找不到支持键盘类型4的键盘iPhone-Portrait-NumberPad；使用3876877096_Portrait_iPhone-Simple-Pad_Default

Question

我已经下载了iPhone版和iOS版的Windows8黄金版。

我测试了这个应用程序，它运行良好，除了一件事。

我有一个文本字段，如果用户想要键入什么，就会出现一个数字键盘，此外，当键盘出现时，会在空白区域添加一个自定义按钮。

- (void)addButtonToKeyboard
{
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
    {
        // create custom button
        UIButton * doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
        doneButton.frame = CGRectMake(-2, 163, 106, 53);
        doneButton.adjustsImageWhenHighlighted = NO;
        [doneButton setImage:[UIImage imageNamed:@"DoneUp.png"] forState:UIControlStateNormal];
        [doneButton setImage:[UIImage imageNamed:@"DoneDown.png"] forState:UIControlStateHighlighted];
        [doneButton addTarget:self action:@selector(saveNewLead:) 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 view found; add the custom button to it
            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];
            }
        }
    }

}

到目前为止，这个方法运行得很好。

首先，我得到这样的警告：

找不到支持类型4的键盘iPhone-肖像-数字键盘；使用3876877096_肖像_iPhone-简单键盘-默认键盘

那么自定义按钮也不会显示，我认为这是因为这两行代码：

if([[keyboard description] hasPrefix:@"<UIPeripheralHost"] == YES)

和

if([[keyboard description] hasPrefix:@"<UIKeyboard"] == YES)

有什么建议吗？

Answer 1

我也遇到了这个问题，并找到了解决方案。

下面是适用于iOS 8.0和以下版本的代码。

我已经在iOS 7和8.0 (Xcode6.0.1版)上进行了测试。

- (void)addButtonToKeyboard
    {
    // create custom button
    self.doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
            //This code will work on iOS 8.3 and 8.4. 
       if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.3) {
            self.doneButton.frame = CGRectMake(0, [[UIScreen mainScreen]   bounds].size.height - 53, 106, 53);
      } else {
           self.doneButton.frame = CGRectMake(0, 163+44, 106, 53);
      }

    self.doneButton.adjustsImageWhenHighlighted = NO;
    [self.doneButton setTag:67123];
    [self.doneButton setImage:[UIImage imageNamed:@"doneup1.png"] forState:UIControlStateNormal];
    [self.doneButton setImage:[UIImage imageNamed:@"donedown1.png"] forState:UIControlStateHighlighted];

    [self.doneButton addTarget:self action:@selector(doneButton:) forControlEvents:UIControlEventTouchUpInside];

    // locate keyboard view
    int windowCount = [[[UIApplication sharedApplication] windows] count];
    if (windowCount < 2) {
        return;
    }

    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] >= 8.3) {

            UIButton *searchbtn = (UIButton *)[keyboard viewWithTag:67123];
            if (searchbtn == nil)
                [keyboard addSubview:self.doneButton];

            } else {   
                if([[keyboard description] hasPrefix:@"<UIPeripheralHost"] == YES) {
              UIButton *searchbtn = (UIButton *)[keyboard viewWithTag:67123];
                   if (searchbtn == nil)//to avoid adding again and again as per my requirement (previous and next button on keyboard)
                [keyboard addSubview:self.doneButton];

        } //This code will work on iOS 8.0
        else if([[keyboard description] hasPrefix:@"<UIInputSetContainerView"] == YES) {

            for (int i = 0; i < [keyboard.subviews count]; i++)
            {
                UIView *hostkeyboard = [keyboard.subviews objectAtIndex:i];

                if([[hostkeyboard description] hasPrefix:@"<UIInputSetHost"] == YES) {
                    UIButton *donebtn = (UIButton *)[hostkeyboard viewWithTag:67123];
                    if (donebtn == nil)//to avoid adding again and again as per my requirement (previous and next button on keyboard)
                        [hostkeyboard addSubview:self.doneButton];
                }
            }
        }
      }
    }
 }

- (void)removedSearchButtonFromKeypad 
    {

    int windowCount = [[[UIApplication sharedApplication] windows] count];
    if (windowCount < 2) {
        return;
    }

    UIWindow *tempWindow = [[[UIApplication sharedApplication] windows] objectAtIndex:1];

    for (int i = 0 ; i < [tempWindow.subviews count] ; i++)
    {
        UIView *keyboard = [tempWindow.subviews objectAtIndex:i];

           if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.3){
                [self removeButton:keyboard];                  
            } else if([[keyboard description] hasPrefix:@"<UIPeripheralHost"] == YES) {
                  [self removeButton:keyboard];

             } else if([[keyboard description] hasPrefix:@"<UIInputSetContainerView"] == YES){

            for (int i = 0 ; i < [keyboard.subviews count] ; i++)
            {
                UIView *hostkeyboard = [keyboard.subviews objectAtIndex:i];

                if([[hostkeyboard description] hasPrefix:@"<UIInputSetHost"] == YES) {
                    [self removeButton:hostkeyboard];
                }
            }
        }
    }
}


- (void)removeButton:(UIView *)keypadView 
    {
    UIButton *donebtn = (UIButton *)[keypadView viewWithTag:67123];
    if(donebtn) {
        [donebtn removeFromSuperview];
        donebtn = nil;
    }
}

希望这能有所帮助。

但是，我仍然收到这样的警告：

找不到支持类型4的键盘iPhone-肖像-数字键盘；使用3876877096_肖像_iPhone-简单键盘-默认键盘

忽略这个警告，我让它正常工作。如果你能从这个警告中得到缓解，请让我知道。

Answer 2

在更新到最新的Xcode测试版后，我也遇到了这个问题。模拟器上的设置已刷新，因此检测到笔记本电脑(外部)键盘。如果您只需按：

iOS模拟器->硬件->键盘->连接硬件键盘

因此该条目为UNchecked，则软键盘将再次显示。

Answer 3

模拟器试图在苹果电脑上找到一个数字键盘，但没有找到(MacBook Pro，MacBook Air和"normal/small“键盘没有)。您可以取消选择Connect Hardware Keyboard选项或忽略该错误消息，它不会对应用程序产生负面影响。