How To Code a ListView with Toast Messsage '
This Tutorial App ListView with Toast Message

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Coding a ListView with Toast Message



If you are just arriving at this page; and you are not familiar with with creating Android Apps, we suggest you begin with our tutorials: Coding Android App Pages and How To Create a Simple App in Android

From there follow along with each tutorial lesson.

AIDE and ANDROID STUDIO

We are using AIDE(a mobile coding environment using language java/xml), to create these tutorial apps on our
tablet(7" screen) that has android version 5.0.
Once we build and RUN our app; we then install the app on this same tablet; and the app is also installed on a smart phone that has android version 6.

We are using the AIDE coding editor to code our pages; and then to Create - RUN our apps. AIDE is a SDK coding environment for android devices like a tablet or smartphone. AIDE has a free and paid version. Once you create your apps code pages, you need to RUN the app to build your apk package; then you INSTALL it on your tablet or smartphone. For info on using AIDE, gohere

You can also create; RUN your apps using the code in these tutorials, with Android Studio. Android Studio is for desktop computers. Choose Java XML as the programming language. Android Studio is free to install and use for your android app development. Although not as convenient as testing your app on an actual android device; you can test your newly created app in Android Studio using its' android emulator.

Complete Example Codes are available for each of our tutorials. With these example codes you can make a functioning android app in either AIDE or Android Studio.


COPY/PASTE CODE

First, create a java/xml android template app using AIDE, (or Android Studio). Then you can get the code for this app from the EXAMPLE CODE section on this page. Replace the code on the pages you need to(with our tutorial code); in order to create this app.
Sometimes, new pages have to be created.
All the other coded pages in your app can remain as they are; they don't need to be changed.


This is the App - ListView with Toast Message
ListView Toast App Photo
When I clicked on "My Android Codes", the Toast Message
appears that reads "My Android Codes selected"

 Array for ListView



Where - How - Why To Use a ListView with Toast Message

As you learned in our previous tutorial, ListView is a code class for a scrollable user interface, usually containing one or two rows of data per sectioned item. In its simplest form, the List Activity class of ListView method provides a single rowed layout which can be used to add your data rows.

In this tutorial we will code a ListView that also has one row of data, and also includes the toast widget which will populate a small dialog box with the name of the row item when you click the data in any row.

Because we are using the ListView element in our layout file; we can also add some additional attributes that are available for ListView. We will add the attributes that allows us to add a divider after each row, adjust the height of the divider, and add any color to it that we want to.


As with our previous tutorial, this ListView method will also use the android built-in code method for a single row in our listview layout using this code - android.R.layout.simple_list_item_1
This code is a android default built-in code for ListViews. It means that the layout will have one row - item_1. If it had read item_2, then the row would have 2 items, meaning 2 rows per each section. Our app has 1 row per each section.

For our data, we added words so to get enough rows that our listview becomes scrollable. Scrolling is also built-in with the ListView code class. Once the rows exceed the physical parameter of our view display, they will scroll so you can see all the rows.

Additional Reading at Android Developer website:
ListView - ListActivity

Creating - Naming Your App Using AIDE

When creating your app,(from left menu) choose:
Create New Project;
Then, choose
New Android App(gradle, android Java/xml)
or
Hello World App Java/xml
if your using the original version of AIDE

You can name your app whatever you like; if your using the name as shown in our example code use;

ListViewToast for the App Name and,
for the package name(next line) use:
com.aac.examplelistviewtoast

The Coded Pages


Code for the app - ListViewToast

For this app we need to edit these pages;

1 layout file, main.xml; located at res/layout/main.xml, already created, just replace the code on this page with the code from our Example Code section and save the page.

The code in the ListView element has the divider height and divider color which we can adjust as we want.
For height we used the code android:dividerHeight="2dp", and for the divider color, use the code, android:divider="#212121", as shown in this image.
Layout for ListView with Divider Height and Divider Color
1 java class page; MainActivity.java; located at app/src/java/MainActivity.java, already created; we have to copy and replace the code on this page with the code from our Example Code section. Save the page once the code is pasted.

The java page has our import codes. The import codes must be coded in your java page for each code class your implementing.

Imports Code Andrid java class file
The java page also has the array containing our items for each row in our ListView. And, the array is attached and populated into our view using the array adapter.
 Array for ListView


1 strings file, strings.xml required for this App: The string file located at res/values/strings.xml has the required app_name string for the app name.

Just remove the string that reads - hello_world, or copy/paste the code from our Example Codes section. Save the page.


EXAMPLE CODE - Code For This Tutorial

JUST USE YOUR MOUSE to copy the code for this tutorial App Name is 'ListViewToast - located at AppProjects/ListViewToast in AIDE, open the AIDE app, then open App Projects, THEN select the 'ListViewToast', app from your files hierachy(left menu); then click on any file from the app, like strings.xml Make sure at top of page, the app name 'ListViewToast' is there next to AppProjects like so: AppProjects/ListViewToast, then you know you have the proper App.

Once a file is in the editor, you can edit, save it, then RUN your APP, Install, and Open your app.


Make sure you SAVED EACH PAGE,(or choose automatic saving in AIDE settings) before you RUN your code. SAVE, RUN, INSTALL, OPEN, your App. Once it has been installed on your tablet, you can open it Simply by Clicking on the Android little green App Icon,with the wording 'ListViewToast' on your tablet. It will be with your other installed apps.

If you make further changes to this App, you need to SAVE, RUN, UPDATE, INSTALL, OPEN the app.





Example Code App - ListViewToast :
Use Mouse To Copy Paste the Code


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AIDE for creating Android Apps on your tablet or cell phone(android).
Free and Paid - with Free, create java/xml android template apps, and there is a couple free android coding lessons.
With paid, create java/xml android template apps, and you can create a 'keystore' for your app, so you can publish your apps to the marketplaces like Google Playstore and Amazon.
GoTo Aide

ANDROID STUDIO - for creating Android Apps on your desktop computer.
Free to Install and Use
GoTo Android Studio Learn more - Android Studio

The Java XML files we code(example codes) and the Android Apps we create in our Free Tutorials are compatible with Android Studio and AIDE. Just choose Java XML as your Programming Language.




TUTORIALS I
Java XML
The Coded Pages

Beginners Article

About Our Tutorials

Coding androidmanifest.xml

Coding R.java

Coding buildconfig.java

Coding mainactivity.java

Coding main.xml

Coding strings.xml

Coding drawables

TUTORIALS II
Java XML
Learning To Code

Create A Simple
Android App

Change App Icon

Add Text and Style

Add Buttons To App

Placing Text in
Buttons


Change View
Background Color


Change Screen
Orientation


Add Image to
Activity View


Add Horizontal
Scroll View


Add a Frame Layout

How to Add Themes
To Your App

How To Code
Customized Styles

Code a Toast Message

Coding Resource
Identifiers



TUTORIALS III

Java XML
Adding Features,
Functionality

Coding Shape
Drawable - Lines


Coding A WebView

Coding A Timed
Screen Splash


Coding A Gradient
Drawable


Coding Fragments


Coding A
ListView Fragment


Coding a
Tabbed Fragment


Share Intent
for Text


Share Intent
for Images


Media Player
with Audio


Coding A
Video Player


Localize Your App
World Languages


Coding a Simple ListView

ListView with Toast Message

Android Sliding Drawer

Android Sliding Drawer with Listview


TUTORIALS MATERIAL DESIGN
Java XML

What is Material
Design?


Coding a Material
Design Theme


Coding a Layer List
With Elevation


Shape Drawables
Elevate - Rotate


Scrollable Elevated
Topic Cards


Photo Containers
With Shadowed Container


Simple CardView

View Animator
with Photo Array


View Animator
With Views


Simple Frame Animation

Frame Animation
With Buttons


View Animation
Rotate, Scale, Translate


Android Interpolators
with Spinner


Android AppBar
ToolBar Design



from the Web
SPECIFIC CODING TASKS

Add Clickable Button
To textView

Image Button with
Selector


Linear Layout with
weight attribute


OnClick Displays
Message


Screen Density
Coding Practices



CODING ENVIRONMENTS


AIDE
for android tablets


Android Studio
For desktop computers



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Our ARTICLES

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You can use the images included with each tutorial for the purpose of creating your android app. These images are not to be distributed or sold.

APP SIGNING KEY- GOOGLE


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To Manifest.xml
Web Article

How To Sign Your APK Web Article

Google Developer Console
Create Account Submit Your App
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Amazon App DRM - APK KEY
Amazon Developer Portal
Create Account - Submit Your App


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