我想製作一個條形圖。所以我在互聯網上的代碼,但我有問題,我不知道如何解決。有誰知道如何使用MPAndroidChart?
我正在使用這些代碼。
public class tecAmc extends Fragment {
public tecAmc() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
//Alterar nome da actionbar
((MenuDrawer) getActivity()).setActionBarTitle("AMC");
BarChart chart = (BarChart) getView().findViewById(R.id.chart);
BarData data = new BarData(getXAxisValues(), getDataSet());
chart.setData(data);
chart.setDescription("My Chart");
chart.animateXY(2000, 2000);
chart.invalidate();
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_tec_amc, container, false);
}
public ArrayList<BarDataSet> getDataSet() {
ArrayList<BarDataSet> dataSets = null;
ArrayList<BarEntry> valueSet1 = new ArrayList<>();
BarEntry v1e1 = new BarEntry(110.000f, 0); // Jan
valueSet1.add(v1e1);
BarEntry v1e2 = new BarEntry(40.000f, 1); // Feb
valueSet1.add(v1e2);
BarEntry v1e3 = new BarEntry(60.000f, 2); // Mar
valueSet1.add(v1e3);
BarEntry v1e4 = new BarEntry(30.000f, 3); // Apr
valueSet1.add(v1e4);
BarEntry v1e5 = new BarEntry(90.000f, 4); // May
valueSet1.add(v1e5);
BarEntry v1e6 = new BarEntry(100.000f, 5); // Jun
valueSet1.add(v1e6);
ArrayList<BarEntry> valueSet2 = new ArrayList<>();
BarEntry v2e1 = new BarEntry(150.000f, 0); // Jan
valueSet2.add(v2e1);
BarEntry v2e2 = new BarEntry(90.000f, 1); // Feb
valueSet2.add(v2e2);
BarEntry v2e3 = new BarEntry(120.000f, 2); // Mar
valueSet2.add(v2e3);
BarEntry v2e4 = new BarEntry(60.000f, 3); // Apr
valueSet2.add(v2e4);
BarEntry v2e5 = new BarEntry(20.000f, 4); // May
valueSet2.add(v2e5);
BarEntry v2e6 = new BarEntry(80.000f, 5); // Jun
valueSet2.add(v2e6);
BarDataSet barDataSet1 = new BarDataSet(valueSet1, "Brand 1");
barDataSet1.setColor(Color.rgb(0, 155, 0));
BarDataSet barDataSet2 = new BarDataSet(valueSet2, "Brand 2");
barDataSet2.setColors(ColorTemplate.COLORFUL_COLORS);
dataSets = new ArrayList<>();
dataSets.add(barDataSet1);
dataSets.add(barDataSet2);
return dataSets;
}
public ArrayList<String> getXAxisValues() {
ArrayList<String> xAxis = new ArrayList<>();
xAxis.add("JAN");
xAxis.add("FEB");
xAxis.add("MAR");
xAxis.add("APR");
xAxis.add("MAY");
xAxis.add("JUN");
return xAxis;
}
}
而我有兩行的問題:
BarData data = new BarData(getXAxisValues(), getDataSet()); chart.setDescription("My Chart");
的問題是:
BarData(com.github.mikephil.charting.interfaces .datasets.IBarDataSet ...)在 BarData不能應用於(java.util.ArrayList, java.util.ArrayList)
請幫幫我。
你可以分享'BarDataSet'構造函數嗎? –
由於版本問題可能發生此錯誤。檢查版本以及該版本的X軸支持。請參閱此鏈接https://stackoverflow.com/questions/38262649/mpandroidchart-why-bardata-constructor-not-work,https://stackoverflow.com/questions/37214617/cannot-resolve-constructor-bardata – sivaprakash
可能的重複[我如何在Mchacha的barcharts中添加X軸標籤](https://stackoverflow.com/questions/44194550/how-do-i-add-x-axis-lables-in-mpcharts-for-barcharts) –