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 pop-up menu


A pop-up menu is attached to a view similar to the drop-down menu on a spinner. The idea of a pop-up menu is to provide additional options to complete an action. A common example might be a Reply button in an email app. When pressed, several reply options are shown, such as: Reply, Reply All, and Forward.

Here is an example of the pop-up menu from the following recipe:

Android will show the menu options below the anchor view if there is room; otherwise, the menu will be shown above the view.

Note

A pop-up menu is not meant to affect the view itself. That is the purpose of a Context Menu. Instead refer to the Floating Menu/Context Mode described in the Enabling Contextual Action Mode for a view recipe.

In this recipe, we will create the pop-up menu shown previously, using ImageButton as the anchor view.

Getting ready

Create a new project in Android Studio and call it PopupMenu. Use the default Phone & Tablet option and select Empty Activity on the Add an Activity to Mobile...