注册通知监听器，监听键盘弹起事件
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
注册通知监听器，监听键盘收起事件
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
键盘弹出调用该方法
- (void)keyboardWillShow:(NSNotification *)notificationP{
//获取键盘弹出的高度
NSDictionary *dict = [notificationP userInfo];
NSValue *value = [dict objectForKey:UIKeyboardFrameEndUserInfoKey];
CGRect key = [value CGRectValue];
NSLog(@"%lf",key.size.height);
}
键盘收起调用该方法
- (void)keyboardWillHide:(NSNotification *)notificationP{
}
开始视图升起动画
[UIView beginAnimations:@"keyboardWillShow" context:nil];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
//获取原视图位置
CGRect rect = viewHua.frame;
rect.origin.y = 60;
//设置视图位置
viewHua.frame = rect;
//结束动画
[UIView commitAnimations];
开始视图下降动画
[UIView beginAnimations:@"keyboardWillHide" context:nil];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
//获取原视图位置
CGRect rect = viewHua.frame;
rect.origin.y = HEIGHT-250;
//设置视图位置
viewHua.frame = rect;
//结束动画
[UIView commitAnimations];
