iOS8/iOS8中Apple系統鍵盤的高度是多少？

Question

如果沒有位於鍵盤頂部的預測性文本欄，&的iOS 8以上的Apple系統鍵盤的高度是多少？

Answer 1

使用

NSValue* keyboardFrame = [keyboardInfo valueForKey:UIKeyboardFrameEndUserInfoKey]; 

詳細值

的UIKeyboardWillChangeFrameNotification觀察者添加到viewDidLoad;

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

委託方法

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