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Judul : Create PDF using PdfDocument
link : Create PDF using PdfDocument

Create PDF using PdfDocument

android.graphics.pdf.PdfDocument enables generating a PDF document from native Android content. This example show how to create a two page PDF file using PdfDocument, store as "/sdcard/test.pdf". Then use last example Display PDF using PdfRenderer to view it.

(remark: if you use last example to view the PDF file, you have to change targetPdf = "/sdcard/test.pdf".)


MainActivity.java

package com.blogspot.android_er.androidcreatepdf;

import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.pdf.PdfDocument;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

public class MainActivity extends AppCompatActivity {

    Button btnCreate;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btnCreate = (Button)findViewById(R.id.create);
        btnCreate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                createPdf();
            }
        });

    }

    private void createPdf(){
        // create a new document
        PdfDocument document = new PdfDocument();

        // crate a page description
        PdfDocument.PageInfo pageInfo = 
                new PdfDocument.PageInfo.Builder(100, 100, 1).create();

        // start a page
        PdfDocument.Page page = document.startPage(pageInfo);

        Canvas canvas = page.getCanvas();

        Paint paint = new Paint();
        paint.setColor(Color.RED);

        canvas.drawCircle(50, 50, 30, paint);

        // finish the page
        document.finishPage(page);

        // Create Page 2
        pageInfo = new PdfDocument.PageInfo.Builder(500, 500, 2).create();
        page = document.startPage(pageInfo);
        canvas = page.getCanvas();
        paint = new Paint();
        paint.setColor(Color.BLUE);
        canvas.drawCircle(200, 200, 100, paint);
        document.finishPage(page);

        // write the document content
        String targetPdf = "/sdcard/test.pdf";
        File filePath = new File(targetPdf);
        try {
            document.writeTo(new FileOutputStream(filePath));
            Toast.makeText(this, "Done", Toast.LENGTH_LONG).show();
        } catch (IOException e) {
            e.printStackTrace();
            Toast.makeText(this, "Something wrong: " + e.toString(),
                    Toast.LENGTH_LONG).show();
        }

        // close the document
        document.close();
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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="16dp"
    android:paddingLeft="16dp"
    android:paddingRight="16dp"
    android:paddingTop="16dp"
    android:orientation="vertical"
    tools:context="com.blogspot.android_er.androidcreatepdf.MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="20dp"
        android:layout_gravity="center_horizontal"
        android:autoLink="web"
        android:text="http://android-er.blogspot.com/"
        android:textStyle="bold"/>

    <Button
        android:id="@+id/create"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Create PDF"/>
</LinearLayout>

uses-permission of "android.permission.WRITE_EXTERNAL_STORAGE" is needed in AndroidManifest.xml.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.blogspot.android_er.androidcreatepdf">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

</manifest>

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