From 6ac4f9c8ccc60287a0d43c8dc822ff23823ebaa5 Mon Sep 17 00:00:00 2001 From: Sergei Shchurov <71126152+sichchurov@users.noreply.github.com> Date: Sun, 29 Oct 2023 22:57:49 +0300 Subject: [PATCH] Fix part of #5195: using viewLifecycleOwner (#5207) ## Explanation #### Fix part of #5195: using viewLifecycleOwner. It is not a good idea to use a fragment as a lifecycle owner when subscribing to liveData objects. It would be correct to use viewLifecycleOwner. Lint report before: Lint report after ## Essential Checklist - [x] The PR title and explanation each start with "Fix #bugnum: " (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".) - [x] Any changes to [scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets) files have their rationale included in the PR explanation. - [x] The PR follows the [style guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide). - [x] The PR does not contain any unnecessary code changes from Android Studio ([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)). - [x] The PR is made from a branch that's **not** called "develop" and is up-to-date with "develop". - [x] The PR is **assigned** to the appropriate reviewers ([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)). ## For UI-specific PRs only If your PR includes UI-related changes, then: - Add screenshots for portrait/landscape for both a tablet & phone of the before & after UI changes - For the screenshots above, include both English and pseudo-localized (RTL) screenshots (see [RTL guide](https://github.com/oppia/oppia-android/wiki/RTL-Guidelines)) - Add a video showing the full UX flow with a screen reader enabled (see [accessibility guide](https://github.com/oppia/oppia-android/wiki/Accessibility-A11y-Guide)) - For PRs introducing new UI elements or color changes, both light and dark mode screenshots must be included - Add a screenshot demonstrating that you ran affected Espresso tests locally & that they're passing --- .../oppia/android/app/survey/SurveyFragmentPresenter.kt | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/app/src/main/java/org/oppia/android/app/survey/SurveyFragmentPresenter.kt b/app/src/main/java/org/oppia/android/app/survey/SurveyFragmentPresenter.kt index 2d2b1ccca0f..88789ee130d 100644 --- a/app/src/main/java/org/oppia/android/app/survey/SurveyFragmentPresenter.kt +++ b/app/src/main/java/org/oppia/android/app/survey/SurveyFragmentPresenter.kt @@ -175,11 +175,10 @@ class SurveyFragmentPresenter @Inject constructor( private fun subscribeToCurrentQuestion() { ephemeralQuestionLiveData.observe( - fragment, - { - processEphemeralQuestionResult(it) - } - ) + fragment.viewLifecycleOwner + ) { + processEphemeralQuestionResult(it) + } } private fun processEphemeralQuestionResult(result: AsyncResult) {