Signal-android: double-tap trashcan to delete

[titaniumbones]

I have:

• [x] searched open and closed issues for duplicates
• [x] read https://github.com/WhisperSystems/Signal-Android/wiki/Submitting-useful-bug-reports

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UI Change Request description

To delete messages, it is currently necessary to long-press the message, click the trashcan, then click the confirm button.

Textra uses a different UI that still requires active confirmation, but is somewhat quicker. The process is as follows:

• select one or more messages
• tap the trashcan. The trashcan animates "open"
• tap the trashcan again. Messages are now deleted.

The double tap is still a confirmation, but is much smoother and quicker than the dialog. I have never deleted texts by accident, but the deletion process is fluid and easy.

Steps to reproduce

• select one or more messages
• tap trash can
• tap confirm button

Actual result:
Message is deleted, but with some effort
Expected result:
Message is still deleted, but faster and more fluidly.

Device info

Device: Honor 5x
Android version: CyanogenMod 13.1
Signal version: 3.23.0

Textra Feature

very short description in their help pages

[haffenloher]

Offering an "Undo" option instead of requiring confirmation would be even better: #3066

[automated-signal]

GitHub Issue Cleanup:
See #7598 for more information.