adjust for keyboard

keyboard.m

- (void)adjustViewForTextField:(UITextField*)textField animated:(BOOL)animated {
	CGRect frame = self.view.frame;
	
	double screenSize = 480.0;
	double topHeight = 20.0;
	double keyboardSize = 216.0;
	double keyboardPos = screenSize - keyboardSize;
	double textFieldPos = topHeight + textField.frame.origin.y;
	double textFieldHeight = textField.frame.size.height;
	double textFieldBottom = textFieldPos + textFieldHeight;
	
	if ((textFieldBottom + frame.origin.y) >= keyboardPos) {
		frame.origin.y = (keyboardPos - textFieldPos) - textFieldHeight - 10.0;
		if (animated) {
			[UIView animateWithDuration:0.25 animations:^ {
				self.view.frame = frame;
			}];
		}
		else {
			self.view.frame = frame;
		}
	}
}

- (void)resetViewAfterEditingAnimated:(BOOL)animated {
	CGRect frame = self.view.frame;
	frame.origin.y = 0.0;		
	if (animated) {
		[UIView animateWithDuration:0.25 animations:^ {
			self.view.frame = frame;
		}];
	}
	else {
		self.view.frame = frame;
	}
}