I have a method that I want to get called when the user clicks on a button in the navigation bar. If I add the button like this then my method gets called:
UIBarButtonItem *editButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:#"myEditButton"]
style:UIBarButtonItemStyleBordered
target:self
action: #selector(enterEditMode:)];
editButton.title = #"Edit";
[self.navigationItem setRightBarButtonItem:editButton animated:YES];
When the user clicks on the button then my enterEditMode: method gets called.
However using this code the result looks like as in the attachment - there's no text but worse my image is lying on top of a blue button. I can't use the standard system edit button because there is a requirement for it to be colored black not blue and AFAIA I'm unable to change the color of the standard edit bar button to black?
So in a xib I created a parent UIView which contains a UIImageView which is the button image and a UILabel for the text.
Then I create the button item like this:
UIBarButtonItem *editButton = [[UIBarButtonItem alloc] initWithCustomView:self.editButtonParentView];
[editButton setTarget:self];
[editButton setAction: #selector(enterEditMode:)];
editButton.style = UIBarButtonItemStyleBordered;
editButton.target = self;
self.editButtonLabel.text = #"Edit"
[self.navigationItem setRightBarButtonItem:editButton animated:YES];
Where editButtonParentView is an IBOutlet to the partent view in the nib.
This displays perfectly, however the problem is that enterEditMode: does not get called when the user clicks on it.
Why does it not get called?
Thanks
This link is where I found out how you can get the same look as the system 'Edit' button but get any background color you want. Try this code:
// From:
#import "UIBarButtomItem+Tinted.h"
#implementation UIBarButtonItem (Tinted)
+ (UIBarButtonItem *)newBarButtonItemWithTint:(UIColor*)color andTitle:(NSString*)itemTitle andTarget:(id)theTarget andSelector:(SEL)selector
{
UISegmentedControl *button = [[UISegmentedControl alloc] initWithItems:#[itemTitle]];
button.momentary = YES;
button.segmentedControlStyle = UISegmentedControlStyleBar;
button.tintColor = color;
[button addTarget:theTarget action:selector forControlEvents:UIControlEventValueChanged];
return [[UIBarButtonItem alloc] initWithCustomView:button];
}
#end
Related
problem
I cannot for the life of me get it to show.
Here's the implementation of the nav bar
_navBar = [[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 50)];
[_navBar setDelegate:self];
[self.view addSubview:_navBar];
_navBar is a UINavigationBar property.
Here's where I add the button.
UIBarButtonItem *button = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd
target:self
action:#selector(flipView:)];
self.navigationItem.rightBarButtonItem = button;
However, nothing shows. Any help?
self.navigationItem is read automatically by a parent UINavigationController. But you don't have one.
Thus, you have two choices:
Instead of a loose nav bar that you create and put into the interface yourself (as you are doing in your first code), be the child of a UINavigationController. Now setting self.navigationItem will work.
Or, create a navigation item, configure it, and push it manually onto your loose nav bar. Your code will then have this structure:
UINavigationItem* ni = [[UINavigationItem alloc] initWithTitle:// ...];
UIBarButtonItem* b = // ...;
ni.rightBarButtonItem = b;
_navbar.items = #[ni];
i got this problem only in IOS 7 and before i have read question on Stack overflow but could not find the one.
i have buttons in my APP (UISegmented) like back button text is Back, but suddenly middle of operation or when another view load on top of view, bottom view back button will show text as Ba.. also other buttons will change in text with dots in it…
NSArray *itemArray = [NSArray arrayWithObjects: #"Back", nil];
UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:itemArray];
segmentedControl.frame = CGRectMake(0, 0, 60, 28);
segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;
[segmentedControl setTintColor:[UIColor colorWithRed:19.0/255.0 green:62.0/255.0 blue:137.0/255.0 alpha:1]];
[segmentedControl addTarget:self
action:#selector(handleBackButton:)
forControlEvents:UIControlEventValueChanged];
UIBarButtonItem *segmentBarItemLeft = [[UIBarButtonItem alloc] initWithCustomView:segmentedControl];
i had came across similar question here but at present could not find the same.
Basically the problem is in your code segment control button name is not setting properly. So should try for setting the button title using below api:-
- (void)setTitle:(NSString *)title
forSegmentAtIndex:(NSUInteger)segment
I'm using this code to insert an UIActivityIndicatorView to my toolbar
-(void)addActivityIndicatorToToolbar {
UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];
activityIndicator.userInteractionEnabled = YES;
activityIndicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhite;
[activityIndicator startAnimating];
UIBarButtonItem *barButton = [[UIBarButtonItem alloc] initWithCustomView:activityIndicator];
barButton.target = self;
barButton.action = #selector(playButtonPressed:);
NSMutableArray *toolbarItemsMutable = [self.toolbar.items mutableCopy];
[toolbarItemsMutable replaceObjectAtIndex:0 withObject:barButton];
self.toolbar.items = toolbarItemsMutable;
}
However, when I tap the UIActivityIndicatorView the action (playButtonPressed) is not performed.
How can I correct this?
It seems more likely that you want a button with an activity indicator inside it. You can do this by creating a button with a custom view as described in this post. Then you can set the action of this button as normal, and you'll probably want to retain a reference to the activity indicator to start and stop it.
I ended up implementing a poor man's solution by adding an extra view on top of the activityIndicatorView with a gestureRecognizer.
This is a quite old question but why don't you directly add a UITapGestureRecognizer instance to your UIActivityIndicatorView instance ? (works fine on iOS 8.2, I didn't test yet on previous versions).
I'm using PhoneGap 1.3 and am trying to create an iOS add button on the right side of my toolbar; however, the createToolBarItem method does not have any option to set the position of the item. How can I do this? Here is a snippet of code from NativeControls.h:
//create the toolbar in `createToolBar` method://
toolBar = [[UIToolbar alloc] initWithFrame:toolBarBounds];
//....set some toolbar options like .hidden, .barStyle, etc.//
[toolBar setFrame:toolBarBounds];
[self.webView setFrame:webViewBounds];
//add the toolbar to the webview
[self.webView.superview addSubView:toolBar];
//create the button item in `createToolBarItem` method:
item = [[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemAdd target:self action:#selector(toolBarButtonTapped:)];
[toolBarItems insertObject:item atIndex:[tagId intValue]];
[item release];
//then in `showToolBar` method//
[toolBar setItems:toolBarItems animated:NO];
You probably found out by now, but you have to add a UIBarButtonSystemItemFlexibleSpace to the left of your button to have it right-aligned.
In Phonegap, from JS do:
nativeControls.createToolBarItem("spacer", "", "UIBarButtonSystemItemFlexibleSpace", "");
I am trying to achieve this type of effect where a barbutton is pressed and uikeyboard pops up and right above it brings a uitextfield with it. Please see image attached. Can someone point me to the right about how I can do this?
Thanks.
Use UIToolbar or UIActionSheet
Setup a textField as an inputAccessoryView for the keyboard.
UIToolbar* keyboardDoneButtonView = [[UIToolbar alloc] init];
keyboardDoneButtonView.barStyle = UIBarStyleBlack;
keyboardDoneButtonView.translucent = YES;
keyboardDoneButtonView.tintColor = nil;
[keyboardDoneButtonView sizeToFit];
UITextField *textField = [[UITextField alloc]initWithFrame:CGRectMake(30, 10, 260, 30)];
[keyboardDoneButtonView setItems:[NSArray arrayWithObjects:textField, nil]];
masterTextField.inputAccessoryView = keyboardDoneButtonView;
// where masterTextField is the textField is the one you tap, and the keyboard rises up along with the small textField.
masterTextField.returnKeyType = UIReturnKeyDone;
[masterTextField setKeyboardType:UIKeyboardTypeDefault];
update:
For a button, put the above code in the (IBAction) of the button.
And instead of masterTextField, create a UIView and add it as a SubView to your view.