iOS8/iOS8 Apple 系统键盘的高度是多少？

Question

iOS8 及更高版本的 Apple 系统键盘的高度是多少，带和不带位于键盘顶部的预测文本栏？

Answer 1

使用

NSValue* keyboardFrame = [keyboardInfo valueForKey:UIKeyboardFrameEndUserInfoKey];

详细值

将 UIKeyboardWillChangeFrameNotification 的观察者添加到 viewDidLoad;

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillChange:) name:UIKeyboardWillChangeFrameNotification object:nil];

委托方法

- (void)keyboardWillChange:(NSNotification *)notification {
    NSDictionary* keyboardInfo = [notification userInfo];
    NSValue* keyboardFrame = [keyboardInfo valueForKey:UIKeyboardFrameEndUserInfoKey];
   NSLog("value ==%@",keyboardFrame);
}