Not able to save custom chart

[sarathraj-coder]

hi , while i am saving a dynamically created chart like below .
pieChart = new PieChart(getContext());
then i am getting error while saving

try {
                    if (pieChart.saveToGallery(getFileName(fullPath),50)) {
                        Toast.makeText(getContext(), "Saving SUCCESSFUL!",
                                Toast.LENGTH_SHORT).show();
                        openFile(fullPath);
                    } else {
                        Toast.makeText(getContext(), "Saving FAILED!", Toast.LENGTH_SHORT)
                                .show();
                    }
                }catch (Exception e){
                    e.printStackTrace();
                }

Error is

java.lang.IllegalArgumentException: width and height must be > 0
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at android.graphics.Bitmap.createBitmap(Bitmap.java:807)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at android.graphics.Bitmap.createBitmap(Bitmap.java:786)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at android.graphics.Bitmap.createBitmap(Bitmap.java:753)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at com.github.mikephil.charting.charts.Chart.getChartBitmap(Chart.java:1501)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at com.github.mikephil.charting.charts.Chart.saveToGallery(Chart.java:1607)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at com.github.mikephil.charting.charts.Chart.saveToGallery(Chart.java:1646)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at com.acelrtech.graphlibrary.GraphFragment.saveGraph(GraphFragment.java:153)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at com.acelrtech.graphlibrary.GraphFragment.draw_multi_bar_chart(GraphFragment.java:426)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at com.acelrtech.graphlibrary.GraphFragment.generateGraph(GraphFragment.java:111)
07-27 17:22:04.639 19413-19413/com.acelrtech.tracer W/System.err:     at com.acelrtech.graphlibrary.GraphFragment.onCreateView(GraphFragment.java:93)

[PhilJay]

This error occurs because you have not added your chart to a layout, and therefore it has no size (which it needs).