MPChartExample/src/com/xxmassdeveloper/mpchartexample/CombinedChartActivity.java

package com.xxmassdeveloper.mpchartexample;

import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;

import com.github.mikephil.charting.charts.CombinedChart;
import com.github.mikephil.charting.charts.CombinedChart.DrawOrder;
import com.github.mikephil.charting.components.AxisBase;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.XAxis.XAxisPosition;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.BarData;
import com.github.mikephil.charting.data.BarDataSet;
import com.github.mikephil.charting.data.BarEntry;
import com.github.mikephil.charting.data.BubbleData;
import com.github.mikephil.charting.data.BubbleDataSet;
import com.github.mikephil.charting.data.BubbleEntry;
import com.github.mikephil.charting.data.CandleData;
import com.github.mikephil.charting.data.CandleDataSet;
import com.github.mikephil.charting.data.CandleEntry;
import com.github.mikephil.charting.data.CombinedData;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;
import com.github.mikephil.charting.data.ScatterData;
import com.github.mikephil.charting.data.ScatterDataSet;
import com.github.mikephil.charting.formatter.AxisValueFormatter;
import com.github.mikephil.charting.interfaces.datasets.IDataSet;
import com.github.mikephil.charting.utils.ColorTemplate;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;

import java.util.ArrayList;

public class CombinedChartActivity extends DemoBase {

    private CombinedChart mChart;
    private final int itemcount = 12;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.activity_combined);

        mChart = (CombinedChart) findViewById(R.id.chart1);
        mChart.setDescription("");
        mChart.setBackgroundColor(Color.WHITE);
        mChart.setDrawGridBackground(false);
        mChart.setDrawBarShadow(false);

        // draw bars behind lines
        mChart.setDrawOrder(new DrawOrder[]{
                DrawOrder.BAR, DrawOrder.BUBBLE, DrawOrder.CANDLE, DrawOrder.LINE, DrawOrder.SCATTER
        });

        Legend l = mChart.getLegend();
        l.setWordWrapEnabled(true);
        l.setPosition(Legend.LegendPosition.BELOW_CHART_CENTER);

        YAxis rightAxis = mChart.getAxisRight();
        rightAxis.setDrawGridLines(false);
        rightAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setDrawGridLines(false);
        leftAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

        XAxis xAxis = mChart.getXAxis();
        xAxis.setPosition(XAxisPosition.BOTH_SIDED);
        xAxis.setAxisMinValue(0f);
        xAxis.setGranularity(1f);
        xAxis.setValueFormatter(new AxisValueFormatter() {
            @Override
            public String getFormattedValue(float value, AxisBase axis) {
                return mMonths[(int) value % mMonths.length];
            }

            @Override
            public int getDecimalDigits() {
                return 0;
            }
        });

        CombinedData data = new CombinedData();

        data.setData(generateLineData());
        data.setData(generateBarData());
        data.setData(generateBubbleData());
        data.setData(generateScatterData());
        data.setData(generateCandleData());
        data.setValueTypeface(mTfLight);

        xAxis.setAxisMaxValue(data.getXMax() + 0.25f);

        mChart.setData(data);
        mChart.invalidate();
    }

    private LineData generateLineData() {

        LineData d = new LineData();

        ArrayList<Entry> entries = new ArrayList<Entry>();

        for (int index = 0; index < itemcount; index++)
            entries.add(new Entry(index + 0.5f, getRandom(15, 5)));

        LineDataSet set = new LineDataSet(entries, "Line DataSet");
        set.setColor(Color.rgb(240, 238, 70));
        set.setLineWidth(2.5f);
        set.setCircleColor(Color.rgb(240, 238, 70));
        set.setCircleRadius(5f);
        set.setFillColor(Color.rgb(240, 238, 70));
        set.setMode(LineDataSet.Mode.CUBIC_BEZIER);
        set.setDrawValues(true);
        set.setValueTextSize(10f);
        set.setValueTextColor(Color.rgb(240, 238, 70));

        set.setAxisDependency(YAxis.AxisDependency.LEFT);

        d.addDataSet(set);

        return d;
    }

    private BarData generateBarData() {

        BarData d = new BarData();
        d.setBarWidth(0.9f);

        ArrayList<BarEntry> entries = new ArrayList<BarEntry>();

        for (int index = 0; index < itemcount; index++)
            entries.add(new BarEntry(index + 0.5f, getRandom(25, 25)));

        BarDataSet set = new BarDataSet(entries, "Bar DataSet");
        set.setColor(Color.rgb(60, 220, 78));
        set.setValueTextColor(Color.rgb(60, 220, 78));
        set.setValueTextSize(10f);
        d.addDataSet(set);

        set.setAxisDependency(YAxis.AxisDependency.LEFT);

        return d;
    }

    protected ScatterData generateScatterData() {

        ScatterData d = new ScatterData();

        ArrayList<Entry> entries = new ArrayList<Entry>();

        for (float index = 0; index < itemcount; index += 0.5f)
            entries.add(new Entry(index + 0.25f, getRandom(10, 55)));

        ScatterDataSet set = new ScatterDataSet(entries, "Scatter DataSet");
        set.setColors(ColorTemplate.MATERIAL_COLORS);
        set.setScatterShapeSize(7.5f);
        set.setDrawValues(false);
        set.setValueTextSize(10f);
        d.addDataSet(set);

        return d;
    }

    protected CandleData generateCandleData() {

        CandleData d = new CandleData();

        ArrayList<CandleEntry> entries = new ArrayList<CandleEntry>();

        for (int index = 0; index < itemcount; index += 2)
            entries.add(new CandleEntry(index + 1f, 90, 70, 85, 75f));

        CandleDataSet set = new CandleDataSet(entries, "Candle DataSet");
        set.setDecreasingColor(Color.rgb(142, 150, 175));
        set.setShadowColor(Color.DKGRAY);
        set.setBarSpace(0.3f);
        set.setValueTextSize(10f);
        set.setDrawValues(false);
        d.addDataSet(set);

        return d;
    }

    protected BubbleData generateBubbleData() {

        BubbleData bd = new BubbleData();

        ArrayList<BubbleEntry> entries = new ArrayList<BubbleEntry>();

        for (int index = 0; index < itemcount; index++) {
            float y = getRandom(10, 105);
            float size = getRandom(50, 105);
            entries.add(new BubbleEntry(index + 0.5f, y, size));
        }

        BubbleDataSet set = new BubbleDataSet(entries, "Bubble DataSet");
        set.setColors(ColorTemplate.VORDIPLOM_COLORS);
        set.setValueTextSize(10f);
        set.setValueTextColor(Color.WHITE);
        set.setHighlightCircleWidth(1.5f);
        set.setDrawValues(true);
        bd.addDataSet(set);

        return bd;
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.combined, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.actionToggleLineValues: {
                for (IDataSet set : mChart.getData().getDataSets()) {
                    if (set instanceof LineDataSet)
                        set.setDrawValues(!set.isDrawValuesEnabled());
                }

                mChart.invalidate();
                break;
            }
            case R.id.actionToggleBarValues: {
                for (IDataSet set : mChart.getData().getDataSets()) {
                    if (set instanceof BarDataSet)
                        set.setDrawValues(!set.isDrawValuesEnabled());
                }

                mChart.invalidate();
                break;
            }
        }
        return true;
    }
}