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/** * Copyright 2010-present Facebook.//w w w . j a v a 2s.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.facebook; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.util.Log; import com.facebook.internal.NativeProtocol; import com.facebook.internal.PlatformServiceClient; import com.facebook.internal.Utility; import com.facebook.internal.Validate; import org.json.JSONException; import org.json.JSONObject; /** * Class to encapsulate an app link, and provide methods for constructing the data from various sources */ public class AppLinkData { /** * Key that should be used to pull out the UTC Unix tap-time from the arguments for this app link. */ public static final String ARGUMENTS_TAPTIME_KEY = "com.facebook.platform.APPLINK_TAP_TIME_UTC"; private static final String BUNDLE_APPLINK_ARGS_KEY = "com.facebook.platform.APPLINK_ARGS"; private static final String APPLINK_BRIDGE_ARGS_KEY = "bridge_args"; private static final String APPLINK_METHOD_ARGS_KEY = "method_args"; private static final String APPLINK_VERSION_KEY = "version"; private static final String BRIDGE_ARGS_METHOD_KEY = "method"; private static final String METHOD_ARGS_TARGET_URL_KEY = "target_url"; private static final String METHOD_ARGS_REF_KEY = "ref"; private static final String TAG = AppLinkData.class.getCanonicalName(); private String[] ref; private Uri targetUri; @SuppressWarnings("unused") private String version; private JSONObject arguments; /** * Asynchronously fetches app link information that might have been stored for use * after installation of the app * @param context The context * @param completionHandler CompletionHandler to be notified with the AppLinkData object or null if none is * available. Must not be null. */ public static void fetchDeferredAppLinkData(Context context, CompletionHandler completionHandler) { fetchDeferredAppLinkData(context, null, completionHandler); } /** * Asynchronously fetches app link information that might have been stored for use * after installation of the app * @param context The context * @param applicationId Facebook application Id. If null, it is taken from the manifest * @param completionHandler CompletionHandler to be notified with the AppLinkData object or null if none is * available. Must not be null. */ public static void fetchDeferredAppLinkData( Context context, String applicationId, final CompletionHandler completionHandler) { Validate.notNull(context, "context"); Validate.notNull(completionHandler, "completionHandler"); if (applicationId == null) { applicationId = Utility.getMetadataApplicationId(context); } Validate.notNull(applicationId, "applicationId"); DeferredAppLinkDataClient client = new DeferredAppLinkDataClient(context, applicationId); DeferredAppLinkDataClient.CompletedListener callback = new DeferredAppLinkDataClient.CompletedListener() { @Override public void completed(Bundle result) { AppLinkData appLinkData = null; if (result != null) { final String appLinkArgsJsonString = result.getString(BUNDLE_APPLINK_ARGS_KEY); final long tapTimeUtc = result.getLong(ARGUMENTS_TAPTIME_KEY, -1); // Now create the app link appLinkData = createFromJson(appLinkArgsJsonString); if (tapTimeUtc != -1) { try { appLinkData.getArguments().put(ARGUMENTS_TAPTIME_KEY, tapTimeUtc); } catch (JSONException e) { Log.d(TAG, "Unable to put tap time in AppLinkData.arguments"); } } } completionHandler.onDeferredAppLinkDataFetched(appLinkData); } }; client.setCompletedListener(callback); if (!client.start()) { // there is not a sufficient version of fb4a present to return a deferred app link, so kick off // a call to the completion handler. Handler handler = new Handler(Looper.getMainLooper()); handler.post(new Runnable() { @Override public void run() { completionHandler.onDeferredAppLinkDataFetched(null); } }); } } /** * Parses out any app link data from the Intent of the Activity passed in. * @param activity Activity that was started because of an app link * @return AppLinkData if found. null if not. */ public static AppLinkData createFromActivity(Activity activity) { Validate.notNull(activity, "activity"); Intent intent = activity.getIntent(); if (intent == null) { return null; } String appLinkArgsJsonString = intent.getStringExtra(BUNDLE_APPLINK_ARGS_KEY); // Try v2 app linking first AppLinkData appLinkData = createFromJson(appLinkArgsJsonString); if (appLinkData == null) { // Try regular app linking appLinkData = createFromUri(intent.getData()); } return appLinkData; } private static AppLinkData createFromJson(String jsonString) { if (jsonString == null) { return null; } try { // Any missing or malformed data will result in a JSONException JSONObject appLinkArgsJson = new JSONObject(jsonString); String version = appLinkArgsJson.getString(APPLINK_VERSION_KEY); JSONObject bridgeArgs = appLinkArgsJson.getJSONObject(APPLINK_BRIDGE_ARGS_KEY); String method = bridgeArgs.getString(BRIDGE_ARGS_METHOD_KEY); if (method.equals("applink") && version.equals("2")) { // We have a new deep link AppLinkData appLinkData = new AppLinkData(); appLinkData.version = version; appLinkData.arguments = appLinkArgsJson.getJSONObject(APPLINK_METHOD_ARGS_KEY); if (appLinkData.arguments.has(METHOD_ARGS_REF_KEY)) { String ref = appLinkData.arguments.getString(METHOD_ARGS_REF_KEY); if (ref != null) { appLinkData.ref = ref.split(","); } } if (appLinkData.arguments.has(METHOD_ARGS_TARGET_URL_KEY)) { appLinkData.targetUri = Uri.parse(appLinkData.arguments.getString(METHOD_ARGS_TARGET_URL_KEY)); } return appLinkData; } } catch (JSONException e) { Log.d(TAG, "Unable to parse AppLink JSON"); } return null; } private static AppLinkData createFromUri(Uri appLinkDataUri) { if (appLinkDataUri == null) { return null; } // TODO : Try old-school deep linking // Task : #2583027 return null; } private AppLinkData() { } /** * TargetUri for this App Link * @return targetUri */ public Uri getTargetUri() { return targetUri; } /** * Ref for this App Link * @return ref */ public String[] getRef() { return ref; } /** * The full set of arguments for this app link. Properties like TargetUri & Ref are typically * picked out of this set of arguments. * @return JSONObject property bag. */ public JSONObject getArguments() { return arguments; } /** * Interface to asynchronously receive AppLinkData after it has been fetched. */ public interface CompletionHandler { /** * This method is called when deferred app link data has been fetched. If no app link data was found, * this method is called with null * @param appLinkData The app link data that was fetched. Null if none was found. */ void onDeferredAppLinkDataFetched(AppLinkData appLinkData); } final static class DeferredAppLinkDataClient extends PlatformServiceClient { DeferredAppLinkDataClient(Context context, String applicationId) { super(context, NativeProtocol.MESSAGE_GET_INSTALL_DATA_REQUEST, NativeProtocol.MESSAGE_GET_INSTALL_DATA_REPLY, NativeProtocol.PROTOCOL_VERSION_20130618, applicationId); } @Override protected void populateRequestBundle(Bundle data) { String packageName = getContext().getPackageName(); data.putString(NativeProtocol.EXTRA_GET_INSTALL_DATA_PACKAGE, packageName); } } }