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Camera2 API support #921

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The major change of this pull request contains the Camera2 API support for the sample.

  • Initially the idea was to replace the deprecated Camera with Camera2 API however later on I've found that older devices have Camera2 API support level at LEGACY and Camera API has better performance over there. So, decided to keep the Camera API support as well until the minimum support of sample app increase to Android 10.0 where Camera2 API non LEGACY support was enforced (for devices shipped with Android 10.0).
  • Apart from that, increased minimum android version support to Android 5.0 to align it with Camera2 API minimum support.
  • Increased the gradle version to 7.2.

miworking and others added 19 commits May 2, 2023 10:56
…iew multiple times) by using coroutine blocking mechanism.
… Main thread only to avoid any ambiguous behaviour and some code cleanup.
…mera2 API source because older Camera API source is required for devices where Camera2 API not supported at hardware level.

- Merged additional code base required for Camera2 API within original codebase (e.g. Camera2SourcePreview into CameraSourcePreview).
- Added picture size preference over preview size in GraphicOverlay for Camera2 API support.
…agment and pass it from currently used Camera source when opening it.
…ch required yuv to nv21 conversion before it can be used as bitmap.

Introduced ConfirmedObjectInfo class to fix the issue of accessing bitmap from frame data after it has been closed. It create a distinction between detected object and confirmed object. Also, started using this class at places where confirmed object required.
Moved imageData property from DetectedObjectInfo to ConfirmedObjectInfo. Also, fix a bitmap variable assignment issue in DetectedObjectInfo class.
…ge preference over previewSize if exists for Camera2APISource & GraphicOverlay to fix the issue in processing frames (could be due to higher resolution) by MLKit ObjectDetector.

- Revert the applicationId changes done for debugging purpose.
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3 participants