代码是:
private RadarChart chart; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.activity_radarchart); setTitle("RadarChartActivity"); chart = (RadarChart)findViewById(R.id.chart1); chart.setBackgroundColor(Color.rgb(60, 65, 82)); chart.getDescription().setEnabled(false); chart.setWebLineWidth(1f); chart.setWebColor(Color.LTGRAY); chart.setWebLineWidthInner(1f); chart.setWebColorInner(Color.LTGRAY); chart.setWebAlpha(100); // create a custom MarkerView (extend MarkerView) and specify the layout // to use for it MarkerView mv = new RadarMarkerView(this, R.layout.radar_markerview); mv.setChartView(chart); // For bounds control chart.setMarker(mv); // Set the marker to the chart setData(); chart.animateXY(1400, 1400, Easing.EaseInOutQuad); XAxis xAxis = chart.getXAxis(); xAxis.setTypeface(tfLight); xAxis.setTextSize(9f); xAxis.setYOffset(0f); xAxis.setXOffset(0f); xAxis.setValueFormatter(new IAxisValueFormatter() { private final String[] mActivities = new String[]{"团队", "贡献", "对外", "质量", "数量"}; @Override public String getFormattedValue(float value, AxisBase axisBase) { return mActivities[(int) value % mActivities.length]; } }); xAxis.setTextColor(Color.WHITE); YAxis yAxis = chart.getYAxis(); yAxis.setTypeface(tfLight); yAxis.setLabelCount(5, false); yAxis.setTextSize(9f); yAxis.setAxisMinimum(0f); yAxis.setAxisMaximum(80f); yAxis.setDrawLabels(false); Legend l = chart.getLegend(); l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP); l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.CENTER); l.setOrientation(Legend.LegendOrientation.HORIZONTAL); l.setDrawInside(false); l.setTypeface(tfLight); l.setXEntrySpace(7f); l.setYEntrySpace(5f); l.setTextColor(Color.WHITE); } private void setData() { float mul = 80; float min = 20; int cnt = 5; ArrayList<RadarEntry> entries1 = new ArrayList<>(); ArrayList<RadarEntry> entries2 = new ArrayList<>(); // NOTE: The order of the entries when being added to the entries array determines their position around the center of // the chart. for (int i = 0; i < cnt; i++) { entries1.add(new RadarEntry(60)); } for (int i = 0; i < cnt; i++) { if(i == 0) { entries2.add(new RadarEntry(100)); }else if(i == 1) { entries2.add(new RadarEntry(80)); }else{ entries2.add(new RadarEntry(40)); } } RadarDataSet set1 = new RadarDataSet(entries1, "Last Week"); set1.setColor(Color.rgb(103, 110, 129)); set1.setFillColor(Color.rgb(103, 110, 129)); set1.setDrawFilled(true); set1.setFillAlpha(180); set1.setLineWidth(2f); set1.setDrawHighlightCircleEnabled(true); set1.setDrawHighlightIndicators(false); RadarDataSet set2 = new RadarDataSet(entries2, "This Week"); set2.setColor(Color.rgb(121, 162, 175)); set2.setFillColor(Color.rgb(121, 162, 175)); set2.setDrawFilled(true); set2.setFillAlpha(180); set2.setLineWidth(2f); set2.setDrawHighlightCircleEnabled(true); set2.setDrawHighlightIndicators(false); ArrayList<IRadarDataSet> sets = new ArrayList<>(); sets.add(set1); sets.add(set2); RadarData data = new RadarData(sets); data.setValueTypeface(tfLight); data.setValueTextSize(8f); data.setDrawValues(false); data.setValueTextColor(Color.WHITE); chart.setData(data); chart.invalidate(); }
数据源的添加部分是:
ArrayList<RadarEntry> entries1 = new ArrayList<>(); ArrayList<RadarEntry> entries2 = new ArrayList<>(); // NOTE: The order of the entries when being added to the entries array determines their position around the center of // the chart. for (int i = 0; i < cnt; i++) { entries1.add(new RadarEntry(60)); } for (int i = 0; i < cnt; i++) { if(i == 0) { entries2.add(new RadarEntry(100)); }else if(i == 1) { entries2.add(new RadarEntry(80)); }else{ entries2.add(new RadarEntry(40)); } }
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