LAPTOP i7

Displaying sorted list size wise of Files Folder on Linux

Display PDF in assets folder inside APK

 aaptOptions {
 noCompress "pdf"
 }

package com.blogspot.android_er.androidpdf;

import android.content.res.AssetFileDescriptor;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.pdf.PdfRenderer;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.support.v7.app.AppCompatActivity;
import android.widget.ImageView;
import android.widget.Toast;

import java.io.IOException;

public class MainActivity extends AppCompatActivity {

 ImageView pdfView;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);

 pdfView = (ImageView)findViewById(R.id.pdfview);

 try {
 openPDF();
 } catch (IOException e) {
 e.printStackTrace();
 Toast.makeText(this,
 "Something Wrong: " + e.toString(),
 Toast.LENGTH_LONG).show();
 }
 }

 private void openPDF() throws IOException {

 //open file in assets

 AssetManager assetManager = getAssets();
 AssetFileDescriptor assetFileDescriptor = 
 assetManager.openFd("test.pdf");
 ParcelFileDescriptor fileDescriptor = 
 assetFileDescriptor.getParcelFileDescriptor();

 //open file from sdcard
 /*
 String targetPdf = "/sdcard/test.pdf";
 File file = new File(targetPdf);

 ParcelFileDescriptor fileDescriptor = null;
 fileDescriptor = ParcelFileDescriptor.open(
 file, ParcelFileDescriptor.MODE_READ_ONLY);
 */

 //min. API Level 21
 PdfRenderer pdfRenderer = null;
 pdfRenderer = new PdfRenderer(fileDescriptor);

 final int pageCount = pdfRenderer.getPageCount();
 Toast.makeText(this,
 "pageCount = " + pageCount,
 Toast.LENGTH_LONG).show();

 //Display page 0
 PdfRenderer.Page rendererPage = pdfRenderer.openPage(1);
 int rendererPageWidth = rendererPage.getWidth();
 int rendererPageHeight = rendererPage.getHeight();
 Bitmap bitmap = Bitmap.createBitmap(
 rendererPageWidth,
 rendererPageHeight,
 Bitmap.Config.ARGB_8888);
 rendererPage.render(bitmap, null, null,
 PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY);

 pdfView.setImageBitmap(bitmap);
 rendererPage.close();

 pdfRenderer.close();

 assetFileDescriptor.close();
 }
}

Disable folder paltb S60v3