I've seen some demos where UIPopoverController is used and would like to use it in my apps.
So does anyone have any good tutorials that you could link me?
Is it possible to use it in relation to UISegmentedControl where different popover windows are summoned when different segments are selected as a type of a switch view function?
Here are some tutorials:
iPad for iPhone Developers 101: UIPopoverController Tutorial
[iPad App Video] iPad App Tutorial – UIPopoverController
Segmented Popover:
Using a UISegmentedControl in the footer of UIPopoverController
Buttons inside of a Pop Over Controller on the iPad, no UISegmentUISegmentedControl used but looks like one
For popover in iPad we can use ActionSheetStringPicker, and for implementing it in your project you need to import ActionSheetStringPicker into your controller.
like - #imaport "ActionSheetStringPicker.h"
After importing this you have to create an array which has only string type value.
e.g.
NSArray *sourceArray=[[NSArray alloc]initWithObjects:#"Take Photo",#"Choose Photo", nil];
And last you have to implement below method.
[ActionSheetStringPicker showPickerWithTitle:#"Any title"
rows:sourceArray
initialSelection:yourInitialSelectionIntValue
doneBlock:^(ActionSheetStringPicker *picker, NSInteger selectedIndex, id selectedValue) {
NSLog(#" Index : %ld, value : %#",
(long)selectedIndex, selectedValue);
if ([selectedValue isEqualToString:#"Choose Photo"]) {
// open photo lib
[self youerMethdeOpenPhotoLib];
}
else
{
// open Camera
[self yourMethodOpenCamera];
}
}
cancelBlock:^(ActionSheetStringPicker *picker) {
NSLog(#"Select photo Cancel");
}origin:YourTapButtonObject];
Related
I need to use a UIPopOverController for my iPhone app ,i searched stackoverflow someone said UIPopoverController does not run on iphone iphone device WHY?.when i run on iphone device
i got this error reason: '-[UIPopoverController initWithContentViewController:]
called when not running under UIUserInterfaceIdiomPad.'
-(void)btnSetRemainderTapped:(UIButton *)button
{
setReminderView =[[SetRemainderView alloc]initWithNibName:#"SetRemainderView" bundle:[NSBundle mainBundle]];
setReminderView.contentSizeForViewInPopover = CGSizeMake(setReminderView.view.frame.size.width, setReminderView.view.frame.size.height);
setReminderView.delegate = self;
popOverController = [[UIPopoverController alloc]
initWithContentViewController:setReminderView] ;
CGRect rect = CGRectMake(self.view.frame.size.width/2, self.view.frame.size.height/2, 1, 1);
[popOverController presentPopoverFromRect:rect
inView:self.view
permittedArrowDirections:UIPopoverArrowDirectionAny
animated:YES];
}
can any one help me?
You CAN use popoverController in iPhone apps.
1. Create a category
// UIPopoverController+iPhone.h file
#interface UIPopoverController (iPhone)
+ (BOOL)_popoversDisabled;
#end
// UIPopoverController+iPhone.m file
#implementation UIPopoverController (iPhone)
+ (BOOL)_popoversDisabled {
return NO;
}
#end
2. Import it to your class and use popover in iPhone as usual.
But remember that this is private method and Apple can reject your app. But I know people who use this normally and Apple published their apps.
Edit: As stated by Soberman, since iOS 8 it is possible to present popovers on iPhone using public APIs, so this answer is probably not relevant anymore.
As stated in Apple's documentation on UIPopoverController:
Popover controllers are for use exclusively on iPad devices.
So there is no way to use this class in iPhone application unfortunately. But there are a couple of custom third-party implementations of the functionality provided by UIPopoverController which add iPhone support and more. See https://github.com/50pixels/FPPopover for example.
Edit: There also is another highly customizable popover implementation for both iPhone/iPad worth checking out: https://github.com/nicolaschengdev/WYPopoverController.
Since iOS8 we are now able to create popovers, that will be the same on iPhone, as on iPad, which would be especially awesome for those who make universal apps, thus no need to make separate views or code.
You can get the class as well as demo project here: https://github.com/soberman/ARSPopover
All you need to do is subclass UIViewController, conform to the UIPopoverPresentationControllerDelegate protocol and set desired modalPresentationStyle along with the delegate value:
// This is your CustomPopoverController.m
#interface CustomPopoverController () <UIPopoverPresentationControllerDelegate>
#end
#implementation CustomPopoverController.m
- (instancetype)init {
if (self = [super init]) {
self.modalPresentationStyle = UIModalPresentationPopover;
self.popoverPresentationController.delegate = self;
}
return self;
}
- (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController:(UIPresentationController *)controller {
return UIModalPresentationNone; //You have to specify this particular value in order to make it work on iPhone.
}
Afterwards, instantiate your newly created subclass in the method from which you want to show it and assign two more values to sourceView and sourceRect. It looks like this:
CustomPopoverController *popoverController = [[CustomPopoverController alloc] init];
popoverController.popoverPresentationController.sourceView = sourceView; //The view containing the anchor rectangle for the popover.
popoverController.popoverPresentationController.sourceRect = CGRectMake(384, 40, 0, 0); //The rectangle in the specified view in which to anchor the popover.
[self presentViewController:popoverController animated:YES completion:nil];
And there you have it, nice, neat blurred popover.
So #Sobermans answer didn't really solve the issue from start to finish for me so I want to detail how I got it done using the docs. That being said I do like the idea of using your own presentation controller subclass to manage all of the customisation you want to exhibit.
1. Create your controller to present
The first step is instantiating the controller you want to present:
let vc: UIViewController = ...
vc.modalPresentationStyle = .Popover
vc.preferredContentSize = CGSize(width: CGRectGetWidth(view.bounds)/2, height: 100)
Now we have a controller with the popover presentation style and an arbitrary content size.
2. Implement adaptivePresentationStyleForPresentationController
By default UIPopoverPresentationController will present on full screen on iPhone so to prevent this behaviour you need to force the adaptive presentation style to none.
First we set the delegate of the popover presentation controller
vc.popoverPresentationController.delegate = self;
Then we implement UIPopoverPresentationControllerDelegate
func adaptivePresentationStyleForPresentationController(controller: UIPresentationController) -> UIModalPresentationStyle {
return .None;
}
3. Present and configure popup
First we need to call presentViewController and only after that can we configure the popover:
presentViewController(vc, animated:true, completion:nil)
if let popover = vc.popoverPresentationController {
popover.permittedArrowDirections = .Right | .Left
popover.sourceView = button
popover.sourceRect = button.bounds
}
Use a custom popover controller, such as:
https://github.com/sammcewan/WYPopoverController
(this seems to be the best supported one that I have found).
I ended up creating my custom tooltip/popover class.
Can be initalised with any content view and dynamically adjusts it's frame.
Hope it helps.
https://github.com/akeara/AKETooltip
If you want to do it in Swift, I believe the code is the following:
extension UIPopoverController {
class var _popoversDisabled : Bool {
get { return false }
}
}
Edit: It is working in Xcode 6 beta 4 on iPhone with iOs7.1
This is a really interesting (and depressing) thread to read. I can't believe Apple prevents popup dialogs on iPhones, with absolutely no justification.
And, it's true, on iOS 8, if you try to work around this limitation, it'll make your popups appear as a full-screen modal dialog.
The following excellent webpage describes "How Apple Cheats" to let its own iBooks and iTunes apps break its own rules, and allow popups - but just from within their own iPhone apps.
HowAppleCheats
Have a read (warning: it'll make you hate Apple & XCode even more..)
Want to get around the "UIPopoverController called when not running under UIUserInterfaceIdiomPad" error on iOS 8 ?
Simple.
Just go into your .plist file, and change the Bundle ID to "com.apple.itunesu" to make XCode think that your app is actually iTunes.
Then your popup will work fine.
(Sigh.)
The alternative way of doing this is to directly add your UIViewController to your screen.
In this example, I wanted a "helper screen" to appear on top of my iPhone screen. It's a UIViewController, it is stored in it's own .xib file, and it has a few lines to add a pretty border:
- (void)viewDidLoad {
[super viewDidLoad];
// Give our popup a pretty curved border
self.view.layer.borderColor = [[UIColor blueColor] CGColor];
self.view.layer.borderWidth = 1.0;
self.view.layer.cornerRadius = 8;
}
To display it, I simply create an instance of this UIViewController, add it to my screen, then center it:
-(void)showHelperScreen
{
if (self.helperScreen == nil)
{
// Add the popup UIViewController to our screen
self.helperScreen = [[HelperViewController alloc] init];
[self.view addSubview:self.helperScreen.view];
}
// Center the popup in the middle of the screen
CGSize screenSize = [[UIScreen mainScreen] applicationFrame].size;
self.helperScreen.view.center = CGPointMake(screenSize.width/2, screenSize.height/2);
}
Of course, I also needed to add some code to make the popup disappear when the user taps outside of it, but this does at least show that you can (safely) display popups on an iPhone, even if your app isn't specifically called iTunes or iBook.
Voila.
Hope this helps, and if anyone needs me, I'll be back in my safe, happy place (Visual Studio, in other words).
I want from time to time (after the user does 3 steps ) to show an image .
I have a class for Image that contains an Uiimageview and diffrent methods (if i click opens an url etc )
I have the first class that contains an UiWindow and when i acces image i do window addSubview:myimageclass.view....and this is working
but I have more other classes that don t have window but tableview or mapview....I don t know how to add code in this classes . I shell show the image with add just from time to time ...how can i display it ?
i know android programming and on ios I am new , in android i put the image in separate activity and i was calling this and i set a sting and after i was returning to activity from string .
Thanks a lot ,
Raluca
You could keep your UIImageView as a property of appDelegate. Let's call it
imageView.
In didFinishLaunchingWithOptions: hide this imageView and add it to appDelegate.window like so:
[self.imageView setHidden:YES];
[self.window addSubview:imageView];
You can then define two methods of appDelegate:
-(void) showImage {
[self.imageView setHidden:NO];
[self.window bringSubviewToFront:self.imageView];
}
-(void) hideImage {
[self.imageView setHidden: YES];
}
and use this two methods when needed
I am developing an app for ios 5.
I need to remove the cancel button on UIImagePickerController i searched for this problem on the forum but didnt get exact answer can someone please help me with this?
That is because it is not possible to remove that cancel button. That is an inbuilt function and you can not make changes in the same.
Swift Version, compatible 4+
To remove the navigation bar :
imagePicker.view.subviews
.filter { $0.isKind(of: UINavigationBar) }
.forEach { $0.isHidden = true }
for removing the buttons only :
imagePicker.view.subviews
.filter { $0.isKind(of: UIButton) }
.forEach { $0.isHidden = true }
Voilà
I will give the best method to achieve this:
First create a subclass of the UiImagePickerController
in the subclass respond to the UINavigationBarDelegate method
- (BOOL)navigationBar:(UINavigationBar *)navigationBar
shouldPushItem:(UINavigationItem *)item
you dont have to do anything like setting the delegate or adding a protocol, just override the method inside your custom UIImagePcikerController.
in this method return NO for the cancel item (which is the first one)
I did this with ELCImagePickerController
There isn't a way to remove only the cancel button. UIImagePickerController exposes a property called showCameraControls, which will hide the bottom bar with the cancel button and the camera button, as well as the controls for flash, HDR, and flip camera, giving you just the camera preview.
If you want to provide an experience without a cancel button, you'll have to create a camera overlay view of what you want.
Assuming you have code invoking UIImagePickerController, you can turn off camera controls like this:
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
[imagePicker setShowsCameraControls:NO];
Assuming you'll overlay it with your own view without the cancel button, you'll add this (assuming you have a UIView called cameraOverlay:
[imagePicker setCameraOverlayView:cameraOverlay];
This will hide Navigationbar itself along with the Cancel and Title
let videoPicker = UIImagePickerController()
for view in videoPicker.view.subviews {
if let navBar = view as? UINavigationBar {
navBar.isHidden = true
}
}
If you want to remove the cancel button alone, dig deep into navBar
When you present the UIImagePickerView try puting the below code
for (UIView *subview in view.subviews) {
NSLog(#"subviews=%#",subview);
NSString *className = [NSString stringWithFormat:#"%#", [subview class]];
}
By the above code you can get the navigation controller used for displaying the cancel button.. Once you get the navigationController Set its leftside button to nil..
I have not used it but hope it can be of help to you
I am working on an iPhone app. Initially, I had my pickerview in the same screen so this was just a one page app. After skinning it i realized that i want the pickerview on it's own separate page. So i did that. However, my pickerview originally would update uilabels and other objects on that same page. How can I have my pickerview access those objects from it's new view?
- (IBAction)ShowPickerAction:(id)sender {
if (self.theView == nil) {
theView = [containerView initWithNibName:#"containerView" bundle:nil];
theView.parentView = self;
}
self.theView.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self presentModalViewController:self.theView animated:YES];
}
That is the method I am using to call my new view. But line 3 of the above code gives me the error "No known class name for selector initWithNibName:bundle". I think that error is related to something that i did wrong in my header file. My new class is called containerView. So i did this in my header:
#interface ViewController : UIViewController {
containerView *theView;
But that gives me the error "Unknown type name containerView" even though i do have a class named containerView!!
Look into uiappdelegate protocol or try passing values to through a static function to the previous page.
Use a delegate to pass information back and forth to the view object that instantiatrd the picker view. You want to keep your code coupling as loose as possible, especially if you might like to drop it into your next project. Using a delegate and/or blocks are some of the best ways.
Okay, here is my issue: My app has a display of categories in the tab bar at the bottom of the iPhoneOS screen. This only allows 5 categories before it presents the MORE button. I have over 25 (please do not answer this by saying: "Rethink your application...etc" -- that was rudely said before. They are food, drink, etc categories and cannot be changed). I want to allow the user to put their favorites on the home page. The Apple moreNavigationController editing system only allows 20 tab bar items to be rearranged due to space constraints on the editing page. This is not enough so i need to implement my own Editing screen. I set the rightBarButtonItem to nil and created my own. Using NSLog, i can see the "click" happens when clicking the EDIT button, but I cannot push using pushViewController. Nothing happens. I think it has something to do with the navigationController I am addressing...but i am not sure. ps: This all happens in my App Delegate which DOES act as both UITabBarControllerDelegate & UINavigationControllerDelegate.
I tried to do the following:
- ( void )navigationController:( UINavigationController * )navigationController_local willShowViewController:( UIViewController * )viewController_local animated:( BOOL )animated
{
UIViewController * currentController = navigationController_local.visibleViewController;
UIViewController * nextController = viewController_local;
// Do whatever here.
NSLog(#"Nav contoller willShowViewController fired\n'%#'\n'%#'\nThere are currently: %d views on the stack\n",currentController,nextController,[self.navigationController.viewControllers count]);
if ( [nextController isKindOfClass:NSClassFromString(#"UIMoreListController")])
{
UINavigationBar *morenavbar = navigationController_local.navigationBar;
UINavigationItem *morenavitem = morenavbar.topItem;
morenavitem.rightBarButtonItem = nil;
NSLog(#"Is a UIMoreListController\n");
UIBarButtonItem *editTabBarButton = [[UIBarButtonItem alloc]
initWithTitle:#"Edit"
style:UIBarButtonItemStylePlain
target:self
action:#selector(editTabBar:)];
morenavitem.rightBarButtonItem = editTabBarButton;
[editTabBarButton release];
}
}
This works to place an EDIT button at the top right of the screen -- mimicking Apple's look and feel... but when that button is clicked, you cannot exit the darn moreNavigationController.
I have tried many things. UIAlerts work, etc...but pushing (or popping -- even popping to root view) a view controller on the stack does not.
- (void) editTabBar:(id)sender {
NSLog(#"clicked edit tabbar\n");
NSLog(#"Total count of controllers: %d\n",[self.navigationController.viewControllers count]);
TabBarViewController *tabBarViewController2 = [[TabBarViewController alloc] initWithNibName:#"TabBarView" bundle:nil];
tabBarViewController2.navigationItem.title=#"Edit Tab Bar";
[self.navigationController pushViewController:tabBarViewController2 animated:YES];
[tabBarViewController2 release];
NSLog(#"finished edit tabbar\n");
}
If you click the edit button on the moreNavigationController's display page, you get the log entries like expected AND (this is strange) the views on the stack climbs -- but no page change occurs. I marked it down to not using the correct navigation controller...but I am lost on how to find which one TO use.
this is a weird one too. In the edit function if i just do this:
- (void) editTabBar:(id)sender {
self.tabBarController.selectedIndex = 0;
}
It DOES take me home (to tabbarcontroller 0)
BUT doing this:
- (void) editTabBar:(id)sender {
[self.navigationController popToRootViewControllerAnimated:YES];
}
does not work.
Does the moreNavigationController have some special quality that screws with the rest of the system?
I would try reimplementing the whole "More" functionality from scratch. In other words, store the four home tabs in your user defaults and add a dummy fifth tab that switches to your own complete reimplementation of the more view controller stack.
You could even write a lightweight subclass of UITabBarController that handled this for you.
UITabBarController is evil, so I wouldn't be at all surprised if MoreController had some special properties, too.
I have had success intercepting the More Controller in shouldSelectViewController to change the data source; you may be able to find some workaround there.
PS I am inclined to agree that you could consider redesigning your app so that you didn't need an unlimited number of viewControllers attached to the tab bar just to select categories; you might have better luck using a tool bar with a single, scrollable, custom view in it. If that's really the best way of picking categories for your app, of course.