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Get keyboard height from an NSNotification

View (deprecated)UINotificationKeyboardHeight.m
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@implementation NSNotification (KeyboardHeight)
 
- (CGFloat)keyboardHeight {
CGRect bounds;
NSValue *boundsValue = [self.userInfo objectForKey:UIKeyboardBoundsUserInfoKey];
if (boundsValue) {
[boundsValue getValue:&bounds];
return bounds.size.height;
} else {
return 0;
}
}
 
@end
View (deprecated)UINotificationKeyboardHeight.m
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@implementation NSNotification (KeyboardHeight)
 
- (CGFloat)keyboardHeight {
CGRect bounds;
NSValue *boundsValue = [self.userInfo objectForKey:UIKeyboardBoundsUserInfoKey];
if (boundsValue) {
[boundsValue getValue:&bounds];
return bounds.size.height;
} else {
return 0;
}
}
 
@end
View (deprecated)UINotificationKeyboardHeight.m
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@implementation NSNotification (KeyboardHeight)
 
- (CGFloat)keyboardHeight {
CGRect startFrame;
NSValue *startFrameValue = [self.userInfo objectForKey:UIKeyboardFrameBeginUserInfoKey];
if (startFrameValue) {
[startFrameValue getValue:&startFrame];
return startFrame.size.height;
} else {
return 0;
}
}
 
@end
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