René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Android] BottomNavigation crash when using :active + no Image in TabStripItem","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: latest (6.3.3)\r\n - Cross-platform modules: latest (6.3.0) and next (^6.3.0-next-2020-01-30-213549-03)\r\n - Android Runtime: 6.3.0\r\n - iOS Runtime: n/a\r\n\r\n**To Reproduce**\r\n- Use [this app ](https://github.com/NickIliev/NS-Issues-2020/tree/master/others/t-1452319)(template with tab navigation)\r\n- Observe [the CSS files for Android](https://github.com/NickIliev/NS-Issues-2020/blob/master/others/t-1452319/app/app.android.scss#L4-L13)\r\n- **Remove/comment** all **Image** tags from all **TabStripItem** elements (e.g. [here](https://github.com/NickIliev/NS-Issues-2020/blob/master/others/t-1452319/app/app-root.xml#L7))\r\n- Press on any tab  - as a result, thapp will crash with\r\n\r\n```\r\nSystem.err: An uncaught Exception occurred on \"main\" thread.\r\nSystem.err: Calling js method onSelectedPositionChange failed\r\nSystem.err: Error: undefined is not a valid file or resource.\r\nSystem.err: \r\nSystem.err: StackTrace:\r\nSystem.err: push.../node_modules/@nativescript/core/image-source/image-source.js.ImageSource.fromFileOrResourceSync(file:///node_modules/@nativescript/core/image-source/image-source.js:118:0)\r\nSystem.err:     at push.../node_modules/@nativescript/core/ui/bottom-navigation/bottom-navigation.js.BottomNavigation.getIcon(file:///node_modules/@nativescript/core/ui/bottom-navigation/bottom-navigation.js:474:0)\r\nSystem.err:     at push.../node_modules/@nativescript/core/ui/bottom-navigation/bottom-navigation.js.BottomNavigation.setTabBarIconColor(file:///node_modules/@nativescript/core/ui/bottom-navigation/bottom-navigation.js:533:0)\r\nSystem.err:     at (file:///node_modules/@nativescript/core/ui/tab-navigation-base/tab-strip-item/tab-strip-item.js:97:0)\r\n```\r\n\r\n**Expected behavior**\r\nThe app doesn't crash when using **:active** state in combination with TabStripItem (with no Image)\r\n\r\n**Sample project**\r\nhttps://github.com/NickIliev/NS-Issues-2020/tree/master/others/t-1452319\r\n\r\n**Additional context**\r\nThe issue is not present if we remove [the **:active** state CSS class.](https://github.com/NickIliev/NS-Issues-2020/blob/master/others/t-1452319/app/app.android.scss#L10-L13)\r\n\r\nReported via t.1452320","author":{"url":"https://github.com/NickIliev","@type":"Person","name":"NickIliev"},"datePublished":"2020-02-05T08:57:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/8311/NativeScript/issues/8311"}