Fixes #4624, #4741, #4461 : Dark mode implementation - Topic Lessons, Topic Revision, Revision Card, Story Activity, Resume Lesson

[MohitGupta121]

Explanation

Dark mode implementation - Topic Lessons, Topic Revision, Revision Card, Story Activity, Resume Lesson

Fixes #4624 : Add dark mode support to Lesson Tab
Fixes #4741 : Contrast issue in Continue Studying text on revision screen
Fixes #4461 : TextView & Toolbar color changes in Topic screen

Essential Checklist

• 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: ...".)
• Any changes to scripts/assets files have their rationale included in the PR explanation.
• The PR follows the style guide.
• The PR does not contain any unnecessary code changes from Android Studio (reference).
• The PR is made from a branch that's not called "develop" and is up-to-date with "develop".
• The PR is assigned to the appropriate reviewers (reference).

For UI-specific PRs only

Topic Lessons

Topic Revision

Revision Card

Story Activity

Resume Lesson

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)
• Add a video showing the full UX flow with a screen reader enabled (see accessibility guide)
• Add a screenshot demonstrating that you ran affected Espresso tests locally & that they're passing

[MohitGupta121]

@rt4914 I added changes as per your review.
Can you PTAL.
Thanks.

[rt4914]

Reviewed again. Reply to all open comments after changes.

[MohitGupta121]

@rt4914 update the changes as per review and screenshots.
PTAL, Thanks.

[rt4914]

LGTM, Thanks. Great work.