The arrayList is one of the collection class in the kotlin language; it is mainly used for to store the datas in a dynamic format. Mainly the size of the ArrayList class can be increased or decreased according to the specific requirement. The ArrayList class supports some default built-in me...
arrayList public ArrayList<Integer> ImageList; //creating a recycler view object public RecyclerView recyclerView; @Override protected void onCreate( Bundle savedInstanceState) { super.onCreate( savedInstanceState); setContentView( R.layout.activity_main); //adding values to the arrayList ImageList =...
In thePickerViewActivity.kt, declare two variables, theStringselectedItemto keep the selected item from the PickerView, and anIntselectedItemPositionfor the position. Also, initialize theBooleanstatusBarDark true= Dark status bar icons false= Light status bar icons classPickerViewActivity() :AppComp...
private fun prepareUsersIDsToLoad(dialogs: ArrayList) { val userIDs = HashSet() for (dialog in dialogs) { userIDs.addAll(dialog.occupants) } val requestBuilder = QBPagedRequestBuilder(100, 1) loadUsersFromDialogs(userIDs, requestBuilder) } private fun loadUsersFromDialogs(userIDs: HashSet,...
The System.Collections.ArrayList class in PowerShell provides a flexible and dynamic array-like data structure. By utilizing the New-Object cmdlet, we can instantiate an instance of this class to create an empty array.Subsequently, we can add subarrays as elements to this array of arrays. This...
toList()); System.out.println(newList2); } } In the code block above, the first two lines initialize the lists that we want to concatenate. The first way of list initialization is to give elements at the time of declaration itself. So as per the Java 8 methodology, the Stream ...
To initialize ViewModels with non-default constructors, you’ll need to inject an object that implementsViewModelProvider.Factoryinterface into your Activities and Fragments, and then pass it toViewModelProviders.of()method: @Inject ViewModelFactory mViewModelFactory; ...
try { // initialize lines stream Stream<String> stream = Files.lines(Paths.get("examplefile.txt")); // read lines stream.forEach(System.out::println); // close the stream stream.close(); } catch (IOException ex) { ex.printStackTrace(); } In addition to simple API, streams are ve...
polylines = new ArrayList<>(); //add route(s) to the map. for (int i = 0; i <route.size(); i++) { //In case of more than 5 alternative routes int colorIndex = i % COLORS.length; PolylineOptions polyOptions = new PolylineOptions(); ...
.util.ArrayListclassMainActivity:AppCompatActivity() {privatevalREQUEST_PERMISSIONS_REQUEST_CODE=1privatelateinitvarmap:MapViewoverridefunonCreate(savedInstanceState:Bundle?) {super.onCreate(savedInstanceState)//handle permissions first, before map is created. not depicted here//load/initialize the ...