Added initial Android implementation (with plugin.xml and JS interface)

2014-09-11 15:52:59 +08:00
parent e9e669b4c2
commit 1b6217e73d
12 changed files with 483 additions and 0 deletions
--- a/android/ZBar.java
+++ b/android/ZBar.java
@@ -0,0 +1,76 @@
+package org.cloudsky.cordovaPlugins;
+
+import org.apache.cordova.CordovaInterface;
+import org.apache.cordova.CordovaPlugin;
+import org.apache.cordova.CallbackContext;
+import org.apache.cordova.PluginResult;
+import org.json.JSONArray;
+import org.json.JSONException;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.content.Context;
+
+import org.cloudsky.cordovaPlugins.ZBarScannerActivity;
+
+public class ZBar extends CordovaPlugin {
+    
+    // Configuration ---------------------------------------------------
+
+    private static int SCAN_CODE = 1;
+
+
+    // State -----------------------------------------------------------
+
+    private boolean isInProgress = false;
+    private CallbackContext scanCallbackContext;
+
+
+    // Plugin API ------------------------------------------------------
+
+    @Override
+    public boolean execute (String action, JSONArray args, CallbackContext callbackContext)
+    throws JSONException
+    {
+        if(action.equals("scan")) {
+            if(isInProgress) {
+                callbackContext.error("A scan is already in progress!");
+            } else {
+                isInProgress = true;
+                scanCallbackContext = callbackContext;
+                Context appCtx = cordova.getActivity().getApplicationContext();
+                Intent scanIntent = new Intent(appCtx, ZBarScannerActivity.class);
+                cordova.startActivityForResult(this, scanIntent, SCAN_CODE);
+            }
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+
+    // External results handler ----------------------------------------
+    
+    @Override
+    public void onActivityResult (int requestCode, int resultCode, Intent result)
+    {
+        if(requestCode == SCAN_CODE) {
+            switch(resultCode) {
+                case Activity.RESULT_OK:
+                    String barcodeValue = result.getStringExtra(ZBarScannerActivity.EXTRA_QRVALUE);
+                    scanCallbackContext.success(barcodeValue);
+                    break;
+                case Activity.RESULT_CANCELED:
+                    scanCallbackContext.error("cancelled");
+                    break;
+                case ZBarScannerActivity.RESULT_ERROR:
+                    scanCallbackContext.error("Scan failed due to an error");
+                    break;
+                default:
+                    scanCallbackContext.error("Unknown error");
+            }
+            isInProgress = false;
+            scanCallbackContext = null;
+        }
+    }
+}