java - numetriclabz / numandroidchart how to space out the bars in a stacked bar chart / stacked percentage column chart -


i trying create 100% stacked bar chart in android using numetriclabz / numandroidchart library.

i have been able draw chart want format things make better since right looking cluttered, tried find solution no avail.

i have few questions , great if guys can me out :

  • how can seperate out bars in stacked bar chart / stacked percentage column chart ?
  • how can change colors of bars?
  • how can draw trendline in stacked bar chart ?
  • how put label inside bar?

  • how can remove description @ bottom if want to?

  • is there other chart library should use myself in this, have used mpandroidchart library dont know if has trendline required in project.

here code of mainactivity.java :

package com.example.android.testingbarchart;  import android.app.activity; import android.os.bundle;  import com.numetriclabz.numandroidcharts.chartdata; import com.numetriclabz.numandroidcharts.stackedbarchart;  import java.util.arraylist; import java.util.list;   public class mainactivity extends activity {      stackedbarchart chart;     list<chartdata> value;       @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);          chart = (stackedbarchart) findviewbyid(r.id.chart);          value = new arraylist<>();          float[] value1 = {2f,3f,6f };         float[] value2 = {3f,5f,7f };          value.add(new chartdata(value1, "jone"));         value.add(new chartdata(value2, "joe"));          list<string> h_lables = new arraylist<>();         h_lables.add("sun");         h_lables.add("mon");         h_lables.add("tue");          chart.setlabels(h_lables);          chart.setpercentagestacked(true);          chart.setdata(value);          chart.setdescription("");    //        chart.sethorizontal_label(h_lables); deprecated  //        list<chartdata> trendzone = new arraylist<>(); //        trendzone.add(new chartdata(14f, 17f,"target range")); //        chart.settrendzones(trendzone); // //        chart.setdescription(""); // //        chart.setgesture(false);      }  }

and here image while testing since not allowed post images yet posted link.

any useful.


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