- Android studio spinner setonitemselectedlistener how to#
- Android studio spinner setonitemselectedlistener update#
- Android studio spinner setonitemselectedlistener for android#
- Android studio spinner setonitemselectedlistener code#
Android studio spinner setonitemselectedlistener how to#
How to create Android custom adapter constructor. Once you do that you will see a red line under the class name, hover your mouse over that error and Android Studio will warn you that you need to create a constructor.Īndroid custom adapter constructor. To be able to access the functions of ArrayAdapter we need to use extends with ArrayAdapter. Right click on the project package name → New → Java ClassĦ- I’ve named the custom adapter class as CustomAdapter.java.
Android studio spinner setonitemselectedlistener for android#
In this tutorial we will be using the following:ġ- Open up Android Studio and create a new project and give it a name, in our case we’ve named it (SpinnerImages), choose API 16 as the minimum SDK, then choose a blank activity, click “Finish” and wait for Android Studio to build your project.Ģ- Let’s create a new xml file and name it custom_spinner_row.xml, this file will have all the views that will be shown for each row inside Android spinner.ģ- Inside custom_spinner_row.xml will have 2 Android textviews and 1 Android imageview, the 2 textviews will be used for country name and population while the imageview will be used for the country flag.Ĥ- Open activity_main.xml file, here we will add an Android spinner.ĥ- Next we need to create a custom adapter, this adapter will be used to initialize the views inside custom_spinner_row.xml so that we can use it later with android spinner to show the data. The spinner will have a list of country names and flags, when you tap on any of the item an Android toast message will appear on the screen.īy the end of this article, we will have an app that looks like this.
Step 3 Open res/values/strings.xml and add the following code.
Android studio spinner setonitemselectedlistener code#
Step 2 Add the following code to res/layout/activitymain.xml. Step 1 Create a new project in Android Studio, go to File New Project and fill all required details to create a new project. Let's say that the value inserted in editText is 10.0, and we want to convert it from USD to EUR, the calculation will look like this: 10.0*6.54/9.56=īut I can't figure out how to add the editText in to the calculation.Hi and welcome to another tutorial from Codingdemos, in this tutorial you will learn how create android custom spinner with images and text. This example demonstrates how do I get spinner value in android.
Android studio spinner setonitemselectedlistener update#
If you change spinners or editText the value in textview should update directly. Then it should consider the amount in editText and show the "live" result in textView. I have two spinners and one EditText and you choose From unit in one spinner and To unit in the other.
The default item which is selected within the spinner is the first item within the list which we will be creating to be displayed within the spinner. I have an array with currencies (USD,EUR etc) and one with values (6.54, 9.56 etc). This example demonstrates how do I make an android spinner with initial default text in android. Spinner is used in many android applications to display multiple options within a drop-down list and the user will be able to select a specific option from the given list. I´m currently working on a currency converter project for school.
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