fix: android auto responsive sheet size

[lovegaoshi]

this PR implements the strategy mentioned in #192 (comment) to auto adjust bottom sheet height on content height change. I replaced when the only size is "auto"'s bottomsheetbehavior to COLLAPSED instead of EXPANDED, so its height can be adjusted after the sheet is shown.

test is done using a custom component in my app instead of the test code mentioned in the above PR/linked issue, but the idea is the same.

Screen.Recording.2025-07-01.204012.mp4

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[codeclimate]

Code Climate has analyzed commit 4f93ae4 and detected 4 issues on this pull request.

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Category	Count
Complexity	2
Duplication	2

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[lodev09]

Thanks @lovegaoshi. I'll test over the weekend.

[lodev09]

@lovegaoshi tested and works. however, it is now draggable to full screen height. Can we disable that and have it draggable up until specified max height?

[lovegaoshi]

I dont know if that is technically feasible - that requires changing maxHeight which per documentation should only be specified when the sheet is closed. Perhaps there are hacks that either

• disable bottomsheet.behavior.EXPANDED
• or combine this with the setMaxHeight approach from Make android sheet reactive to height changes #192 on content size change hoping as bottomsheet.behavior is still in COLLAPSED it wont trigger layout changes.
  but anyways i suspect hacks will be involved.

[lodev09]

Yeah, try 2nd option. It might be advised to only set maxHeight when closed due for UX purposes since it can't be animated (bad UI for the user). Since we don't get any error so I guess it's kinda "ok" 😅