Merge pull request #78 from phatmann/work-without-first-responder

Work without firstResponder

TPKeyboardAvoiding/UIScrollView+TPKeyboardAvoidingAdditions.m

@@ -47,10 +47,6 @@ - (void)TPKeyboardAvoiding_keyboardWillShow:(NSNotification*)notification {
  }
 
  UIView *firstResponder = [self TPKeyboardAvoiding_findFirstResponderBeneathView:self];
- if ( !firstResponder ) {
- // No child view is the first responder - nothing to do here
- return;
- }
 
  state.keyboardRect = [self convertRect:[[[notification userInfo] objectForKey:_UIKeyboardFrameEndUserInfoKey] CGRectValue] fromView:nil];
  state.keyboardVisible = YES;
@@ -71,13 +67,17 @@ - (void)TPKeyboardAvoiding_keyboardWillShow:(NSNotification*)notification {
  [UIView beginAnimations:nil context:NULL];
  [UIView setAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];
  [UIView setAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]];
-
+ 
  self.contentInset = [self TPKeyboardAvoiding_contentInsetForKeyboard];
- CGFloat viewableHeight = self.bounds.size.height - self.contentInset.top - self.contentInset.bottom;
- [self setContentOffset:CGPointMake(self.contentOffset.x,
- [self TPKeyboardAvoiding_idealOffsetForView:firstResponder
- withViewingAreaHeight:viewableHeight])
- animated:NO];
+
+ if ( firstResponder ) {
+ CGFloat viewableHeight = self.bounds.size.height - self.contentInset.top - self.contentInset.bottom;
+ [self setContentOffset:CGPointMake(self.contentOffset.x,
+ [self TPKeyboardAvoiding_idealOffsetForView:firstResponder
+ withViewingAreaHeight:viewableHeight])
+ animated:NO];
+ }
+
  self.scrollIndicatorInsets = self.contentInset;
 
  [UIView commitAnimations];