[英]How to get height of emoji keyboard in iOS 11 when switching input type immediately?
I am using the code below: 我正在使用以下代码:
CGRect keyboardFrame = [[userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
but it doesn't work exactly. 但这并不完全有效。
You can subscribe to notifications: UIKeyboardWillChangeFrame or UIKeyboardDidChangeFrame . 您可以订阅通知: UIKeyboardWillChangeFrame或UIKeyboardDidChangeFrame 。 In handlers you can get the end frame of the keyboard. 在处理程序中, 您可以获取键盘的末端框架 。
Here I've created an example application. 在这里,我创建了一个示例应用程序。
When switching to emoji keyboard by pressing the language selector button (the globe), it seems that a UIKeyboardWillChangeFrame
-notification gets sent. 通过按语言选择器按钮(地球)切换到表情符号键盘时,似乎已发送UIKeyboardWillChangeFrame
-notification。 But when changing by long pressing the language selector button, no notification is sent. 但是,如果长按语言选择器按钮进行更改,则不会发送任何通知。
It looks to me as a bug in iOS 11, since even the apple messages app and facebook messenger app doesn't handle this right. 在我看来,这似乎是iOS 11中的错误,因为即使Apple Messages应用程序和Facebook Messenger应用程序也无法处理此问题。 I've submitted a radar about this with id: 36657137 我已提交有关此ID的雷达 :36657137
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