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

package com.xxmassdeveloper.mpchartexample;

import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

import com.github.mikephil.charting.charts.BarChart;
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.utils.ColorTemplate;
import com.github.mikephil.charting.utils.Legend;
import com.github.mikephil.charting.utils.Legend.LegendPosition;
import com.github.mikephil.charting.utils.XLabels;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;

import java.util.ArrayList;

public class BarChartActivityMultiDataset extends DemoBase implements OnSeekBarChangeListener {

    private BarChart mChart;
    private SeekBar mSeekBarX, mSeekBarY;
    private TextView tvX, tvY;

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

        tvX = (TextView) findViewById(R.id.tvXMax);
        tvY = (TextView) findViewById(R.id.tvYMax);

        mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
        mSeekBarX.setOnSeekBarChangeListener(this);

        mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);
        mSeekBarY.setOnSeekBarChangeListener(this);

        mChart = (BarChart) findViewById(R.id.chart1);
        mChart.setDescription("");
        
        // disable the drawing of values
        mChart.setDrawYValues(false);

        // disable 3D
        mChart.set3DEnabled(false);

        // scaling can now only be done on x- and y-axis separately
        mChart.setPinchZoom(false);
        
//        mChart.setDrawLegend(false);

        mSeekBarX.setProgress(45);
        mSeekBarY.setProgress(100);
        
        Legend l = mChart.getLegend();
        l.setPosition(LegendPosition.RIGHT_OF_CHART);
        
//        XLabels xl  = mChart.getXLabels();
//        xl.setPosition(XLabelPosition.TOP);
//        
//        YLabels yl = mChart.getYLabels();
//        yl.setPosition(YLabelPosition.RIGHT);
    }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {
            case R.id.actionToggleValues: {
                if (mChart.isDrawYValuesEnabled())
                    mChart.setDrawYValues(false);
                else
                    mChart.setDrawYValues(true);
                mChart.invalidate();
                break;
            }
            case R.id.actionTogglePinch: {
                if (mChart.isPinchZoomEnabled())
                    mChart.setPinchZoom(false);
                else
                    mChart.setPinchZoom(true);

                mChart.invalidate();
                break;
            }
            case R.id.actionToggle3D: {
                if (mChart.is3DEnabled())
                    mChart.set3DEnabled(false);
                else
                    mChart.set3DEnabled(true);
                mChart.invalidate();
                break;
            }
            case R.id.actionToggleHighlight: {
                if (mChart.isHighlightEnabled())
                    mChart.setHighlightEnabled(false);
                else
                    mChart.setHighlightEnabled(true);
                mChart.invalidate();
                break;
            }
            case R.id.actionToggleHighlightArrow: {
                if (mChart.isDrawHighlightArrowEnabled())
                    mChart.setDrawHighlightArrow(false);
                else
                    mChart.setDrawHighlightArrow(true);
                mChart.invalidate();
                break;
            }
            case R.id.actionToggleStartzero: {
                if (mChart.isStartAtZeroEnabled())
                    mChart.setStartAtZero(false);
                else
                    mChart.setStartAtZero(true);

                mChart.invalidate();
                break;
            }
            case R.id.actionToggleAdjustXLegend: {
                XLabels xLabels = mChart.getXLabels();
                
                if (xLabels.isAdjustXLabelsEnabled())
                    xLabels.setAdjustXLabels(false);
                else
                    xLabels.setAdjustXLabels(true);

                mChart.invalidate();
                break;
            }
            case R.id.actionSave: {
                // mChart.saveToGallery("title"+System.currentTimeMillis());
                mChart.saveToPath("title" + System.currentTimeMillis(), "");
                break;
            }
            case R.id.animateX: {
                mChart.animateX(3000);
                break;
            }
            case R.id.animateY: {
                mChart.animateY(3000);
                break;
            }
            case R.id.animateXY: {

                mChart.animateXY(3000, 3000);
                break;
            }
        }
        return true;
    }

    @Override
    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
        
        tvX.setText("" + (mSeekBarX.getProgress() + 1));
        tvY.setText("" + (mSeekBarY.getProgress()));

        ArrayList<String> xVals = new ArrayList<String>();
        for (int i = 0; i < mSeekBarX.getProgress(); i++) {
            xVals.add((i) + "");
        }

        ArrayList<BarEntry> yVals1 = new ArrayList<BarEntry>();
        ArrayList<BarEntry> yVals2 = new ArrayList<BarEntry>();
        ArrayList<BarEntry> yVals3 = new ArrayList<BarEntry>();

        for (int i = 0; i < mSeekBarX.getProgress() / 3; i++) {
            float val = (float) (Math.random() * mSeekBarY.getProgress()) + 3;
            yVals1.add(new BarEntry(val, i));
        }

        for (int i = mSeekBarX.getProgress() / 3; i < mSeekBarX.getProgress() / 3 * 2; i++) {
            float val = (float) (Math.random() * mSeekBarY.getProgress()) + 3;
            yVals2.add(new BarEntry(val, i));
        }

        for (int i = mSeekBarX.getProgress() / 3 * 2; i < mSeekBarX.getProgress(); i++) {
            float val = (float) (Math.random() * mSeekBarY.getProgress()) + 3;
            yVals3.add(new BarEntry(val, i));
        }

        // create 3 datasets with different types
        BarDataSet set1 = new BarDataSet(yVals1, "Company A");
        set1.setColors(ColorTemplate.createColors(getApplicationContext(), ColorTemplate.FRESH_COLORS));
        BarDataSet set2 = new BarDataSet(yVals2, "Company B");
        set2.resetColors();
        set2.addColor(getResources().getColor(R.color.liberty_2));
        set2.addColor(getResources().getColor(R.color.liberty_3));
        BarDataSet set3 = new BarDataSet(yVals3, "Company C");
        set3.setColors(ColorTemplate.createColors(getApplicationContext(), ColorTemplate.COLORFUL_COLORS));
        
        ArrayList<BarDataSet> dataSets = new ArrayList<BarDataSet>();
        dataSets.add(set1);
        dataSets.add(set2);
        dataSets.add(set3);

        BarData data = new BarData(xVals, dataSets);

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

    @Override
    public void onStartTrackingTouch(SeekBar seekBar) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onStopTrackingTouch(SeekBar seekBar) {
        // TODO Auto-generated method stub

    }
}