feat: Flash with AE Pre-capture trigger for Android (#2558)
### Flash (`flash`) Adds `flash` functionality with a fully custom pre-capture AE/AF/AWB trigger sequence for Android. 🎉 ```ts camera.current.takePhoto({ flash: 'on' // or 'auto' }) ``` ### Better photos (`qualityPrioritization`) We now also run the AE/AF/AWB precapture sequence on every photo (unless `qualityPrioritization` is `speed`), meaning photos are now less blurry, properly exposed, and properly white-balanced - so in short: **photo quality is now better!**. The fast path still exists when using `qualityPrioritization: speed`, as that will skip the precapture sequence and metering actions and just grab an Image from the Camera as quickly as possible. Additionally, `qualityPrioritization` now controls these options: - [COLOR_CORRECTION_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#COLOR_CORRECTION_MODE) - [EDGE_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#EDGE_MODE) - [COLOR_CORRECTION_ABERRATION_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#COLOR_CORRECTION_ABERRATION_MODE) - [HOT_PIXEL_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#HOT_PIXEL_MODE) - [DISTORTION_CORRECTION_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#DISTORTION_CORRECTION_MODE) - [NOISE_REDUCTION_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#NOISE_REDUCTION_MODE) - [SHADING_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#SHADING_MODE) - [TONEMAP_MODE](https://developer.android.com/reference/android/hardware/camera2/CaptureRequest#TONEMAP_MODE) ..by setting them to `_FAST` or `_HIGH_QUALITY`, which was previously left untouched. This now means: - `takePhoto({ qualityPrioritization: 'speed' })` got FASTER 🚀 - `takePhoto({ qualityPrioritization: 'quality' })` got BETTER QUALITY 📸 - `takePhoto({ qualityPrioritization: 'balanced' })` is left unchanged ✅
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@@ -1,4 +1,4 @@
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import React, { useCallback, useMemo, useRef } from 'react'
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import React, { useCallback, useRef } from 'react'
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import { StyleSheet, View, ViewProps } from 'react-native'
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import {
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PanGestureHandler,
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@@ -19,7 +19,7 @@ import Reanimated, {
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useSharedValue,
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withRepeat,
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} from 'react-native-reanimated'
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import type { Camera, PhotoFile, TakePhotoOptions, VideoFile } from 'react-native-vision-camera'
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import type { Camera, PhotoFile, VideoFile } from 'react-native-vision-camera'
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import { CAPTURE_BUTTON_SIZE, SCREEN_HEIGHT, SCREEN_WIDTH } from './../Constants'
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const PAN_GESTURE_HANDLER_FAIL_X = [-SCREEN_WIDTH, SCREEN_WIDTH]
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@@ -58,15 +58,6 @@ const _CaptureButton: React.FC<Props> = ({
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const pressDownDate = useRef<Date | undefined>(undefined)
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const isRecording = useRef(false)
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const recordingProgress = useSharedValue(0)
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const takePhotoOptions = useMemo<TakePhotoOptions>(
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() => ({
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qualityPrioritization: 'speed',
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flash: flash,
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quality: 90,
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enableShutterSound: false,
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}),
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[flash],
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)
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const isPressingButton = useSharedValue(false)
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//#region Camera Capture
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@@ -75,12 +66,16 @@ const _CaptureButton: React.FC<Props> = ({
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if (camera.current == null) throw new Error('Camera ref is null!')
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console.log('Taking photo...')
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const photo = await camera.current.takePhoto(takePhotoOptions)
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const photo = await camera.current.takePhoto({
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qualityPrioritization: 'quality',
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flash: flash,
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enableShutterSound: false,
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})
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onMediaCaptured(photo, 'photo')
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} catch (e) {
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console.error('Failed to take photo!', e)
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}
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}, [camera, onMediaCaptured, takePhotoOptions])
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}, [camera, flash, onMediaCaptured])
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const onStoppedRecording = useCallback(() => {
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isRecording.current = false
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