How to Convert Image to PDF in Android Studio Part 4

In this video, I a going to show you how to read pdf in your app

So let's start.

1.add this  Dependency to your build.gradle file 2nd one 

//pdf dependency
implementation 'com.github.barteksc:android-pdf-viewer:3.2.0-beta.1'

2. also update your code in your build.gradle 1st one

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.2.2"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
        jcenter() // Warning: this repository is going to shut down soon
        maven { url 'https://www.jitpack.io' }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

3. In case if you get an error like Duplicate class or Manifest merge,

open your gradle.properties and add this two line of code

android.useAndroidX=true
android.enableJetifier=true

4. Open your FileAdapter.java add this code inside OnBindViewHolder

holder.itemView.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        Intent intent = new Intent(context, PDFViewActivity.class);
        intent.putExtra("position", position);
        context.startActivity(intent);
    }
});

5. Now Create an Empty Activity And name it like PDFViewActivity and open activity_pdfview.xml and add this code

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

    <com.github.barteksc.pdfviewer.PDFView
        android:id="@+id/pdfView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>


</androidx.constraintlayout.widget.ConstraintLayout>

6.open your PDFViewActivity.java and add this code

public class PDFViewActivity extends AppCompatActivity {


    int position = -1;
    PDFView pdfView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_pdfview);

        position = getIntent().getIntExtra("position", -1);

        pdfView = findViewById(R.id.pdfView);

        displayPDF();
    }

    private void displayPDF(){
        String path = pdfAdapterArray.get(position).getPath();
        File file = new File(path);
        pdfView.fromFile(file)
                .defaultPage(0)
                .enableSwipe(true)
                .enableDoubletap(true)
                .load();

    }
}

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