Android PdfViewer

 1. Add to build.gradle:

compile 'com.github.barteksc:android-pdf-viewer:2.8.1'

2. Add assets folder

3.main_activity.xml

	<?xml version="1.0" encoding="utf-8"?>
	<RelativeLayout 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="com.arham.csdevbin.pdfdomo.MainActivity">
	<com.github.barteksc.pdfviewer.PDFView
	android:id="@+id/pdfView"
	android:layout_width="match_parent"
	android:layout_height="500dp"
	android:layout_marginTop="8dp">
	</com.github.barteksc.pdfviewer.PDFView>
	<LinearLayout
	android:layout_width="match_parent"
	android:layout_height="wrap_content"
	android:layout_alignParentBottom="true"
	android:orientation="horizontal"
	android:weightSum="1">
	<Button
	android:id="@+id/nextBtn"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:layout_weight=".25"
	android:onClick="nextPage"
	android:text="Next" />
	<Button
	android:id="@+id/prevBtn"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:layout_alignParentBottom="true"
	android:layout_weight=".25"
	android:onClick="prevPage"
	android:text="Prev" />
	<Button
	android:id="@+id/button3"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:layout_weight=".25"
	android:onClick="zoomIn"
	android:text="Zoom in" />
	<Button
	android:id="@+id/button4"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:layout_weight=".25"
	android:onClick="zoomOut"
	android:text="zoom out" />
	</LinearLayout>
	</RelativeLayout>

view raw activity_main.xml hosted with ❤ by GitHub

	package com.arham.csdevbin.pdfdomo;
	import android.support.v7.app.AppCompatActivity;
	import android.os.Bundle;
	import android.view.View;
	import com.github.barteksc.pdfviewer.PDFView;
	public class MainActivity extends AppCompatActivity {
	public PDFView pdfView;
	public float zoomValue = 1;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	pdfView = (PDFView) findViewById(R.id.pdfView);
	pdfView.fromAsset("kitab_at_tawheed.pdf")
	// .spacing(10)
	.enableSwipe(true) // allows to block changing pages using swipe
	.swipeHorizontal(true)
	.enableDoubletap(true)
	.defaultPage(0)
	.load();
	}
	public void nextPage(View view) {
	pdfView.jumpTo(pdfView.getCurrentPage() + 1, true);
	}
	public void prevPage(View view) {
	pdfView.jumpTo(pdfView.getCurrentPage() - 1, true);
	}
	public void zoomIn(View view) {
	++zoomValue;
	pdfView.zoomTo(zoomValue);
	pdfView.loadPages();
	}
	public void zoomOut(View view) {
	if (zoomValue != 1) {
	--zoomValue;
	pdfView.zoomTo(zoomValue);
	pdfView.loadPages();
	}
	}
	}

view raw MainActivity.java hosted with ❤ by GitHub