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I have a bar graph using AChartEngine library as shown below :: public class MainActivity extends Activity { private String[] mMonth = new String[] { "Jan", "Feb" , "Mar", "Apr", "May", "Jun", "Jul", "Aug" , "Sep", "Oct", "Nov", "Dec" }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Getting reference to the button btn_chart Button btnChart = (Button) findViewById(R.id.btn_chart); // Defining click event listener for the button btn_chart OnClickListener clickListener = new OnClickListener() { @Override public void onClick(View v) { // Draw the Income vs Expense Chart openChart(); } }; // Setting event click listener for the button btn_chart of the MainActivity layout 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 }; // Creating an XYSeries for Income //CategorySeries incomeSeries = new CategorySeries("Income"); XYSeries incomeSeries = new XYSeries("Income"); // Creating an XYSeries for Income XYSeries expenseSeries = new XYSeries("Expense"); // Adding data to Income and Expense Series for(int i=0;i<x.length;i++){ incomeSeries.add(i,income[i]); expenseSeries.add(i,expense[i]); } // Creating a dataset to hold each series XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); // Adding Income Series to the dataset dataset.addSeries(incomeSeries); // Adding Expense Series to dataset dataset.addSeries(expenseSeries); // Creating XYSeriesRenderer to customize incomeSeries XYSeriesRenderer incomeRenderer

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