iOS成長之路-獲取系統鍵盤的高度 – iPhone手機開發技術文章 iPhone軟體開發教學課程

2018-10-09 ios軟體開發教學

print?NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];

//UIKeyboardWillShowNotification鍵盤出現

[defaultCenter addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];

//UIKeyboardWillHideNotification 鍵盤隱藏

[defaultCenter addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];

– (void)keyboardWillShow:(NSNotification *)aNotification

{

//獲取鍵盤的高度

NSDictionary *userInfo = [aNotification userInfo];

NSValue *aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];

CGRect keyboardRect = [aValue CGRectValue];

int height = keyboardRect.size.width;

}

NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];