Added initialize method to BaseScan class.

Refactored EDA500K implementation.

plugin.xml

@@ -28,6 +28,10 @@
                 <param name="onload" value="true" />
             </feature>
         </config-file>
+        <config-file target="AndroidManifest.xml" parent="/manifest">
+            <uses-permission android:name="android.permission.CAMERA" />
+            <uses-permission android:name="com.honeywell.decode.permission.DECODE" />
+        </config-file>
 
       <source-file src="src/android/com/cocodin/barcodescan/plugin/BarcodeScan.java" target-dir="src/com/cocodin/barcodescan/plugin" />
       <source-file src="src/android/com/cocodin/barcodescan/plugin/BaseScan.java" target-dir="src/com/cocodin/barcodescan/plugin" />

src/android/com/cocodin/barcodescan/plugin/BarcodeScan.java

@@ -13,6 +13,10 @@ import org.apache.cordova.PluginResult;
 import org.apache.cordova.PluginResult.Status;
 import org.json.JSONArray;
 import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+import static android.R.attr.action;
 
 public class BarcodeScan extends CordovaPlugin {
 
@@ -30,14 +34,46 @@ public class BarcodeScan extends CordovaPlugin {
 
   private BaseScan mDevice;
 
-  public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+  private Map<String, BaseScan> mDevices = new HashMap<String, BaseScan>();
+
+  public void initialize(final CordovaInterface cordova, final CordovaWebView webView) {
     super.initialize(cordova, webView);
+    cordova.getThreadPool().execute(new Runnable() {
+      @Override
+      public void run() {
+        init(cordova, webView);
+      }
+    });
     Log.d(TAG, "Initializing BarcodeScan Plugin");
   }
 
-  public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) {
+  public void init(CordovaInterface cordova, CordovaWebView webView) {
+
+    for (int i=0;i<jaDevices.length();i++) {
+      try {
+        String deviceName = jaDevices.getString(i);
+        if (EDA50K.equalsIgnoreCase(deviceName)) {
+          mDevices.put(EDA50K, new com.cocodin.barcodescan.plugin.devices.EDA50K(cordova, webView));
+        } else if (C4050.equalsIgnoreCase(deviceName)) {
+          mDevices.put(C4050, new com.cocodin.barcodescan.plugin.devices.C4050(cordova, webView));
+        } else if (NQUIRE300.equalsIgnoreCase(deviceName)) {
+          mDevices.put(NQUIRE300, new com.cocodin.barcodescan.plugin.devices.NQuire300(cordova, webView));
+        } else {
+          mDevices.put(CAMERA, new com.cocodin.barcodescan.plugin.devices.Camera(cordova, webView));
+        }
+      }
+      catch (Exception e) {
+        Log.e(TAG, e.getMessage());
+      }
+    }
+  }
+
+  public boolean execute(final String action, final JSONArray args, final CallbackContext callbackContext) {
     Log.d(TAG, "execute: " + action);
     if (action.equalsIgnoreCase("scan")) {
+      cordova.getThreadPool().execute(new Runnable() {
+        @Override
+        public void run() {
           try {
             String deviceName = args.get(0).toString();
             //ensure device is created and is the correct device (user could change the device in mobile UI)
@@ -45,31 +81,22 @@ public class BarcodeScan extends CordovaPlugin {
               mDevice = selectDevice(deviceName);
             }
             mDevice.scan(cordova, webView, args, callbackContext);
-      }
-      catch (Exception e) {
+          } catch (Exception e) {
             Log.e(TAG, e.getMessage());
             callbackContext.sendPluginResult(new PluginResult(Status.ERROR, e.getMessage()));
           }
-    } else if (action.equalsIgnoreCase("getDevices")) {
+        }
+      });
+    }
+    else if (action.equalsIgnoreCase("getDevices")) {
       callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, jaDevices));
     }
+
     return true;
   }
 
   public BaseScan selectDevice(String deviceName) {
-    if (EDA50K.equalsIgnoreCase(deviceName)) {
-      return new com.cocodin.barcodescan.plugin.devices.EDA50K();
-    }
-    else if (C4050.equalsIgnoreCase(deviceName)) {
-      return new com.cocodin.barcodescan.plugin.devices.C4050();
-    }
-    else if (NQUIRE300.equalsIgnoreCase(deviceName)) {
-      return new com.cocodin.barcodescan.plugin.devices.NQuire300();
-    }
-    else {
-      return new com.cocodin.barcodescan.plugin.devices.Camera();
-    }
-
+    return mDevices.get(deviceName);
   }
 
   @Override

src/android/com/cocodin/barcodescan/plugin/BaseScan.java

@@ -11,6 +11,12 @@ import org.json.JSONArray;
 
 public abstract class BaseScan {
 
+    public BaseScan(CordovaInterface cordova, CordovaWebView webView) {
+
+    };
+
+    public abstract void initialize(CordovaInterface cordova, CordovaWebView webView);
+
     public abstract String getDeviceName();
 
     public abstract void scan(final CordovaInterface cordova, CordovaWebView webView, JSONArray args, final CallbackContext callbackContext);

src/android/com/cocodin/barcodescan/plugin/devices/C4050.java

@@ -26,6 +26,16 @@ public class C4050 extends BaseScan {
 
     private static Barcode2DWithSoft mInstance;
 
+    public C4050(CordovaInterface cordova, CordovaWebView webView) {
+        super(cordova, webView);
+        initialize(cordova, webView);
+    }
+
+    @Override
+    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+
+    }
+
     @Override
     public String getDeviceName() {
         return TAG;

src/android/com/cocodin/barcodescan/plugin/devices/Camera.java

@@ -20,6 +20,17 @@ public class Camera extends BaseScan {
     public String getDeviceName() {
         return TAG;
     }
+
+    public Camera(CordovaInterface cordova, CordovaWebView webView) {
+        super(cordova, webView);
+        initialize(cordova, webView);
+    }
+
+    @Override
+    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+
+    }
+
     @Override
     public void scan(CordovaInterface cordova, CordovaWebView webView, JSONArray args, CallbackContext callbackContext) {
         BarcodeScanner barcodeScanner = new BarcodeScanner();

src/android/com/cocodin/barcodescan/plugin/devices/EDA50K.java

@@ -36,21 +36,24 @@ public class EDA50K extends BaseScan implements BarcodeListener {
 
     private CallbackContext currentCallbackContext = null;
 
+    public EDA50K(CordovaInterface cordova, CordovaWebView webView) {
+        super(cordova, webView);
+        initialize(cordova, webView);
+    }
+
     @Override
     public String getDeviceName() {
         return TAG;
     }
 
-    @Override
-    public void scan(final CordovaInterface cordova, CordovaWebView webView, JSONArray args,
-            final CallbackContext callbackContext) {
+    public void initialize(final CordovaInterface cordova, CordovaWebView webView) {
         if (manager == null) {
             AidcManager.create(cordova.getActivity(), new CreatedCallback() {
 
                 @Override
                 public void onCreated(AidcManager aidcManager) {
                     manager = aidcManager;
-                    barcodeReader = manager.createBarcodeReader("dcs.scanner.ring");
+                    barcodeReader = manager.createBarcodeReader();
 
                     if (barcodeReader != null) {
 
@@ -97,19 +100,20 @@ public class EDA50K extends BaseScan implements BarcodeListener {
                         barcodeReader.setProperties(properties);
 
                         //Perform first read after initialization
-                        readBarcode(callbackContext);
+                        claim();
 
-                    } else {
-                        callbackContext.error("Failed to open barcode reader");
-                    }
+                    };
                 }
             });
-        } else {
-            readBarcode(callbackContext);
         }
     }
 
     @Override
+    public void scan(final CordovaInterface cordova, CordovaWebView webView, JSONArray args, final CallbackContext callbackContext) {
+        this.currentCallbackContext = callbackContext;
+    }
+
+    @Override
     public void onStart() {
 
     }
@@ -139,18 +143,16 @@ public class EDA50K extends BaseScan implements BarcodeListener {
         }
     }
 
-    private void readBarcode(CallbackContext callbackContext) {
+    private void claim() {
         if (barcodeReader != null) {
             try {
                 barcodeReader.claim();
-
-                callbackContext.success();
+                Log.d(TAG, "Claim OK");
             } catch (ScannerUnavailableException e) {
-                e.printStackTrace();
-                callbackContext.error("Unable to claim reader");
+                Log.e(TAG, e.getMessage());
             }
         } else {
-            callbackContext.error("Reader not open");
+            Log.e(TAG, "Barcode reader not opened");
         }
     }
 
@@ -176,9 +178,7 @@ public class EDA50K extends BaseScan implements BarcodeListener {
         if (currentCallbackContext != null) {
             try {
                 JSONObject obj = new JSONObject();
-                obj.put("success", true);
-                obj.put("data", barcodeReadEvent.getBarcodeData());
-
+                obj.put("text", barcodeReadEvent.getBarcodeData());
                 PluginResult result = new PluginResult(PluginResult.Status.OK, obj);
                 result.setKeepCallback(true);
                 currentCallbackContext.sendPluginResult(result);
@@ -190,6 +190,7 @@ public class EDA50K extends BaseScan implements BarcodeListener {
 
     @Override
     public void onFailureEvent(BarcodeFailureEvent barcodeFailureEvent) {
+        Log.i(TAG, "Error reading barcode.");
         if (currentCallbackContext != null) {
             try {
                 JSONObject obj = new JSONObject();

src/android/com/cocodin/barcodescan/plugin/devices/NQuire300.java

@@ -28,6 +28,16 @@ public class NQuire300 extends BaseScan {
         return TAG;
     }
 
+    public NQuire300(CordovaInterface cordova, CordovaWebView webView) {
+        super(cordova, webView);
+        initialize(cordova, webView);
+    }
+
+    @Override
+    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+
+    }
+
     @Override
     public void scan(CordovaInterface cordova, CordovaWebView webView, JSONArray args, CallbackContext callbackContext) {
         Context context = cordova.getActivity();