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fix: AutoCompleteAdapter crash with a single-item list - #10
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ArrayAdapter wrapped the caller's list, so an immutable list such as listOf(x) made clear() throw UnsupportedOperationException while filtering. Pass a mutable copy instead, and add an instrumented regression test.
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Fixes #9.
AutoCompleteAdapterpassed the caller's list straight toArrayAdapter. An immutable list such aslistOf(x)madeclear()throwUnsupportedOperationExceptionwhile filtering. It now passes a mutable copy.Tested: new instrumented test (single-item and multi-item lists) on a Pixel 9, API 17 image. It fails on the old code and passes with the fix.