1.- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
2.{
3. UITouch *touch = touches.anyObject;
4. CGPoint currentTouchPosition = [touch locationInView:self];
5.
6. if (fabsf(startTouchPosition.x - currentTouchPosition.x) >=
7. HORIZ_SWIPE_DRAG_MIN &&
8. fabsf(startTouchPosition.y - currentTouchPosition.y) <=
9. VERT_SWIPE_DRAG_MAX)
10. {
11. // Horizontal Swipe
12. if (startTouchPosition.x < currentTouchPosition.x) {
13. NSLog(@"from left");
14. dirString = kCATransitionFromLeft;
15. }
16. else
17. NSLog(@"from right");
18. dirString = kCATransitionFromRight;
19. }
20. else if (fabsf(startTouchPosition.y - currentTouchPosition.y) >=
21. HORIZ_SWIPE_DRAG_MIN &&
22. fabsf(startTouchPosition.x - currentTouchPosition.x) <=
23. VERT_SWIPE_DRAG_MAX)
24. {
25. // Vertical Swipe
26. if (startTouchPosition.y < currentTouchPosition.y)
27. dirString = kCATransitionFromBottom;
28. else
29. dirString = kCATransitionFromTop;
30. } else
31. {
32. // Process a non-swipe event.
33. // dirString = NULL;
34. }
35.}
36.
37.- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
38.{
39. if (dirString)
40. {
41. // do it
42. }
43.}
2.{
3. UITouch *touch = touches.anyObject;
4. CGPoint currentTouchPosition = [touch locationInView:self];
5.
6. if (fabsf(startTouchPosition.x - currentTouchPosition.x) >=
7. HORIZ_SWIPE_DRAG_MIN &&
8. fabsf(startTouchPosition.y - currentTouchPosition.y) <=
9. VERT_SWIPE_DRAG_MAX)
10. {
11. // Horizontal Swipe
12. if (startTouchPosition.x < currentTouchPosition.x) {
13. NSLog(@"from left");
14. dirString = kCATransitionFromLeft;
15. }
16. else
17. NSLog(@"from right");
18. dirString = kCATransitionFromRight;
19. }
20. else if (fabsf(startTouchPosition.y - currentTouchPosition.y) >=
21. HORIZ_SWIPE_DRAG_MIN &&
22. fabsf(startTouchPosition.x - currentTouchPosition.x) <=
23. VERT_SWIPE_DRAG_MAX)
24. {
25. // Vertical Swipe
26. if (startTouchPosition.y < currentTouchPosition.y)
27. dirString = kCATransitionFromBottom;
28. else
29. dirString = kCATransitionFromTop;
30. } else
31. {
32. // Process a non-swipe event.
33. // dirString = NULL;
34. }
35.}
36.
37.- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
38.{
39. if (dirString)
40. {
41. // do it
42. }
43.}
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