cordova-plugin-seuic-scanner.rar

package com.seuic.scanner; import org.apache.cordova.CordovaPlugin; import org.apache.cordova.CallbackContext; import org.apache.cordova.LOG; import org.apache.cordova.PluginResult; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; /** * This class echoes a string called from JavaScript. */ public class SeuicScanner extends CordovaPlugin { private static final String LOG_TAG = "ScannerManager"; private static final String ACTION_SCAN_OK = "com.seuic.framework.scan_ok"; private static final String A9_SCAN_ACTION = "com.android.server.scannerservice.youbang"; private static final String GET_BAR_CODE = "getBarCode"; private static final String CANCEL_SCAN = "cancelScan"; private static final String INIT_NAME = "initBroadcastName"; private static final String NEWLAND_SCAN_ACTION = "nlscan.action.SCANNER_RESULT"; private static final String SHT35_4G_SCAN_ACTION = "com.android.server.scannerservice.broadcast"; BroadcastReceiver receiver; private CallbackContext scannerCallbackContext = null; /** * Constructor. */ public SeuicScanner() { this.receiver = null; } /** * Executes the request. * * @param action The action to execute. * @param args JSONArry of arguments for the plugin. * @param callbackContext The callback context used when calling back into JavaScript. * @return True if the action was valid, false if not. */ public boolean execute(String action, JSONArray args, CallbackContext callbackContext) { LOG.e(LOG_TAG, "the action is : ", action); if (action.equals(GET_BAR_CODE)) { if (this.scannerCallbackContext != null) { callbackContext.error( "Scanner listener already running."); return true; } this.scannerCallbackContext = callbackContext; // We need to listen to the scanner is successfully status IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(ACTION_SCAN_OK); intentFilter.addAction(A9_SCAN_ACTION); intentFilter.addAction(NEWLAND_SCAN_ACTION); intentFilter.addAction(SHT35_4G_SCAN_ACTION); if (this.receiver == null) { this.receiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { updateScannerInfo(intent); } }; webView.getContext().registerReceiver(this.receiver, intentFilter); } // Don't return any result now, since status results will be sent when events come in from broadcast receiver PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT); pluginResult.setKeepCallback(true); callbackContext.sendPluginResult(pluginResult); return true; } else if (action.equals(CANCEL_SCAN)) { removeScannerListener(); this.sendUpdate("", false); // release status callback in JS side this.scannerCallbackContext = null; callbackContext.success(); return true; } else if(action.equals(INIT_NAME)){ Intent intent = new Intent("com.android.scanner.service_settings"); intent.putExtra("action_barcode_broadcast",A9_SCAN_ACTION); intent.putExtra("endchar","NONE"); cordova.getActivity().sendBroadcast(intent); } return false; } /** * Stop battery receiver. */ public void onDestroy() { removeScannerListener(); } /** * Stop battery receiver. */ public void onReset() { removeScannerListener(); } /** * Stop the battery receiver and set it to null. */ private void removeScannerListener() { if (this.receiver != null) { try { webView.getContext().unregisterReceiver(this.receiver); this.receiver = null; } catch (Exception e) { LOG.e(LOG_TAG, "Error unregistering scanner receiver: " + e.getMessage(), e); } } } /** * Updates the JavaScript side whenever the battery changes * * @param batteryIntent the current battery information * @return */ private void updateScannerInfo(Intent ScannerIntent) { if ( null == ScannerIntent ) { return; } String action = ScannerIntent.getAction(); if ( null == action ) { return; } if ( action.equals( ACTION_SCAN_OK ) ) { String scanData = ScannerIntent.getStringExtra( "scan_data" ); if ( scanData != null && scanData.length() > 0 ) { LOG.i(LOG_TAG, "=====================ScanData in EditText: ", scanData); sendUpdate(scanData,true); } }else if( action.equals( A9_SCAN_ACTION ) ){ String scanData = ScannerIntent.getStringExtra("scannerdata"); if ( scanData != null && scanData.length() > 0 ) { LOG.i(LOG_TAG, "=====================ScanData in EditText: ", scanData); sendUpdate(scanData,true); } }else if( action.equals( NEWLAND_SCAN_ACTION)){ String scanData = ScannerIntent.getStringExtra("SCAN_BARCODE1"); if(scanData != null && scanData.length() > 0 ){ LOG.i(LOG_TAG, "=====================ScanData in EditText: ", scanData); sendUpdate(scanData,true); } }else if(action.equals(SHT35_4G_SCAN_ACTION)){ String scanData = ScannerIntent.getStringExtra("scannerdata"); if(scanData != null && scanData.length() > 0 ){ LOG.i(LOG_TAG, "=====================ScanData in EditText: ", scanData); sendUpdate(scanData,true); } } } /** * Create a new plugin result and send it back to JavaScript * * @param connection the network info to set as navigator.connection */ private void sendUpdate(String info, boolean keepCallback) { if (this.scannerCallbackContext != null) { PluginResult result = new PluginResult(PluginResult.Status.OK, info); result.setKeepCallback(keepCallback); this.scannerCallbackContext.sendPluginResult(result); } } }