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Histogram.java
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Thu, Jan 2, 23:12

Histogram.java
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package com.example.genomicprivacy;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import org.achartengine.ChartFactory;
import org.achartengine.GraphicalView;
import org.achartengine.chart.BarChart.Type;
import org.achartengine.chart.PointStyle;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYSeries;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;
import FrameWork.DBconnector_mu;
import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.Paint.Align;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.MenuItem;
import android.widget.LinearLayout;
/**
* @author Serrano Kevin
* @author Weber Jeremy
*
*/
public class Histogram extends Activity {
/**
* Chart
*/
private GraphicalView mChart;
/**
* result of the patient on which we perform the test
*/
private double result = ContextApp.getResult12();
/**
* Stats
*/
private ArrayList[] stats = null;
/**
* number of patient
*/
private ArrayList<Integer> nbPatient = null;
/**
* AllRequest
*/
private ArrayList<Double> allResults = null;
/**
* all the statistics
*/
private double[] x_results = null;
/**
* Number of time a patient has the same susceptibility
*/
private double[] y_patients = null;
/**
* ID_p
*/
private int id_p = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.histo_bar);
Intent intent = getIntent();
id_p = intent.getIntExtra("id_p", 0);
result = 57;
new getStats().execute();
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
// OpenChart();
}
public boolean onOptionsItemSelected(MenuItem item){
finish();
return true;
}
/**
* Show histogram.
*/
public class getStats extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... params) {
try {
stats = DBconnector_mu.getStats(12);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
// TODO Auto-generated method stub
super.onPostExecute(result);
double[] XAxis = new double[21];
int index = 0;
double max = 0;
for (int i = 0; i < XAxis.length; i++) {
XAxis[i] = index;
index += 5;
}
allResults = stats[0];
nbPatient = stats[1];
x_results = new double[allResults.size()];
y_patients = new double[nbPatient.size()];
for (int i = 0; i < allResults.size(); i++) {
x_results[i] = allResults.get(i);
y_patients[i] = (double) nbPatient.get(i);
}
// Create XY Series for X Series.
XYSeries xSeries = new XYSeries("Number of persons");
XYSeries resultPatient = new XYSeries("Patient "+id_p+", result: "+Histogram.this.result);
// Adding data to the X Series every 5 unit
ArrayList<Double> c = new ArrayList<Double>();
for (int i = 0; i < x_results.length; i++) {
int modulo = (int) (x_results[i] % 5);
if (modulo < 3) {
x_results[i] = x_results[i] - modulo;
} else {
x_results[i] = x_results[i] - modulo + 5;
}
}
//For the x result we delete the doublon and for each x we map it to number of time it appears.
HashMap<Double, Double> mappingXY = new HashMap<Double, Double>();
for (int i = 0; i < x_results.length; i++) {
if (mappingXY.containsKey(x_results[i])) {
mappingXY
.put(x_results[i], mappingXY.get(x_results[i]) + 1);
if(mappingXY.get(x_results[i])>max){
max = mappingXY.get(x_results[i]);
}
} else {
mappingXY.put(x_results[i], 1.0);
}
}
for (int i = 0; i < mappingXY.size(); i++) {
xSeries.add(x_results[i], mappingXY.get(x_results[i]));
}
// Create a Dataset to hold the XSeries.
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
resultPatient.add(Histogram.this.result,max);
// Add X series to the Dataset.
dataset.addSeries(xSeries);
dataset.addSeries(resultPatient);
// Create XYSeriesRenderer to customize XSeries
XYSeriesRenderer Xrenderer = new XYSeriesRenderer();
Xrenderer.setColor(Color.RED);
Xrenderer.setPointStyle(PointStyle.DIAMOND);
Xrenderer.setDisplayChartValues(false);
Xrenderer.setChartValuesTextSize(30);
Xrenderer.setLineWidth(20);
XYSeriesRenderer ResultRenderer = new XYSeriesRenderer();
ResultRenderer.setColor(Color.BLUE);
ResultRenderer.setPointStyle(PointStyle.POINT);
ResultRenderer.setLineWidth(1);
// Create XYMultipleSeriesRenderer to customize the whole chart
XYMultipleSeriesRenderer mRenderer = new XYMultipleSeriesRenderer();
mRenderer.setChartTitle("Result Vs Number People");
mRenderer.setChartTitleTextSize(50);
mRenderer.setAxisTitleTextSize(40);
mRenderer.setAxesColor(Color.BLACK);
mRenderer.setLabelsColor(Color.BLACK);
mRenderer.setXTitle("Result in %");
mRenderer.setGridColor(Color.BLACK);
mRenderer.setApplyBackgroundColor(true);
mRenderer.setBackgroundColor(Color.TRANSPARENT);
mRenderer.setMarginsColor(Color.argb(0x00, 0x01, 0x01, 0x01));
mRenderer.setXLabels(10);
mRenderer.setPanEnabled(false);
mRenderer.setBarSpacing(0.10);
mRenderer.setLegendTextSize(40);
mRenderer.setYAxisMin(0);
mRenderer.setXAxisMin(0);
mRenderer.setXAxisMax(100);
mRenderer.setShowGridX(true);
mRenderer.setMargins(new int[] { 70, 50, 70, 40 });
mRenderer.setBackgroundColor(Color.TRANSPARENT);
mRenderer.setYLabelsAlign(Align.LEFT);
// Adding the XSeriesRenderer to the MultipleRenderer.
mRenderer.addSeriesRenderer(Xrenderer);
mRenderer.addSeriesRenderer(ResultRenderer);
LinearLayout chart_container = (LinearLayout) findViewById(R.id.Chart_layout);
chart_container.setBackgroundColor(Color.TRANSPARENT);
// Creating an intent to plot line chart using dataset and
// multipleRenderer
mChart = ChartFactory.getBarChartView(getApplicationContext(),
dataset, mRenderer, Type.DEFAULT);
// Add the graphical view mChart object into the Linear layout .
chart_container.addView(mChart);
}
}
}

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