VPL Patterns – Loop Pattern using Notification

1. VPL Patterns – Loop Pattern using Notification VPL Beginner Course – 05 Young Joon Kim http://www.helloapps.com

2. Topics • Simple loop pattern using notification • Get Min/Max numberusing Loop Pattern

3. Simple Loop Pattern using Notification

4. Scenario for target sample • Build simple loop diagram • Display loop index Call “Activity” Notification of “Activity” Display Loop Index Loop Call “Activity”

5. Simple loop pattern using notification • Add “Data” and “Variable” • Click “Variables” icon Click

6. Simple loop pattern using notification • Add “loopIndex” variable (int)

7. Simple loop pattern using notification • Initialize “loopIndex” with value “0”

8. Simple loop pattern using notification • Add “Activity”

9. Simple loop pattern using notification • Change the name of “Activity” Click

10. Simple loop pattern using notification Double-click

11. Simple loop pattern using notification • Connect input point and notification point

12. Simple loop pattern using notification • Connected result

13. Simple loop pattern using notification • Connect “Variable” and “Jump” • Copy & paste “Jump”

14. Simple loop pattern using notification • Add “If” and “Calculate” activities • Copy & paste “Variable” activity • Connect the notification point of “Jump” and “If”

15. Simple loop pattern using notification • Connect each activities

16. Simple loop pattern using notification • Add “HelloApps (Util) ListBoxDialog” service • Copy & paste “Jump”

17. Simple loop pattern using notification • Connect “Variable” and “ListBoxDialog” service

18. Simple loop pattern using notification • Completed diagram

19. Simple loop pattern using notification • Executed result

20. Get Min/Max using Loop Pattern

21. Scenario for target sample • Calculate Min/Max number from the array Input numbers Call “Activity” Notification of “Activity” Compare Min/Max Loop Call “Activity” If last item Display Min/Max

22. Initialize variables

23. Initialize variables • Add “Data” and “Variable” • Click “Variables” icon Click

24. Initialize variables • Add variables as follows • maxValue (double), minValue (double) • arrayList (list of double) • loopIndex (int)

25. Initialize variables • Add another two “Data” activities • Copy & paste “Variable” • Connect them as follows

26. Input numbers

27. Input numbers • Add “HelloApps (Util) ArrayInput” service • Add “Calculate” and “Variable” activities • Connect the notification point of “ArrayInput” and “Calculate”

28. Input numbers • Select “NotifyArrayList” • Connect activities as follows

29. Build Loop Pattern

30. Build Loop Pattern • Add “Activity”

31. Build Loop Pattern • Change name as “Jump” • Double-click “Jump” activity

32. Build Loop Pattern • Connect the input point and the notification point

33. Build Loop Pattern • Copy & paste two “Jump” activities

34. Get Min/Max numbers

35. Get Min/Max numbers • Add “If”, “Calculate”, and “Variable” activities as follows

36. Get Min/Max numbers • Set “If” activities as follows

37. Get Min/Max numbers • Set “Calculate” as follows • Connect “Calculate” and “Variable” activities

38. Get Min/Max numbers • Add “Calculate” and “Variable” activity

39. Get Min/Max numbers • Connect “Calculate” and “Variable”

40. Get Min/Max numbers • Add “Display” diagram as follows

41. Get Min/Max numbers • Completed diagram

42. Get Min/Max numbers • Run diagram • Add numbers by clicking “Add” button

43. Get Min/Max numbers • Click “Submit as List” as follows