Updates for React Native 0.3.11 updates. Major breaking changes here. Emphasis on the breaking.
This commit is contained in:
Lochlan Wansbrough
parent
b6cac4fa9a
commit
488e5327f7
13
RCTCamera.h
13
RCTCamera.h
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@ -1,23 +1,14 @@
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#import <UIKit/UIKit.h>
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#import <AVFoundation/AVFoundation.h>
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#import "ViewfinderView.h"
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#import "UIView+React.h"
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@class RCTCameraManager;
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@interface RCTCamera : UIView
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@property (nonatomic) ViewfinderView *viewfinder;
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@property (nonatomic) dispatch_queue_t sessionQueue;
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@property (nonatomic) AVCaptureSession *session;
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@property (nonatomic) AVCaptureDeviceInput *captureDeviceInput;
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@property (nonatomic) AVCaptureStillImageOutput *stillImageOutput;
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@property (nonatomic) id runtimeErrorHandlingObserver;
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@property (nonatomic) NSInteger presetCamera;
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@property (nonatomic) RCTCameraManager *manager;
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- (void)changeCamera:(NSInteger)camera;
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- (void)changeOrientation:(NSInteger)orientation;
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- (AVCaptureDevice *)deviceWithMediaType:(NSString *)mediaType preferringPosition:(AVCaptureDevicePosition)position;
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- (void)takePicture:(RCTResponseSenderBlock)callback;
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- (id)initWithManager:(RCTCameraManager*)manager;
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@end
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212
RCTCamera.m
212
RCTCamera.m
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@ -4,101 +4,51 @@
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#import "RCTLog.h"
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#import "RCTUtils.h"
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#import "ViewfinderView.h"
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#import "UIImage+Resize.h"
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#import <AVFoundation/AVFoundation.h>
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@implementation RCTCamera
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- (void)setAspect:(NSString *)aspect
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{
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[(AVCaptureVideoPreviewLayer *)[[self viewfinder] layer] setVideoGravity:aspect];
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[(AVCaptureVideoPreviewLayer *)[_viewfinder layer] setVideoGravity:aspect];
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}
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- (void)setType:(NSInteger)camera
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{
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if ([[self session] isRunning]) {
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[self changeCamera:camera];
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if (self.manager.session.isRunning) {
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[self.manager changeCamera:camera];
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}
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else {
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[self setPresetCamera:camera];
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self.manager.presetCamera = camera;
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}
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}
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- (void)setOrientation:(NSInteger)orientation
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{
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[self changeOrientation:orientation];
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[self.manager changeOrientation:orientation];
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}
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- (id)init
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- (id)initWithManager:(RCTCameraManager*)manager
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{
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if ((self = [super init])) {
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[self setViewfinder:[[ViewfinderView alloc] init]];
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[self setSession:[[AVCaptureSession alloc] init]];
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[[self session] setSessionPreset:AVCaptureSessionPresetHigh];
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[[self viewfinder] setSession:[self session]];
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[self addSubview:[self viewfinder]];
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[[self session] startRunning];
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dispatch_queue_t sessionQueue = dispatch_queue_create("cameraManagerQueue", DISPATCH_QUEUE_SERIAL);
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[self setSessionQueue:sessionQueue];
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dispatch_async(sessionQueue, ^{
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NSError *error = nil;
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NSInteger presetCamera = [self presetCamera];
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if ([self presetCamera] == AVCaptureDevicePositionUnspecified) {
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presetCamera = AVCaptureDevicePositionBack;
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}
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AVCaptureDevice *captureDevice = [self deviceWithMediaType:AVMediaTypeVideo preferringPosition:presetCamera];
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AVCaptureDeviceInput *captureDeviceInput = [AVCaptureDeviceInput deviceInputWithDevice:captureDevice error:&error];
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if (error)
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{
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NSLog(@"%@", error);
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}
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if ([[self session] canAddInput:captureDeviceInput])
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{
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[[self session] addInput:captureDeviceInput];
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[self setCaptureDeviceInput:captureDeviceInput];
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}
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AVCaptureStillImageOutput *stillImageOutput = [[AVCaptureStillImageOutput alloc] init];
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if ([[self session] canAddOutput:stillImageOutput])
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{
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[stillImageOutput setOutputSettings:@{AVVideoCodecKey : AVVideoCodecJPEG}];
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[[self session] addOutput:stillImageOutput];
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[self setStillImageOutput:stillImageOutput];
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}
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__weak RCTCamera *weakSelf = self;
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[self setRuntimeErrorHandlingObserver:[[NSNotificationCenter defaultCenter] addObserverForName:AVCaptureSessionRuntimeErrorNotification object:[self session] queue:nil usingBlock:^(NSNotification *note) {
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RCTCamera *strongSelf = weakSelf;
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dispatch_async([strongSelf sessionQueue], ^{
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// Manually restarting the session since it must have been stopped due to an error.
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[[strongSelf session] startRunning];
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});
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}]];
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});
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self.manager = manager;
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self.viewfinder = [[ViewfinderView alloc] init];
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self.viewfinder.session = self.manager.session;
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}
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return self;
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}
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- (NSArray *)reactSubviews
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{
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NSArray *subviews = @[[self viewfinder]];
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NSArray *subviews = @[self.viewfinder];
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return subviews;
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}
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- (void)layoutSubviews
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{
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[super layoutSubviews];
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[[self viewfinder] setFrame:[self bounds]];
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[self.viewfinder setFrame:self.bounds];
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}
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- (void)insertReactSubview:(UIView *)view atIndex:(NSInteger)atIndex
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@ -113,142 +63,4 @@
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return;
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}
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- (void)changeCamera:(NSInteger)camera {
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dispatch_async([self sessionQueue], ^{
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AVCaptureDevice *currentCaptureDevice = [[self captureDeviceInput] device];
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AVCaptureDevicePosition position = (AVCaptureDevicePosition)camera;
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AVCaptureDevice *captureDevice = [self deviceWithMediaType:AVMediaTypeVideo preferringPosition:(AVCaptureDevicePosition)position];
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NSError *error = nil;
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AVCaptureDeviceInput *captureDeviceInput = [AVCaptureDeviceInput deviceInputWithDevice:captureDevice error:&error];
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if (error)
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{
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NSLog(@"%@", error);
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}
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[[self session] beginConfiguration];
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[[self session] removeInput:[self captureDeviceInput]];
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if ([[self session] canAddInput:captureDeviceInput])
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureDeviceSubjectAreaDidChangeNotification object:currentCaptureDevice];
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[self setFlashMode:AVCaptureFlashModeAuto forDevice:captureDevice];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(subjectAreaDidChange:) name:AVCaptureDeviceSubjectAreaDidChangeNotification object:captureDevice];
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[[self session] addInput:captureDeviceInput];
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[self setCaptureDeviceInput:captureDeviceInput];
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}
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else
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{
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[[self session] addInput:[self captureDeviceInput]];
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}
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[[self session] commitConfiguration];
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});
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}
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- (void)changeOrientation:(NSInteger)orientation {
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[[(AVCaptureVideoPreviewLayer *)[[self viewfinder] layer] connection] setVideoOrientation:orientation];
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}
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- (void)takePicture:(RCTResponseSenderBlock)callback {
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dispatch_async([self sessionQueue], ^{
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// Update the orientation on the still image output video connection before capturing.
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[[[self stillImageOutput] connectionWithMediaType:AVMediaTypeVideo] setVideoOrientation:[[(AVCaptureVideoPreviewLayer *)[[self viewfinder] layer] connection] videoOrientation]];
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// Flash set to Auto for Still Capture
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[self setFlashMode:AVCaptureFlashModeAuto forDevice:[[self captureDeviceInput] device]];
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// Capture a still image.
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[[self stillImageOutput] captureStillImageAsynchronouslyFromConnection:[[self stillImageOutput] connectionWithMediaType:AVMediaTypeVideo] completionHandler:^(CMSampleBufferRef imageDataSampleBuffer, NSError *error) {
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if (imageDataSampleBuffer)
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{
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NSData *imageData = [AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:imageDataSampleBuffer];
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UIImage *image = [UIImage imageWithData:imageData];
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UIImage *rotatedImage = [image resizedImage:CGSizeMake(image.size.width, image.size.height) interpolationQuality:kCGInterpolationDefault];
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NSString *imageBase64 = [UIImageJPEGRepresentation(rotatedImage, 1.0) base64EncodedStringWithOptions:0];
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callback(@[[NSNull null], imageBase64]);
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}
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else {
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callback(@[RCTMakeError([error description], nil, nil)]);
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}
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}];
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});
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}
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- (AVCaptureDevice *)deviceWithMediaType:(NSString *)mediaType preferringPosition:(AVCaptureDevicePosition)position
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{
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NSArray *devices = [AVCaptureDevice devicesWithMediaType:mediaType];
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AVCaptureDevice *captureDevice = [devices firstObject];
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for (AVCaptureDevice *device in devices)
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{
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if ([device position] == position)
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{
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captureDevice = device;
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break;
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}
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}
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return captureDevice;
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}
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- (void)setFlashMode:(AVCaptureFlashMode)flashMode forDevice:(AVCaptureDevice *)device
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{
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if ([device hasFlash] && [device isFlashModeSupported:flashMode])
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{
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NSError *error = nil;
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if ([device lockForConfiguration:&error])
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{
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[device setFlashMode:flashMode];
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[device unlockForConfiguration];
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}
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else
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{
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NSLog(@"%@", error);
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}
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}
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}
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- (void)subjectAreaDidChange:(NSNotification *)notification
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{
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CGPoint devicePoint = CGPointMake(.5, .5);
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[self focusWithMode:AVCaptureFocusModeContinuousAutoFocus exposeWithMode:AVCaptureExposureModeContinuousAutoExposure atDevicePoint:devicePoint monitorSubjectAreaChange:NO];
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}
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- (void)focusWithMode:(AVCaptureFocusMode)focusMode exposeWithMode:(AVCaptureExposureMode)exposureMode atDevicePoint:(CGPoint)point monitorSubjectAreaChange:(BOOL)monitorSubjectAreaChange
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{
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dispatch_async([self sessionQueue], ^{
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AVCaptureDevice *device = [[self captureDeviceInput] device];
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NSError *error = nil;
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if ([device lockForConfiguration:&error])
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{
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if ([device isFocusPointOfInterestSupported] && [device isFocusModeSupported:focusMode])
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{
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[device setFocusMode:focusMode];
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[device setFocusPointOfInterest:point];
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}
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if ([device isExposurePointOfInterestSupported] && [device isExposureModeSupported:exposureMode])
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{
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[device setExposureMode:exposureMode];
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[device setExposurePointOfInterest:point];
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}
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[device setSubjectAreaChangeMonitoringEnabled:monitorSubjectAreaChange];
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[device unlockForConfiguration];
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}
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else
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{
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NSLog(@"%@", error);
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}
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});
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}
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@end
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@ -5,7 +5,17 @@
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@interface RCTCameraManager : RCTViewManager
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@property (nonatomic) dispatch_queue_t sessionQueue;
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@property (nonatomic) AVCaptureSession *session;
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@property (nonatomic) AVCaptureDeviceInput *captureDeviceInput;
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@property (nonatomic) AVCaptureStillImageOutput *stillImageOutput;
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@property (nonatomic) id runtimeErrorHandlingObserver;
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@property (nonatomic) NSInteger presetCamera;
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@property (nonatomic) RCTCamera *currentCamera;
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- (void)changeCamera:(NSInteger)camera;
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- (void)changeOrientation:(NSInteger)orientation;
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- (AVCaptureDevice *)deviceWithMediaType:(NSString *)mediaType preferringPosition:(AVCaptureDevicePosition)position;
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- (void)takePicture:(RCTResponseSenderBlock)callback;
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@end
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@ -2,15 +2,19 @@
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#import "RCTCamera.h"
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#import "RCTBridge.h"
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#import "RCTUtils.h"
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#import "RCTLog.h"
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#import "UIView+React.h"
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#import "UIImage+Resize.h"
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#import <AVFoundation/AVFoundation.h>
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@implementation RCTCameraManager
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RCT_EXPORT_MODULE();
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- (UIView *)view
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{
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[self setCurrentCamera:[[RCTCamera alloc] init]];
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return _currentCamera;
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self.currentCamera = [[RCTCamera alloc] initWithManager:self];
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return self.currentCamera;
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}
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RCT_EXPORT_VIEW_PROPERTY(aspect, NSString);
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@ -38,8 +42,60 @@ RCT_EXPORT_VIEW_PROPERTY(orientation, NSInteger);
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};
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}
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- (void)checkDeviceAuthorizationStatus:(RCTResponseSenderBlock) callback {
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RCT_EXPORT();
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- (id)init {
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if ((self = [super init])) {
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self.session = [AVCaptureSession new];
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self.session.sessionPreset = AVCaptureSessionPresetHigh;
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self.sessionQueue = dispatch_queue_create("cameraManagerQueue", DISPATCH_QUEUE_SERIAL);
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dispatch_async(self.sessionQueue, ^{
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NSError *error = nil;
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if (self.presetCamera == AVCaptureDevicePositionUnspecified) {
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self.presetCamera = AVCaptureDevicePositionBack;
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}
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AVCaptureDevice *captureDevice = [self deviceWithMediaType:AVMediaTypeVideo preferringPosition:self.presetCamera];
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AVCaptureDeviceInput *captureDeviceInput = [AVCaptureDeviceInput deviceInputWithDevice:captureDevice error:&error];
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if (error)
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{
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NSLog(@"%@", error);
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}
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if ([self.session canAddInput:captureDeviceInput])
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{
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[self.session addInput:captureDeviceInput];
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self.captureDeviceInput = captureDeviceInput;
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}
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AVCaptureStillImageOutput *stillImageOutput = [[AVCaptureStillImageOutput alloc] init];
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if ([self.session canAddOutput:stillImageOutput])
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{
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stillImageOutput.outputSettings = @{AVVideoCodecKey : AVVideoCodecJPEG};
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[self.session addOutput:stillImageOutput];
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self.stillImageOutput = stillImageOutput;
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}
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__weak RCTCameraManager *weakSelf = self;
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[self setRuntimeErrorHandlingObserver:[NSNotificationCenter.defaultCenter addObserverForName:AVCaptureSessionRuntimeErrorNotification object:self.session queue:nil usingBlock:^(NSNotification *note) {
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RCTCameraManager *strongSelf = weakSelf;
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dispatch_async(strongSelf.sessionQueue, ^{
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// Manually restarting the session since it must have been stopped due to an error.
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[strongSelf.session startRunning];
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});
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}]];
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[self.session startRunning];
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});
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}
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return self;
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}
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RCT_EXPORT_METHOD(checkDeviceAuthorizationStatus:(RCTResponseSenderBlock) callback)
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{
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NSString *mediaType = AVMediaTypeVideo;
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[AVCaptureDevice requestAccessForMediaType:mediaType completionHandler:^(BOOL granted) {
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@ -48,21 +104,131 @@ RCT_EXPORT_VIEW_PROPERTY(orientation, NSInteger);
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}
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- (void)switchCamera:(NSInteger)camera
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{
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RCT_EXPORT();
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[_currentCamera changeCamera:camera];
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RCT_EXPORT_METHOD(changeCamera:(NSInteger)camera) {
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AVCaptureDevice *currentCaptureDevice = [self.captureDeviceInput device];
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AVCaptureDevicePosition position = (AVCaptureDevicePosition)camera;
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AVCaptureDevice *captureDevice = [self deviceWithMediaType:AVMediaTypeVideo preferringPosition:(AVCaptureDevicePosition)position];
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NSError *error = nil;
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AVCaptureDeviceInput *captureDeviceInput = [AVCaptureDeviceInput deviceInputWithDevice:captureDevice error:&error];
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if (error)
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{
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NSLog(@"%@", error);
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}
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[self.session beginConfiguration];
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[self.session removeInput:self.captureDeviceInput];
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if ([self.session canAddInput:captureDeviceInput])
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{
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[NSNotificationCenter.defaultCenter removeObserver:self name:AVCaptureDeviceSubjectAreaDidChangeNotification object:currentCaptureDevice];
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// [self setFlashMode:AVCaptureFlashModeAuto forDevice:captureDevice];
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[NSNotificationCenter.defaultCenter addObserver:self selector:@selector(subjectAreaDidChange:) name:AVCaptureDeviceSubjectAreaDidChangeNotification object:captureDevice];
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[self.session addInput:captureDeviceInput];
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self.captureDeviceInput = captureDeviceInput;
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}
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else
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{
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[self.session addInput:self.captureDeviceInput];
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}
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[self.session commitConfiguration];
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}
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- (void)setOrientation:(NSInteger)orientation
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{
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RCT_EXPORT();
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[_currentCamera changeOrientation:orientation];
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RCT_EXPORT_METHOD(changeOrientation:(NSInteger)orientation) {
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((AVCaptureVideoPreviewLayer *)self.currentCamera.viewfinder.layer).connection.videoOrientation = orientation;
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}
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- (void)takePicture:(RCTResponseSenderBlock) callback {
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RCT_EXPORT();
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[_currentCamera takePicture:callback];
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RCT_EXPORT_METHOD(takePicture:(RCTResponseSenderBlock)callback) {
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[[self.stillImageOutput connectionWithMediaType:AVMediaTypeVideo] setVideoOrientation:((AVCaptureVideoPreviewLayer *)self.currentCamera.viewfinder.layer).connection.videoOrientation];
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[self.stillImageOutput captureStillImageAsynchronouslyFromConnection:[self.stillImageOutput connectionWithMediaType:AVMediaTypeVideo] completionHandler:^(CMSampleBufferRef imageDataSampleBuffer, NSError *error) {
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if (imageDataSampleBuffer)
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{
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NSData *imageData = [AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:imageDataSampleBuffer];
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UIImage *image = [UIImage imageWithData:imageData];
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UIImage *rotatedImage = [image resizedImage:CGSizeMake(image.size.width, image.size.height) interpolationQuality:kCGInterpolationDefault];
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NSString *imageBase64 = [UIImageJPEGRepresentation(rotatedImage, 1.0) base64EncodedStringWithOptions:0];
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callback(@[[NSNull null], imageBase64]);
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}
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else {
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callback(@[RCTMakeError(error.description, nil, nil)]);
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}
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}];
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}
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- (AVCaptureDevice *)deviceWithMediaType:(NSString *)mediaType preferringPosition:(AVCaptureDevicePosition)position
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{
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NSArray *devices = [AVCaptureDevice devicesWithMediaType:mediaType];
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AVCaptureDevice *captureDevice = [devices firstObject];
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for (AVCaptureDevice *device in devices)
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{
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if ([device position] == position)
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{
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captureDevice = device;
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break;
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}
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}
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return captureDevice;
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}
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|
||||
- (void)setFlashMode:(AVCaptureFlashMode)flashMode forDevice:(AVCaptureDevice *)device
|
||||
{
|
||||
if (device.hasFlash && [device isFlashModeSupported:flashMode])
|
||||
{
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error])
|
||||
{
|
||||
[device setFlashMode:flashMode];
|
||||
[device unlockForConfiguration];
|
||||
}
|
||||
else
|
||||
{
|
||||
NSLog(@"%@", error);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)subjectAreaDidChange:(NSNotification *)notification
|
||||
{
|
||||
CGPoint devicePoint = CGPointMake(.5, .5);
|
||||
[self focusWithMode:AVCaptureFocusModeContinuousAutoFocus exposeWithMode:AVCaptureExposureModeContinuousAutoExposure atDevicePoint:devicePoint monitorSubjectAreaChange:NO];
|
||||
}
|
||||
|
||||
- (void)focusWithMode:(AVCaptureFocusMode)focusMode exposeWithMode:(AVCaptureExposureMode)exposureMode atDevicePoint:(CGPoint)point monitorSubjectAreaChange:(BOOL)monitorSubjectAreaChange
|
||||
{
|
||||
dispatch_async([self sessionQueue], ^{
|
||||
AVCaptureDevice *device = [[self captureDeviceInput] device];
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error])
|
||||
{
|
||||
if ([device isFocusPointOfInterestSupported] && [device isFocusModeSupported:focusMode])
|
||||
{
|
||||
[device setFocusMode:focusMode];
|
||||
[device setFocusPointOfInterest:point];
|
||||
}
|
||||
if ([device isExposurePointOfInterestSupported] && [device isExposureModeSupported:exposureMode])
|
||||
{
|
||||
[device setExposureMode:exposureMode];
|
||||
[device setExposurePointOfInterest:point];
|
||||
}
|
||||
[device setSubjectAreaChangeMonitoringEnabled:monitorSubjectAreaChange];
|
||||
[device unlockForConfiguration];
|
||||
}
|
||||
else
|
||||
{
|
||||
NSLog(@"%@", error);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,11 @@
|
|||
# react-native-camera
|
||||
|
||||
A camera viewport for React Native. This module is currently in the very early stages of development.
|
||||
A camera viewport for React Native. This module is currently in the very early stages of development. **Module is blowing up right now with recent changes from the core React Native team. Change is good! But it's breaking this module. Be warned.**
|
||||
|
||||
## Known Issues
|
||||
Below is a list of known issues. Pull requests are welcome for any of these issues!
|
||||
|
||||
- `takePicture()` crashes on `react-native >= 0.3.5`
|
||||
- Viewfinder *does not work*. This is a temporary issue that I'm resolving, but right now it will appear as the module is not working. The camera does in fact work though.
|
||||
- [Camera module may cause app to crash in simulator](https://github.com/lwansbrough/react-native-camera/issues/8)
|
||||
|
||||
## Getting started
|
||||
|
|
|
|||
Loading…
Reference in New Issue