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Move up the UIView with UITextField s under the keyboard

/ Published in: Objective C
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Set controller as the delegate of the all the UITextField s in the UIView

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  1. - (void) animateTextField: (UITextField*) textField up: (BOOL) up{
  2. 	int txtPosition = (textField.frame.origin.y - 140);
  3.     const int movementDistance = (txtPosition < 0 ? 0 : txtPosition); // tweak as needed
  4.     const float movementDuration = 0.3f; // tweak as needed
  5.  
  6.     int movement = (up ? -movementDistance : movementDistance);
  7.  
  8.     [UIView beginAnimations: @"anim" context: nil];
  9.     [UIView setAnimationBeginsFromCurrentState: YES];
  10.     [UIView setAnimationDuration: movementDuration];
  11.     self.view.frame = CGRectOffset(self.view.frame, 0, movement);
  12.     [UIView commitAnimations];
  13. }
  14.  
  15. - (void)textFieldDidBeginEditing:(UITextField *)textField{
  16.     [self animateTextField: textField up: YES];
  17. }
  18.  
  19. - (void)textFieldDidEndEditing:(UITextField *)textField{
  20.     [self animateTextField: textField up: NO];
  21. }
  22.  
  23. - (BOOL)textFieldShouldReturn:(UITextField *)theTextField {	
  24. 	[theTextField resignFirstResponder];
  25. 	return YES;
  26. }

URL: http://yasirmturk.com/blog

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