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You're reading from  Android Studio 4.2 Development Essentials - Kotlin Edition

Product typeBook
Published inAug 2021
Reading LevelIntermediate
PublisherPackt
ISBN-139781803231549
Edition1st Edition
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Author (1)
Neil Smyth
Neil Smyth
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Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor's degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
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85.7 Drawing the Content on the Page Canvas

We have now reached the point where some code needs to be written to draw the content on the pages so that they are ready for printing. The content that gets drawn is completely application specific and limited only by what can be achieved using the Android Canvas class. For the purposes of this example, however, some simple text and graphics will be drawn on the canvas.

The onWrite() method has been designed to call a method named drawPage() which takes as arguments the PdfDocument.Page object representing the current page and an integer representing the page number. Within the MainActivity.kt file this method should now be implemented as follows:

package com.ebookfrenzy.customprint

.

.

import android.graphics.Color

import android.graphics.Paint

 

class MainActivity : AppCompatActivity() {

.

.

   inner class MyPrintDocumentAdapter(private var context: Context) :

   ...

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Android Studio 4.2 Development Essentials - Kotlin Edition
Published in: Aug 2021Publisher: PacktISBN-13: 9781803231549

Author (1)

author image
Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor's degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
Read more about Neil Smyth