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  • Book Overview & Buying Android 9 Development Cookbook
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Android 9 Development Cookbook

Android 9 Development Cookbook

By : Boyer
3.4 (9)
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Android 9 Development Cookbook

Android 9 Development Cookbook

3.4 (9)
By: 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 (18 chapters)
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Creating a Media Player Notification


This recipe is going to take a look at the new Media Player style introduced in Android 5.0 (API 21). Unlike the previous recipe, Lights, Action, and Sound Redux using Notifications, which used NotificationCompat, this recipe does not, as this style is not available in the support library.

Here's a screenshot showing how the notification will appear:

This screenshot shows an example of the Media Player Notification on a lock screen:

Getting ready

Create a new project in Android Studio and call it MediaPlayerNotification. In the Target Android Devices dialog, select API 21: Android 5.0 (Lollipop), or higher, for this project. Select Empty Activity on the Add an Activity to Mobile dialog.

How to do it...

We just need a single button to call our code to send the notification. Open activity_main.xml and follow these steps:

  1. Replace the existing <TextView> with the following button code:
<Button
android:id="@+id/button"
android:layout_width="wrap_content...

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