Android Open Source - sensor-theater Main Activity

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From Project

Back to project page sensor-theater.

License

The source code is released under:

Apache License

Java Source Code

package com.example.jac.sensor_theater;
//from  w  w  w  . j  a  va 2 s. c  om

import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Color;
import android.view.Menu;
import android.widget.LinearLayout;
import android.widget.TextView;



import com.jjoe64.graphview.*;
import com.jjoe64.graphview.GraphView.GraphViewData;


import at.abraxas.amarino.Amarino;
import at.abraxas.amarino.AmarinoIntent;


#TODO: Replace Amarino libs

public class MainActivity extends Activity {

  
  private static final String DEVICE_ADDRESS =  "DE:AD:BE:EF:CA:FE";
  private double time_X = 0;

  private GraphViewSeries exampleSeries = new GraphViewSeries(new GraphViewData[] {
            new GraphViewData(0, 0)
           
            
      });  

  private ArduinoReceiver arduinoReceiver = new ArduinoReceiver();
  
  
  /**
   * ArduinoReceiver is responsible for catching broadcasted Amarino
   * events.
   * 
   * It extracts data from the intent and updates the graph accordingly.
   */
  public class ArduinoReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
      String data = null;

      final int dataType = intent.getIntExtra(AmarinoIntent.EXTRA_DATA_TYPE, -1);
      double sensor_data = 0;
      
      if (dataType == AmarinoIntent.STRING_EXTRA){
        data = intent.getStringExtra(AmarinoIntent.EXTRA_DATA);
        time_X += 1;
        if (data != null){
        try {
          sensor_data = Integer.parseInteger(data);
          }
        catch (NumberFormatException e) { }
        exampleSeries.appendData( new GraphViewData(time_X, sensor_data), true, 10);
            TextView debug=(TextView)findViewById(R.id.textView1);
            debug.setText(data);
        }
      }
    }
  }
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    GraphView graphView = new LineGraphView(
            this // context
            , "GraphView");
    
    graphView.setScrollable(true);
    graphView.setScalable(true);
    graphView.setViewPort(1, 60);
    graphView.addSeries(exampleSeries);

    graphView.setBackgroundColor(Color.rgb(80, 30, 30));
    
    LinearLayout layout = (LinearLayout) findViewById(R.id.graph1);
    layout.addView(graphView);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }
  
  @Override
  protected void onStart() {
    super.onStart();
    registerReceiver(arduinoReceiver, new IntentFilter(AmarinoIntent.ACTION_RECEIVED));
    Amarino.connect(this, DEVICE_ADDRESS);
    
  }

  @Override
  protected void onStop() {
    super.onStop();
    Amarino.disconnect(this, DEVICE_ADDRESS);
    unregisterReceiver(arduinoReceiver);
  }
  

}

Java Source Code List

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