Examples/DemoApp/src/com/androidplot/demos/SimpleXYPlotActivity.java

/*
 * Copyright 2012 AndroidPlot.com
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.androidplot.demos;
import android.app.Activity;
import android.os.Bundle;
import android.view.WindowManager;
import com.androidplot.xy.SimpleXYSeries;
import com.androidplot.xy.XYSeries;
import com.androidplot.xy.*;
import java.util.Arrays;

/**
 * A straightforward example of using AndroidPlot to plot some data.
 */
public class SimpleXYPlotActivity extends Activity
{

    private XYPlot plot;

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        // fun little snippet that prevents users from taking screenshots
        // on ICS+ devices :-)
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE,
                                 WindowManager.LayoutParams.FLAG_SECURE);
        setContentView(R.layout.simple_xy_plot_example);

        // initialize our XYPlot reference:
        plot = (XYPlot) findViewById(R.id.mySimpleXYPlot);

        // Create a couple arrays of y-values to plot:
        Number[] series1Numbers = {1, 8, 5, 2, 7, 4};
        Number[] series2Numbers = {4, 6, 3, 8, 2, 10};

        // Turn the above arrays into XYSeries':
        XYSeries series1 = new SimpleXYSeries(
                Arrays.asList(series1Numbers),          // SimpleXYSeries takes a List so turn our array into a List
                SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, // Y_VALS_ONLY means use the element index as the x value
                "Series1");                             // Set the display title of the series

        // same as above
        XYSeries series2 = new SimpleXYSeries(Arrays.asList(series2Numbers), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "Series2");

        // Create a formatter to use for drawing a series using LineAndPointRenderer
        // and configure it from xml:
        LineAndPointFormatter series1Format = new LineAndPointFormatter();
        series1Format.setPointLabelFormatter(new PointLabelFormatter());
        series1Format.configure(getApplicationContext(),
                R.xml.line_point_formatter_with_plf1);

        // add a new series' to the xyplot:
        plot.addSeries(series1, series1Format);

        // same as above:
        LineAndPointFormatter series2Format = new LineAndPointFormatter();
        series2Format.setPointLabelFormatter(new PointLabelFormatter());
        series2Format.configure(getApplicationContext(),
                R.xml.line_point_formatter_with_plf2);
        plot.addSeries(series2, series2Format);

        // reduce the number of range labels
        plot.setTicksPerRangeLabel(3);
        plot.getGraphWidget().setDomainLabelOrientation(-45);

    }
}