I need to support Landscape and Portrait orientation for my app, and I venture into using a single UIView.
When I first simulate the application, it displays the result without a problem. However, when I change orientation to landscape, the problem occurs.
The first time I run the application in portrait:
When I change the orientation to landscape:
Notice the lower left corner, near the Information tab.
When I change back the orientation to portrait:
It gets worse.
The code I am using,
- (void)updateLayoutForNewOrientation:(UIInterfaceOrientation)toInterfaceOrientation
{
CGFloat height = CGRectGetHeight([[UIScreen mainScreen] bounds]);
CGFloat width = CGRectGetWidth([[UIScreen mainScreen] bounds]);
if (UIInterfaceOrientationIsPortrait(toInterfaceOrientation)) {
NSLog(#"Portrait");
[self iPhoneUserInterfacePortrait:width height:height];
}
else if (UIInterfaceOrientationIsLandscape(toInterfaceOrientation)) {
NSLog(#"Landscape");
[self iPhoneUserInterfaceLandscape:width height:height];
}
}
- (void)iPhoneUserInterfacePortrait:(CGFloat)width height:(CGFloat)height
{
UITextView *descriptionTextView = [[UITextView alloc] initWithFrame:CGRectMake(0.0, 0.0, width - 100.0, height - 300.0)];
[self makeBorder:descriptionTextView];
[self setInformation:descriptionTextView];
[self.view addSubview:descriptionTextView];
}
- (void)iPhoneUserInterfaceLandscape:(CGFloat)width height:(CGFloat)height
{
UITextView *descriptionTextView = [[UITextView alloc] initWithFrame:CGRectMake(0.0, 0.0, width + 230, height - 368.0)];
[self makeBorder:descriptionTextView];
[self setInformation:descriptionTextView];
[self.view addSubview:descriptionTextView];
}
- (void)makeBorder:(UITextView *)descriptionTextView
{
descriptionTextView.layer.borderWidth = 3.0;
descriptionTextView.layer.cornerRadius = 15.0;
descriptionTextView.layer.borderColor = [[UIColor grayColor] CGColor];
[self.view addSubview:descriptionTextView];
}
You're adding several views while you want just one.
[self.view addSubview:descriptionTextView];
To get rid of this line, you could add field descriptionTextView to your ViewController subclass and change frame of that text view without adding/removing it from self.view.
Also you should try to play with AutoResizing masks to see if you can get needed results without actually changing frame manually.
And you should be careful with that constants: try your app on both 3.5 and 4.0 inch simulator devices.
I am trying to place a UITabBar at the top of the screen in my App below the UINavigationBar. I have the UITabBar positioned correctly but the view in which the tab's content is to be show is being set to the same origin as the TabBar. The code I am using is as follows:
tabC = [[UITabBarController alloc]init];
tabC.tabBar.frame = CGRectMake(0, 0, 320, 40);
NSArray *arr = [[NSArray alloc]initWithObjects:[[UIViewController alloc] init], [[HomeTabViewController alloc] init], nil];
tabC.viewControllers = arr;
[tabC.view setBackgroundColor:[UIColor whiteColor]];
// CGRect viewFrame = tabC.view.frame;
// viewFrame.origin.y = 40;
// tabC.view.frame = viewFrame;
[_topLayer addSubview:tabC.view];
If I try to use the code in the comments to try and change the origin then the whole thing moves down as can be seen in the images below:
Without the commented code:
With the commented code changing the origin:
How can I change the Y-axis origin for the View part of a UITabBarController?
Have you tried setting frame using below code?
tabC.inputView.frame = viewFrame;
Consider a view that has to aligned to the bottom of the screen and whose width must fill the screen.
Additionally, the height of the view depends of the orientation. In portrait orientation the height of the view must be 200px and in landscape the height must be 100px.
What is the best way to do this without assuming anything about the parent view size (ie: don't know if it has status bar or not, maybe there's a tab bar, etc.)?
This is my current code, that doesn't work:
- (void)viewDidLoad
{
[super viewDidLoad];
myView = [[UIView alloc] init];
CGSize myViewSize = CGSizeMake(self.view.frame.size.width, 200);
// Align bottom
float myViewY = self.view.frame.origin.y + self.view.frame.size.height - myViewSize.height;
myView.frame = CGRectMake(0, myViewY, myViewSize.width, myViewSize.height);
myView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin;
myView.backgroundColor = [UIColor redColor];
[self.view addSubview:myView];
}
- (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
[super willAnimateRotationToInterfaceOrientation:toInterfaceOrientation duration:duration];
BOOL landscape = UIInterfaceOrientationIsLandscape(toInterfaceOrientation);
myView.frame = CGRectMake(myView.frame.origin.x, myView.frame.origin.y, myView.frame.size.width, landscape ? 100 : 200);
}
Try using UIWindow object as given below:
[[UIApplication sharedApplication] keyWindow].screen.applicationFrame.size.height
Apple documentation for applicationFrame reads as below:
This property contains the screen bounds minus the area occupied by the status bar, if it is visible. Using this property is the recommended way to retrieve your application’s initial window size. The rectangle is specified in points
I am trying to display a modal view controller as a UIPresentationFormSheet. The view appears, but I can't seem to resize it. My XIB has the proper height & width, but it seems to get overridden when I call it like this:
composeTweetController = [[ComposeTweet alloc] initWithNibName:#"ComposeTweet" bundle:nil];
composeTweetController.modalPresentationStyle = UIModalPresentationFormSheet;
[self presentModalViewController:composeTweetController animated:TRUE];
Any thoughts? I am using the iPhone SDK 3.2 beta 4
You are able to adjust the frame of a modal view after presenting it:
Tested in iOS 5.1 - 7.1
MyModalViewController *targetController = [[[MyModalViewController alloc] init] autorelease];
targetController.modalPresentationStyle = UIModalPresentationFormSheet;
targetController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; //transition shouldn't matter
[self presentViewController:targetController animated:YES completion:nil];
if(floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_6_1){
targetController.view.superview.frame = CGRectInset(targetController.view.superview.frame, 100, 50);
}else{
targetController.view.frame = CGRectInset(targetController.view.frame, 100, 50);
targetController.view.superview.backgroundColor = [UIColor clearColor];
}
Here's a method that works on iOS7 as well as iOS5 and iOS6: (arc)
-(void)presentController:(UIViewController*)controller fromRootController:(UIViewController*)rootController withSize:(CGSize)size
{
UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:controller];
nav.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
nav.modalPresentationStyle = UIModalPresentationFormSheet;
[rootController presentModalViewController:nav animated:YES];
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)
{
nav.view.superview.backgroundColor = [UIColor clearColor];
nav.view.bounds = CGRectMake(0, 0, size.width, size.height);
}
else
{
nav.view.superview.bounds = CGRectMake(0, 0, size.width, size.height);
}
}
composeTweetController = [[ComposeTweet alloc] initWithNibName:#"ComposeTweet" bundle:nil];
composeTweetController.modalPresentationStyle = UIModalPresentationFormSheet;
[self presentModalViewController:composeTweetController animated:TRUE];
//if you want to change its size but the view will remain centerd on the screen in both portrait and landscape then:
composeTweetViewController.view.superview.bounds = CGRectMake(0, 0, 320, 480);
//or if you want to change it's position also, then:
composeTweetViewController.view.superview.frame = CGRectMake(0, 0, 320, 480);
As of iOS7 you can simply do
composeTweetController.preferredContentSize = CGSizeMake(380.0, 550.0);
Tested and works for iOS 6, using XCode 4.5
I stumbled upon my answer after reading much of the tips on here:
In the viewWillAppear:(BOOL)animated method:
[super viewWillAppear:animated];
//resize modal view
self.view.superview.bounds = CGRectMake(0, 0, 432, 680);
In the viewDidAppear:(BOOL)animated method:
CGPoint centerPoint = CGPointMake([[UIScreen mainScreen] bounds].size.width/2, [[UIScreen mainScreen] bounds].size.height/2);
self.view.superview.center = centerPoint;
I tried to add the centering code in the same place as the resizing code, but that did not work. For some reason, it only works after the view has appeared on the screen.
I surmise that it has something to do with the way that UIModalPresentationFormSheet works, because when I was stepping through in the LLDB debugger, I noticed that there was a variable _formSheetSize that was still {540, 620}. Go figure.
This will work with any UIModalTransitionStyle
#interface BaseDialog ()
#property(nonatomic,assign) CGRect origFrame;
#end
#implementation BaseDialog
-(void)viewDidLoad{
[super viewDidLoad];
self.origFrame=self.view.frame;
}
-(CGSize)formSheetSize{
return self.origFrame.size;
}
Following first code is how to present your model view controller
composeTweetController = [[ComposeTweet alloc] initWithNibName:#"ComposeTweet" bundle:nil];
composeTweetController.modalPresentationStyle = UIModalPresentationFormSheet;
UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:composeTweetController];
navigationController.delegate = self;
[self presentModalViewController:navigationController animated:YES];
And In your ComposeTweet controller class
-(void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
self.navigationController.view.superview.frame = CGRectMake(0, 0,500,400);
}
iOS 7
So the approach of setting the superview's frame or bounds doesn't work anymore on iOS 7 (for UIModalTransitionStyleCoverVertical). You can, however, now set the background color of the superview to clear and then change the frame of the modal view controller how you see fit.
So in iOS 7 you will want to:
present the view controller (presentation mode: UIModalPresentationFormSheet)
set view controller superview background color to clear
change frame of view controller as desired (perhaps making it smaller and then centering it in superview)
I got a full screen modal view from UIPresentationFormSheet with just this line:
modalViewController.view.superview.bounds = CGRectMake(0, 0, 1024, 748);
#bdrobert sadly your nice solution does not work anymore on iOS6 - the container keeps the original size even though the new viewcontroller is embedded with the custom size.
You probably need to use the containment API introduced in iOS5, but you need to add a dimmed background on your own, fetching all touch events for that area.
On change of orientation, this code work perfect....
settingViewController.modalPresentationStyle = UIModalPresentationFormSheet;
[self presentViewController:settingViewController animated:YES completion:nil];
settingViewController.view.superview.frame = CGRectMake(0, 0, 700, 700);
UIInterfaceOrientation currentOrientation = [self getDeviceOrientation];
if(currentOrientation == UIInterfaceOrientationPortrait || currentOrientation == UIInterfaceOrientationPortraitUpsideDown)
{
CGPoint centerPoint = CGPointMake([[UIScreen mainScreen] bounds].size.width/2, [[UIScreen mainScreen] bounds].size.height/2);
settingViewController.view.superview.center = centerPoint;
}
else
{
CGPoint centerPoint = CGPointMake([[UIScreen mainScreen] bounds].size.height/2, [[UIScreen mainScreen] bounds].size.width/2);
settingViewController.view.superview.center = centerPoint;
}
The modern ios13 way:
use popover (formsheet and page ignore preferredContentSize)
then set or override preferredContentSize aka Ed Pilowat & Co
The view size is fixed. You will have to implement things yourself if you want something different.
I have a UIViewController subclass to control a UIView that I want to add to a UIScrollView. I only want the view to be 100px high, but when I add it to the scroll view it gets made 460px high, ignoring the frame size I set:
MyViewController *vc = [[MyViewController alloc] init];
vc.view.frame = CGRectMake(0, 0, 320, 100);
myScrollView.autoresizesSubviews = NO
[myScrollView addSubview:vc.view];
[vc release];
I have set the scroll view to not autoresize subviews but it seems this is still happening! What can I do?
I have also tried setting the frame size inside loadView: in the UIViewController (which is where I will add all my controls and will need access to the size of the view) but that doesnt work either!
- (void)loadView {
[super loadView];
self.view.backgroundColor = [UIColor redColor];
self.view.frame = CGRectMake(0, 0, 320, 100); // still doesnt work
}
Any help would be greatly appreciated!
You are using loadView incorrectly, im even suprised you see a view (you shouldnt since in load view you arent assigns the vc view to anything), in loadView you must assign your view to a new UIView i nstance, anyway, you should be doing the same but in viewDidLoad instead of load view, that might work for you
Here is a snippet of how I do it. Note that the origin is with respect to the view you are adding to (in my case 'self').
appRect.origin=CGPointMake(0.0, 0.0);// origin
appRect.size = CGSizeMake(320.0f, 100.0f); //size
CGRect frame = CGRectInset(appRect, 0.0f, 0.0f);
gv=[[GraphicsView alloc] initWithFrame:appRect object:[model me]];
[gv setFrame:frame];
[self.view addSubview:gv];
[gv release];