我使用MPAndroidChart库实现了 Barchart ，如何实现 Barchart 中每个栏的点击侦听器。我想显示Toast中单击的 bar 值。如何实现这一点？

mChart =(BarChart)findViewById(R.id.chart1);

mChart.setDrawYValues(true);

mChart.setDrawValueAboveBar(true);

mChart.setDescription("");

mChart.setMaxVisibleValueCount(10);

mChart.set3DEnabled(false);

mChart.setPinchZoom(false);

mChart.setUnit(" mg / dL");

mChart.setDrawGridBackground(false);

mChart.setDrawHorizo​​ntalGrid(true);

mChart.setDrawVerticalGrid(false);

mChart.setValueTextSize(10f);

mChart.setDrawBorder(false);

XLabels xl = mChart.getXLabels();

xl.setPosition(XLabelPosition.BOTTOM);

xl.setSpaceBetweenLabels(10);

xl.setCenterXLabelText(true);

YLabels yl = mChart.getYLabels();

yl.setLabelCount(8);

yl.setPosition(YLabelPosition.LEFT);

setData();

图例l = mChart.getLegend();

l.setPosition(LegendPosition.BELOW_CHART_RIGHT);

l.setFormSize(8f);

l.setXEntrySpace(4f);

mChart.animateY(3000);

private void setData(){

ArrayList< String> xVals = new ArrayList< String>();

xVals.add(" F");

xVals.add(" PP");

xVals.add(" U");

xVals.add(" C");

xVals.add(" TC");

xVals.add(" Tri");

xVals.add(" HDL");

xVals.add(" LDL");

xVals.add(" VLDL");

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

yVals1.add(new BarEntry(95，0));

yVals1.add(new BarEntry(99，1));

yVals1.add(new BarEntry(19，2));

yVals1.add(new BarEntry((float)1.21，3));

yVals1.add(new BarEntry(250，4));

yVals1.add(new BarEntry(323，5));

yVals1.add(new BarEntry(47，6));

yVals1.add(new BarEntry(135，7));

yVals1.add(new BarEntry(68，8));

BarDataSet set1 = new BarDataSet(yVals1，"");

//set1.setColors(ColorTemplate.VORDIPLOM_COLORS);

set1.setColors(new int [] {R.color.green，R.color.green，R.color.green，R.color.green，R.color.margin，R.color.red，R .color.green，R.color.green，R.color.green}，getApplicationContext());

set1.setBarSpacePercent(50f);

ArrayList< BarDataSet> dataSets = new ArrayList< BarDataSet>();

dataSets.add(set1);

BarData数据=新的BarData(xVals，dataSets);

mChart.setData(data);

}

解决方案

尝试实现OnChartValueSelectedListener出现在mpandroidchart库中