Android Open Source - CoolWeather Graph

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Back to project page CoolWeather.
License

The source code is released under:
GNU General Public License
If you think the Android project CoolWeather 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 org.das.coolweather.fragments;
//from   ww w.j  av a 2 s  .c  o  m
import java.util.Calendar;
import java.util.GregorianCalendar;

import org.das.coolweather.R;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.jjoe64.graphview.GraphView;
import com.jjoe64.graphview.GraphViewSeries;
import com.jjoe64.graphview.LineGraphView;
import com.jjoe64.graphview.GraphView.GraphViewData;
import com.jjoe64.graphview.GraphView.LegendAlign;
import com.jjoe64.graphview.GraphViewSeries.GraphViewSeriesStyle;

import android.app.Fragment;
import android.graphics.Color;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;

public class Graph extends Fragment {

  private JSONObject data;
  
  public static Fragment newInstance() {
    Graph fragment = new Graph();
    return fragment;
  }
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.graph,
        container, false);
    try {
      data = new JSONObject(getActivity().getIntent().getStringExtra("JSON_DATA"));
      setupChart(rootView);
    } catch (JSONException e) {
      e.printStackTrace();
    }
    return rootView;
  }
  
  private void setupChart(View rootView) throws JSONException {
    LineGraphView l1 = new LineGraphView(getActivity().getApplicationContext(), getActivity().getString(R.string.WeeklyTemperatures));
      
        //Definimos la grafica
    GraphView graphView =l1;
      JSONArray datosSemana = data.getJSONArray("list");
      
      GraphViewData[] maxData = new GraphViewData[datosSemana.length()];
      GraphViewData[] minData = new GraphViewData[datosSemana.length()];
      for(int i = 0; i < datosSemana.length(); i++){
      
      double maxima = Double.parseDouble(datosSemana.getJSONObject(i).getJSONObject("temp").getString("max"));
      double minima = Double.parseDouble(datosSemana.getJSONObject(i).getJSONObject("temp").getString("min"));
      maxData[i] = new GraphViewData(i, maxima);
      minData[i] = new GraphViewData(i, minima);
      }
       

        //Creamos un estilo para la linea
        GraphViewSeriesStyle estilo= new GraphViewSeriesStyle(Color.RED,4);
        //Los aadimos a una serie, objeto que se aade al grafico
        GraphViewSeries maximos = new GraphViewSeries(getActivity().getString(R.string.Maximus), estilo, maxData);
        
        //annadimos los datos 
        graphView.addSeries(maximos);
        
        estilo = new GraphViewSeriesStyle(Color.WHITE, 4);
        //Los aadimos a una serie, objeto que se aade al grafico
        GraphViewSeries minimos = new GraphViewSeries(getActivity().getString(R.string.Minimus), estilo, minData);
        
        //annadimos los datos 
        graphView.addSeries(minimos); 
     
        
        //Estilos
      //Rellenamos la superficie que ocupan las lineas
        ((LineGraphView) graphView).setDrawBackground(true);
        ((LineGraphView) graphView).setDrawDataPoints(true);
        
          //Tamanio del texto
        graphView.getGraphViewStyle().setTextSize(18);
          //Color de la rejilla
        graphView.getGraphViewStyle().setGridColor(Color.WHITE);
          //Color de la guia horizontal
        graphView.getGraphViewStyle().setHorizontalLabelsColor(Color.CYAN);
          //Color de la gui vertical
        graphView.getGraphViewStyle().setVerticalLabelsColor(Color.CYAN);
          //Numero de divisiones verticales (Una por dato)
        graphView.getGraphViewStyle().setNumVerticalLabels(maxData.length);
          //numero de divisiones horizontales ( una por dia de la semana)
//        graphView.getGraphViewStyle().setNumHorizontalLabels(7);
          //Mostramos la leyenda
        graphView.setShowLegend(true);
          //Posicionamos el la leyenda en la parte inferior derecha
        graphView.setLegendAlign(LegendAlign.BOTTOM);
          //Definimos la guia horizontal con los dias de la semana 
        graphView.setHorizontalLabels(calcularDias());
        //Posicionamos la camara en el centro de la grafica
//        graphView.setMinimumHeight(500);
//    graphView.setMinimumWidth(300);
      
    LinearLayout layout = (LinearLayout) rootView.findViewById(R.id.graph);
    layout.addView(graphView);
  }
  
  private String[] calcularDias(){
    String[] dias= new String[]{"L", "M", "X", "J", "V", "S", "D"};;
    Calendar c= new GregorianCalendar();
    int dia=c.get(Calendar.DAY_OF_WEEK);
      switch (dia) {
              case Calendar.TUESDAY:
                dias= new String[]{"M", "X", "J", "V", "S", "D","L"};
                     break;
              case Calendar.WEDNESDAY:
                dias= new String[]{"X", "J", "V", "S", "D","L", "M"};
                     break;
              case Calendar.THURSDAY:
                dias= new String[]{"J", "V", "S", "D","L", "M", "X"};
                     break;
              case Calendar.FRIDAY:
                dias= new String[]{"V", "S", "D","L", "M", "X", "J"};
                     break;
              case Calendar.SATURDAY:
                dias= new String[]{"S", "D","L", "M", "X", "J", "V",};
                     break;
              case Calendar.SUNDAY:
                dias= new String[]{"D","L", "M", "X", "J", "V", "S" };
                     break;
      }
    return dias;
  }

}
Java Source Code List
