Book Image

Android 9 Development Cookbook - Third Edition

By : Rick Boyer
Book Image

Android 9 Development Cookbook - Third Edition

By: Rick Boyer

Overview of this book

The Android OS has the largest installation base of any operating system in the world. There has never been a better time to learn Android development to write your own applications, or to make your own contributions to the open source community! With this extensively updated cookbook, you'll find solutions for working with the user interfaces, multitouch gestures, location awareness, web services, and device features such as the phone, camera, and accelerometer. You also get useful steps on packaging your app for the Android Market. Each recipe provides a clear solution and sample code you can use in your project from the outset. Whether you are writing your first app or your hundredth, this is a book that you will come back to time and time again, with its many tips and tricks on the rich features of Android Pie.
Table of Contents (24 chapters)
Title Page
Copyright and Credits
Dedication
About Packt
Contributors
Preface
Index

Creating a Toast with a custom layout


We've used Toasts quite a bit already in previous chapters as they provide a quick and easy way to display information, both for user notification and for ourselves when debugging.

The previous examples have all used the simple one-line syntax, but Toasts aren't limited to this. Toasts, like most components in Android, can be customized, as we'll demonstrate in this recipe.

Android Studio offers a shortcut for making a simple Toast statement. As you start to type the Toast command, you'll see the following:

Press Enter to auto-complete. Then, press Ctrl + spacebar and you'll see the following:

When you press Enter again, it will auto-complete with the following:

Toast.makeText(this, "", Toast.LENGTH_SHORT).show();

In this recipe, we'll use the Toast Builder to change the default layout, and gravity to create a custom Toast, as shown in the following screenshot:

 

Getting ready

Create a new project in Android Studio and call it CustomToast. Use the default Phone...