René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"tns-core-modules + nativescript-advanced-webview + navigation is crashing the app","articleBody":"**Environment**\r\nProvide version numbers for the following components (information can be retrieved by running `tns info` in your project folder or by inspecting the `package.json` of the project):\r\n - CLI:  6.1.2\r\n - Cross-platform modules: 6.1.1\r\n - Android Runtime: 6.1.x\r\n - Plugin(s): nativescript-advaced-webview@4.0.1\r\n\r\n**Describe the bug**\r\nNavigating to a page that contains `BottomNavigation` (or `Tabs`) + having [nativescript-advanced-webview](https://github.com/bradmartin/nativescript-advanced-webview) as a **dependency** (not even explicitly used/initialized) is crashing the app with:\r\n\r\n```\r\nSystem.err: An uncaught Exception occurred on \"main\" thread.\r\nSystem.err: The specified child already has a parent. You must call removeView() on the child's parent first.\r\nSystem.err:\r\nSystem.err: StackTrace:\r\nSystem.err: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.\r\nSystem.err:     at android.view.ViewGroup.addViewInner(ViewGroup.java:5034)\r\nSystem.err:     at android.view.ViewGroup.addView(ViewGroup.java:4865)\r\nSystem.err:     at android.view.ViewGroup.addView(ViewGroup.java:4805)\r\nSystem.err:     at android.view.ViewGroup.addView(ViewGroup.java:4778)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:887)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManagerImpl.java:1238)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:1303)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.dispatchStateChange(FragmentManagerImpl.java:2656)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManagerImpl.java:2610)\r\nSystem.err:     at androidx.fragment.app.Fragment.performActivityCreated(Fragment.java:2619)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:904)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManagerImpl.java:1238)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:1303)\r\nSystem.err:     at androidx.fragment.app.BackStackRecord.executeOps(BackStackRecord.java:439)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.executeOps(FragmentManagerImpl.java:2076)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether(FragmentManagerImpl.java:1866)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManagerImpl.java:1821)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl.execPendingActions(FragmentManagerImpl.java:1727)\r\nSystem.err:     at androidx.fragment.app.FragmentManagerImpl$2.run(FragmentManagerImpl.java:150)\r\nSystem.err:     at android.os.Handler.handleCallback(Handler.java:873)\r\nSystem.err:     at android.os.Handler.dispatchMessage(Handler.java:99)\r\nSystem.err:     at android.os.Looper.loop(Looper.java:193)\r\nSystem.err:     at android.app.ActivityThread.main(ActivityThread.java:6669)\r\nSystem.err:     at java.lang.reflect.Method.invoke(Native Method)\r\nSystem.err:     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)\r\nSystem.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)\r\n```\r\n\r\n**To Reproduce**\r\n\u003c!-- Add commands used or steps taken to reproduce the behavior. --\u003e\r\n\r\n Use [this branch](https://github.com/NativeScript/login-tab-navigation-ng/tree/niliev/bottom-nav-scenario) of the test app.\r\n- Navigate to the tabs page\r\n- press the second navigation button\r\n- return back to the tabs page\r\n\r\n**Result:** the app will crash.\r\nIf you uninstall the nativescript-advanced-webview and make clean rebuild the issue will be gone.\r\n\r\n\r\n**Sample project**\r\nhttps://github.com/NativeScript/login-tab-navigation-ng/tree/niliev/bottom-nav-scenario\r\n\r\n","author":{"url":"https://github.com/NickIliev","@type":"Person","name":"NickIliev"},"datePublished":"2019-10-03T11:36:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/7901/NativeScript/issues/7901"}