Java tutorial
/** * The MIT License (MIT) * Copyright (c) 2014 Timotei Albu, David Chau-Tran, Alain Clark, Shawn Anderson, Mickael Zerihoun * * 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 ca.cs.ualberta.localpost.view; import android.annotation.SuppressLint; import android.app.ActionBar; import android.app.ActionBar.Tab; import android.app.FragmentTransaction; import android.content.Intent; import android.content.SharedPreferences; import android.location.Address; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.support.v4.view.ViewPager; import android.view.Menu; import android.view.MenuItem; import ca.cs.ualberta.localpost.controller.ConnectivityCheck; import ca.cs.ualberta.localpost.controller.Serialize; import ca.cs.ualberta.localpost.controller.TabsPagerAdapter; import ca.cs.ualberta.localpost.model.StandardUserModel; /** * Main code was provided from Android Hive. Code was changed to fix project * requirements. * Creates the Tab Views * @author team01 * */ // Some code was provided from: // http://www.androidhive.info/2013/10/android-tab-layout-with-swipeable-views-1/ public class MainActivity extends FragmentActivity implements ActionBar.TabListener { /** Adapters used to create the tabbed views/fragments */ private ViewPager viewPager; private TabsPagerAdapter mAdapter; private ActionBar actionBar; private String[] tabs = { "Fresh", "Latest", "Greatest", "No Pics", "Pics" }; // public Bitmap picture; /** Creates a model object of StandardUserModel.class */ private StandardUserModel standardUser; @SuppressLint("NewApi") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Loads existing user or creates a new one try { standardUser = Serialize.loaduser(getApplicationContext()); } catch (Exception e) { e.printStackTrace(); } ConnectivityCheck conn = new ConnectivityCheck(this); if (conn.isConnectingToInternet()) { // Set the users default location GPSLocation gpsLocation = new GPSLocation(getApplicationContext()); Address address = gpsLocation.getAddress(); standardUser.setAddress(address); } // Save users current location in file Serialize.SaveUser(standardUser, getApplicationContext()); /** Generate The Tab Views */ viewPager = (ViewPager) findViewById(R.id.pager); actionBar = getActionBar(); mAdapter = new TabsPagerAdapter(getSupportFragmentManager()); viewPager.setAdapter(mAdapter); actionBar.setHomeButtonEnabled(false); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); for (String tab : tabs) { actionBar.addTab(actionBar.newTab().setText(tab).setTabListener(this)); } viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageSelected(int position) { // on changing the page // make respected tab selected actionBar.setSelectedNavigationItem(position); } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { } @Override public void onPageScrollStateChanged(int arg0) { } }); } @Override public void onTabReselected(Tab tab, FragmentTransaction ft) { } @Override public void onTabSelected(Tab tab, FragmentTransaction ft) { viewPager.setCurrentItem(tab.getPosition()); } @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) { } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } /** * Adds the following items to action bar icons * * @param item * Takes in a menu item * @return Returns a action bar with new comment and view user profile * buttons. * */ @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.addNewComment: try { standardUser = StandardUserModel.getInstance(this); SharedPreferences app_preferences = getApplicationContext().getSharedPreferences("PREF", MODE_PRIVATE); String getUsername = app_preferences.getString("username", "anonymous"); standardUser.setUsername(getUsername); GPSLocation gpsLocation = new GPSLocation(getApplicationContext()); Address address = gpsLocation.getAddress(); standardUser.setAddress(address); } catch (Exception e) { e.printStackTrace(); } Intent myIntent = new Intent(getApplicationContext(), SubmitComment.class); startActivity(myIntent); return true; case R.id.viewUserProfile: Intent myIntent2 = new Intent(getApplicationContext(), UserProfile.class); startActivity(myIntent2); return true; default: return super.onOptionsItemSelected(item); } } }