77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
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package org.cloudsky.cordovaPlugins;
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import org.apache.cordova.CordovaInterface;
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import org.apache.cordova.CordovaPlugin;
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import org.apache.cordova.CallbackContext;
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import org.apache.cordova.PluginResult;
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import org.json.JSONArray;
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import org.json.JSONException;
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import android.app.Activity;
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import android.content.Intent;
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import android.content.Context;
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import org.cloudsky.cordovaPlugins.ZBarScannerActivity;
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public class ZBar extends CordovaPlugin {
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// Configuration ---------------------------------------------------
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private static int SCAN_CODE = 1;
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// State -----------------------------------------------------------
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private boolean isInProgress = false;
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private CallbackContext scanCallbackContext;
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// Plugin API ------------------------------------------------------
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@Override
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public boolean execute (String action, JSONArray args, CallbackContext callbackContext)
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throws JSONException
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{
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if(action.equals("scan")) {
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if(isInProgress) {
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callbackContext.error("A scan is already in progress!");
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} else {
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isInProgress = true;
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scanCallbackContext = callbackContext;
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Context appCtx = cordova.getActivity().getApplicationContext();
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Intent scanIntent = new Intent(appCtx, ZBarScannerActivity.class);
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cordova.startActivityForResult(this, scanIntent, SCAN_CODE);
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}
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return true;
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} else {
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return false;
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}
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}
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// External results handler ----------------------------------------
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@Override
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public void onActivityResult (int requestCode, int resultCode, Intent result)
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{
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if(requestCode == SCAN_CODE) {
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switch(resultCode) {
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case Activity.RESULT_OK:
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String barcodeValue = result.getStringExtra(ZBarScannerActivity.EXTRA_QRVALUE);
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scanCallbackContext.success(barcodeValue);
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break;
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case Activity.RESULT_CANCELED:
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scanCallbackContext.error("cancelled");
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break;
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case ZBarScannerActivity.RESULT_ERROR:
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scanCallbackContext.error("Scan failed due to an error");
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break;
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default:
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scanCallbackContext.error("Unknown error");
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}
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isInProgress = false;
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scanCallbackContext = null;
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}
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}
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}
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