Android Open Source - mobile-android Conference List Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.manyconf.conference;
// w w w.j  ava 2s.  co m
import android.app.Activity;
import android.app.Application;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;

public class ConferenceListActivity extends Activity implements AdapterView.OnItemClickListener  {

    private ListView mainListView;
    private ArrayAdapter mArrayAdapter;

//    LinkedHashMap<Integer, ConferenceModel> conferenceList;
    private ArrayList<ConferenceModel> conferenceList;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        Log.d("manyconf.clist", "onCreate()");
        super.onCreate(savedInstanceState);

        conferenceList = new ArrayList(((ConferenceApplication) getApplication()).getConferenceList().values());

        setContentView(R.layout.activity_conference_list);

        // Set this activity to react to list items being pressed
        mainListView = (ListView) findViewById(R.id.conference_listview);
        mainListView.setOnItemClickListener(this);

        // Create an ArrayAdapter for the ListView
        /*
        ArrayList<ConferenceModel> modelList = new ArrayList(conferenceList.values());
        mArrayAdapter = new ArrayAdapter(this,
                android.R.layout.simple_list_item_1,
                modelList);
                */
        ArrayList modelList = new ArrayList(conferenceList);
        mArrayAdapter = new ThemedArrayAdapter(this,
                android.R.layout.simple_list_item_1,
                modelList);

        // Set the ListView to use the ArrayAdapter
        mainListView.setAdapter(mArrayAdapter);

        mArrayAdapter.notifyDataSetChanged();
    }

    @Override
    public void onItemClick(AdapterView parent, View view, int position, long id) {
        Log.d("manyconf.clist", "clicked");

        Intent detailIntent = new Intent(this, ConferenceDetailActivity.class);
        ConferenceModel cm = conferenceList.get(position);
        detailIntent.putExtra("conferenceListID", cm.conferenceID);
        startActivity(detailIntent);
    }
/*
    @Override
    public void retrievedConferenceList(ArrayList<ConferenceModel> conferenceList) {
        Log.d("manyconf.main", "retrievedConferenceList()");

        if(conferenceList.size() == 0) {
            Toast.makeText(getApplicationContext(), "Can't access network", Toast.LENGTH_SHORT).show();
            Log.d("manyconf.main", "couldn't refresh from network");
            return;
        }

        Log.d("manyconf.main", "updating screen with latest results");
        Toast.makeText(getApplicationContext(), "Updated", Toast.LENGTH_SHORT).show();
        updateListView(conferenceList);
    }
    */

    /*
    // This may get called twice; once when the cache is parsed, and again when we're
    // done fetching the latest copy from the intarwebz. So it's synchronized, to avoid any hassles.
    synchronized public void updateListView(ArrayList<ConferenceModel> conferenceList) {
        this.conferenceList = conferenceList;
        ((ConferenceApplication) this.getApplication()).conferenceList = conferenceList;

        // Create an ArrayAdapter for the ListView
        mArrayAdapter = new ArrayAdapter(this,
                android.R.layout.simple_list_item_1,
                conferenceList);

        // Set the ListView to use the ArrayAdapter
        mainListView.setAdapter(mArrayAdapter);

        mArrayAdapter.notifyDataSetChanged();
    }
    */
/*
    @Override
    public void retrievedCachedConferenceList(ArrayList<ConferenceModel> conferenceList) {
        Log.d("manyconf.main", "retrievedCachedConferenceList()");
        if(conferenceList.size() == 0) {
            Log.d("manyconf.main", "There wasn't any cache, not displaying anything");
            return;
        }

        Log.d("manyconf.main", "Updating screen with cached copy");
        updateListView(conferenceList);
    }
    */

    // http://stackoverflow.com/questions/7361135/how-to-change-color-and-font-on-listview
    private class ConferenceListAdapter extends ArrayAdapter<String> {

        public ConferenceListAdapter(Context context, int textViewResourceId, String[] objects) {
            super(context, textViewResourceId, objects);
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {


            View view = super.getView(position, convertView, parent);

            TextView tv = (TextView) view;
            tv.setTypeface(Theme.current().regularFont);

            return view;
        }
    }
}

Java Source Code List

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