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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"CommonLayoutParams cannot be cast to android.widget.AbsListView","articleBody":"## Please, provide the details below:\n### Did you verify this is a real problem by searching [Stack Overflow](http://stackoverflow.com/questions/tagged/nativescript) and the [other open issues in this repo](https://github.com/NativeScript/nativescript/issues)?\n\nYes\n### Tell us about the problem\n\nPlease, ensure your title is less than 63 characters long and starts with a capital\nletter.\n\nSo this all works on iOS, the usecase is items in a listview can be clicked, in the client event I change the the class of an object in the listview, and then the text of a label.  In iOS, it selects, on android the code runs, but right after my method the app crashes with this error:\n### Error\n\n```\njava.lang.ClassCastException: org.nativescript.widgets.CommonLayoutParams cannot be cast to android.widget.AbsListView$LayoutParams\nat android.widget.AbsListView$RecycleBin.fillActiveViews(AbsListView.java:8584)\nat android.widget.ListView.layoutChildren(ListView.java:1665)\nat android.widget.AbsListView.onLayout(AbsListView.java:2640)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat org.nativescript.widgets.CommonLayoutParams.layoutChild(CommonLayoutParams.java:189)\nat org.nativescript.widgets.GridLayout.onLayout(GridLayout.java:353)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat android.support.v4.view.ViewPager.onLayout(ViewPager.java:1684)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat org.nativescript.widgets.CommonLayoutParams.layoutChild(CommonLayoutParams.java:189)\nat org.nativescript.widgets.GridLayout.onLayout(GridLayout.java:353)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat org.nativescript.widgets.CommonLayoutParams.layoutChild(CommonLayoutParams.java:189)\nat org.nativescript.widgets.GridLayout.onLayout(GridLayout.java:353)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat org.nativescript.widgets.CommonLayoutParams.layoutChild(CommonLayoutParams.java:189)\nat org.nativescript.widgets.GridLayout.onLayout(GridLayout.java:353)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)\nat android.widget.FrameLayout.onLayout(FrameLayout.java:514)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)\nat android.widget.FrameLayout.onLayout(FrameLayout.java:514)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)\nat android.widget.FrameLayout.onLayout(FrameLayout.java:514)\nat android.view.View.layout(View.java:16922)\nat android.view.ViewGroup.layout(ViewGroup.java:5405)\nat android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2413)\nat android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2122)\nat android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1264)\nat android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6944)\nat android.view.Choreographer$CallbackRecord.run(Choreographer.java:777)\nat android.view.Choreographer.doCallbacks(Choreographer.java:590)\nat android.view.Choreographer.doFrame(Choreographer.java:560)\nat android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:763)\nat android.os.Handler.handleCallback(Handler.java:739)\nat android.os.Handler.dispatchMessage(Handler.java:95)\nat android.os.Looper.loop(Looper.java:145)\nat android.app.ActivityThread.main(ActivityThread.java:6837)\nat java.lang.reflect.Method.invoke(Native Method)\nat java.lang.reflect.Method.invoke(Method.java:372)\nat com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)\nat com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)\n```\n### Which platform(s) does your issue occur on?\n\nAndroid\n### Please provide the following version numbers that your issue occurs with:\n\n```\n{\n  \"name\": \"tns-core-modules\",\n  \"description\": \"Telerik NativeScript Core Modules\",\n  \"version\": \"1.6.0\",\n  \"homepage\": \"https://www.nativescript.org\",\n  \"repository\": {\n    \"type\": \"git\",\n    \"url\": \"https://github.com/NativeScript/NativeScript/commit/185b4c2480d8b08b569d23ebc1e533f684e434a4\"\n  },\n  \"files\": [\n    \"**/*.*\",\n    \"**/*\",\n    \"!.baseDir.*\",\n    \"!node-tests/\",\n    \"!apps/\"\n  ],\n  \"license\": \"Apache-2.0\",\n  \"devDependencies\": {\n    \"chai\": \"3.2.0\",\n    \"grunt\": \"0.4.5\",\n    \"grunt-contrib-clean\": \"0.6.0\",\n    \"grunt-contrib-copy\": \"git+https://github.com/ErjanGavalji/grunt-contrib-copy.git#1c976a133210be4ce8c96313f5daf14833f7f8f9\",\n    \"grunt-env\": \"0.4.4\",\n    \"grunt-exec\": \"0.4.6\",\n    \"grunt-mkdir\": \"0.1.2\",\n    \"grunt-multi-dest\": \"1.0.0\",\n    \"grunt-shell\": \"1.1.2\",\n    \"grunt-simple-mocha\": \"0.4.0\",\n    \"grunt-ts\": \"5.3.2\",\n    \"grunt-typedoc\": \"0.2.3\",\n    \"grunt-untar\": \"0.0.1\",\n    \"mocha\": \"2.2.5\",\n    \"shelljs\": \"0.5.3\",\n    \"grunt-tslint\": \"3.0.0\",\n    \"time-grunt\": \"^1.3.0\",\n    \"tslint\": \"3.3.0\",\n    \"typescript\": \"1.7.5\"\n  },\n  \"typings\": \"tns-core-modules.d.ts\",\n  \"dependencies\": {\n    \"tns-core-modules-widgets\": \"1.6.1\"\n  },\n  \"nativescript\": {\n    \"platforms\": {\n      \"ios\": \"1.6.0\",\n      \"android\": \"1.6.0\"\n    }\n  },\n  \"_id\": \"tns-core-modules@1.6.0\",\n  \"_shasum\": \"2497836382c9857f2dea8e8a7ab59d8c284169a2\",\n  \"_resolved\": \"https://registry.npmjs.org/tns-core-modules/-/tns-core-modules-1.6.0.tgz\",\n  \"_from\": \"tns-core-modules@latest\",\n  \"scripts\": {},\n  \"_npmVersion\": \"2.14.7\",\n  \"_nodeVersion\": \"4.2.2\",\n  \"_npmUser\": {\n    \"name\": \"enchev\",\n    \"email\": \"vladimir.enchev@gmail.com\"\n  },\n  \"dist\": {\n    \"shasum\": \"2497836382c9857f2dea8e8a7ab59d8c284169a2\",\n    \"tarball\": \"http://registry.npmjs.org/tns-core-modules/-/tns-core-modules-1.6.0.tgz\"\n  },\n  \"maintainers\": [\n    {\n      \"name\": \"enchev\",\n      \"email\": \"vladimir.enchev@gmail.com\"\n    },\n    {\n      \"name\": \"erjangavalji\",\n      \"email\": \"erjan.gavalji@gmail.com\"\n    },\n    {\n      \"name\": \"fatme\",\n      \"email\": \"hfatme@gmail.com\"\n    },\n    {\n      \"name\": \"hdeshev\",\n      \"email\": \"hristo@deshev.com\"\n    },\n    {\n      \"name\": \"ligaz\",\n      \"email\": \"stefan.dobrev@gmail.com\"\n    },\n    {\n      \"name\": \"nsndeck\",\n      \"email\": \"nedyalko.nikolov@telerik.com\"\n    },\n    {\n      \"name\": \"sdobrev\",\n      \"email\": \"stefan.dobrev@gmail.com\"\n    },\n    {\n      \"name\": \"valio.stoychev\",\n      \"email\": \"valio.stoychev@gmail.com\"\n    }\n  ],\n  \"_npmOperationalInternal\": {\n    \"host\": \"packages-5-east.internal.npmjs.com\",\n    \"tmp\": \"tmp/tns-core-modules-1.6.0.tgz_1455717250557_0.07532842340879142\"\n  },\n  \"directories\": {}\n}\n```\n### Please tell us how to recreate the issue in as much detail as possible.\n\nhttps://www.dropbox.com/s/ycsfxn1ezqadp5x/OutbreakHelp.zip?dl=0\nIn the app: Resources-\u003eFilterFAB-\u003eCategories-\u003e pick anything\nIn the code: app/views/resources/filter/filter.js line around line 107... this code all WORKS, the crashing happens after it runs.\n### Is there code involved? If so, please share the minimal amount of code needed to recreate the problem.\n\n``` xml\n\u003cGridLayout rows=\"auto, *\" columns=\"*\"\u003e\n                            \u003cLabel row=\"0\" text=\"Topics\" textWrap=\"false\" class=\"type-header\" /\u003e\n                            \u003cListView row=\"1\"  id=\"categoryRepeater\" items=\"{{ topics }}\" itemTap=\"onCategoryTap\"\u003e\n                                \u003cListView.itemTemplate\u003e\n                                    \u003cStackLayout class=\"{{ IsSelected ? 'filter-item-selected' : 'filter-item' }}\" tap=\"onCategoryTap\"\u003e\n                                    \u003cStackLayout class=\"{{ IsChild ? 'filter-child' : '' }}\"\u003e\n                                            \u003cGridLayout rows=\"*\" columns=\"30, *\"\u003e\n                                                \u003cLabel row=\"0\" col=\"0\" text=\"{{ IsSelected ? '\u0026#xe834;' : '\u0026#xe835;' }}\" class=\"selection-icon\" /\u003e\n                                                \u003cLabel row=\"0\" col=\"1\" text=\"{{ Title }}\" class=\"text\" /\u003e\n                                            \u003c/GridLayout\u003e\n                                    \u003c/StackLayout\u003e\n                                    \u003cStackLayout class=\"{{ IsSelected ? 'filter-bottom-selected' : 'filter-bottom' }}\" /\u003e\n                                    \u003c/StackLayout\u003e\n                                \u003c/ListView.itemTemplate\u003e\n                            \u003c/ListView\u003e\n                        \u003c/GridLayout\u003e\n```\n\n``` js\nexports.onCategoryTap = function(args){\n    selectListItem(args, \"categoryRepeater\");\n}\n\nfunction selectListItem(args, repeaterId){\n    var stack = args.object;\n    var item = stack.bindingContext;\n    item.IsSelected = (item.IsSelected) ? false : true;\n    stack.cssClass = (item.IsSelected) ? \"filter-item-selected\" : \"filter-item\";\n\n    var icon = stack.getElementsByClassName(\"selection-icon\")[0];\n\n    if(appModule.ios){\n        icon.fadeOut(1).then(function(){\n            if(item.IsSelected){\n                icon.text = \"\\uE834\"\n\n            }else{\n                icon.text = \"\\uE835\"\n            }\n\n            icon.fadeIn(30);\n        });\n    }else{\n        if(item.IsSelected){\n            icon.text = \"\\uE834\"\n\n        }else{\n            icon.text = \"\\uE835\"\n        }\n    }\n}\n```\n","author":{"url":"https://github.com/sitefinitysteve","@type":"Person","name":"sitefinitysteve"},"datePublished":"2016-03-07T21:05:31.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/1710/NativeScript/issues/1710"}