Java tutorial
/** * Copyright 2010 The University of Nottingham * * This file is part of genericandroidclient. * * genericandroidclient is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * genericandroidclient is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with genericandroidclient. If not, see <http://www.gnu.org/licenses/>. * */ package uk.ac.horizon.ug.exploding.client.logging; import org.json.JSONStringer; import android.app.Activity; import android.app.Dialog; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.MenuItem; /** * @author cmg * */ public class ActivityLogger { public ActivityLogger(Activity activity) { activityClass = activity.getClass(); activityHashCode = activity.hashCode(); } public static final String LOGTYPE_ACTIVITY = "Activity"; private static final String TAG = "ActivityLogger"; private Class activityClass; private int activityHashCode; public void log(String method) { log(method, null, null); } public void log(String method, String extraKey, Object extraValue) { try { JSONStringer js = new JSONStringer(); js.object(); js.key("method"); js.value(method); js.key("class"); js.value(activityClass.getName()); js.key("hashCode"); js.value(activityHashCode); if (extraKey != null) { js.key(extraKey); js.value(extraValue); } js.endObject(); LoggingUtils.log(LOGTYPE_ACTIVITY, js.toString()); } catch (Exception e) { Log.e(TAG, "log(" + method + "," + extraKey + "," + extraValue + ")", e); } } public void logCloseContextMenu() { log("closeContextMenu"); } public void logCloseOptionsMenu() { log("closeOptionsMenu"); } public void logFinish() { log("finish"); } public void logOnBackPressed() { log("onBackPressed"); } public void logOnContextItemSelected(MenuItem item) { log("onContextItemSelected", "item", item.getTitle().toString()); } public void logOnContextMenuClosed(Menu menu) { log("onContextMenuClosed"); } public void logOnCreate(Context context, Bundle savedInstanceState) { LoggingUtils.init(context); log("onCreate"); } public void logOnDestroy() { log("onDestroy"); } public void logOnMenuOpened(int featureId, Menu menu) { log("onMenuOpened", "featureId", featureId); } public void logOnNewIntent(Intent intent) { log("onNewIntent", "intent", intent.toString()); } public void logOnOptionsItemSelected(MenuItem item) { log("onOptionsItemSelected", "item", item.getTitle().toString()); } public void logOnOptionsMenuClosed(Menu menu) { log("onOptionsMenuClosed"); } public void logOnPause() { log("onPause"); } public void logOnPrepareDialog(int id, Dialog dialog) { log("onPrepareDialog", "id", id); } public void logOnPrepareOptionsMenu(Menu menu) { log("onPrepareOptionsMenu"); } public void logOnRestart() { log("onRestart"); } public void logOnResume() { log("onResume"); } public void logOnStart() { log("onStart"); } public void logOnStop() { log("onStop"); } public void logStartActivity(Intent intent) { log("startActivity", "intent", intent.toString()); } public void logStartActivityForResult(Intent intent, int requestCode) { log("startActivityForResult", "intent", intent.toString()); } public void logStartActivityFromChild(Activity child, Intent intent, int requestCode) { log("startActivityFromChild", "intent", intent.toString()); } public void logStartActivityIfNeeded(Intent intent, int requestCode) { log("startActivityIfNeeded", "intent", intent.toString()); } }