@@ -180,8 +180,9 @@ export class View extends viewCommon.View {
 
     public _removeViewCore(view: viewCommon.View) {
         super._removeViewCore(view);
-        // TODO: Detach from the context?
-        view._onDetached();
+        if (view._context) {
+            view._onDetached();
+        }
     }
 
     public _onAttached(context: android.content.Context) {
@@ -227,7 +228,9 @@ export class View extends viewCommon.View {
                 if (child._isAddedToNativeVisualTree) {
                     that._removeViewFromNativeVisualTree(child);
                 }
-                child._onDetached(force);
+                if (child._context) {
+                    child._onDetached(force);
+                }
                 return true;
             }
             this._eachChildView(eachChild);
 
@@ -579,7 +579,7 @@ var NativeActivity = {
 
     onDestroy: function () {
         let rootView: View = this.rootView
-        if (rootView) {
+        if (rootView && rootView._context) {
             rootView._onDetached(true);
         }
Original file line number	Diff line number	Diff line change
`@@ -579,7 +579,7 @@ var NativeActivity = {`
`579`	`579`
`580`	`580`	`onDestroy: function () {`
`581`	`581`	`let rootView: View = this.rootView`
`582`		`- if (rootView) {`
	`582`	`+ if (rootView && rootView._context) {`
`583`	`583`	`rootView._onDetached(true);`
`584`	`584`	`}`
`585`	`585`