subviews has one superview and this superview is in the scroll view.
I can't move up a view using below code:
- (void) keyboardWasShown:(NSNotification *)notification{
NSDictionary *info = [notification userInfo];
CGSize kbSize = [[info objectForKey:UIKeyboardFrameBeginUserInfoKey]CGRectValue].size;
UIEdgeInsets contentInsets = UIEdgeInsetsMake(0.0, 0.0, kbSize.height, 0);
self.Scroll_view.contentInset = contentInsets;
self.Scroll_view.scrollIndicatorInsets = contentInsets;
}
- (void) keyboardWillBeHidden:(NSNotification *)notification{
UIEdgeInsets contentInsets = UIEdgeInsetsZero;
self.Scroll_view.contentInset = contentInsets;
self.Scroll_view.scrollIndicatorInsets = contentInsets;
}
This code working fine when i place all the UITextfields in the ScrollView(Not into the subviews), But i need to do with subview and also move keyboard up and down.
How can i move a keyboard up and down while press keyboard Next/Return key?
Try This:
- (void)animateViewUpToTargetYOrigin:(CGFloat)yValue
{
[[NSNotificationCenter defaultCenter] addObserverForName:UIKeyboardDidChangeFrameNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
CGFloat yOrigin = 0;
CGFloat keyboardYOrigin = [[[note userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].origin.y;
if (yValue > keyboardYOrigin) {
yOrigin = yValue - keyboardYOrigin;
}
[UIView animateWithDuration:0.3f animations:^{
self.view.frame = CGRectMake(self.frame.origin.x, -yOrigin, self.frame.size.width, self.frame.size.height);
}];
}];
Using this code you only need to call this method in textfield didbeginediting, and pass the yOrigin(textfield)+height(textField) as y value in it.
If you textFields are in Scrollview or any sub view convert their frame values in respect to self.view before sending Y value.
E.g:
CGRect textFieldRectWithRespectToSelfView = [textField.superview convertRect:textField.frame toView:self.view];
[self.view animateViewUpToTargetYOrigin: textFieldRectWithRespectToSelfView.orgin.y + textFieldRectWithRespectToSelfView.size.height];
When you call [textField resignFirstResponder], self.view comes back to its original position. This happens because the UIKeyboardDidChangeFrameNotification always keeps listening to keyboard frame changes.
I do have a demo project in github as an example please refer to it:
https://github.com/subhajitregor/ViewMoveUpExample
In viewDidLoad method
- (void)viewDidLoad {
[super viewDidLoad];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:#selector(keyboardWillShow:)
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:#selector(keyboardWillHide:)
name:UIKeyboardWillHideNotification
object:nil];
}
- (void)keyboardWillHide:(NSNotification *)aNotification
{
// the keyboard is hiding reset the table's height
NSTimeInterval animationDuration =
[[[aNotification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];
CGRect frame = self.view.frame;
frame.origin.y += 150;
[UIView beginAnimations:#"ResizeForKeyboard" context:nil];
[UIView setAnimationDuration:animationDuration];
self.view.frame = frame;
[UIView commitAnimations];
}
- (void)keyboardWillShow:(NSNotification *)aNotification
{
// the keyboard is showing so resize the table's height
NSTimeInterval animationDuration =
[[[aNotification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];
CGRect frame = self.view.frame;
frame.origin.y -= 150;
[UIView beginAnimations:#"ResizeForKeyboard" context:nil];
[UIView setAnimationDuration:animationDuration];
self.view.frame = frame;
[UIView commitAnimations];
}
Ok so I have gone through almost all questions on SO and tutorials. I am now able to move my UIView up so that it is visible while typing. However the problem is, I want to move the UIView ONLY if the UITextField gets covered by the keyboard, because if it is not, then there is no point in moving the UIView. My code so far:
- (void)viewDidLoad
{
[super viewDidLoad];
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(keyboardWillShow:)
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:#selector(keyboardWillHide:)
name:UIKeyboardWillHideNotification
object:nil];
}
#pragma mark - keyboard movements
- (void)keyboardWillShow:(NSNotification *)notification
{
CGSize keyboardSize = [[[notification userInfo] objectForKey:UIKeyboardFrameBeginUserInfoKey] CGRectValue].size;
[UIView animateWithDuration:0.3 animations:^{
CGRect f = self.view.frame;
f.origin.y = -keyboardSize.height;
self.view.frame = f;
}];
}
-(void)keyboardWillHide:(NSNotification *)notification
{
[UIView animateWithDuration:0.3 animations:^{
CGRect f = self.view.frame;
f.origin.y = 0.0f;
self.view.frame = f;
}];
}
Any help will be appreciated, thank you.
To check is UITextField covered by keyboard you can do something like this:
- (void)keyboardWillShow:(NSNotification *)notification {
CGSize keyboardSize = [[[notification userInfo] objectForKey:UIKeyboardFrameBeginUserInfoKey] CGRectValue].size;
if (myTextField.frame.origin.y + myTextField.frame.size.height > [UIScreen mainScreen].bounds.size.height - keyboardSize.height) {
// textfield is covered by keyboard
[UIView animateWithDuration:0.3 animations:^{
CGRect f = self.view.frame;
f.origin.y = -keyboardSize.height;
self.view.frame = f;
}];
}
}
I have an application on iPhone who has much content in viewcontroller. Generally the main content is form. My problem is that I put up keyboard and want to type some value to form fields much of content is invisible. I want to scroll this content when keyboard appear. How can I do this?
My view does'n have scroll view however I tried do this but it don't works.
All hints I found so far concern how to put up used textbox, but this is not my assumption.
This is what i did, I changed the top constraint when keyboard rises up and down like this-
in viewDidLoad call this method-
[self observeKeyboard];
#pragma mark- Keyboard Listen Methods
- (void)observeKeyboard {
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(keyboardWillShow:) name:UIKeyboardWillChangeFrameNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
}
- (void)keyboardWillShow:(NSNotification *)notification {
NSDictionary *info = [notification userInfo];
NSValue *kbFrame = [info objectForKey:UIKeyboardFrameEndUserInfoKey];
NSTimeInterval animationDuration = [[info objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];
CGRect keyboardFrame = [kbFrame CGRectValue];
CGFloat height = keyboardFrame.size.height;
self.COnstraintTopViewVertical.constant=(value of constant)-height;
[UIView animateWithDuration:animationDuration animations:^{
[self.view layoutIfNeeded];
}];
}
- (void)keyboardWillHide:(NSNotification *)notification {
NSDictionary *info = [notification userInfo];
NSTimeInterval animationDuration = [[info objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];
self.ConstraintTopViewVertical.constant=reset value;
[UIView animateWithDuration:animationDuration animations:^{
[self.view layoutIfNeeded];
}];
}
You can programmatically change position in the view upon keyboard appearance with the following code:
func keyboardWasShown(notification: NSNotification) {
UIView.animateWithDuration(0.3, animations: { () -> Void in
self.setContentOffset(CGPoint(x: setXOffsetHere, y: setYOffsetHere), animated: true)
})
}
This code will transition the view to the coordinates you specify in .setContentOffset call after keyboard appearance. You still have to get the coordinates, but usually they are pretty straightforward to get from storyboard.
Put all your views in a scroll view
Set an auto layout constraint from the bottom of the scroll view to the bottom of the superview
In viewWillAppear
[[NSNotificationCenter defaultCenter] addObserver:self
selector:#selector(keyboardWillChangeFrame:)
name:UIKeyboardWillChangeFrameNotification object:nil];
Handle the KB notification
- (void)keyboardWillChangeFrame:(NSNotification*)aNotification
{
CGRect kbFrame = [aNotification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
CGRect kbWindowIntersectionFrame = CGRectIntersection(self.view.window.bounds, kbFrame);
[UIView animateWithDuration:[aNotification.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue] animations:^{
self.scrollVBottomConstraint.constant = kbWindowIntersectionFrame.size.height;
[self.view layoutIfNeeded];
}];
}
what i got from your question is: you are using textfield on UIView which is not on the scrollview, now you have to scroll the UIView when keyboard appears. just do following stuff.
-Give the tag to your textfield.
-suppose tag you have given is 4545646
-do not forgot to assign delegate to your textfield (it will execute below delegate method when you start to edit)
- (void)textFieldDidBeginEditing:(UITextField *)textField
{
if (textField.tag == 4545646) {
UIView *contanerView = [self.view viewWithTag:5556466];
[UIView animateWithDuration:0.5 animations:^{
contanerView.frame = CGRectMake(self.view.frame.origin.x+1, -85, self.view.frame.size.width, self.view.frame.size.height-9);
}];
}
}
Change the frame as per your requirement.
and
- (void)textFieldDidEndEditing:(UITextField *)textField {
if (textField.tag == 4545646) {
[textField resignFirstResponder];
UIView *contanerView = [self.view viewWithTag:5556466];
[UIView animateWithDuration:0.5 animations:^{
contanerView.frame = CGRectMake(self.view.frame.origin.x+1, self.view.frame.origin.y, self.view.frame.size.width, self.view.frame.size.height);
}];
}
In viewDidAppear add the following notifications
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(keyBoardShown:) name:UIKeyboardWillShowNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(keyBoardDismiss:) name:UIKeyboardWillHideNotification object:nil];
and in keyBoardShown method get the keyboard height
- (void)keyBoardShown:(NSNotification*)notification
{
if(self.view.frame.origin.y>=0)
{
NSDictionary* keyboardInfo = [notification userInfo];
NSValue* keyboardFrameBegin = [keyboardInfo valueForKey:UIKeyboardFrameBeginUserInfoKey];
CGRect keyboardFrameBeginRect = [keyboardFrameBegin CGRectValue];
// NSLog(#"hihi : %f",keyboardFrameBeginRect.size.height);
keyBoardHeight = keyboardFrameBeginRect.size.height-yDeault+50;
if (keyBoardHeight>0) {
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.5];
[UIView setAnimationCurve:UIViewAnimationCurveEaseOut];
self.view.frame = CGRectMake(self.view.frame.origin.x, (self.view.frame.origin.y-keyBoardHeight), self.view.frame.size.width, self.view.frame.size.height);
[UIView commitAnimations];
}
}
}
in keyBoardDismiss setback the mainview y coordinate to previous value
-(void)keyBoardDismiss:(NSNotification*)notification{
if(self.view.frame.origin.y<0){
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.5];
[UIView setAnimationCurve:UIViewAnimationCurveEaseOut];
self.view.frame = CGRectMake(self.view.frame.origin.x, (self.view.frame.origin.y+keyBoardHeight), self.view.frame.size.width, self.view.frame.size.height);
[UIView commitAnimations];
}
}
here yDeault is textfield y coordinate value
yDeault= screenHeight-textField.frame.origin.y+textField.frame.size.height;
Once the keyboard is shown main view will be moved up and once keyboard is dismissed main view will be moved back to the original position
OK. I done this. I need to just add scroll view but in my app probably I have to reconstruct all my view.
No need to add scrollview. Directly you can do this. You can change the self.view.frame without the need of scrollview.
I have the following code for moving the view up and down when keyboard appears on a text field.
-(void)textFieldDidBeginEditing:(UITextField *)textField{
NSLog(#"height before animation%f",self.view.frame.size.height);
NSLog(#"%f",self.view.frame.size.height);
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
[self.view setFrame:CGRectMake(0,-216,320,460)];
[UIView commitAnimations];
}
-(void)textFieldDidEndEditing:(UITextField *)textField{
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
[self.view setFrame:CGRectMake(0,0,320,460)];
[UIView commitAnimations];
NSLog(#"height after animation %f",self.view.frame.size.height);
}
Here's a sample log I get when keyboard appears and then editing is finished :
2014-01-21 11:00:51.194 Master-view[456:70b] height before animation 568.000000
2014-01-21 11:00:53.635 Master-view[456:70b] height after animation 460.000000
The height of the view seems to get reduced which is making bottom part of the screen non-interactable. Why is this happening ?
View is moving up and is coming down too without issue. Also visually there appears to be no difference. All elements which were there before moving up are there after coming down. But the elements at bottom of the screen ( beyond the height of 460.0) are not intractable.
-(void)textFieldDidBeginEditing:(UITextField *)textField{
NSLog(#"height before animation%f",self.view.frame.size.height);
NSLog(#"%f",self.view.frame.size.height);
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
[self.view setFrame:CGRectMake(0,-216,320,self.view.frame.size.height)];
[UIView commitAnimations];
}
-(void)textFieldDidEndEditing:(UITextField *)textField{
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
[self.view setFrame:CGRectMake(0,0,320,self.view.frame.size.height)];
[UIView commitAnimations];
NSLog(#"height after animation %f",self.view.frame.size.height);
}
I set the frame as per view height you only change the y position when key beginediting and try to set it back when end editing
may this help you
Try changing like
-(void)textFieldDidBeginEditing:(UITextField *)textField{
NSLog(#"height before animation%f",self.view.frame.size.height);
NSLog(#"%f",self.view.frame.size.height);
CGRect viewFrame = self.view.frame;
viewFrame.origin.y = -216;
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
[self.view setFrame:viewFrame];
[UIView commitAnimations];
}
-(void)textFieldDidEndEditing:(UITextField *)textField{
CGRect viewFrame = self.view.frame;
viewFrame.origin.y = 0;
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
[self.view setFrame:viewFrame];
[UIView commitAnimations];
NSLog(#"height after animation %f",self.view.frame.size.height);
}
We use NSNotification keyboard will show and keyboard will hide for that.
we use add notification for keyboard show and hide we add in viewWillAppear a notification and remove Notification in viewWillDisappear.
-(void)viewWillAppear:(BOOL)animated{**
[[NSNotificationCenter defaultCenter] addObserver:self
selector:#selector(keyboardWillShow)
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:#selector(keyboardWillHide)
name:UIKeyboardWillHideNotification
object:nil];
}
- (void)viewWillDisappear:(BOOL)animated**
{
[[NSNotificationCenter defaultCenter] removeObserver:self
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self
name:UIKeyboardWillHideNotification
object:nil];
}
-(void)keyboardWillShow {
if (self.view.frame.origin.y >= 0)
{
[self setViewMovedUp:YES];
}
else if (self.view.frame.origin.y < 0)
{
[self setViewMovedUp:NO];
}
}
-(void)keyboardWillHide {
if (self.view.frame.origin.y >= 0)
{
[self setViewMovedUp:YES];
}
else if (self.view.frame.origin.y < 0)
{
[self setViewMovedUp:NO];
}
}
-(void)setViewMovedUp:(BOOL)movedUp
{
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
CGRect rect = self.view.frame;
if (movedUp)
{
rect.origin.y -= kOFFSET_FOR_KEYBOARD;
rect.size.height += kOFFSET_FOR_KEYBOARD;
}
else
{
rect.origin.y += kOFFSET_FOR_KEYBOARD;
rect.size.height -= kOFFSET_FOR_KEYBOARD;
}
self.view.frame = rect;
[UIView commitAnimations];
}