Java tutorial
/* * Copyright (c) 2013 Moodstocks SAS * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.moodstocks.phonegap.plugin; import org.apache.cordova.CallbackContext; import org.apache.cordova.CordovaPlugin; import org.apache.cordova.CordovaWebView; import org.apache.cordova.PluginResult; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.content.Intent; import android.graphics.Color; import android.util.Log; import com.moodstocks.android.MoodstocksError; import com.moodstocks.android.Scanner; public class MoodstocksPlugin extends CordovaPlugin implements Scanner.SyncListener { public static final String TAG = "MoodstocksPlugin"; public static final String OPEN = "open"; public static final String SYNC = "sync"; public static final String SCAN = "scan"; public static final String PAUSE = "pause"; public static final String RESUME = "resume"; public static final String DISMISS = "dismiss"; public static final String PLUGINACTION = "com.moodstocks.phonegap.plugin.action"; public static final String MESSAGE = "message"; public static final String STATUS = "status"; public static final String PROGRESS = "progress"; private CallbackContext syncCallback; private static CallbackContext scanCallback; private static CordovaWebView overlay; private boolean scannerStarted = false; public boolean compatible = false; private Scanner scanner = null; // -------------------------------- // Moodstocks API key/secret pair // -------------------------------- private static final String API_KEY = "f0wcjesuqfk5bwr0yh0j"; private static final String API_SECRET = "5zKdY56rBJo5JaQV"; public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException { if (action.equals(OPEN)) { this.open(callbackContext); return true; } else if (action.equals(SYNC)) { this.syncCallback = callbackContext; this.sync(); return true; } else if (action.equals(SCAN)) { MoodstocksPlugin.setOverlay(this.webView); MoodstocksPlugin.overlay.setBackgroundColor(Color.TRANSPARENT); MoodstocksPlugin.setScanCallback(callbackContext); this.scan(args); return true; } else if (action.equals(PAUSE)) { this.pause(callbackContext); return true; } else if (action.equals(RESUME)) { this.resume(callbackContext); return true; } else if (action.equals(DISMISS)) { this.dismiss(callbackContext); return true; } return false; } private void open(CallbackContext callbackContext) { compatible = Scanner.isCompatible(); if (compatible) { try { this.scanner = Scanner.get(); scanner.open(this.cordova.getActivity().getApplicationContext(), API_KEY, API_SECRET); callbackContext.success(); } catch (MoodstocksError e) { if (e.getErrorCode() == MoodstocksError.Code.CREDMISMATCH) { String errmsg = "There is a problem with your key/secret pair: " + "the current pair does NOT match with the one recorded within the on-disk datastore. " + "This could happen if:<br/>" + " * you have first build & run the app without replacing the default" + " \"ApIkEy\" and \"ApIsEcReT\" pair, and later on replaced with your real key/secret,<br/>" + " * or, you have first made a typo on the key/secret pair, build & run the" + " app, and later on fixed the typo and re-deployed.<br/>" + "<br/>" + "To solve your problem:<br/>" + " 1) uninstall the app from your device,<br/>" + " 2) make sure to properly configure your key/secret pair within Scanner.java<br/>" + " 3) re-build & run<br/>"; MoodstocksError err = new MoodstocksError(errmsg, MoodstocksError.Code.CREDMISMATCH); err.log(); callbackContext.error(errmsg); } else { e.log(); callbackContext.error(e.getErrorCode()); } } } else { /* device is not compatible */ // error callback with message to display on web view callbackContext.error("DEVICE NOT COMPATIBLE"); } } private void sync() { scanner.sync(this); } public void scan(JSONArray args) throws JSONException { Intent scanIntent = new Intent(cordova.getActivity(), MoodstocksScanActivity.class); scanIntent.putExtra("com.moodstocks.phonegap.plugin", "MoodstocksScanActivity"); scanIntent.putExtra("scanOptions", args.getInt(0)); scanIntent.putExtra("useDeviceOrientation", args.getBoolean(1)); scanIntent.putExtra("noPartialMatching", args.getBoolean(2)); scanIntent.putExtra("smallTargetSupport", args.getBoolean(3)); // NOTE: the original startActivityForResult() will pause PhoneGap app's // js code. Here we use the one we override this.cordova.startActivityForResult(this, scanIntent, 1); scannerStarted = true; } public void pause(CallbackContext callbackContext) { if (scannerStarted) { Intent pauseIntent = new Intent(PLUGINACTION); pauseIntent.putExtra(PLUGINACTION, PAUSE); this.cordova.getActivity().sendBroadcast(pauseIntent); callbackContext.success(); } } public void resume(CallbackContext callbackContext) { if (scannerStarted) { Intent resumeIntent = new Intent(PLUGINACTION); resumeIntent.putExtra(PLUGINACTION, RESUME); this.cordova.getActivity().sendBroadcast(resumeIntent); callbackContext.success(); } } public void dismiss(CallbackContext callbackContext) { if (scannerStarted) { Intent dismissIntent = new Intent(PLUGINACTION); dismissIntent.putExtra(PLUGINACTION, DISMISS); this.cordova.getActivity().sendBroadcast(dismissIntent); callbackContext.success(); } } // Sync Listener @Override public void onSyncStart() { Log.d(TAG, "[SYNC] Starting..."); JSONObject obj = new JSONObject(); try { obj.put(MESSAGE, "Sync starts."); obj.put(STATUS, 1); obj.put(PROGRESS, 0); } catch (JSONException e) { e.printStackTrace(); } PluginResult r = new PluginResult(PluginResult.Status.OK, obj); r.setKeepCallback(true); this.syncCallback.sendPluginResult(r); } @Override public void onSyncComplete() { Log.d(TAG, "[SYNC] Complete!"); JSONObject obj = new JSONObject(); try { obj.put(MESSAGE, "Sync completed."); obj.put(STATUS, 3); obj.put(PROGRESS, 100); } catch (JSONException e) { e.printStackTrace(); } PluginResult r = new PluginResult(PluginResult.Status.OK, obj); r.setKeepCallback(false); this.syncCallback.sendPluginResult(r); } @Override public void onSyncFailed(MoodstocksError e) { e.log(); JSONObject obj = new JSONObject(); try { obj.put(MESSAGE, "Sync failed with error code " + e.getErrorCode()); obj.put(STATUS, 0); obj.put(PROGRESS, 0); } catch (JSONException e1) { e1.printStackTrace(); } PluginResult r = new PluginResult(PluginResult.Status.ERROR, obj); r.setKeepCallback(false); this.syncCallback.sendPluginResult(r); } @Override public void onSyncProgress(int total, int current) { Log.d(TAG, "[SYNC] " + current + "/" + total); JSONObject obj = new JSONObject(); try { obj.put(MESSAGE, "Sync is progressing."); obj.put(STATUS, 2); obj.put(PROGRESS, 100 * (current / total)); } catch (JSONException e) { e.printStackTrace(); } PluginResult r = new PluginResult(PluginResult.Status.OK, obj); r.setKeepCallback(true); this.syncCallback.sendPluginResult(r); } @Override public void onDestroy() { super.onDestroy(); if (compatible) { try { /* you must close the scanner before exiting */ scanner.close(); } catch (MoodstocksError e) { e.log(); } } } public static MoodstocksWebView getOverlay() { return (MoodstocksWebView) overlay; } private static void setOverlay(CordovaWebView webView) { MoodstocksPlugin.overlay = webView; } public static CallbackContext getScanCallback() { return scanCallback; } public static void setScanCallback(CallbackContext scanCallback) { MoodstocksPlugin.scanCallback = scanCallback; } }