Android Open Source - VisEQ Host Sound 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;
/*  ww  w .j a v  a  2  s.  co m*/
import android.app.Activity;
import android.graphics.Color;
import android.graphics.Typeface;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.view.Gravity;
import android.view.Menu;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ToggleButton;

public class HostSoundVisualizationActivity extends Activity {
  
  private VisualizerView vizView;
  private static int saveSlider = 0;

  public static boolean dirty = false;
  public static boolean flash = false;
  public static String[] data = new String[VisualizerView.NUM_BANDS];
  
  AsyncTask<Void,String,String> my_task;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    dirty = false;
    data = new String[VisualizerView.NUM_BANDS];
    
    requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
                                WindowManager.LayoutParams.FLAG_FULLSCREEN);
    
    setContentView(R.layout.activity_host_sound_visualization);
    
    my_task = new AsyncTask<Void,String,String>() {
      int flashTime = 0;
      @Override
      protected String doInBackground(Void... params) {
        while (!isCancelled()) {
          try {
            Thread.sleep(20);
          }
          catch (InterruptedException e) {
            e.printStackTrace();
          }
          if (dirty) {
            vizView.SetCircleStates(data);
            dirty = false;
          }
          if (flash)
          {
            vizView.flash = true;
            flash = false;
          }
          //if (flashTime == 1)
            //vizView.flash = false;
          
          //flashTime = ++flashTime % 2;
        }
        return "hostsoundvisualization asynctask canceled";
      }
    };
    
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
        my_task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[])null);
    else
        my_task.execute((Void[])null);
    
    vizView = (VisualizerView)findViewById(R.id.visualizer);
    
    
    
    vizView.init(this, true);
    
    LinearLayout controls = new LinearLayout(this);
    controls.setOrientation(LinearLayout.VERTICAL);
    controls.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));
    LinearLayout text = new LinearLayout(this);
    text.setOrientation(LinearLayout.HORIZONTAL);
    text.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));
    LinearLayout text2 = new LinearLayout(this);
    text2.setOrientation(LinearLayout.HORIZONTAL);
    text2.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT, 1));
    LinearLayout text3 = new LinearLayout(this);
    text3.setOrientation(LinearLayout.HORIZONTAL);
    text3.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT, 1));
    SeekBar freqSlider = new SeekBar(this);
    RelativeLayout.LayoutParams params =  new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
    params.setMargins(3,3,3,3);
    freqSlider.setLayoutParams(params);
    freqSlider.setMax(PlayerActivity.NUM_FLASH_BANDS - 1);
    freqSlider.setProgress(saveSlider);
    TextView lowText = new TextView(this);
    lowText.setText("Bass drum");
    TextView highText = new TextView(this);
    highText.setText("Hi-hat");
    //lowText.setGravity(Gravity.LEFT);
    //highText.setGravity(Gravity.RIGHT);
    text2.setGravity(Gravity.LEFT);
    text3.setGravity(Gravity.RIGHT);
    lowText.setTextColor(Color.WHITE);
    highText.setTextColor(Color.WHITE);
    Typeface font = Typeface.createFromAsset(getAssets(), "Mission Gothic Light.otf");
    lowText.setTypeface(font);
    highText.setTypeface(font);
    text2.addView(lowText);
    text3.addView(highText);
    controls.addView(freqSlider);
    text.addView(text2);
    text.addView(text3);
    controls.addView(text);
    
    ToggleButton tog = (ToggleButton)findViewById(R.id.taptoflash);
    tog.setChecked(!MyApplication.tapToFlash);
    tog.setTextOff("Auto");
    tog.setTextOn("Auto");
    tog.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

      @Override
      public void onCheckedChanged(CompoundButton buttonView,
          boolean isChecked) {
        if (isChecked) {
          MyApplication.tapToFlash = false;
        }
        else {
          MyApplication.tapToFlash = true;
          Toast.makeText(HostSoundVisualizationActivity.this, "You've got the lights!  Tap anywhere to flash all party lights.", Toast.LENGTH_SHORT).show();
        }
      }
      
    });
    ((ViewGroup) findViewById(R.id.host_viz_daddy)).addView(controls);
    
freqSlider.setOnSeekBarChangeListener(new OnSeekBarChangeListener(){
      
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                PlayerActivity.BAND_TO_FLASH = progress;
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {;
                
               
               // dialog.show();
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub
              saveSlider = PlayerActivity.BAND_TO_FLASH;
            }

        });

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.host_sound_visualization, menu);
    return true;
  }
  
  @Override
  public void onDestroy() {
    super.onDestroy();
    my_task.cancel(true);
    if (VisualizerView.cam != null) VisualizerView.cam.release();
    VisualizerView.cam = null;
  }

  
  
}
Java Source Code List
