how to use predefined objects android studio ide

Public class MainActivity extends Activity implements AdapterView.Field declarations are composed of three components, in order: The MainActivity and SecondActivity java classes are defined as follows. The layout of the SecondActivity is as follows: We just need to add Button to the basic_spinner.xml file. Let’s start with the layout of the MainActivity class. Android Spinner Example Project Structureīelow image shows the android studio project for spinner example. Let’s develop an application where we pass the selected value from the Spinner onto the next screen using Bundles and display a Toast message of the selected value at the same time. Spinner spinner = (Spinner) findViewById(R.id.spinner) įollowing snippet shows how to use a spinner in the activity class. Android Drop Down Listįollowing xml file shows the layout of a typical spinner in android which consists of a text label and a spinner element tag.

So we need to set the adapter class with the Spinner. Android spinner is associated with AdapterView. Touching the spinner displays a drop down menu with all other available values, from which the user can select a new one. In the default state, a spinner shows its currently selected value. In Android, Spinner is used to select one value from a set of values. Android SpinnerĪndroid Spinner is just a drop down list similar to what’s seen in other programming languages such as in HTML pages. To pass data in the form of bundles between activities, we’ll use a button to perform an intent and display the data passed to the next screen. Selecting an item from spinner would display a toast message.

We will display static data in the spinner. We will create an android application that consists of a simple spinner that allows selecting an item from a drop down list. This tutorial will give you a hands on experience in using Android Spinner as a drop down menu, passing data using android bundle and showing popup notification using android toast.

How to use predefined objects android studio ide