Skip to content
Advertisement

Tag: listview

Attempt to invoke virtual method ‘void android.widget.ListView.setAdapter(android.widget.ListAdapter)’ on a null object reference :KOTLIN

I am getting this from Logcat 2022-01-07 20:27:46.539 14327-14327/com.example.donedoobnew2 E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.donedoobnew2, PID: 14327 java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.widget.ListView.setAdapter(android.widget.ListAdapter)’ on a null object reference at com.example.donedoobnew2.Fragments.FragmentMinistries.onCreateView(FragmentMinisteries.kt:29) FragmentMinistries.kt CListAdapter.kt } CList.kt fragment_ministries.xml item_listview.xml Answer You are trying to access ListView before inflating fragment view.

Unable to add more than one item in a listview

I am working on a tasks app, for which I created a list view that shows list items consitsting of task names, their priority etc. The data given to the list view is from an sqlite database. I, however, am unable to add more than one item to the list. I have no idea why. I have created a method

HeaderListView with Horizontal Scrolling Header

I’m looking for a HeaderListView like this one: http://applidium.github.io/HeaderListView/ but instead have a header that has a horizontal scrolling ability that lists categories of my list view, like in uber eats where it comes up with stuff like: Drinks Coke Sprite Pizza Pepperoni Pizza Cheese Pizza In the header it will have tabs: Drinks Pizza If you’re viewing the drinks,

JavaFX – Change ListView’s FocusModel

I have a ListView and am currently overriding the SelectionModel to prevent selection of the items, but when you attempt to select an item, it is still showing the outline. Reading over the API, I found that I can do the same thing but this time by overriding the FocusModel using And here is my SettingsFocusModel It is not working

Advertisement