package com.xxmassdeveloper.mpchartexample; import android.content.Intent; import android.graphics.Color; import android.net.Uri; 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.IAxisValueFormatter; 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 chart; private final int count = 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); setTitle("CombinedChartActivity"); chart = findViewById(R.id.chart1); chart.getDescription().setEnabled(false); chart.setBackgroundColor(Color.WHITE); chart.setDrawGridBackground(false); chart.setDrawBarShadow(false); chart.setHighlightFullBarEnabled(false); // draw bars behind lines chart.setDrawOrder(new DrawOrder[]{ DrawOrder.BAR, DrawOrder.BUBBLE, DrawOrder.CANDLE, DrawOrder.LINE, DrawOrder.SCATTER }); Legend l = chart.getLegend(); l.setWordWrapEnabled(true); l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM); l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.CENTER); l.setOrientation(Legend.LegendOrientation.HORIZONTAL); l.setDrawInside(false); YAxis rightAxis = chart.getAxisRight(); rightAxis.setDrawGridLines(false); rightAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true) YAxis leftAxis = chart.getAxisLeft(); leftAxis.setDrawGridLines(false); leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true) XAxis xAxis = chart.getXAxis(); xAxis.setPosition(XAxisPosition.BOTH_SIDED); xAxis.setAxisMinimum(0f); xAxis.setGranularity(1f); xAxis.setValueFormatter(new IAxisValueFormatter() { @Override public String getFormattedValue(float value, AxisBase axis) { return months[(int) value % months.length]; } }); CombinedData data = new CombinedData(); data.setData(generateLineData()); data.setData(generateBarData()); data.setData(generateBubbleData()); data.setData(generateScatterData()); data.setData(generateCandleData()); data.setValueTypeface(tfLight); xAxis.setAxisMaximum(data.getXMax() + 0.25f); chart.setData(data); chart.invalidate(); } private LineData generateLineData() { LineData d = new LineData(); ArrayList entries = new ArrayList<>(); for (int index = 0; index < count; 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() { ArrayList entries1 = new ArrayList<>(); ArrayList entries2 = new ArrayList<>(); for (int index = 0; index < count; index++) { entries1.add(new BarEntry(0, getRandom(25, 25))); // stacked entries2.add(new BarEntry(0, new float[]{getRandom(13, 12), getRandom(13, 12)})); } BarDataSet set1 = new BarDataSet(entries1, "Bar 1"); set1.setColor(Color.rgb(60, 220, 78)); set1.setValueTextColor(Color.rgb(60, 220, 78)); set1.setValueTextSize(10f); set1.setAxisDependency(YAxis.AxisDependency.LEFT); BarDataSet set2 = new BarDataSet(entries2, ""); set2.setStackLabels(new String[]{"Stack 1", "Stack 2"}); set2.setColors(Color.rgb(61, 165, 255), Color.rgb(23, 197, 255)); set2.setValueTextColor(Color.rgb(61, 165, 255)); set2.setValueTextSize(10f); set2.setAxisDependency(YAxis.AxisDependency.LEFT); float groupSpace = 0.06f; float barSpace = 0.02f; // x2 dataset float barWidth = 0.45f; // x2 dataset // (0.45 + 0.02) * 2 + 0.06 = 1.00 -> interval per "group" BarData d = new BarData(set1, set2); d.setBarWidth(barWidth); // make this BarData object grouped d.groupBars(0, groupSpace, barSpace); // start at x = 0 return d; } private ScatterData generateScatterData() { ScatterData d = new ScatterData(); ArrayList entries = new ArrayList<>(); for (float index = 0; index < count; 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; } private CandleData generateCandleData() { CandleData d = new CandleData(); ArrayList entries = new ArrayList<>(); for (int index = 0; index < count; 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; } private BubbleData generateBubbleData() { BubbleData bd = new BubbleData(); ArrayList entries = new ArrayList<>(); for (int index = 0; index < count; index++) { float y = getRandom(10, 105); float size = getRandom(100, 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.viewGithub: { Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse("https://github.com/PhilJay/MPAndroidChart/blob/master/MPChartExample/src/com/xxmassdeveloper/mpchartexample/CombinedChartActivity.java")); startActivity(i); break; } case R.id.actionToggleLineValues: { for (IDataSet set : chart.getData().getDataSets()) { if (set instanceof LineDataSet) set.setDrawValues(!set.isDrawValuesEnabled()); } chart.invalidate(); break; } case R.id.actionToggleBarValues: { for (IDataSet set : chart.getData().getDataSets()) { if (set instanceof BarDataSet) set.setDrawValues(!set.isDrawValuesEnabled()); } chart.invalidate(); break; } case R.id.actionRemoveDataSet: { int rnd = (int) getRandom(chart.getData().getDataSetCount(), 0); chart.getData().removeDataSet(chart.getData().getDataSetByIndex(rnd)); chart.getData().notifyDataChanged(); chart.notifyDataSetChanged(); chart.invalidate(); break; } } return true; } @Override public void saveToGallery() { /* Intentionally left empty */ } }