Android Open Source - AndroidNetworkKit Main Activity

• Back to Framework/Network  ↑

From Project

Back to project page AndroidNetworkKit.

License

The source code is released under:

Apache License

Java Source Code

package com.mindblowninnovation.ank;
/*  w ww.jav a2 s . c  o m*/
import java.util.ArrayList;
import java.util.List;

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

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.net.wifi.WifiConfiguration.Status;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;


public class MainActivity extends Activity implements OnClickListener{
  final static String TAG = "MainActivity";
  ProgressDialog progress;
  Context context;
  Button search;
  ListView lv;
  EditText query;
  TracksAdapter adapter;
  ArrayList<Track> tracks;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);
        this.context = this;
        progress= new ProgressDialog(context);
        
        search = (Button)findViewById(R.id.search);
        search.setOnClickListener(this);
        query = (EditText)findViewById(R.id.query);
        
        tracks = new ArrayList<Track>();
        lv = (ListView) findViewById(R.id.list);
    }

    @Override
  public void onClick(View arg0) {
      //Generate a get request to the following URL
      String url = "track.json";
      List<NameValuePair> pairs = new ArrayList<NameValuePair>();
      //set a get param called query, set to the value of the edit text
    pairs.add(new BasicNameValuePair("q", query.getText().toString())); 
    progress.setTitle("Loading Songs");
    progress.show();
      GetTracks getter = new GetTracks(url, ANUtils.ACTION_GET, pairs, "tracks", asyncHandler, context);
      getter.execute();
  }  
    
    public class GetTracks extends ANTask{
      Status status;
    public GetTracks(String URL, String action, List<NameValuePair> params,
        String type, Handler mainUIHandler, Context context) {
      super(URL, action, params, type, mainUIHandler, context);
    }

    @Override
    protected Object decode(String jsondata) throws JSONException {
      Log.d("JSON", jsondata);
      JSONObject ob = new JSONObject(jsondata);
      JSONArray jtracks = ob.getJSONArray("tracks");
      for(int i = 0; i < jtracks.length(); i++){
        JSONObject jtrack = (JSONObject) jtracks.get(i);
        tracks.add(new Track(jtrack));
      }
      return tracks;
    }
    
    }
    ANHandler asyncHandler = new ANHandler()
    {
      @Override
      public void resultOK(Message msg) 
      {
        Bundle b = msg.getData();

        if(progress.isShowing()){
          progress.dismiss();
        }
        tracks = (ArrayList<Track>)msg.obj;
        adapter = new TracksAdapter(MainActivity.this, R.layout.track_cell, tracks);
        lv.setAdapter(adapter);
        adapter.notifyDataSetChanged();
      }

      @Override
      public void resultFailed(Message msg) {
        Log.d("LocationActivity", "Handling Error Message");
        if(progress.isShowing()){
          progress.dismiss();
        }
      }
    };
    private class TracksAdapter extends ArrayAdapter<Track> 
    {
      private ArrayList<Track> tracks;
      public TracksAdapter(Context context, int textViewResourceId, ArrayList<Track> bs) 
      {
        super(context, textViewResourceId, bs);
        this.tracks = bs;
      }
      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
        View v = convertView;
        if (v == null) {
          LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
          v = vi.inflate(R.layout.track_cell, null);
        }
        Track aTrack = tracks.get(position);

        //initialize all the text views
        TextView text = (TextView) v.findViewById(R.id.title);
        text.setText(aTrack.name);
        TextView artists = (TextView) v.findViewById(R.id.artists);
        artists.setText("By "+ aTrack.getArtists());
        return v;
      }
    }
    
}

Java Source Code List

• Back to Framework/Network  ↑