Android pdf viewer URL and Asset folder Kotlin example

Output:

1/  Add dependency on build.gradle file

implementation("com.github.DImuthuUpe:AndroidPdfViewer:3.1.0-beta.1")

2/  Add maven on settings.gradle file

maven(url = "https://jitpack.io")

3/  Enable jetifier on gradle.properties

android.enableJetifier=true

4/ Modify activity_main.xml file

<?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:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

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

</androidx.constraintlayout.widget.ConstraintLayout>

5/ Modify MainActivity.kt

package com.microappvalley.androidpdfviewerurlandassetfolderkotlinexample

import android.os.Bundle
import androidx.activity.enableEdgeToEdge
import androidx.appcompat.app.AppCompatActivity
import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import com.github.barteksc.pdfviewer.PDFView

class MainActivity : AppCompatActivity() {
    lateinit var pdfView: PDFView

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        setContentView(R.layout.activity_main)
        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
            insets
        }

        pdfView = findViewById(R.id.pdfView)

        pdfView.fromAsset("demo.pdf").load()


    }
}

6/ Create an assets folder under the main folder and paste the demo.pdf file in the assets folder