Create PDF Multiple Pages : Android Studio

Create PDF Multiple Pages : Android Studio

안드로이드 스튜디오 PDF 여러페이지 만드는 방법 

 

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jwlee.pdf_example2">

    <uses-permission android:name="android.permission.WRITE_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: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>

</manifest>

 

<

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Create PDF"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

 

 

MainActivity.java

package com.jwlee.pdf_example2;

import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

import android.Manifest;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.pdf.PdfDocument;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.Button;

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

public class MainActivity extends AppCompatActivity {

    Button button;

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

        button = findViewById(R.id.button);
        ActivityCompat.requestPermissions(this,new String[] {
                Manifest.permission.WRITE_EXTERNAL_STORAGE}, PackageManager.PERMISSION_GRANTED);
        
        createPDF();
        

    }

    private void createPDF() {
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                PdfDocument pdfDocument = new PdfDocument();
                Paint paint = new Paint();

                PdfDocument.PageInfo pageInfo = new PdfDocument.PageInfo.Builder(250,400,1).create();
                PdfDocument.Page page = pdfDocument.startPage(pageInfo);
                Canvas canvas = page.getCanvas();
                canvas.drawText("Page 1 ",30,30,paint);
                pdfDocument.finishPage(page);

                PdfDocument.PageInfo pageInfo2 = new PdfDocument.PageInfo.Builder(250,400,1).create();
                PdfDocument.Page page2 = pdfDocument.startPage(pageInfo2);
                Canvas canvas2 = page2.getCanvas();
                canvas2.drawText("Page 2 ",30,30,paint);
                pdfDocument.finishPage(page2);

                File file = new File(Environment.getExternalStorageDirectory(),"/myPDF.pdf");

                try {
                    pdfDocument.writeTo(new FileOutputStream(file));
                }catch (IOException e) {
                    e.printStackTrace();
                }

                pdfDocument.close();

            }
        });
    }
}

2020/03/18 - [Android Studio] - Create PDF Multiple Pages : Android Studio