Change element positions by specific value in ArrayList (Android)

Asked May 12 '17 at 08:50

Active May 12 '17 at 08:56

Viewed 32 times

I have a ArrayList of model class which has 3 different keys

Feeds, Category and Tags

They are mixed in the list

but I want to arrange them in specific ways

Feeds related data needs to display first, then Category related data and then Tags related data

Doea anyone has idea how to do this?

asked May 12 '17 at 08:50

Mahesh

http://stackoverflow.com/questions/2784514/sort-arraylist-of-custom-objects-by-property – Pete Hendry May 12 '17 at 08:57
@pete I have 3 fields to compare. I dont know how use comparator here – Mahesh May 12 '17 at 09:20
1

I suggest you create a base class with a int type member variable. Derive your 3 model classes from this and set type to a different value in each model. Then use the type variable in the sort operation. – Pete Hendry May 12 '17 at 09:25
Thanx for your help @Pete – Mahesh May 12 '17 at 09:48

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