77.4 Implementing the onLayout() Callback Method

Remaining within the MainActivity.java file, begin by adding some import directives that will be required by the code in the onLayout() method:

package com.ebookfrenzy.customprint;

.

.

import android.print.PrintDocumentInfo;

import android.print.pdf.PrintedPdfDocument;

import android.graphics.pdf.PdfDocument;

 

public class MainActivity extends AppCompatActivity {

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}

Next, modify the MyPrintDocumentAdapter class to declare variables to be used within the onLayout() method:

public class MyPrintDocumentAdapter extends PrintDocumentAdapter

{

       Context context;

       int pageHeight;

       int pageWidth;

       PdfDocument myPdfDocument;

       int totalpages = 4;

.

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}

Note that for...