Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2015 Thomas F. Roseman * * 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 sx.tfr.openraid.Activity; import android.content.Intent; import android.support.v7.app.ActionBarActivity; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import com.google.gson.Gson; import com.google.gson.JsonObject; import org.json.JSONArray; import java.util.ArrayList; import sx.tfr.openraid.Adapters.EventListAdapter; import sx.tfr.openraid.EventObject.Event; import sx.tfr.openraid.R; import sx.tfr.openraid.Util.JsonUtil; public class EventList extends ActionBarActivity { // Need to be out for usage private ListView mainListView; //Generic List to populate private Gson gson = new Gson(); private static ArrayList<Event> eventsArrayList = new ArrayList<Event>(); private JSONArray jsonArray = new JSONArray(); private ArrayList<JsonObject> eventsList; private ArrayAdapter<String> listAdapter; //String storage to be put in the listview @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_event_list); //Get any information from the parent activity Intent intent = getIntent(); Bundle extras = intent.getExtras(); JsonUtil.clean(); eventsArrayList = JsonUtil.fromString_toEvent(extras.getString("json")); //Trigger the list elements to be created mainListView = (ListView) findViewById(R.id.listView); mainListView.setAdapter(new EventListAdapter(this.getApplicationContext(), eventsArrayList)); mainListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Event event = (Event) parent.getItemAtPosition(position); Intent intent = new Intent(EventList.this, EventView.class); Bundle bundle = new Bundle(); bundle.putSerializable("event", event); intent.putExtras(bundle); startActivity(intent); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_event_list, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } }