Android Open Source - VisEQ Preference Visualization Activity

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License

The source code is released under:
Copyright (c) 2012, Spotify AB All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:...
If you think the Android project VisEQ listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.lsu.vizeq;
/*from  w  w  w  .j a  v  a2 s.  c om*/
import java.util.ArrayList;
import java.util.List;

import android.app.ActionBar;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.RelativeLayout;
import android.widget.Toast;

public class PreferenceVisualizationActivity extends BackableActivity {

  public MyApplication myapp;
  public PreferenceVisualizer viz;
  private String currentSort = "none";
  private ActionBar actionBar;
  
  @Override
  protected void onStart(){
    super.onStart();
    actionBar = getActionBar();

    SharedPreferences memory = getSharedPreferences("VizEQ",MODE_PRIVATE);
    int posi = memory.getInt("colorPos", -1);
    if (posi > 0) VizEQ.numRand = posi;    
    switch (VizEQ.numRand)
    {
      case 1:
        actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.Red)));
        break;
      case 2:
        actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.Green)));        
        break;
      case 3:
        actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.Blue)));
        break;
      case 4:
        actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.Purple)));        
        break;
      case 5:
        actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.Orange)));
        break;      
    }
    actionBar.setDisplayShowTitleEnabled(false);
    actionBar.setDisplayShowTitleEnabled(true);
  }
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    myapp = (MyApplication) this.getApplicationContext();
    
    setContentView(R.layout.activity_preference_visualization);
    actionBar = getActionBar();
    actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.LightGreen)));
    
    RelativeLayout vizlayout = (RelativeLayout) findViewById(R.id.vizlayout);
    
    int res_x = this.getResources().getDisplayMetrics().widthPixels;
    int res_y = this.getResources().getDisplayMetrics().heightPixels;
    viz = new PreferenceVisualizer(myapp.requests, res_x, res_y);
    new Thread(new Runnable()
    {

      @Override
      public void run() {
        // TODO Auto-generated method stub
        //viz.init();
        viz.sortByArtist();
        currentSort = "artist";
//        Log.d("viz", "packing circles...");
        //viz.packCircles2();
//        Log.d("viz","circles packed");
        final List<PVCircle> circles = viz.getCircles();
        
        if (circles.isEmpty()==false)
        {
//          Log.d("viz", "circles obtained");
        
          runOnUiThread(new Runnable()
          {
  
            @Override
            public void run() {
              // TODO Auto-generated method stub
//              Log.d("viz", "running on ui thread - viewCircles");
              viewCircles(circles);
              
            }
            
          });
        }
        else 
        {
          runOnUiThread(new Runnable()
          {
            @Override
            public void run() {
              Toast.makeText(PreferenceVisualizationActivity.this, "There are no requests from the crowd", Toast.LENGTH_LONG).show();
            }
          });
        
        }
      }
      
    }).start();
    
  }
  
  public void sortByArtist(View view)
  {
    if(!currentSort.equals("artist"))
    {
      new Thread(new Runnable()
      {
        public void run()
        {
          // TODO Auto-generated method stub
          //viz.init();
          viz.sortByArtist();
          currentSort = "artist";
//          Log.d("viz", "packing circles...");
          //viz.packCircles2();
//          Log.d("viz","circles packed");
          final List<PVCircle> circles = viz.getCircles();
          
          if (circles.isEmpty()==false)
          {
            
//            Log.d("viz", "circles obtained");
            runOnUiThread(new Runnable()
            {
  
              @Override
              public void run() {
                // TODO Auto-generated method stub
//                Log.d("viz", "running on ui thread - viewCircles");
                viewCircles(circles);
              }
              
            });
          }
          else 
          {
            runOnUiThread(new Runnable()
            {
              @Override
              public void run() {
                Toast.makeText(PreferenceVisualizationActivity.this, "There are no requests from the crowd", Toast.LENGTH_LONG).show();
              }
            });
          
          }
        }
      }).start();
    }
  }
  
  public void sortByAlbum(View view)
  {
    if(!currentSort.equals("album"))
    {
      new Thread(new Runnable()
      {
        public void run()
        {
          //viz.init();
          viz.sortByAlbum();
          currentSort = "album";
//          Log.d("viz", "packing circles...");
          //viz.packCircles2();
//          Log.d("viz","circles packed");
          final List<PVCircle> circles = viz.getCircles();
          
          if (circles.isEmpty()==false)
          {
//            Log.d("viz", "circles obtained");
            runOnUiThread(new Runnable()
            {
  
              @Override
              public void run() {
                // TODO Auto-generated method stub
//                Log.d("viz", "running on ui thread - viewCircles");
                viewCircles(circles);
              }
              
            });
          }
          else 
          {
            runOnUiThread(new Runnable()
            {
              @Override
              public void run() {
                Toast.makeText(PreferenceVisualizationActivity.this, "There are no requests from the crowd", Toast.LENGTH_LONG).show();
              }
            });
          
          }
        }
      }).start();
    }
  }
  
  public void sortByTrack(View view)
  {
    if(!currentSort.equals("track"))
    {
      new Thread(new Runnable()
      {
        public void run()
        {
          // TODO Auto-generated method stub
          //viz.init();
          viz.sortByTrack();
          currentSort = "track";
          //viz.packCircles2();
//          Log.d("viz","circles packed");
          final List<PVCircle> circles = viz.getCircles();
          if (viz.getCircles().isEmpty()==false)
          {
//            Log.d("viz", "circles obtained");
            runOnUiThread(new Runnable()
            {
  
              @Override
              public void run() {
                // TODO Auto-generated method stub
//                Log.d("viz", "running on ui thread - viewCircles");
                viewCircles(circles);
              }
              
            });
          }
          else 
          {
            runOnUiThread(new Runnable()
            {
              @Override
              public void run() {
                Toast.makeText(PreferenceVisualizationActivity.this, "There are no requests from the crowd", Toast.LENGTH_LONG).show();
              }
            });
          
          }
        }
      }).start();
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.preference_visualization, menu);
    return true;
  }
  
  public void viewCircles(List<PVCircle> circles)
  {
    RelativeLayout vizlayout = (RelativeLayout) findViewById(R.id.vizlayout);
    vizlayout.removeAllViews();
    List<PreferenceCircle> pCircles = new ArrayList<PreferenceCircle>();
    for(int i=0; i<circles.size(); i++)
    {
      PVCircle currCircle = circles.get(i);

//      Log.d("viewCircles", "currCircle.getRadius = " + currCircle.getRadius());
//      Log.d("viewCircles", "currCircle.getRadius * 300 = " + (currCircle.getRadius()*225));
      PreferenceCircle pCircle = new PreferenceCircle(this, (int) currCircle.getX(), (int) currCircle.getY(), (int) currCircle.getRadius(), currCircle.getName(), currCircle.getTrackList());
//      Log.d("viewCircles", "pCircle.getRadius = " + pCircle.radius);
      pCircle.color = currCircle.getColor();
      pCircles.add(pCircle);
    }
    MyCanvas myCanvas = new MyCanvas(this, pCircles, pCircles.size());
    int width = getResources().getDisplayMetrics().widthPixels;
    int height = getResources().getDisplayMetrics().heightPixels;
    vizlayout.addView(myCanvas, width, height);
  }
  
  public static void getDetails(Context context, PreferenceCircle pCircle)
  {
    Intent i = new Intent(context, RequestDetailsActivity.class);
    i.putParcelableArrayListExtra("tracks", (ArrayList<Track>) pCircle.tracks);
    i.putExtra("requestName", pCircle.name);
    i.putExtra("color", pCircle.color);
    context.startActivity(i);
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle item selection
    switch (item.getItemId()) {
    case R.id.action_settings:
      Intent nextIntent  = new Intent(PreferenceVisualizationActivity.this, ProfileActivity.class);
      startActivity(nextIntent);
      break;
    case R.id.about:
      Intent nextIntent2  = new Intent(PreferenceVisualizationActivity.this, AboutActivity.class);
      startActivity(nextIntent2);
      break;
    default:
      super.onOptionsItemSelected(item);
    }
    return true;
  }

}
Java Source Code List
