how to create pdf file in android programmatically

 how to create pdf file in android programmatically

In this article, today learn how to create a pdf file in android programmatically. pdf file using iText 

generate a pdf-specific folder. follow how to create a pdf file in android programmatically.

1.Build.gradle:

 implementation 'com.itextpdf:itextpdf:5.5.13.2'

2. PdfView.Java:

package com.insta.story.fragment.dailyexpensive;

import androidx.annotation.NonNull;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;

import android.net.Uri;

import android.os.Bundle;

import android.os.Environment;

import android.view.View;

import android.widget.Button;

import java.io.IOException;

import com.itextpdf.text.Anchor;

import com.itextpdf.text.BadElementException;

import com.itextpdf.text.BaseColor;

import com.itextpdf.text.Chapter;

import com.itextpdf.text.Document;

import com.itextpdf.text.DocumentException;

import com.itextpdf.text.Element;

import com.itextpdf.text.Font;

import com.itextpdf.text.List;

import com.itextpdf.text.ListItem;

import com.itextpdf.text.PageSize;

import com.itextpdf.text.Paragraph;

import com.itextpdf.text.Phrase;

import com.itextpdf.text.Section;

import com.itextpdf.text.pdf.PdfPCell;

import com.itextpdf.text.pdf.PdfPTable;

import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.Date;

public class Pdfview extends AppCompatActivity {

Button btnsubmitaa;

    private static Font catFont = new Font(Font.FontFamily.TIMES_ROMAN, 18,

            Font.BOLD); // Set of font family alrady present with itextPdf library.

    private static Font redFont = new Font(Font.FontFamily.TIMES_ROMAN, 12,

            Font.NORMAL, BaseColor.RED);

    private static Font subFont = new Font(Font.FontFamily.TIMES_ROMAN, 16,

            Font.BOLD);

    private static Font smallBold = new Font(Font.FontFamily.TIMES_ROMAN, 12,

            Font.BOLD);

    public static final String DEST = "/quick_brown_fox_PDFUA.pdf";

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_pdfview);

    }

    public void PrintDocument(String dest) throws IOException, java.io.IOException {

        try {

//            Document document = new Document();

            Document document = new Document(PageSize.PENGUIN_SMALL_PAPERBACK, 10f, 10f, 100f, 0f);//PENGUIN_SMALL_PAPERBACK used to set the paper size

            PdfWriter.getInstance(document, new FileOutputStream(dest));

            document.open();

            addMetaData(document);

            addTitlePage(document);

            addContent(document);

            document.close();

            File file = new File(dest);

            Intent intent = new Intent(Intent.ACTION_VIEW);

            intent.setDataAndType(Uri.fromFile(file), "application/pdf");

            intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);

            startActivity(intent);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    private static void addMetaData(Document document) {

        document.addTitle("My first PDF");

        document.addSubject("Using iText");

        document.addKeywords("Java, PDF, iText");

        document.addAuthor("Lars Vogel");

        document.addCreator("Lars Vogel");

    }

    private static void addTitlePage(Document document)

            throws DocumentException {

        Paragraph preface = new Paragraph();

        // We add one empty line

        addEmptyLine(preface, 1);

        // Lets write a big header

        preface.add(new Paragraph("Title of the document", catFont));

        addEmptyLine(preface, 1);

        // Will create: Report generated by: _name, _date

        preface.add(new Paragraph(

                "Report generated by: " + System.getProperty("user.name") + ", " + new Date(), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$

                smallBold));

        addEmptyLine(preface, 3);

        preface.add(new Paragraph(

                "This document describes something which is very important ",

                smallBold));

        addEmptyLine(preface, 8);

        preface.add(new Paragraph(

                "This document is a preliminary version and not subject to your license agreement or any other agreement with vogella.com ;-).",

                redFont));

        document.add(preface);

        // Start a new page

        document.newPage();

    }

    private static void addContent(Document document) throws DocumentException {

        Anchor anchor = new Anchor("First Chapter", catFont);

        anchor.setName("First Chapter");

        // Second parameter is the number of the chapter

        Chapter catPart = new Chapter(new Paragraph(anchor), 1);

        Paragraph subPara = new Paragraph("Subcategory 1", subFont);

        Section subCatPart = catPart.addSection(subPara);

        subCatPart.add(new Paragraph("Hello"));

        subPara = new Paragraph("Subcategory 2", subFont);

        subCatPart = catPart.addSection(subPara);

        subCatPart.add(new Paragraph("Paragraph 1"));

        subCatPart.add(new Paragraph("Paragraph 2"));

        subCatPart.add(new Paragraph("Paragraph 3"));

        // add a list

        createList(subCatPart);

        Paragraph paragraph = new Paragraph();

        addEmptyLine(paragraph, 5);

        subCatPart.add(paragraph);

        // add a table

        createTable(subCatPart);

        // now add all this to the document

        document.add(catPart);

        // Next section

        anchor = new Anchor("Second Chapter", catFont);

        anchor.setName("Second Chapter");

        // Second parameter is the number of the chapter

        catPart = new Chapter(new Paragraph(anchor), 1);

        subPara = new Paragraph("Subcategory", subFont);

        subCatPart = catPart.addSection(subPara);

        subCatPart.add(new Paragraph("This is a very important message"));

        // now add all this to the document

        document.add(catPart);

    }

    private static void createTable(Section subCatPart)

            throws BadElementException {

        PdfPTable table = new PdfPTable(3);

        // t.setBorderColor(BaseColor.GRAY);

        // t.setPadding(4);

        // t.setSpacing(4);

        // t.setBorderWidth(1);

        PdfPCell c1 = new PdfPCell(new Phrase("Table Header 1"));

        c1.setHorizontalAlignment(Element.ALIGN_CENTER);

        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Table Header 2"));

        c1.setHorizontalAlignment(Element.ALIGN_CENTER);

        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Table Header 3"));

        c1.setHorizontalAlignment(Element.ALIGN_CENTER);

        table.addCell(c1);

        table.setHeaderRows(1);

        table.addCell("1.0");

        table.addCell("1.1");

        table.addCell("1.2");

        table.addCell("2.1");

        table.addCell("2.2");

        table.addCell("2.3");

        subCatPart.add(table);

    }

    private static void createList(Section subCatPart) {

        List list = new List(true, false, 10);

        list.add(new ListItem("First point"));

        list.add(new ListItem("Second point"));

        list.add(new ListItem("Third point"));

        subCatPart.add(list);

    }

    private static void addEmptyLine(Paragraph paragraph, int number) {

        for (int i = 0; i < number; i++) {

            paragraph.add(new Paragraph(" "));

        }

    }

    public void createPdf(View view) {

        String root = Environment.getExternalStorageDirectory().toString()+"/MyPDFDoc";

        final File dir = new File(root);

        if (!dir.exists())

            dir.mkdirs();

        try {

            PrintDocument(dir.getPath()+DEST);

        } catch (java.io.IOException e) {

            e.printStackTrace();

        }

    }

}

3.activity_pdfview.xml:

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/activity_main"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin">

    <Button

        android:onClick="createPdf"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Create Pdf!" />

</RelativeLayout>

4.AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.insta.story.fragment.dailyexpensive">

    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>  <!--For Android 11-->

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true"

android:requestLegacyExternalStorage="true"

        android:theme="@style/Theme.DailyExpensive">

   

        <activity android:name=".Pdfview">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

5.strings.xml:

<resources>

    <string name="app_name">Daily Expensive</string>

    <string name="action_settings">Settings</string>

    <!-- Strings used for fragments for navigation -->

    <string name="first_fragment_label">First Fragment</string>

    <string name="second_fragment_label">Second Fragment</string>

    <string name="next">Next</string>

    <string name="previous">Previous</string>

    <string name="hello_first_fragment">Hello first fragment</string>

    <string name="hello_second_fragment">Hello second fragment. Arg: %1$s</string>

 

</resources>

6.dimens.xml:

<resources>

    <!-- Default screen margins, per the Android Design guidelines. -->

    <dimen name="activity_horizontal_margin">16dp</dimen>

    <dimen name="activity_vertical_margin">16dp</dimen>

</resources>