iPhoneの番号パッドキーボードのみに[完了]ボタンを追加する
https://stackoverflow.com/questions/4360140
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08-10-2019 - |
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下のこの便利なコードを使用して、番号パッドに完成ボタンを正常に追加しています。しかし、MFMailComposeViewControllerを起動するメールボタンがあります。 [完了]ボタンが電子メールキーボードに表示されないことを確認するにはどうすればよいですか？
//
// UIViewController+NumPadReturn.m
// iGenerateRandomNumbers
//
// Created by on 12/4/10.
// Copyright 2010 __MyCompanyName__. All rights reserved.
//
#import "UIViewController+NumPadReturn.h"
@implementation UIViewController (NumPadReturn)
-(void) viewDidLoad{
// add observer for the respective notifications (depending on the os version)
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.2) {
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardDidShow:)
name:UIKeyboardDidShowNotification
object:nil];
} else {
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillShow:)
name:UIKeyboardWillShowNotification
object:nil];
}
}
- (void)keyboardWillShow:(NSNotification *)note {
// if clause is just an additional precaution, you could also dismiss it
if ([[[UIDevice currentDevice] systemVersion] floatValue] < 3.2) {
[self addButtonToKeyboard];
}
}
- (void)keyboardDidShow:(NSNotification *)note {
// if clause is just an additional precaution, you could also dismiss it
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.2) {
[self addButtonToKeyboard];
}
}
- (void)addButtonToKeyboard {
// create custom button
UIButton *doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
doneButton.frame = CGRectMake(0, 163, 106, 53);
doneButton.adjustsImageWhenHighlighted = NO;
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.0) {
[doneButton setImage:[UIImage imageNamed:@"DoneUp3.png"] forState:UIControlStateNormal];
[doneButton setImage:[UIImage imageNamed:@"DoneDown3.png"] forState:UIControlStateHighlighted];
} else {
[doneButton setImage:[UIImage imageNamed:@"DoneUp.png"] forState:UIControlStateNormal];
[doneButton setImage:[UIImage imageNamed:@"DoneDown.png"] forState:UIControlStateHighlighted];
}
[doneButton addTarget:self action:@selector(doneButton:) forControlEvents:UIControlEventTouchUpInside];
// locate keyboard view
UIWindow* tempWindow = [[[UIApplication sharedApplication] windows] objectAtIndex:1];
UIView* keyboard;
for(int i=0; i<[tempWindow.subviews count]; i++) {
keyboard = [tempWindow.subviews objectAtIndex:i];
// keyboard found, add the button
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.2) {
if([[keyboard description] hasPrefix:@"<UIPeripheralHost"] == YES)
[keyboard addSubview:doneButton];
} else {
if([[keyboard description] hasPrefix:@"<UIKeyboard"] == YES)
[keyboard addSubview:doneButton];
}
}
}
- (void)doneButton:(id)sender {
NSLog(@"doneButton");
[self.view endEditing:TRUE];
}
@end
uiviewcontrollerを拡張しようとしているので、このサブクラスをインポートするときにこれを自動的に行います。そのため、アプリケーションのブールフラグはおそらく機能しません。
解決
iOS 3.2+の場合、とにかくこのハックをもう使用しないでください。代わりに、カスタムビューをコントロールに割り当てます inputAccessoryView 財産。
他のヒント
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.2) {
UIButton *myDoneButton = [self GetKeyboardDoneButton];
myMinText.inputAccessoryView = myDoneButton;
myMaxText.inputAccessoryView = myDoneButton;
}
- (UIButton *)GetKeyboardDoneButton {
// create custom button
UIButton *doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
doneButton.frame = CGRectMake(-100, 163, 106, 53);
doneButton.adjustsImageWhenHighlighted = NO;
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.0) {
[doneButton setImage:[UIImage imageNamed:@"DoneUp3.png"] forState:UIControlStateNormal];
[doneButton setImage:[UIImage imageNamed:@"DoneDown3.png"] forState:UIControlStateHighlighted];
} else {
[doneButton setImage:[UIImage imageNamed:@"DoneUp.png"] forState:UIControlStateNormal];
[doneButton setImage:[UIImage imageNamed:@"DoneDown.png"] forState:UIControlStateHighlighted];
}
[doneButton addTarget:self action:@selector(doneButton:) forControlEvents:UIControlEventTouchUpInside];
return doneButton;
}
- (void)doneButton:(id)sender {
NSLog(@"doneButton");
[self.view endEditing:TRUE];
}
私はこれをしばらく遊んでいて、これや他のいくつかのスレッドからたくさんのアイデアを取りました。最終的には、数値キーボードの問題を処理するUiviewControllerのサブクラスを作成しましたが、UableViewControllerから継承してこれを実装する必要があるため、十分に一般的ではないと判断しました。そこで、私はそれをリファクタリングし、すべての作業を行い、実装がかなり簡単なヘルパークラスを作成しました。だからここに私が終わったものがあります。 .hファイルには、使用するuiviewcontrollerクラスにこれを実装するために必要な手順があります。
私が理解できない唯一のことは、この警告メッセージを「メソッド実装に関する属性とその宣言が一致しなければならない」ことを取り除くことができない理由です。変数引数リストとns_requires_nil_terminationと関係があると思います
他の人がこのコードが役立つと思うことを願っています。もし誰かが私が見つけたい警告メッセージを取り除く方法を知っていることを願っています。
ああ、ボタンに画像ファイルを追加する必要があることを忘れてしまいました。私はずっと前に他のスレッドからそれらをダウンロードし、どこに忘れていましたが、それらを手に入れるのは難しくないはずです。
//
// NumericKeyboardHelper.h
//
// Created by Joseph Gagliardo on 7/6/12.
// Copyright (c) 2012 Joseph Gagliardo. All rights reserved.
//
#import <Foundation/Foundation.h>
/*
1. Import this header file
2. Add the NumericKeyboardHelperProtocol to the UIViewController<NumericKeyboardHelperProtocol>
3. Add a property to create this helper class
@property (strong, nonatomic) NumericKeyboardHelper *numericKeyboardHelper;
4. synthesize it and clean it up when done in the viewDidUnload
@synthesize numericKeyboardHelper=_numericKeyboardHelper;
[self setNumericKeyboardHelper:nil];
5. Insert the following line in the viewDidLoad of the controller
self.numericKeyboardHelper = [[NumericKeyboardHelper alloc] initWithObserver:self andSelector:@selector(numericDoneButtonPressed:) andFields: self.TextField1, self.TextField2, nil];
where self.TextField1, ... are the textField Outlets that have a numeric keyboard
6. Provide a numericDoneButtonPressed: method as required by the protocol to receive the message when the done button is pressed
The helper class does all the rest of the work
*/
@protocol NumericKeyboardHelperProtocol
- (void)numericDoneButtonPressed:(id)sender;
@end
@interface NumericKeyboardHelper : NSObject
@property (strong, nonatomic) UIButton *numericDoneButton;
@property (strong, nonatomic) NSArray *numericFields;
@property (weak, nonatomic) UIViewController *viewController;
- (void)showNumericKeyboard:(id)sender;
- (void)hideNumericKeyboard:(id)sender;
- (id) initWithObserver: (id) observer andSelector:(SEL)selector andFields:(UIControl *)argList, ... NS_REQUIRES_NIL_TERMINATION;
@end
//
// NumericKeyboardHelper.m
//
// Created by Joseph Gagliardo on 7/6/12.
// Copyright (c) 2012 Joseph Gagliardo. All rights reserved.
//
#import "NumericKeyboardHelper.h"
@implementation NumericKeyboardHelper
@synthesize numericDoneButton=_numericDoneButton;
@synthesize viewController=_viewController;
@synthesize numericFields=_numericFields;
- (id) initWithObserver: (id) observer andSelector:(SEL)selector andFields:(UIControl *)argList, ... NS_REQUIRES_NIL_TERMINATION
{
if (self = [super init])
{
[[NSNotificationCenter defaultCenter] addObserver:observer
selector:selector
name:@"numericDoneButtonPressed"
object:nil];
NSMutableArray *a = [[NSMutableArray alloc]init];
va_list args;
va_start(args, argList);
for (UIControl *arg = argList; arg != nil; arg = va_arg(args, UIControl*))
{
[a addObject:arg];
}
va_end(args);
self.numericFields = [NSArray arrayWithArray:a];
NSLog(@"Array count %i", [a count]);
self.viewController = observer;
[self setAllTextFields:self.viewController.view];
}
return self;
}
- (void) setAllTextFields: (UIView *) view
{
for (UIView *v in view.subviews)
{
if ([v isKindOfClass:[UITextField class]])
{
UITextField *t = (UITextField *)v;
if ([self.numericFields containsObject:v])
[t addTarget:self action:@selector(showNumericKeyboard:) forControlEvents:UIControlEventTouchDown];
else
[t addTarget:self action:@selector(hideNumericKeyboard:) forControlEvents:UIControlEventTouchDown];
}
else if ([v.subviews count] > 0)
{
[self setAllTextFields:v];
}
}
}
- (void)addNumericDoneButtonToKeyboard
{
if (self.numericDoneButton == nil)
{
self.numericDoneButton = [UIButton buttonWithType:UIButtonTypeCustom];
self.numericDoneButton.frame = CGRectMake(0, 163, 106, 53);
self.numericDoneButton.adjustsImageWhenHighlighted = NO;
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.0)
{
[self.numericDoneButton setImage:[UIImage imageNamed:@"DoneUp3.png"] forState:UIControlStateNormal];
[self.numericDoneButton setImage:[UIImage imageNamed:@"DoneDown3.png"] forState:UIControlStateHighlighted];
}
else
{
[self.numericDoneButton setImage:[UIImage imageNamed:@"DoneUp.png"] forState:UIControlStateNormal];
[self.numericDoneButton setImage:[UIImage imageNamed:@"DoneDown.png"] forState:UIControlStateHighlighted];
}
[self.numericDoneButton addTarget:self action:@selector(numericDoneButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
}
[[self keyboardView] addSubview:self.numericDoneButton];
}
- (void)showNumericKeyboard:(id)sender
{
[self addNumericDoneButtonToKeyboard];
self.numericDoneButton.hidden = NO;
}
- (void)hideNumericKeyboard:(id)sender
{
self.numericDoneButton.hidden = YES;
}
- (UIView *)keyboardView
{
UIWindow* tempWindow = [[[UIApplication sharedApplication] windows] objectAtIndex:1];
UIView* keyboard;
for(int i=0; i<[tempWindow.subviews count]; i++)
{
keyboard = [tempWindow.subviews objectAtIndex:i];
if (([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.2 && [[keyboard description] hasPrefix:@"<UIPeripheralHost"] == YES) || [[keyboard description] hasPrefix:@"<UIKeyboard"] == YES)
return keyboard;
}
return nil;
}
- (void)numericDoneButtonPressed:(id)sender
{
for (UIControl *c in self.numericFields)
[c resignFirstResponder];
[[NSNotificationCenter defaultCenter]
postNotificationName:@"numericDoneButtonPressed"
object:sender ];
}
@end
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