Android MySQL - Best Spinner Examples.


Android MySQL Spinner Examples and Tutorials.

MySQL is our database while PHP is the server side language we use. The client code is for android is written in this case in either Java or Kotlin.

Spinner is our component.

But first:

What is a Spinner?

Spinner is a view that displays items in a dropdown fashion, allowing user to pick one at a time.

Android Spinner

Spinner is an AdapterView. This means that it relies on an Adapter for its data.

Adapters act as the bridge between adapterviews and the underlying data source.

This makes Spinner like other adapterviews decoupled from data source. Hence we can customize the views shown in the spinner without affecting data.

Spinner is a concrete public class residing in the android.widget package.

package android.widget;

Spinner is a public class that's why we can access and use it.

public class
Spinner{}

Public classes are visible even from other packages apart from those they've been defined.

Spinner class inherits from an abstract class called AbsSpinner. This class also resides in the android.widget package.

AbsSpinner provides to Spinner much of the capabilities it has. For example, Spinner is an adapterview since it derives from the AbsSpinner. This allows Spinner to set and return a SpinnerAdapter.

Top Android MySQL Spinner Examples

Let's look at some examples.

Android MySQL : Spinner - Retrieve data and show

MySQL is a fast open source relational database management system.

Android on the other hand is a software platform for a variety of devices most notable mobile.

This tutorial explores how to connect both via the HTTP.

You cannot directly connect Android and MySQL database as mysql runs on servers and desktops while android runs on mobile devices. To connect them we need the help of a server side programming language.

Then we can connect the two over the HTTP protocol. Android is written in Java while PHP is a popular server side language we can comfortable use.

Both languages define us simple APIs we can use for this task. Most notably is the HttpURLConnection on Java.

Cheers.

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