Fix keyboard showing after the search box acquiring focus

[dtcxzyw]

What is it?

• Bugfix (user facing)
• Feature (user facing)
• Codebase improvement (dev facing)
• Meta improvement to the project (dev facing)

Description of the changes in your PR

• The code block on onResume() for showing/hiding the soft keyboard failed in a specific scenario. It is because the current view of InputMethodManager is not searchEditText. This problem is handled just when searchEditText gets the focus.
• (Update) Fix the underlying problem as described in Keyboard doesn't open - Disabled animations #7647. It just tries again to request focus and show the soft keyboard when it fails.

Before/After Screenshots/Screen Record

• Before:

before-small-mute.mp4

• After:

after2-mute.mp4

Fixes the following issue(s)

• Fixes Keyboard doesn't open - Disabled animations #7647

APK testing

The APK can be found by going to the "Checks" tab below the title. On the left pane, click on "CI", scroll down to "artifacts" and click "app" to download the zip file which contains the debug APK of this PR.

Due diligence

• I read the contribution guidelines.

[litetex]

Thank you for the PR.

However:

• This PR does not fix the underlying problem Keyboard doesn't open - Disabled animations #7647 (comment) and only applies a questionable workaround.
  • As I can't verify that this workaround works correctly and this is only fixes the SearchFragment and not other places where the keyboard is shown, I would suggest you implement the fix from the above comment instead.
• If possible don't upload demo videos with background music

[dtcxzyw]

Thank @litetex for the review! I tried a similar fix on KeyboardUtil before this PR and it didn't work. But after I called cleanFocus() before re-requesting focus as you suggested, it worked fine. It does solve the problem without confusion compared to previous solutions. Please let me know if it's ready to be merged into the dev branch.

[litetex]

LGTM :)

[litetex]

To the merger: This should be squash merged.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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