Real availability check on Android

README.md

@@ -106,7 +106,9 @@ You'll notice that the Promise will no longer receive the result as there may be
 ```
 
 ### function: available
-Note that the Android implementation will always return `true` at the moment.
+Note that the iOS implementation will always return `true` at the moment,
+on Android we actually check for a camera to be available.
+
 ```js
   var barcodescanner = require("nativescript-barcodescanner");
 

barcodescanner-common.js

@@ -2,12 +2,6 @@ var barcodescanner = {};
 
 // a few default implementations because not all platforms provide them
 
-barcodescanner.available = function () {
-  return new Promise(function (resolve) {
-    resolve(true);
-  });
-};
-
 barcodescanner.hasCameraPermission = function () {
   return new Promise(function (resolve) {
     resolve(true);

barcodescanner.android.js

@@ -1,13 +1,13 @@
 var barcodescanner = require("./barcodescanner-common");
 var appModule = require("application");
+var camModule = require("camera");
 
 var SCANNER_REQUEST_CODE = 444;
 var CAMERA_PERMISSION_REQUEST_CODE = 555;
 var broadcastManager;
 
 barcodescanner.rememberedContext = null;
 
-
 barcodescanner._cameraPermissionGranted = function () {
   var hasPermission = android.os.Build.VERSION.SDK_INT < 23; // Android M. (6.0)
   if (!hasPermission) {
@@ -17,6 +17,18 @@ barcodescanner._cameraPermissionGranted = function () {
   return hasPermission;
 };
 
+barcodescanner.available = function () {
+  return new Promise(function (resolve, reject) {
+    try {
+      resolve(camModule.isAvailable());
+    } catch (ex) {
+      console.log("Error in barcodescanner.available: " + ex);
+      // let's just assume it's ok
+      resolve(true);
+    }
+  });
+};
+
 barcodescanner.hasCameraPermission = function () {
   return new Promise(function (resolve) {
     resolve(barcodescanner._cameraPermissionGranted());
@@ -135,7 +147,7 @@ barcodescanner.scan = function(arg) {
             }
           }
         };
-        
+
         // we need to cache and restore the context, otherwise the dialogs module will be broken (and possibly other things as well)
         barcodescanner.rememberedContext = appModule.android.currentContext;
         appModule.android.currentContext.startActivityForResult(intent, SCANNER_REQUEST_CODE);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nativescript-barcodescanner",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "description": "Scan QR/barcodes with a {N} app.",
   "main": "barcodescanner.js",
   "nativescript": {