Add QueueType.auto as default queueing - #304
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defaultPlatform resolves to a per-device queue on Android (its native BLE stack rejects overlapping operations) and to no queueing on all other platforms, which pipeline natively. It is now the default for both UniversalBle and UniversalBlePeripheral.
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rohitsangwan01
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Sep 8, 2026
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Fixes #297
Description
Adds a new
QueueType.autovalue that automatically selects the best queueing strategy per platform, without changing any native layer.mDeviceBusy, so serialization is required).none), since they pipeline natively. This eliminates the Dart-level head-of-line blocking that caused the write throughput degradation on Apple (see [Bug]: QueueType global and perDevice degradation on Apple #271).autois now the default for bothUniversalBle.queueTypeandUniversalBlePeripheral.queueType, achieving the issue's "zero-configuration concurrency" goal.Changes
lib/src/models/queue_type.dart: addedautoenum valuelib/src/utils/ble_command_queue.dart:_resolvedQueueTypegetter mapsauto→perDeviceon Android,noneelsewhere; new defaultlib/src/universal_ble.dart/lib/src/universal_ble_peripheral.dart: updated doc commentsexample/lib/home/home.dart: default toauto; toggle cycles all four valuesREADME.md/CHANGELOG.md: documented the new default and behaviortest/ble_command_queue_test.dart: existing default-global tests made explicit; added tests verifying Android queues per-device vs non-Android parallel (viadebugDefaultTargetPlatformOverride)Verification
flutter analyze— clean (package and example)flutter test— all 108 tests pass