Android Drawing Bar Charting

Layout :

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.bar_graphs.MainActivity" >

    <Button

        android:id="@+id/btn_chart"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_centerVertical="true"

        android:text="@string/str_btn_chart"

        tools:context=".MainActivity" />

</RelativeLayout>

MainActivity :

package com.bar_graphs;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import org.achartengine.ChartFactory;

import org.achartengine.chart.BarChart.Type;

import org.achartengine.chart.PointStyle;

import org.achartengine.model.CategorySeries;

import org.achartengine.model.MultipleCategorySeries;

import org.achartengine.model.XYMultipleSeriesDataset;

import org.achartengine.model.XYSeries;

import org.achartengine.renderer.XYMultipleSeriesRenderer;

import org.achartengine.renderer.XYSeriesRenderer;

import android.graphics.Color;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class MainActivity extends Activity {

private String[] mMonth = new String[] {

       "Jan", "Feb" , "Mar", "Apr", "May", "Jun",

       "Jul", "Aug" , "Sep", "Oct", "Nov", "Dec"

   };

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Button btnChart = (Button) findViewById(R.id.btn_chart);

OnClickListener clickListener = new OnClickListener() {

 

           @Override

           public void onClick(View v) {

              

               openChart();

           }

       };

       btnChart.setOnClickListener(clickListener);

}

private void openChart()

{

        int[] x = { 0,1,2,3,4,5,6,7 };

        int[] income = { 2000,2500,2700,3000,2800,3500,3700,3800};

        int[] expense = {2200, 2700, 2900, 2800, 2600, 3000, 3300, 3400 };

        int[] salary = {5000,2000,3000,4000,4000,7010,8520,6000 };

        // Creating an  XYSeries for Income

        XYSeries incomeSeries = new XYSeries("Income");

        // Creating an  XYSeries for Expense

        XYSeries expenseSeries = new XYSeries("Expense");

        // Adding data to Income and Expense Series

        XYSeries salarySeries=new XYSeries("Salary");

        for(int i=0;i<x.length;i++){

            incomeSeries.add(i,income[i]);

            expenseSeries.add(i,expense[i]);

            salarySeries.add(i, salary[i]);

        }

        XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();

        dataset.addSeries(incomeSeries);

        dataset.addSeries(expenseSeries);

        dataset.addSeries(salarySeries);

        

        XYSeriesRenderer incomeRenderer = new XYSeriesRenderer();

        incomeRenderer.setColor(Color.rgb(130, 130, 230));

        incomeRenderer.setFillPoints(true);

        incomeRenderer.setLineWidth(2);

        incomeRenderer.setDisplayChartValues(true);

        

        XYSeriesRenderer expenseRenderer = new XYSeriesRenderer();

        expenseRenderer.setColor(Color.rgb(220, 80, 80));

        expenseRenderer.setFillPoints(true);

        expenseRenderer.setLineWidth(2);

        expenseRenderer.setDisplayChartValues(true);

        

        XYSeriesRenderer salaryRenderer = new XYSeriesRenderer();

        incomeRenderer.setColor(Color.rgb(160, 160, 260));

        incomeRenderer.setFillPoints(true);

        incomeRenderer.setLineWidth(2);

        incomeRenderer.setDisplayChartValues(true);

        

        XYMultipleSeriesRenderer multiRenderer = new XYMultipleSeriesRenderer();

        multiRenderer.setXLabels(0);

        multiRenderer.setChartTitle("Income vs Expense and Salary Chart");

        multiRenderer.setXTitle("Year 2012");

        multiRenderer.setYTitle("Amount in Dollars");

        multiRenderer.setZoomButtonsVisible(true);

        for(int i=0; i< x.length;i++){

            multiRenderer.addXTextLabel(i, mMonth[i]);

        }

        

        multiRenderer.addSeriesRenderer(incomeRenderer);

        multiRenderer.addSeriesRenderer(expenseRenderer);

        multiRenderer.addSeriesRenderer(salaryRenderer);

        Intent intent = ChartFactory.getBarChartIntent(getBaseContext(), dataset, multiRenderer, Type.DEFAULT);

        

       

        startActivity(intent);

}

}

OutPut :