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1166: Migration to Paging3 for MembersFragment #1221

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1166: Migration to Paging3 for MembersFragment #1221

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bosankus
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@bosankus bosankus commented Oct 4, 2022 •
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Description

  • Currently the app is using a custom endless recycler view listener, which is replaced by Android Jetpack Paging 3 in this PR. The benefits are added below in a image as per the source

Screenshot 2022-10-04 at 10 22 29 AM

Fixes #1166

Type of Change:

  • Room and Paging 3 dependencies added.
  • Version upgrades were done on kotlin to support room & paging 3.
  • Methods added/altered in UserDataManager to get paged data from room handled by new class UserRemoteMediator.
  • FilterActivity removed as now filtering is done via ExtendedFloatingActionButton onClick. See details here.
  • Previous implementation of paging data is removed, which won't be used after using paging3.
  • New BindingUtil added for showing data on UI in list_member_item.xml.
  • Few spotless changes were done using command ./gradlew sA.
  • Few TAGs were removed which had no use and warning came during commit.

Code/Quality Assurance Only

  • New feature (non-breaking change which adds functionality pre-approved by mentors)

How Has This Been Tested?

  • This is a draft PR and yet to be tested.

Checklist:

  • My PR follows the style guidelines of this project
  • I have performed a self-review of my own code or materials
  • I have commented my code or provided relevant documentation, particularly in hard-to-understand areas

Code/Quality Assurance Only

  • My changes generate no new warnings
  • My PR currently breaks something (fix or feature that would cause existing functionality to not work as expected)
  • I have added tests that prove my fix is effective or that my feature works
  • New and existing unit tests pass locally with my changes

bosankus and others added 7 commits December 2, 2021 10:03
@bosankus
added androidx paging3 library, to replace current pagination impleme…
6743c2c 
…ntation
@bosankus
implemented data flow via paging3 from UserDataManager to MembersView…
2527493 
…Model
@bosankus
Completed flow from MembersViewModel to the UI via MemberPagingAdapter
aef5c56 
- Upon scroll MemberLoadingStateAdapter will show loading list or any error, with retry button to fetch further list.
- list items are bind to UI now using databinding. See BindingUtils.kt
- strings.xml have new additions.
- pbMember progress bar removed from fragment_members.xml
- yet to clean to codebase, and remove redundant methods.
@bosankus
Connected Room, RemoteMediator, UserDataManager to let data flow to M…
b61ef0b 
…embersViewModel.kt

- local package: Room db created
- RemoteMediator added for fetching & storing data from remote to local room db.
- solved null check errors due to change of 'id' field in User.kt is changed to non-null
- compileSdk and targetSdk, Kotlin, paging library versions updated. Supports latest version of room
- Room dependencies added - Dependencies.kt
- solved errors caused due to change in UserDataManager.kt class parameters.
- Injection.kt added for injecting UserDataManager.kt to dependent classes
@bosankus
fix: Crash on MemberProfileActivity.kt
28da24b 
- fixed the crash due to passing null data from MembersFragment.kt to MemberProfileActivity.kt
@bosankus
Merge branch 'anitab-org:develop' into paging3-member-list
5d984a7
@bosankus
Code clean: Removed unused methods and imports
08ad17e 
- removed unused method from UserDataManager.kt
- removed unused code and imports from MembersViewModel.kt
- changed items per page to 50
- fixed spotless isssues.
@bosankus bosankus changed the title 1166: Paging3 member list 1166: Migration to Paging3 for MembersFragment Oct 4, 2022
@bosankus
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The existing filter feature on member list was not working, and after implementinig paging3 , it is found that there is a issue with sorting and filtering the list. Refer here : https://issuetracker.google.com/issues/175430431. I am trying work around for this filtering feature at this moment, which will solve this issue.

@bosankus
Undo random code changes.
08d74b0 
- no functional change
@bosankus
Merge remote-tracking branch 'origin/paging3-member-list' into paging…
f285da2 
…3-member-list
@bosankus
Fixed serialized names in User.kt
d651fea
@bosankus
Fixed data layer for filtering user list
33fa76b
@bosankus
Added mediatior livedata to manage user filtered data
a28a236
@bosankus
Removed filtering paged list to UserDataManager.kt
be39931
@bosankus
Connected UI to paged member list with filter
e7328a1
@bosankus
Fixed spotless errors
4bf0818
@bosankus
Removed redudant kotlin-stdlib-jdk7 dep
41f8b9b
@bosankus
MemberProfileActivity: Code clean
0ee37b9
@bosankus
MainActivity: Code clean
67379dc
@bosankus
ChangePasswordFragment: Code clean
fbf64a7
@bosankus
EditProfileFragment: Code clean
1e5694f
@bosankus
EditProfileFragment: Code clean
c1f55a0
@bosankus
HomeFragment: Code clean
8663377
@bosankus
MembersFragment: Code clean
14c3896
@bosankus
ProfileFragment.kt: Code clean
e70895d
@bosankus
RequestPagerFragment.kt.kt: spotless fix
864b16e
@bosankus
MemberProfileViewModel: Code clean
d71923f
@bosankus
MemberProfileViewModel: fix catch block
8fbdc2f
@bosankus
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bosankus commented Oct 17, 2022 •
edited
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@vj-codes @isabelcosta Two points I would like to raise: Please review this and this PR kindly.

  • The existing filter feature on member list was not working, and after implementinig paging3 , it is found that there is a issue with sorting the paged list. Refer to the issue raised here please : https://issuetracker.google.com/issues/175430431.

  • Filtering list as per skills, interest & location will be moved to changes made on Member search fragment.

Please share feedback on this

@bosankus bosankus marked this pull request as ready for review October 17, 2022 07:01
@bosankus
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@vj-codes A check is failing, however I am unable to understand what change to do. It's regarding collision of two kotlin-stdlib versions, but i removed the dependency since its deprecated. Still the same.

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bosankus commented Nov 6, 2022

Hi @isabelcosta @vj-codes Can you please review ?

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@isabelcosta isabelcosta Awaiting requested review from isabelcosta isabelcosta is a code owner

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Use paging 3 for members list
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