Answered: Exercise16 22 |- Play Loop Stop (a)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write a program that meets the following
requirements:
■■ Get an audio file from the class directory using AudioClip.
■■ Place three buttons labeled Play, Loop, and Stop, as shown in Figure .
■■ If you click the Play button, the audio file is played once. If you click the Loop
button, the audio file keeps playing repeatedly. If you click the Stop button,
the playing stops.

Expert Solution

Step 1

Program approach

Import required classes from JavaFX packages.
Create a class PlayAudio that extends Application class
- Create an object of class AudioClip.
- Override the start method
  - Add the audio file from the directory path to the audio clip.
  - Creating a scene and place it into the stage.
  - Set the title of the stage.
  - Placing the scene in the stage.
  - Displaying the stage.
- Define the createButtonPane method that retuns pane
  - Creating three buttons Play, Loop, and Stop.
  - Set button widths.
  - Creating and registering handlers on pressing the buttons.
  - Creating a pane, add the buttons, and set its properties.
  - Return pane.
- Define the loop method of playing audio repeatedly.
- Define the play method that plays the audio once.
- Define the main method for application launch.

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