Develop

LLSimpleCamera.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "LLSimpleCamera"
-  s.version      = "1.0.0"
+  s.version      = "1.1.0"
   s.summary      = "LLSimpleCamera: A simple customizable camera control."
   s.description  = <<-DESC
                    LLSimpleCamera is a library for creating a customized camera screens similar to snapchat's. You don't have to present the camera in a new view controller.
@@ -15,7 +15,7 @@ hides the nitty gritty details from the developer
   s.license      = { :type => 'APACHE', :file => 'LICENSE' }
   s.author       = { "Ömer Faruk Gül" => "omer.gul@louvredigital.com" }
   s.platform     = :ios,'7.0'
-  s.source       = { :git => "https://github.com/omergul123/LLSimpleCamera.git", :tag => "v1.0.0" }
+  s.source       = { :git => "https://github.com/omergul123/LLSimpleCamera.git", :tag => "v1.1.0" }
   s.source_files  = 'LLSimpleCamera/*.{h,m}'
   s.requires_arc = true
   s.framework = 'AVFoundation'

LLSimpleCamera/LLSimpleCamera.m

@@ -15,12 +15,11 @@ @interface LLSimpleCamera ()
 @property (strong, nonatomic) UIView *preview;
 @property (strong, nonatomic) AVCaptureStillImageOutput *stillImageOutput;
 @property (strong, nonatomic) AVCaptureSession *session;
-@property (strong, nonatomic) AVCaptureDevice *captureDevice;
 @property (strong, nonatomic) AVCaptureVideoPreviewLayer *captureVideoPreviewLayer;
 @end
 
 @implementation LLSimpleCamera
-@synthesize captureDevice = _captureDevice;
+//@synthesize captureDevice = _captureDevice;
 
 - (instancetype)initWithQuality:(CameraQuality)quality {
     self = [super initWithNibName:nil bundle:nil];
@@ -91,30 +90,46 @@ - (void)start {
         [self.preview.layer addSublayer:captureVideoPreviewLayer];
 
         self.captureVideoPreviewLayer = captureVideoPreviewLayer;
-
-        _captureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
-
-        NSError *error = nil;
-        AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:self.captureDevice error:&error];
-
-        if (!input) {
-            // Handle the error appropriately.
-            NSLog(@"ERROR: trying to open camera: %@", error);
-            return;
-        }
-        [self.session addInput:input];
-
-        self.stillImageOutput = [[AVCaptureStillImageOutput alloc] init];
-        NSDictionary *outputSettings = [[NSDictionary alloc] initWithObjectsAndKeys: AVVideoCodecJPEG, AVVideoCodecKey, nil];
-        [self.stillImageOutput setOutputSettings:outputSettings];
-        [self.session addOutput:self.stillImageOutput];
     }
 
+    // init default device
+    AVCaptureDevice *captureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
+    [self changeCameraDevice:captureDevice];
+
+    // output settings
+    self.stillImageOutput = [[AVCaptureStillImageOutput alloc] init];
+    NSDictionary *outputSettings = [[NSDictionary alloc] initWithObjectsAndKeys: AVVideoCodecJPEG, AVVideoCodecKey, nil];
+    [self.stillImageOutput setOutputSettings:outputSettings];
+    [self.session addOutput:self.stillImageOutput];
+
+    // run
     [self.session startRunning];
 }
 
-// stop session
+- (void)changeCameraDevice:(AVCaptureDevice *)captureDevice {
+    NSError *error = nil;
+    AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:captureDevice error:&error];
+
+    if (!input) {
+        // Handle the error appropriately.
+        NSLog(@"ERROR: trying to open camera: %@", error);
+        return;
+    }
+    [self.session addInput:input];
+
+    if(self.delegate) {
+        if ([self.delegate respondsToSelector:@selector(cameraViewController:didChangeDevice:)]) {
+            [self.delegate cameraViewController:self didChangeDevice:captureDevice];
+        }
+    }
+}
+
+// stop the camera, otherwise it will lead to memory crashes
 - (void)stop {
+    AVCaptureInput* input = [self.session.inputs objectAtIndex:0];
+    [self.session removeInput:input];
+    AVCaptureVideoDataOutput* output = [self.session.outputs objectAtIndex:0];
+    [self.session removeOutput:output];
     [self.session stopRunning];
 }
 
@@ -168,16 +183,6 @@ -(void)capture {
      }];
 }
 
-- (void)setCaptureDevice:(AVCaptureDevice *)captureDevice {
-    _captureDevice = captureDevice;
-
-    if(self.delegate) {
-        if ([self.delegate respondsToSelector:@selector(cameraViewController:didChangeDevice:)]) {
-            [self.delegate cameraViewController:self didChangeDevice:captureDevice];
-        }
-    }
-}
-
 - (BOOL)isFlashAvailable {
     AVCaptureInput* currentCameraInput = [self.session.inputs objectAtIndex:0];
     AVCaptureDeviceInput *deviceInput = (AVCaptureDeviceInput *)currentCameraInput;
@@ -208,7 +213,7 @@ -(void)setCameraFlash:(CameraFlash)cameraFlash {
 
     [deviceInput.device unlockForConfiguration];
 
-    //Commit all the configuration changes at once
+    // commit all the configuration changes at once
     [self.session commitConfiguration];
 }
 
@@ -240,36 +245,31 @@ - (void)setCameraPosition:(CameraPosition)cameraPosition
         return;
     }
 
-    //Indicate that some changes will be made to the session
     [self.session beginConfiguration];
 
-    //Remove existing input
+    // remove existing input
     AVCaptureInput* currentCameraInput = [self.session.inputs objectAtIndex:0];
     [self.session removeInput:currentCameraInput];
 
-    //Get new input
-    AVCaptureDevice *newCamera = nil;
+    // get the new input
+    AVCaptureDevice *newCaptureDevice = nil;
     if(((AVCaptureDeviceInput*)currentCameraInput).device.position == AVCaptureDevicePositionBack) {
-        newCamera = [self cameraWithPosition:AVCaptureDevicePositionFront];
+        newCaptureDevice = [self cameraWithPosition:AVCaptureDevicePositionFront];
     }
     else {
-        newCamera = [self cameraWithPosition:AVCaptureDevicePositionBack];
+        newCaptureDevice = [self cameraWithPosition:AVCaptureDevicePositionBack];
     }
 
-    if(!newCamera) {
+    if(!newCaptureDevice) {
         return;
     }
 
     _cameraPosition = cameraPosition;
 
-    // add input to session
-    AVCaptureDeviceInput *newVideoInput = [[AVCaptureDeviceInput alloc] initWithDevice:newCamera error:nil];
-    [self.session addInput:newVideoInput];
+    [self changeCameraDevice:newCaptureDevice];
 
     // commit changes
     [self.session commitConfiguration];
-
-    self.captureDevice = newCamera;
 }
 
 

LLSimpleCameraExample/HomeViewController.m

@@ -107,8 +107,10 @@ - (void)snapButtonPressed:(UIButton *)button {
 - (void)cameraViewController:(LLSimpleCamera *)cameraVC didCaptureImage:(UIImage *)image {
 
     // we should stop the camera, since we don't need it anymore. We will open a new vc.
+    // this very important, otherwise you may experience memory crashes
     [self.camera stop];
 
+    // show the image
     ImageViewController *imageVC = [[ImageViewController alloc] initWithImage:image];
     [self presentViewController:imageVC animated:NO completion:nil];
 }