https://feedbackassistant.apple.com/feedback/12452639

Code to reproduce: #import "ViewController.h" @interface ViewController () <UITextViewDelegate> @property (nonatomic, strong) UITextView *textView; @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; [self registerForNotifications]; { UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(0, 100, 200, 100)]; textView.backgroundColor = UIColor.whiteColor; textView.delegate = self; [self.view addSubview:textView]; self.textView = textView; } { UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem]; [button setTitle:@"resign" forState:UIControlStateNormal]; [button sizeToFit]; button.center = CGPointMake(50, 250); [button addTarget:self action:@selector(resign) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:button]; } { UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem]; [button setTitle:@"switch" forState:UIControlStateNormal]; [button sizeToFit]; button.center = CGPointMake(150, 250); [button addTarget:self action:@selector(switchV) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:button]; } { UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(0, 300, 200, 100)]; textView.backgroundColor = UIColor.systemPinkColor; [self.view addSubview:textView]; } } - (void)resign { [self.textView resignFirstResponder]; } - (void)switchV { if (self.textView.inputView) { self.textView.inputView = nil; [self.textView reloadInputViews]; } else { UIView *inputView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 200)]; inputView.backgroundColor = UIColor.greenColor; self.textView.inputView = inputView; [self.textView reloadInputViews]; } } - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text { NSLog(@"%@, %@", NSStringFromSelector(_cmd), NSStringFromRange(range)); return YES; } - (void)registerForNotifications { [[NSNotificationCenter defaultCenter] removeObserver:self]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveKeyboardDidShowNotification:) name:UIKeyboardDidShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveKeyboardWillShowNotification:) name:UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveKeyboardWillChangeFrameNotification:) name:UIKeyboardWillChangeFrameNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveKeyboardDidChangeFrameNotification:) name:UIKeyboardDidChangeFrameNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveKeyboardWillHideNotification:) name:UIKeyboardWillHideNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveKeyboardDidHideNotification:) name:UIKeyboardDidHideNotification object:nil]; } - (void)didReceiveKeyboardWillShowNotification:(NSNotification *)notification { NSDictionary *userInfo = [notification userInfo]; CGRect keyboardEndFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; UIViewAnimationCurve animationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue]; NSLog(@"didReceiveKeyboardWillShowNotification %@ %ld", NSStringFromCGRect(keyboardEndFrame), animationCurve); } - (void)didReceiveKeyboardDidShowNotification:(NSNotification *)notification { NSDictionary *userInfo = [notification userInfo]; CGRect keyboardEndFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; UIViewAnimationCurve animationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue]; NSLog(@"didReceiveKeyboardDidShowNotification %@ %ld", NSStringFromCGRect(keyboardEndFrame), animationCurve); } - (void)didReceiveKeyboardWillChangeFrameNotification:(NSNotification *)notification { NSDictionary *userInfo = [notification userInfo]; CGRect keyboardEndFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; UIViewAnimationCurve animationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue]; NSLog(@"didReceiveKeyboardWillChangeFrameNotification %@ %ld", NSStringFromCGRect(keyboardEndFrame), animationCurve); } - (void)didReceiveKeyboardDidChangeFrameNotification:(NSNotification *)notification { NSDictionary *userInfo = [notification userInfo]; CGRect keyboardEndFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; UIViewAnimationCurve animationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue]; NSLog(@"didReceiveKeyboardDidChangeFrameNotification %@ %ld", NSStringFromCGRect(keyboardEndFrame), animationCurve); } - (void)didReceiveKeyboardWillHideNotification:(NSNotification *)notification { NSDictionary *userInfo = [notification userInfo]; CGRect keyboardEndFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; UIViewAnimationCurve animationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue]; NSLog(@"didReceiveKeyboardWillHideNotification %@ %ld", NSStringFromCGRect(keyboardEndFrame), animationCurve); } - (void)didReceiveKeyboardDidHideNotification:(NSNotification *)notification { NSDictionary *userInfo = [notification userInfo]; CGRect keyboardEndFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue]; UIViewAnimationCurve animationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue]; NSLog(@"didReceiveKeyboardDidHideNotification %@ %ld", NSStringFromCGRect(keyboardEndFrame), animationCurve); } @end

https://feedbackassistant.apple.com/feedback/12360292