Java tutorial
/* * Copyright (C) 2013 by Ethan Hall * * 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 io.ehdev.android.drivingtime.view.activity; import android.app.*; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import com.google.analytics.tracking.android.EasyTracker; import com.google.analytics.tracking.android.GoogleAnalytics; import com.j256.ormlite.table.TableUtils; import dagger.ObjectGraph; import io.ehdev.android.drivingtime.R; import io.ehdev.android.drivingtime.backend.model.Record; import io.ehdev.android.drivingtime.backend.model.Task; import io.ehdev.android.drivingtime.database.dao.DatabaseHelper; import io.ehdev.android.drivingtime.module.ModuleGetters; import io.ehdev.android.drivingtime.view.PostEditExecution; import io.ehdev.android.drivingtime.view.dialog.EditTaskDialog; import io.ehdev.android.drivingtime.view.dialog.InsertOrEditRecordDialog; import io.ehdev.android.drivingtime.view.dialog.InsertOrEditTaskDialog; import io.ehdev.android.drivingtime.view.dialog.InsertRecordDialogNoUpdate; import io.ehdev.android.drivingtime.view.fragments.AllDrivingRecordReviewFragment; import io.ehdev.android.drivingtime.view.fragments.MainFragment; import org.joda.time.DateTime; import org.joda.time.Duration; import javax.inject.Inject; import java.sql.SQLException; import java.util.LinkedList; import java.util.List; public class RootActivity extends Activity implements ActionBar.TabListener { private static final String TAG = RootActivity.class.getName(); private Fragment listOfFragments[]; @Inject protected DatabaseHelper databaseHelper; @Override public void onStart() { super.onStart(); EasyTracker.getInstance().activityStart(this); // Add this method. GoogleAnalytics googleAnalytics = GoogleAnalytics.getInstance(this); googleAnalytics.getDefaultTracker().sendView("/HomeScreen"); } @Override public void onStop() { super.onStop(); EasyTracker.getInstance().activityStop(this); // Add this method. } @Override protected void onResume() { super.onResume(); ActionBar.Tab tab = getActionBar().getSelectedTab(); FragmentTransaction ft = getFragmentManager().beginTransaction(); ft.detach(listOfFragments[tab.getPosition()]); ft.attach(listOfFragments[tab.getPosition()]); ft.commit(); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ObjectGraph objectGraph = ObjectGraph.create(ModuleGetters.getInstance(this)); objectGraph.inject(this); listOfFragments = new Fragment[] { MainFragment.instantiate(this, MainFragment.class.getName()), AllDrivingRecordReviewFragment.instantiate(this, AllDrivingRecordReviewFragment.class.getName()) }; getActionBar().addTab(getActionBar().newTab().setTabListener(this).setText("Overview")); getActionBar().addTab(getActionBar().newTab().setTabListener(this).setText("Review Entries")); getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); getActionBar().setDisplayShowTitleEnabled(true); if (savedInstanceState != null) { getActionBar().setSelectedNavigationItem(savedInstanceState.getInt("tab")); } } protected void onSaveInstanceState(Bundle outState) { outState.putInt("tab", getActionBar().getSelectedNavigationIndex()); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.preferences_menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: finish(); return true; case R.id.add: createAddEntry(); return true; case R.id.tasks: launchTaskActivity(); return true; case R.id.about: launchAboutActivity(); default: return super.onOptionsItemSelected(item); } } private void launchAboutActivity() { Intent aboutIntent = new Intent(); aboutIntent.setClass(this, AboutActivity.class); startActivity(aboutIntent); } private void launchTaskActivity() { Intent taskIntent = new Intent(); taskIntent.setClass(this, TaskConfigurationActivity.class); startActivity(taskIntent); } private void createAddEntry() { try { FragmentManager fm = getFragmentManager(); DialogFragment insertRecordDialog = getInsertRecordDialog(); insertRecordDialog.show(fm, "Insert Record Dialog"); } catch (Exception e) { Log.i(TAG, e.getMessage()); } } private DialogFragment getInsertRecordDialog() throws SQLException { List<Task> drivingTaskList = databaseHelper.getTaskDao().queryForAll(); if (drivingTaskList.size() == 0) { return new EditTaskDialog(new Task("", Duration.standardHours(1)), new PostEditExecution() { @Override public void execute() { } }); } else { Record drivingRecord = new Record(drivingTaskList.get(0), new DateTime(), Duration.standardHours(1)); return new InsertRecordDialogNoUpdate(drivingRecord, drivingTaskList, reloadView()); } } private InsertRecordDialogNoUpdate.ReloadView reloadView() { return new InsertRecordDialogNoUpdate.ReloadView() { @Override public void reload() { getActionBar().setSelectedNavigationItem(getActionBar().getSelectedNavigationIndex()); } }; } public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) { if (listOfFragments[tab.getPosition()].isDetached()) ft.attach(listOfFragments[tab.getPosition()]); else { ft.replace(android.R.id.content, listOfFragments[tab.getPosition()]); } } public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) { ft.detach(listOfFragments[tab.getPosition()]); } public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) { ft.detach(listOfFragments[tab.getPosition()]); ft.attach(listOfFragments[tab.getPosition()]); } }