Android PDF viewer Application

we can make an easy pdf viewer in few easy steps. create a project with the name PDFVIEW and have a main activity as 
 we need a library for this project available at https://github.com/jblough/Android-Pdf-Viewer-Library

never forget to add this library in the project given here

1) MainActivity.java


package com.example.pdfview;

import java.io.File;
import java.io.FilenameFilter;

import net.sf.andpdf.pdfviewer.PdfViewerActivity;
import android.os.Bundle;
import android.os.Environment;
import android.app.Activity;
import android.app.ListActivity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class MainActivity extends ListActivity {

    String[] pdflist;
    File[] imagelist;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.main);

        File images = Environment.getExternalStorageDirectory();
        imagelist = images.listFiles(new FilenameFilter() {
            public boolean accept(File dir, String name) {
                return ((name.endsWith(".pdf")));
            }
        });
        pdflist = new String[imagelist.length];
        for (int i = 0; i < imagelist.length; i++) {
            pdflist[i] = imagelist[i].getName();
        }
        this.setListAdapter(new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, pdflist));
    }

    protected void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);
        String path = imagelist[(int) id].getAbsolutePath();
        openPdfIntent(path);
    }

    private void openPdfIntent(String path) {
        try {
            final Intent intent = new Intent(MainActivity.this, Second.class);
            intent.putExtra(PdfViewerActivity.EXTRA_PDFFILENAME, path);
            startActivity(intent);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

2) Second .java


package com.example.pdfview;

import net.sf.andpdf.pdfviewer.PdfViewerActivity;
import android.os.Bundle;

public class Second extends PdfViewerActivity {

public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
}

public int getPreviousPageImageResource() {
return R.drawable.left_arrow;
}

public int getNextPageImageResource() {
return R.drawable.right_arrow;
}

public int getZoomInImageResource() {
return R.drawable.zoom_in;
}

public int getZoomOutImageResource() {
return R.drawable.zoom_out;
}

public int getPdfPasswordLayoutResource() {
return R.layout.pdf_file_password;
}

public int getPdfPageNumberResource() {
return R.layout.dialog_pagenumber;
}

public int getPdfPasswordEditField() {
return R.id.etPassword;
}

public int getPdfPasswordOkButton() {
return R.id.btOK;
}

public int getPdfPasswordExitButton() {
return R.id.btExit;
}

public int getPdfPageNumberEditField() {
return R.id.pagenum_edit;
}
}

screen shots

1

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3

The manifest is as given below


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.pdfview"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="16" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.pdfview.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name="Second"></activity>
    </application>

</manifest>



Download the project code at CODE