ColinTree ListView – Custom ListView

Higher level ”ListView”, using extensions!

• Update on 2019.6.5 (Version 11):
  • Added Translations (need platform supporting)
  • Fixed a Get method bug by @10MINT
  • Added ExtraButtonImage in ColinTreeListViewElement part of work done by @mkakozbeklem
  • Removed flag deprecated from all blocks
• Update on 2018.7.27 (Version 10):
  • Added Get by @10MINT
  • Added LastLongClickedElement by @10MINT
  • Fixes label cannot click on some platforms
• Update on 2018.3.10 (Version 9):
  • Fixed Error of Visiblility
  • Added ClearCache(path) & ClearAllCache() — still in test, it should works
• Update on 2018.3.4 (Version 8)
  • Fixed extraButtonEnabled not implemented
  • Added support of direct(static) functions in ColinTreeListViewElement
• Update on 2018.2.25 (Version 7) THANK YOU @User81 FOR SPONSORING:
  • Fixed that lastClickedElement starts from 0
  • Fixed that images that cached by a same path would act wired when one of them is clicked
  • Added a extra button
  • Added property handler for every single element of the listview -> useage
• Update on 2018.2.11 (Version 6):
  • Added properties of text height (both main- & sub-text)
• Update on 2018.1.31 (Version 5):
  • Added icon text related properties
  • Added lastClickedElement & lastClickedIcon
• Update on 2017.12.30 (Version 4):
  • Adapted to all platforms (ai2.appinventor.mit.edu , thunkable , etc.) There should not more NoSuchMethodError at anywhere.
• Update on 2017.12.29 (version 3):
  • Adapted to new Appinventor (since 2017.12.27, Companion 2.45) (Fixed NoSuchMethodError)
  • Added properties related to image loading – AsyncImageLoad & CacheImage (that in a same path)
  • Added property – ScrollBottomAfterAdd

How to use

1. Left a VerticalArrangement or a VerticalScrollArrangement, set the width and the height as you like. Here is the sample:
2. Before do anything like add a element, initialize it first: Choose only one of the initialize method
3. Set the list The ”set” method required a list, and the list elements can be:
   • Single text element without icon: The list element here is just a Text, and it will be shown in the element
   • Single text element without icon(same with the one above): A sub-list with only one item is also allowed when creating a Single text element without icon.
   • Single text element with icon: The sub-list with two item will be proceed as a Single text element with icon. The first item is the icon path, when the second one is the text here.
   • Double text element with icon: A list with at least three item, is being recognize as a Double text elemtnt with icon. And only the very first three items will be used as the parameters here. They are: icon(path), Main-text, and Sub-text

   The three types of list element can exist when a ColinTreeListView is created Sample code: Runtime screenshot (IconMultiParams checked):

Events