當鍵盤擋住輸入時

方法一 移動畫面
- (void) textFieldDidBeginEditing:(UITextField *)textField{

    [UIView beginAnimations:nil context:nil];

    [UIView setAnimationDuration:0.25];

    [self.view setFrame:CGRectMake(0, correctY, self.view.frame.size.width, self.view.frame.size.height)];

    [UIView commitAnimations];

}
correctY=-100向上移動100