Address Gemini code assist recommendations

[alabiaga]

Change-Id: Idd34787d0ff31601fc09d034a69cdd20e8287be8

[gemini-code-assist]

Summary of Changes

Hello @alabiaga, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on improving the code quality and maintainability of the sharing functionality within the samples/user-interface/share module. It incorporates recommendations from Gemini code assist, primarily by refactoring conditional logic for better readability and introducing constants to eliminate magic values, resulting in cleaner and more robust code.

Highlights

• Code Readability and Conciseness: Refactored the ShareResultReceiver class to use Kotlin's ?.let scope function for handling nullable ChooserResult objects, making the logging logic more concise and readable.
• Removal of Unused Code: Removed the CHOOSER_RESULT_UNKNOWN constant and its corresponding import, as it was no longer utilized in the ShareResultReceiver.
• Improved Maintainability with Constants: Introduced private const val declarations for plain text content, type, and a request code in ShareSender.kt, replacing hardcoded string literals and integers to enhance code maintainability and reduce magic values.

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[gemini-code-assist]

Code Review

This pull request refactors the sharing logic based on recommendations from Gemini Code Assist. The changes include removing unused imports, using idiomatic Kotlin constructs like let, and replacing magic strings and numbers with named constants. These are all positive changes that improve code quality and maintainability. I have one suggestion to apply the new constants more broadly for better consistency within the file.

[gemini-code-assist]

It's great that you've extracted these magic values into constants. To improve consistency across the file, I'd suggest two further improvements:

1. Use the new constants PLAIN_TEXT_TYPE and PLAIN_TEXT_CONTENT in the knowReceiver function, which currently uses the same hardcoded strings.
2. The knowReceiver function also uses a magic number 1 for its PendingIntent request code. Consider extracting this into a named constant as well, similar to what you've done with SHARE_TEXT_REQUEST_CODE.