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#Android kindle reader app add pdf to library for free#
#Android kindle reader app add pdf to library how to#
#Android kindle reader app add pdf to library pdf#

public class CustomAdapter extends BaseAdapter Therefore We will derive from baseadapter, an abstract class from which other adapters like ArrayAdapter do derive. package .gridviewpdf īecause we are working a custom gridview as our adapterview.It therefore needs its adapter. We then generate their getters and setters.

#Android kindle reader app add pdf to library pdf#

The PDF will have the name and path as it’s properties. This is a data object that represents a single PDF document.

Yes, so lets do that in an Object Oriented way.Lets create a POJO data object to represent a PDF document with its properties like name and file path. Moreover we will register two activities: one our main activity and the other the PDFViewer Activity. Please make sure you add this as failure to do so will result in you being unable to read the external storage at runtime. Given that we shall be reading our PDF documents from our File System in android device/emulator,lets add the permission for reading from external storage.Ī_EXTERNAL_STORAGE allows us read files from the device’s external storage. ProguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'Ĭompile fileTree(dir: 'libs', include: )Ĭompile ':appcompat-v7:24.1.1'Ĭompile ':design:24.1.1'Ĭompile ':cardview-v7:24.1.1'Ĭompile ':android-pdf-viewer:1.4.0'

apply plugin: ''ĪpplicationId ".gridviewpdf" Our GridView will contain custom CardViews so we need to add the CardView dependency as well. You may use the later versions of this library. Moreover our Custom GridView has CardViews as our viewitems so lets add the appropriate support libraries. We are using Android PDF Viewer library so we need to add it as a dependency in our app level adle.

There the user can scroll to read all the pages, or swipe side by side to move to next page.

When the user clicks a single PDF from our gridview, we open the corresponding PDF and view it in a new activity.

We display these in a nice CardView in our custom gridview.

We shall display PDF icons alongside the PDF name.

Read all PDF files from our SDCard and display in our GridView.

Then you can swipe through the pages,scroll, zoom a page etc. This is an example to introduce us by giving us a way to load PDFs into a GridView and render them. You may make a quality PDF reader for yourself.

Okay, there are PDF readers like Adobe and Foxit, but why not make yours as a side project while learning android development.Hey,with the wealth of libraries android has, its easier than you may think. Am probably everybody has or uses them.Alot of information is rendered in PDFs and since android devices are the most popular devices around,we need a way of rendering these PDFs in our device. We create our project using android studio and we have the source available for download at the end of the tutorial.Įverybody knows PDFs, Portable Document Format.

#Android kindle reader app add pdf to library for free#

We use pdf view android library called barteksc/AndroidPdfViewer, an open source pdf viewer library that is avaialble for free in android studio. This is an android view pdf document programmitically tutorial and example. Example 1: Android GridView PDF View – List,Render,Page,Zoom When the user clicks a single PDF Document, we render it in a new activity. We scan the device for a list of all the PDF documents in the device then list them in the adapterview.

#Android kindle reader app add pdf to library how to#

In this tutorial we will look at how to implement simple PDF Readers using ListView, GridView and recyclerview.