Java tutorial
// // FacebookConnect.java // // Created by Olivier Louvignes on 2012-07-20. // // Copyright 2012 Olivier Louvignes. All rights reserved. // MIT Licensed package com.cbtec.eliademy; import org.apache.cordova.api.*; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import java.io.FileNotFoundException; import java.io.IOException; import java.net.MalformedURLException; import java.util.Iterator; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.os.Bundle; import android.os.Handler; import android.preference.PreferenceManager; import android.util.Log; import com.facebook.android.*; import com.facebook.android.Facebook.*; @SuppressWarnings({ "unused" }) public class FacebookConnect extends CordovaPlugin { private final String CLASS = "FacebookConnect"; private String appId; private Facebook _facebook; private AuthorizeDialogListener authorizeDialogListener; //private final Handler handler = new Handler(); public Facebook getFacebook() { if (this.appId == null) { Log.e(CLASS, "ERROR: You must provide a non-empty appId."); } if (this._facebook == null) { this._facebook = new Facebook(this.appId); } return _facebook; } @Override public boolean execute(String action, JSONArray args, final CallbackContext callbackId) { PluginResult pluginResult = new PluginResult(PluginResult.Status.INVALID_ACTION, "Unsupported operation: " + action); try { if (action.equals("initWithAppId")) pluginResult = this.initWithAppId(args, callbackId); else if (action.equals("login")) pluginResult = this.login(args, callbackId); else if (action.equals("requestWithGraphPath")) pluginResult = this.requestWithGraphPath(args, callbackId); else if (action.equals("dialog")) pluginResult = this.dialog(args, callbackId); else if (action.equals("logout")) pluginResult = this.logout(args, callbackId); } catch (MalformedURLException e) { e.printStackTrace(); pluginResult = new PluginResult(PluginResult.Status.MALFORMED_URL_EXCEPTION); } catch (IOException e) { e.printStackTrace(); pluginResult = new PluginResult(PluginResult.Status.IO_EXCEPTION); } catch (JSONException e) { e.printStackTrace(); pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION); } callbackId.sendPluginResult(pluginResult); return true; } /** * Cordova interface to initialize the appId * * @param args * @param callbackId * @return PluginResult * @throws JSONException */ public PluginResult initWithAppId(final JSONArray args, final CallbackContext callbackId) throws JSONException { Log.d(CLASS, "initWithAppId()"); JSONObject params = args.getJSONObject(0); PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT); JSONObject result = new JSONObject(); this.appId = params.getString("appId"); Facebook facebook = this.getFacebook(); result.put("appId", this.appId); // Check for any stored session update Facebook session information SharedPreferences prefs = PreferenceManager .getDefaultSharedPreferences(this.cordova.getActivity().getApplicationContext()); String accessToken = prefs.getString("access_token", null); Long accessExpires = prefs.getLong("access_expires", 0); if (accessToken != null) facebook.setAccessToken(accessToken); if (accessExpires != 0) facebook.setAccessExpires(accessExpires); result.put("accessToken", accessToken); result.put("expirationDate", accessExpires); pluginResult = new PluginResult(PluginResult.Status.OK, result); //this.success(pluginResult, callbackId); return pluginResult; } /** * Cordova interface to perform a login * * @param args * @param callbackId * @return PluginResult * @throws JSONException * @throws MalformedURLException * @throws IOException */ public PluginResult login(final JSONArray args, final CallbackContext callbackId) throws JSONException, MalformedURLException, IOException { Log.d(CLASS, "login() :" + args.toString()); JSONObject params = args.getJSONObject(0); PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT); if (params.has("appId")) this.appId = params.getString("appId"); Facebook facebook = this.getFacebook(); // Check for any stored session update Facebook session information SharedPreferences prefs = PreferenceManager .getDefaultSharedPreferences(this.cordova.getActivity().getApplicationContext()); String accessToken = prefs.getString("access_token", null); Long accessExpires = prefs.getLong("access_expires", 0); if (accessToken != null) facebook.setAccessToken(accessToken); if (accessExpires != 0) facebook.setAccessExpires(accessExpires); if (!this.getFacebook().isSessionValid()) { JSONArray permissionsArray = (JSONArray) params.get("permissions"); final String[] permissions = new String[permissionsArray.length()]; for (int i = 0; i < permissionsArray.length(); i++) { permissions[i] = permissionsArray.getString(i); } final FacebookConnect me = this; this.authorizeDialogListener = new AuthorizeDialogListener(me, callbackId); this.cordova.setActivityResultCallback(this); Runnable runnable = new Runnable() { public void run() { me.getFacebook().authorize(me.cordova.getActivity(), permissions, me.authorizeDialogListener); }; }; pluginResult.setKeepCallback(true); this.cordova.getActivity().runOnUiThread(runnable); } else { JSONObject result = new JSONObject(facebook.request("/me")); result.put("accessToken", accessToken); result.put("expirationDate", accessExpires); Log.d(CLASS, "login::result " + result.toString()); pluginResult = new PluginResult(PluginResult.Status.OK, result); } return pluginResult; } /** * Cordova interface to perfom a graph request * * @param args * @param callbackId * @return PluginResult * @throws JSONException * @throws FileNotFoundException * @throws MalformedURLException * @throws IOException */ public PluginResult requestWithGraphPath(final JSONArray args, final CallbackContext callbackId) throws JSONException, FileNotFoundException, MalformedURLException, IOException { Log.d(CLASS, "requestWithGraphPath() :" + args.toString()); JSONObject params = args.getJSONObject(0); PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT); Facebook facebook = this.getFacebook(); String path = params.has("path") ? params.getString("path") : "me"; JSONObject optionsObject = (JSONObject) params.get("options"); final Bundle options = new Bundle(); Iterator<?> keys = optionsObject.keys(); while (keys.hasNext()) { String key = (String) keys.next(); options.putString(key, optionsObject.getString(key)); //if(optionsObject.get(key) instanceof JSONObject) } String httpMethod = params.has("httpMethod") ? params.getString("httpMethod") : "GET"; JSONObject result = new JSONObject(facebook.request(path, options, httpMethod)); Log.d(CLASS, "requestWithGraphPath::result " + result.toString()); pluginResult = new PluginResult(PluginResult.Status.OK, result); return pluginResult; } /** * Cordova interface to display a dialog * * @param args * @param callbackId * @return PluginResult * @throws JSONException * @throws FileNotFoundException * @throws MalformedURLException * @throws IOException */ public PluginResult dialog(final JSONArray args, final CallbackContext callbackId) throws JSONException, FileNotFoundException, MalformedURLException, IOException { Log.d(CLASS, "dialog() :" + args.toString()); JSONObject params = args.getJSONObject(0); PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT); final String method = params.has("method") ? params.getString("method") : "feed"; JSONObject optionsObject = (JSONObject) params.get("params"); final Bundle options = new Bundle(); Iterator<?> keys = optionsObject.keys(); while (keys.hasNext()) { String key = (String) keys.next(); options.putString(key, optionsObject.getString(key)); //if(optionsObject.get(key) instanceof JSONObject) } final FacebookConnect me = this; Runnable runnable = new Runnable() { public void run() { me.getFacebook().dialog(me.cordova.getActivity().getApplicationContext(), method, options, new RegularDialogListener(me, callbackId)); }; }; pluginResult.setKeepCallback(true); this.cordova.getActivity().runOnUiThread(runnable); return pluginResult; } /** * Cordova interface to logout from Facebook * * @param args * @param callbackId * @return PluginResult * @throws JSONException * @throws MalformedURLException * @throws IOException */ public PluginResult logout(final JSONArray args, final CallbackContext callbackId) throws JSONException, MalformedURLException, IOException { Log.d(CLASS, "logout() :" + args.toString()); SharedPreferences prefs = PreferenceManager .getDefaultSharedPreferences(this.cordova.getActivity().getApplicationContext()); prefs.edit().remove("access_expires").commit(); prefs.edit().remove("access_token").commit(); this.getFacebook().logout(this.cordova.getActivity().getApplicationContext()); return new PluginResult(PluginResult.Status.OK); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); this.getFacebook().authorizeCallback(requestCode, resultCode, data); //this.webView.sendJavascript("window.alert('test')"); //@todo not working :( } /** * RegularDialogListener */ class AuthorizeDialogListener implements DialogListener { private Facebook facebook; private CordovaInterface cordova; private CallbackContext callbackId; private FacebookConnect source; public AuthorizeDialogListener(FacebookConnect me, final CallbackContext callbackId) { super(); this.source = me; this.facebook = me.getFacebook(); this.cordova = me.cordova; this.callbackId = callbackId; } @Override public void onComplete(Bundle values) { Log.d(CLASS, "AuthorizeDialogListener::onComplete() " + values.toString()); // Update session information final String accessToken = this.facebook.getAccessToken(); final long accessExpires = this.facebook.getAccessExpires(); SharedPreferences prefs = PreferenceManager .getDefaultSharedPreferences(this.cordova.getActivity().getApplicationContext()); prefs.edit().putString("access_token", accessToken).commit(); prefs.edit().putLong("access_expires", accessExpires).commit(); final AuthorizeDialogListener me = this; Thread thread = new Thread(new Runnable() { public void run() { PluginResult pluginResult = new PluginResult(PluginResult.Status.ERROR, "UnknownError"); try { JSONObject result = new JSONObject(me.facebook.request("/me")); result.put("accessToken", accessToken); result.put("expirationDate", accessExpires); Log.d(CLASS, "AuthorizeDialogListener::result " + result.toString()); pluginResult = new PluginResult(PluginResult.Status.OK, result); } catch (MalformedURLException e) { pluginResult = new PluginResult(PluginResult.Status.ERROR, "MalformedURLException"); e.printStackTrace(); } catch (JSONException e) { pluginResult = new PluginResult(PluginResult.Status.ERROR, "JSONException"); e.printStackTrace(); } catch (IOException e) { pluginResult = new PluginResult(PluginResult.Status.ERROR, "JSONException"); e.printStackTrace(); } me.callbackId.sendPluginResult(pluginResult); //me.source.success(pluginResult, callbackId); } }); thread.start(); } @Override public void onFacebookError(FacebookError e) { Log.d(CLASS, "AuthorizeDialogListener::onFacebookError() " + e.getMessage()); JSONObject result = new JSONObject(); try { result.put("error", 1); result.put("message", e.getMessage()); } catch (JSONException ex) { } this.callbackId.error(result.toString()); } @Override public void onError(DialogError e) { Log.d(CLASS, "AuthorizeDialogListener::onError() " + e.getMessage()); JSONObject result = new JSONObject(); try { result.put("error", 1); result.put("message", e.getMessage()); } catch (JSONException ex) { } this.callbackId.error(result.toString()); } @Override public void onCancel() { Log.d(CLASS, "AuthorizeDialogListener::onCancel()"); JSONObject result = new JSONObject(); try { result.put("cancelled", 1); } catch (JSONException e) { } this.callbackId.error(result.toString()); //this.callbackId.error(result.toString()); } } /** * RegularDialogListener */ class RegularDialogListener implements DialogListener { //private Facebook facebook; //private CordovaInterface cordova; private CallbackContext callbackId; private FacebookConnect source; public RegularDialogListener(FacebookConnect me, final CallbackContext callbackId) { super(); this.source = me; //this.facebook = me.getFacebook(); //this.cordova = me.cordova; this.callbackId = callbackId; } @Override public void onComplete(Bundle values) { Log.d(CLASS, "RegularDialogListener::onComplete() " + values.toString()); JSONObject result = new JSONObject(); Iterator<?> keys = values.keySet().iterator(); while (keys.hasNext()) { String key = (String) keys.next(); try { result.put(key, values.get(key)); } catch (JSONException e) { e.printStackTrace(); } } PluginResult pluginResult = new PluginResult(PluginResult.Status.OK, result); pluginResult.setKeepCallback(false); this.callbackId.sendPluginResult(pluginResult); } @Override public void onFacebookError(FacebookError e) { Log.d(CLASS, "RegularDialogListener::onFacebookError() " + e.getMessage()); JSONObject result = new JSONObject(); try { result.put("error", 1); result.put("message", e.getMessage()); } catch (JSONException ex) { } this.callbackId.error(result.toString()); } @Override public void onError(DialogError e) { Log.d(CLASS, "RegularDialogListener::onError() " + e.getMessage()); JSONObject result = new JSONObject(); try { result.put("error", 1); result.put("message", e.getMessage()); } catch (JSONException ex) { } this.callbackId.error(result.toString()); } @Override public void onCancel() { Log.d(CLASS, "RegularDialogListener::onCancel()"); JSONObject result = new JSONObject(); try { result.put("cancelled", 1); } catch (JSONException e) { } this.callbackId.error(result.toString()); } } }