如何控制MPAndroidChart饼图中的每个切片的单击？我知道我们可以控制单击饼图,但是我想单击图的切片并查找单击了哪个切片？

解决方法:

您的活动必须实现OnChartValueSelectedListener接口.

如documentation中所述,“让您应该接收回调的类实现此接口并将其设置为图表的侦听器”

public class MyActivity implements OnChartValueSelectedListener{
    @Override
    public void onNothingSelected(){
        // do stuff
    }
    @Override
    public void onValueSelected(Entry e, int dataSetIndex, Highlight h){
        Log.i("I clicked on", String.valueOf(e.getXIndex()) );
    }
    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        ...
        (PieChart)chart = (PieChart) findViewById(R.id.chart);
        ...
        chart.setOnChartValueSelectedListener(this); // remember this :) !
    }
}