Android pdf viewer URL and Asset folder example

1/ Add dependecy of Pdf view 

implementation 'com.github.DImuthuUpe:AndroidPdfViewer:3.1.0-beta.1'

2/  Add maven on (settings.gradle)

maven { url 'https://jitpack.io' }

3/  Enable jetifier on gradle.properties

android.enableJetifier=true

4/  add xml file

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

5/ Load Pdf  from Java  

package com.example.pdfviewer;

import android.os.Bundle;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

import com.github.barteksc.pdfviewer.PDFView;

public class MainActivity extends AppCompatActivity {

    PDFView pdfView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_main);
        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
            return insets;
        });

        pdfView = findViewById(R.id.pdfView); // somossa nai eta normal error

        pdfView.fromAsset("paradoxical_one.pdf").load();

    }
}