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POiOS dismiss model view form custom keyboard with input view
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copied!<p>i have a navigation controller that present a modal view with textview </p> <p>i have also setting a custom input view (custom keyboard with number buttons and enter button) </p> <p>for that textview</p> <p>the number's buttons work fine but the enter button not working ( i went to dismiss the modal view with enter button)</p> <p>am using a delegate to do this but the delegate is always nil</p> <pre><code>inputView.h typedef enum ActionTag { ActionEnter = 0, ActionDivide, ActionMultiply, ActionSubtract, ActionAdd } ActionTag; @protocol InputViewDelegate <NSObject,UIInputViewAudioFeedback> - (void)dismissv:(ActionTag)tag; @end @interface InputView : UITextView { UIView *inputView; id <InputViewDelegate> ivDelegate; } @property (nonatomic,weak) id <InputViewDelegate> delegate; - (IBAction)takeInputFromTitle:(id)sender; - (IBAction)doDelete:(id)sender; - (IBAction)doTaggedAction:(id)sender; @end inputView.m #import "InputView.h" @implementation InputView - (BOOL) enableInputClicksWhenVisible { return YES; } - (id)initWithFrame:(CGRect)frame { self = [super initWithFrame:frame]; if (self) { // Initialization code } return self; } - (UIView *)inputView { if (!inputView) { NSArray *objects = [[NSBundle mainBundle] loadNibNamed:@"CKeybroad" owner:self options:nil]; NSLog(@"loaded objects from nib: %@", objects); inputView = [objects objectAtIndex:0]; } return inputView; } - (IBAction)takeInputFromTitle:(id)sender { //[[UIDevice currentDevice] playInputClick]; self.text = [self.text stringByReplacingCharactersInRange:self.selectedRange withString:((UIButton *)sender).currentTitle]; // amount=self.text; } - (IBAction)doDelete:(id)sender { NSRange r = self.selectedRange; if (r.length > 0) { // the user has highlighted some text, fall through to delete it } else { // there's just an insertion point if (r.location == 0) { // cursor is at the beginning, forget about it. return; } else { r.location -= 1; r.length = 1; } } // self.text = [self.text stringByReplacingCharactersInRange:r withString:@""]; self.text=@""; r.length = 0; self.selectedRange = r; } - (IBAction)doTaggedAction:(id)sender { ActionTag tag = [sender tag]; [ivDelegate dismissv:tag]; } /* // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect { // Drawing code } */ @end cashView.h import <UIKit/UIKit.h> #import "InputView.h" @protocol ModalViewControllerDelegate <NSObject> - (void)didDismissModalView; @end @interface cash_view : UIViewController <InputViewDelegate> { id <ModalViewControllerDelegate> delegate; UINavigationBar *navigationBar; IBOutlet InputView *inputView; IBOutlet UILabel *amount; } @property (nonatomic, retain) IBOutlet UINavigationBar *navigationBar; @property (nonatomic,retain) IBOutlet UILabel *amount; @property (nonatomic, retain) id <ModalViewControllerDelegate> delegate; - (void)closeModalViewController; -(IBAction)changelabel:(id)sender; -(IBAction)dismissView:(id)sender; @end cashView.m #import "cash_view.h" @implementation cash_view @synthesize navigationBar; @synthesize amount; @synthesize delegate; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { self.title = @"Cash Due"; } return self; } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { [super viewDidLoad]; [inputView becomeFirstResponder]; inputView.delegate=self; amount.text=@"00.00"; // Do any additional setup after loading the view from its nib. [self.navigationBar setItems:[NSArray arrayWithObject:self.navigationItem]]; UIBarButtonItem * closeButton = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonSystemItemCancel target:self action:@selector(closeModalViewController)]; self.navigationItem.rightBarButtonItem = closeButton; navigationBar.barStyle = UIBarStyleBlack; } - (void)closeModalViewController { [self dismissModalViewControllerAnimated:YES]; } - (void)viewDidUnload { [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return YES; } - (void)doEnter { [self dismissModalViewControllerAnimated:YES]; } - (void)textViewDidChange:(UITextView *)textView { int length=inputView.text.length; if(length==0) amount.text=@"0,00"; else amount.text=inputView.text; } - (void) doArithmetic { // inputView.text = [decimalFormatter stringFromNumber:result]; //inputView.text=@"1"; self.amount.text=@"1"; } -(IBAction)changelabel:(id)sender{ // [self dismissModalViewControllerAnimated:YES]; [delegate didDismissModalView]; } - (void)doDecimalArithmetic:(SEL)method { } #pragma mark InputViewDelegate - (void)dismissv:(ActionTag)tag { switch (tag) { case ActionEnter: [self doEnter]; break; case ActionDivide: [self doDecimalArithmetic:@selector(decimalNumberByDividingBy:)]; break; case ActionMultiply: [self doDecimalArithmetic:@selector(decimalNumberByMultiplyingBy:)]; break; case ActionSubtract: [self doDecimalArithmetic:@selector(decimalNumberBySubtracting:)]; break; case ActionAdd: [self doDecimalArithmetic:@selector(decimalNumberByAdding:)]; break; default: break; } } // Done button clicked - (IBAction)dismissView:(id)sender { // Call the delegate to dismiss the modal view [delegate didDismissModalView]; } @end </code></pre>

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