Issue #270: OS 10 requires Camera permission reason

README.md

@@ -9,7 +9,7 @@ Follows the [Cordova Plugin spec](https://cordova.apache.org/docs/en/latest/plug
 
 ## Installation
 
-    
+
 This requires phonegap 5.0+ ( current stable v3.0.0 )
 
     phonegap plugin add phonegap-plugin-barcodescanner
@@ -42,11 +42,22 @@ Note: Windows 10 applications can not be build for `AnyCPU` architecture, which
 cordova run windows -- --archs=x86
 ```
 
+Note: Since iOS 10 it's mandatory to add a `NSCameraUsageDescription` in the info.plist.
+
+`NSCameraUsageDescription` describes the reason that the app accesses the user’s camera.
+When the system prompts the user to allow access, this string is displayed as part of the dialog box.
+
+To add this entry you can pass the following variable on plugin install.
+
+```
+cordova plugin add phonegap-plugin-barcodescanner --variable CAMERA_USAGE_DESCRIPTION="To scan barcodes"
+```
+
 ### PhoneGap Build
 If you're using [PhoneGap Build](https://build.phonegap.com/) please make sure you specify `gradle` as your Android build tool in `config.xml`: `<preference name="android-build-tool" value="gradle" />`.
 
 ## Using the plugin ##
-The plugin creates the object `cordova/plugin/BarcodeScanner` with the method `scan(success, fail)`. 
+The plugin creates the object `cordova/plugin/BarcodeScanner` with the method `scan(success, fail)`.
 
 The following barcode types are currently supported:
 ### Android
@@ -138,7 +149,7 @@ A full example could be:
                 "Result: " + result.text + "\n" +
                 "Format: " + result.format + "\n" +
                 "Cancelled: " + result.cancelled);
-      }, 
+      },
       function (error) {
           alert("Scanning failed: " + error);
       },
@@ -154,7 +165,7 @@ A full example could be:
 
 ## Encoding a Barcode ##
 
-The plugin creates the object `cordova.plugins.barcodeScanner` with the method `encode(type, data, success, fail)`. 
+The plugin creates the object `cordova.plugins.barcodeScanner` with the method `encode(type, data, success, fail)`.
 
 Supported encoding types:
 
@@ -186,7 +197,7 @@ Cancelling a scan on BlackBerry 10 is done by touching the screen.
 
 ## Thanks on Github ##
 
-So many -- check out the original [iOS](https://github.com/phonegap/phonegap-plugins/tree/DEPRECATED/iOS/BarcodeScanner),  [Android](https://github.com/phonegap/phonegap-plugins/tree/DEPRECATED/Android/BarcodeScanner) and 
+So many -- check out the original [iOS](https://github.com/phonegap/phonegap-plugins/tree/DEPRECATED/iOS/BarcodeScanner),  [Android](https://github.com/phonegap/phonegap-plugins/tree/DEPRECATED/Android/BarcodeScanner) and
 [BlackBerry 10](https://github.com/blackberry/WebWorks-Community-APIs/tree/master/BB10-Cordova/BarcodeScanner) repos.
 
 ## Licence ##

plugin.xml

@@ -11,6 +11,8 @@
     <repo>https://github.com/phonegap/phonegap-plugin-barcodescanner</repo>
     <issue>https://github.com/phonegap/phonegap-plugin-barcodescanner/issues</issue>
 
+    <preference name="CAMERA_USAGE_DESCRIPTION" default=" " />
+
     <engines>
         <engine name="cordova" version=">=3.0.0" />
     </engines>
@@ -30,7 +32,7 @@
 
         <!-- Usage description of the Camera, mandatory since iOS 10 -->
         <config-file target="*-Info.plist" parent="NSCameraUsageDescription">
-            <string/>
+            <string>$CAMERA_USAGE_DESCRIPTION</string>
         </config-file>
 
         <resource-file src="src/ios/scannerOverlay.xib" />