(Xamarin.Android) When I create layout in axml file it shows the following error.
`mono.android.DesignerException: java.lang.NullPointerException
at mono.android.DesignerException.fromThrowable(DesignerException.java:46)
at mono.android.DesignerSession.checkRenderResultForError(DesignerSession.java:187)
at mono.android.DesignerSession.renderInternal(DesignerSession.java:337)
at mono.android.SessionProjectCallback.computeInMonoDroidContextUnsafe(SessionProjectCallback.java:112)
at mono.android.DesignerSession.render(DesignerSession.java:329)
at mono.android.DesignerSession.processMessage(DesignerSession.java:712)
at mono.android.MessageListener.executeMessage(MessageListener.java:88)
at mono.android.MessageListener$Runner.run(MessageListener.java:44)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at android.graphics.Canvas.drawOval(Canvas.java:1142)
at com.numetriclabz.numandroidcharts.PieChartL.onDraw(PieChartL.java:106)
at android.view.View.draw(View.java:17071)
at android.view.View.draw(View.java:16979)
at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764)
at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.draw(View.java:16977)
at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764)
at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.draw(View.java:16977)
at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764)
at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.draw(View.java:16977)
at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764)
at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61)
at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
at android.view.View.draw(View.java:17074)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.renderAndBuildResult(RenderSessionImpl.java:401)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.renderAndBuildResult(RenderSessionImpl.java:548)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.render(RenderSessionImpl.java:422)
at com.android.layoutlib.bridge.BridgeRenderSession.render(BridgeRenderSession.java:104)
at com.android.ide.common.rendering.api.RenderSession.render(RenderSession.java:154)
at com.android.ide.common.rendering.api.RenderSession.render(RenderSession.java:136)
at mono.android.DesignerSession.renderInternal(DesignerSession.java:336)
... 6 more
(Xamarin.Android) When I create layout in axml file it shows the following error.
`mono.android.DesignerException: java.lang.NullPointerException at mono.android.DesignerException.fromThrowable(DesignerException.java:46) at mono.android.DesignerSession.checkRenderResultForError(DesignerSession.java:187) at mono.android.DesignerSession.renderInternal(DesignerSession.java:337) at mono.android.SessionProjectCallback.computeInMonoDroidContextUnsafe(SessionProjectCallback.java:112) at mono.android.DesignerSession.render(DesignerSession.java:329) at mono.android.DesignerSession.processMessage(DesignerSession.java:712) at mono.android.MessageListener.executeMessage(MessageListener.java:88) at mono.android.MessageListener$Runner.run(MessageListener.java:44) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at android.graphics.Canvas.drawOval(Canvas.java:1142) at com.numetriclabz.numandroidcharts.PieChartL.onDraw(PieChartL.java:106) at android.view.View.draw(View.java:17071) at android.view.View.draw(View.java:16979) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGroup.drawChild(ViewGroup.java:3764) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550) at android.view.View.draw(View.java:16977) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGroup.drawChild(ViewGroup.java:3764) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550) at android.view.View.draw(View.java:16977) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGroup.drawChild(ViewGroup.java:3764) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550) at android.view.View.draw(View.java:16977) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3764) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGroup.drawChild(ViewGroup.java:3764) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550) at android.view.View.draw(View.java:17074) at com.android.layoutlib.bridge.impl.RenderSessionImpl.renderAndBuildResult(RenderSessionImpl.java:401) at com.android.layoutlib.bridge.impl.RenderSessionImpl.renderAndBuildResult(RenderSessionImpl.java:548) at com.android.layoutlib.bridge.impl.RenderSessionImpl.render(RenderSessionImpl.java:422) at com.android.layoutlib.bridge.BridgeRenderSession.render(BridgeRenderSession.java:104) at com.android.ide.common.rendering.api.RenderSession.render(RenderSession.java:154) at com.android.ide.common.rendering.api.RenderSession.render(RenderSession.java:136) at mono.android.DesignerSession.renderInternal(DesignerSession.java:336) ... 6 more
`