键盘盖住输入框问题，包含中英文切换

只是修改了官方的demo

- (void)viewDidLoad

{

    [superviewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

    

    

    [[NSNotificationCenterdefaultCenter] addObserver:selfselector:@selector(keyboardWillShow:)  name:UIKeyboardWillShowNotificationobject:nil];

    [[NSNotificationCenterdefaultCenter] addObserver:selfselector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotificationobject:nil]; 

    inputview=[[UITextViewalloc] initWithFrame:CGRectMake(123,750, 111,44)];

    [inputviewsetBackgroundColor:[UIColorredColor]];

    [self.view addSubview:inputview];

}

- (void)didReceiveMemoryWarning

{

    [superdidReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

    

}

- (BOOL)textViewShouldBeginEditing:(UITextView *)aTextView {

    

    if (inputview.inputAccessoryView == nil) {

        [[NSBundlemainBundle] loadNibNamed:@"AccessoryView"owner:selfoptions:nil];

    }

    

    returnYES;

}

- (BOOL)textViewShouldEndEditing:(UITextView *)aTextView {

    [aTextView resignFirstResponder];

    returnYES;

}

#pragma mark -

#pragma mark Responding to keyboard events

- (void)keyboardWillShow:(NSNotification *)notification {    

    NSDictionary *userInfo = [notification userInfo]; 

    NSValue* aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];

    CGRect keyboardRect = [aValue CGRectValue];

    NSValue *animationDurationValue = [userInfo objectForKey:UIKeyboardAnimationDurationUserInfoKey];

    NSTimeInterval animationDuration;

    [animationDurationValue getValue:&animationDuration];

    [UIViewbeginAnimations:nilcontext:NULL];

    [UIView setAnimationDuration:animationDuration];    

    inputview.frame=CGRectMake(123,keyboardRect.origin.y-64, 111,44);

    [UIViewcommitAnimations];

}

- (void)keyboardWillHide:(NSNotification *)notification {

    

    NSDictionary* userInfo = [notification userInfo];

    NSValue *animationDurationValue = [userInfo objectForKey:UIKeyboardAnimationDurationUserInfoKey];

    NSTimeInterval animationDuration;

    [animationDurationValue getValue:&animationDuration];    

    [UIViewbeginAnimations:nilcontext:NULL];

    [UIView setAnimationDuration:animationDuration];    

    inputview.frame = CGRectMake(123,750, 111,44);    

    [UIViewcommitAnimations];

}