Toast.makeText(getApplicationContext(), value100.toString(), Toast.LENGTH_LONG).show()Īnd in this case I get for the first Toast the correct value and for the second I get 0 which is not the correct value. This line below displays the wrong value Val requestQueue = Volley.newRequestQueue(this) Here is my code : private fun loadLocation())

tOnItemClickListener(new AdapterView.Hello I am using Kotlin with Android Studio And when I try to run my code I have this error : Unresolved reference. tAdapter(simpleAdapter) //sets the adapter for listView SimpleAdapter simpleAdapter=new SimpleAdapter(this,arrayList,R.layout.list_view_items,from,to) //Create object and set the parameters for simpleAdapter

ArrayAdapter is also an implementation of BaseAdapter.Ĭustom Adapter code which extends the BaseAdapter in that: public class CustomAdapter extends BaseAdapter int getCount() //int array of views id's Base Adapter can be extended to create a custom Adapter for displaying a custom list item. Whenever we need a customized list in a ListView or customized grids in a GridView we create our own adapter and extend base adapter in that. Now we describe each Adapters one by one in detail:īaseAdapter is a common base class of a general implementation of an Adapter that can be used in ListView, GridView, Spinner etc.

Custom SimpleAdapter – It is used whenever we need to display a customized list and needed to access the child items of the list or grid.

SimpleAdapter – It is an easy adapter to map static data to views defined in your XML file.

Custom ArrayAdapter – It is used whenever we need to display a custom list.

But Toast.LENGTHLONG duration is 1500 ms (1.5 second) and Toast.LENGTHSHORT duration is 3000 ms (3 second) 1000 millisecond 1 second.

ArrayAdapter – It is used whenever we have a list of single items which is backed by an array You can specify duration of a Toast by using Toast.LENGTHLONG and Toast.LENGTHSHORT by default in android.

BaseAdapter – It is parent adapter for all other adapters.

We will create a simple TextView inside the activitymain.xml file. Below is the code for the activitymain.xml file. Method 1 Step 1: Working with the activitymain.xml file Navigate to the app > res > layout > activitymain.xml and add the below code to that file. There are the some commonly used Adapter in Android used to fill the data in the UI components. Note that we are going to implement this project using the Java language.

Reference array in toast android studio