Skip to content

Instantly share code, notes, and snippets.

@matt-curtis
Last active December 31, 2020 14:29
Show Gist options
  • Save matt-curtis/28461ec559d495101be8 to your computer and use it in GitHub Desktop.
Save matt-curtis/28461ec559d495101be8 to your computer and use it in GitHub Desktop.
Done Button for UIKeyboard NumberPad (must be set as inputAccessoryView)
#import <UIKit/UIKit.h>
@interface NumberPadDoneBtn : UIView
@end
@interface NumberPadButton : UIButton
@end
#import "NumberPadDoneBtn.h"
@implementation NumberPadDoneBtn {
NumberPadButton *doneBtn;
}
#pragma mark -
#pragma mark Initialization/Deallocation
- (id) initWithFrame:(CGRect)frame {
self = [super initWithFrame:CGRectMake(0, 0, 1, 1)];
if(!self) return self;
self.clipsToBounds = false;
// Create UIButton
doneBtn = [NumberPadButton new];
doneBtn.titleLabel.font = [UIFont fontWithName:@"HelveticaNeue" size:16.0f];
[doneBtn setTitle:@"DONE" forState:UIControlStateNormal];
[doneBtn addTarget:self action:@selector(stopEditing) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:doneBtn];
// Register for UIKeyboard frame changes...
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardFrameChanged:) name:UIKeyboardWillChangeFrameNotification object:nil];
return self;
}
- (void) dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
#pragma mark -
#pragma mark View Layouting
- (void) keyboardFrameChanged:(NSNotification*)notification {
// Calc View Height
float height; float width;
if(UIInterfaceOrientationIsPortrait([UIApplication sharedApplication].statusBarOrientation)){
width = CGRectGetWidth([UIScreen mainScreen].bounds);
height = CGRectGetHeight([notification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]);
} else {
width = CGRectGetHeight([UIScreen mainScreen].bounds);
height = CGRectGetWidth([notification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]);
}
// Calc Button Frame
// @Byte - ಠ_ಠ
float btnHeight = height/4; // Four Rows
float btnWidth = (width/3)-2; // Three Columns - 2px to account for lines
doneBtn.frame = CGRectMake(0, (height-btnHeight)+1, btnWidth, btnHeight);
// Set Button Text Color to adapt to keyboard type..
if([self findFirstResponderIn:nil].keyboardAppearance == UIKeyboardAppearanceDark){
doneBtn.tintColor = [UIColor colorWithRed:97/255.0f green:97/255.0f blue:97/255.0f alpha:1.0f];
[doneBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
} else {
doneBtn.tintColor = [UIColor whiteColor];
[doneBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
}
}
- (BOOL) pointInside:(CGPoint)point withEvent:(UIEvent *)event {
if(CGRectContainsPoint(doneBtn.frame, point)){
return true;
// Normally a touch wouldn't register on the UIButton, as it's not in frame/bounds. This fixes that.
}
return [super pointInside:point withEvent:event];
}
#pragma mark -
#pragma mark Responder Management/Retreival
- (UIView<UITextInputTraits>*) findFirstResponderIn:(UIView*)view {
if(view == nil) view = [self currentWindow];
UIView<UITextInputTraits> *firstResponder;
for (UIView *iView in view.subviews){
if([iView isFirstResponder]){
return firstResponder = (UIView<UITextInputTraits>*)iView;
} else if(!firstResponder && iView.subviews.count > 0){
firstResponder = [self findFirstResponderIn:iView];
}
}
return firstResponder;
}
- (UIWindow*) currentWindow {
NSArray *windows = [UIApplication sharedApplication].windows;
for(UIWindow *window in windows){
if(!window.hidden && window.isKeyWindow) return window;
}
return nil;
}
- (void) stopEditing {
[[self findFirstResponderIn:nil] resignFirstResponder];
}
@end
@implementation NumberPadButton
- (void) setHighlighted:(BOOL)highlighted {
if (highlighted){
self.backgroundColor = self.tintColor;
} else {
self.backgroundColor = [UIColor clearColor];
}
}
@end
@pedroroliveira
Copy link

Not working on iOS 8.3

@ashispoddar
Copy link

Yes. Looks like a problem . Any fixes ?

@xcodebuild
Copy link

Won't work when use third-party input method

@xcodebuild
Copy link

On iOS 8.3,it displays great but can't touch.

@matt-curtis
Copy link
Author

Hello everyone - I wouldn't really recommend using this solution because it's unstable, but I'll look into getting this working. The best alternative is likely using a UIWindow, or manipulating pointInside:/hitTest.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment