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[camerax] Implement exposure mode configuration #120468
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Implements retrieval of exposure and zoom camera information. Specifically, implements the following: - `getMinExposureOffset()` - `getMaxExposureOffset()` - `getExposureOffsetStepSize()` - `getMaxZoomLevel()` - `getMinZoomLevel()` Part of flutter/flutter#115846. Part of flutter/flutter#125371. Part of flutter/flutter#120468.
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Implements retrieval of exposure and zoom camera information. Specifically, implements the following: - `getMinExposureOffset()` - `getMaxExposureOffset()` - `getExposureOffsetStepSize()` - `getMaxZoomLevel()` - `getMinZoomLevel()` Part of flutter/flutter#115846. Part of flutter/flutter#125371. Part of flutter/flutter#120468.
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…ing focus & exposure points and offset (#5659) Wraps CameraX APIs needed to at least implement setting focus and exposure points and offset (`setFocusPoint`,`setExposurePoint`, `setExposureOffset`). Listed by class: `CameraControl` - [`startFocusAndMetering`](https://developer.android.com/reference/androidx/camera/core/CameraControl#startFocusAndMetering(androidx.camera.core.FocusMeteringAction)) - [`cancelFocusAndMetering`](https://developer.android.com/reference/androidx/camera/core/CameraControl#cancelFocusAndMetering()) - [`setExposureCompensationIndex`](https://developer.android.com/reference/androidx/camera/core/CameraControl#setExposureCompensationIndex(int)) `FocusMeteringAction` - `create` method for [this class](https://developer.android.com/reference/androidx/camera/core/FocusMeteringAction.Builder#Builder(androidx.camera.core.MeteringPoint,int)) `FocusMeteringResult` - `create` method for [this class](https://developer.android.com/reference/androidx/camera/core/FocusMeteringResult) - [`isFocusSuccessful`](https://developer.android.com/reference/kotlin/androidx/camera/core/FocusMeteringResult#isFocusSuccessful()) `MeteringPoint` - `create` method for the points that [`SurfaceOrientedMeteringPointFactory`](https://developer.android.com/reference/androidx/camera/core/SurfaceOrientedMeteringPointFactory) creates - [`getDefaultPointSize`](https://developer.android.com/reference/androidx/camera/core/MeteringPointFactory#getDefaultPointSize()) Part of flutter/flutter#120468 and flutter/flutter#120467.
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…ode (#5966) Wraps classes/methods needed to set capture request options that will allow us to implement setting the exposure mode, namely: **Camera2CameraControl** - `create` method using [`from`](https://developer.android.com/reference/androidx/camera/camera2/interop/Camera2CameraControl#from(androidx.camera.core.CameraControl)) - [`setCaptureRequestOptions`](https://developer.android.com/reference/androidx/camera/camera2/interop/Camera2CameraControl#setCaptureRequestOptions(androidx.camera.camera2.interop.CaptureRequestOptions)) **CaptureRequestOptions** - `create` method using its [builder](https://developer.android.com/reference/androidx/camera/camera2/interop/CaptureRequestOptions.Builder)* Part of flutter/flutter#120468. *Note that this required that I specify types of supported capture request options due to the Dart/native split. I took inspiration from our previous implementation of supported `LiveData` types (see [pigeon file](https://github.com/flutter/packages/blob/73c9bdc59b8d51ee558bff113bcdcdb53485cd08/packages/camera/camera_android_camerax/pigeons/camerax_library.dart#L80) for details).
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…eOffset` (#6059) This PR implements `setFocusPoint`, `setExposurePoint`, `setExposureOffset` and makes some small fixes here and there, each of which I have left a comment about for context. Part of flutter/flutter#120468 & flutter/flutter#120467. ~NOTE: Should land after #6068 done :)
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Implements `setExposureMode`. Fixes flutter/flutter#120468. ~To be landed after (1) #6059 then (2) #6109 Done :)
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Implements `setExposureMode`. Fixes flutter/flutter#120468. ~To be landed after (1) flutter#6059 then (2) flutter#6109 Done :)
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Labels
c: new feature
Nothing broken; request for a new capability
c: proposal
A detailed proposal for a change to Flutter
p: camera
The camera plugin
P1
High-priority issues at the top of the work list
package
flutter/packages repository. See also p: labels.
platform-android
Android applications specifically
team-android
Owned by Android platform team
triaged-android
Triaged by Android platform team
In the camera plugin, there are a number of methods related to retrieving information about the exposure mode and its configuration. These must be implemented in the CameraX plugin, as well:
setExposureMode(...)
setExposurePoint(...)
getMinExposureOffset(...)
getMaxExposureOffset(...)
getExposureOffsetStepSize(...)
setExposureOffset(...)
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