I have below code in flutter which shows the list of the names with rank. All are working fine but I want to access the first character of the lastName. When I do this, throws the error Bad State: No…
I'm trying to pass the data of a List for another screen but i don't know how to do that. I've tried using constructors and using correctly null-safety but the app returned this error: Null check operator used on a…
I have a list of courses in my String resource file. ''' resources> <string name="app_name">SecondPart</string> <string name="done">Done</string> <string-array name="courses"> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item>…
I have a SwiftUI view that makes use of a Section view within a List view. What I'm trying to do is add some drop-shadow around the section so that the section's content is clearly separated from the background of…
I have this Android app using Kotlin, that populates the ListView to display the movie titles. The problem I am currently facing is that I am not sure on how to Intent all the data related to the ListView title.…
I have a ListView and an 'add' button in my MainActivity. When the button is pressed, you are taken to a second activity with a form that takes some input (tokenName, tokenID and averagePrice) and creates an object 'Token' .…
I'm writing an app and it has a part which, on button click, scans for Bluetooth devices and shows them in a ListView. It works fine, but i need it to show only devices starting with a word in the…
How can fix the issue Unhandled Exception: type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'Iterable' i am trying to parse data from a json Api in Android Studio flutter (dart) but i keep getting the error above, the…
i'm trying to show facebook user's profile pic using facebook graph api url and user's name. String Name = jsonObjectlike.getString("name"); String UserIds = jsonObjectlike.getString("id"); URL url = new URL("https://graph.facebook.com/" + listid + "/picture?type=small"); Bitmap bmp = BitmapFactory.decodeStream(url.openConnection().getInputStream()); HashMap<String, String> contact…
From the code below, I am successfully adding data to a list view. I want to add a pagination to the list view. I am getting 5 items in every request and when the user scrolls to bottom, then again,…