Android displays PDF files and androidpdf files

Android displays PDF files and androidpdf files

1. Open-Source Project address:

Https://github.com/JoanZapata/android-pdfview

 

2. Reference

compile 'com.joanzapata.pdfview:android-pdfview:1.0.4@aar'

 

3. layout File

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:fitsSystemWindows="true"    tools:context="zyj.com.myapplication.MainActivity">    <com.joanzapata.pdfview.PDFView        android:id="@+id/pdfView"        android:layout_width="match_parent"        android:layout_height="match_parent"        /></RelativeLayout>

 

Use

Package zyj.com. myapplication; import android. graphics. canvas; import android. OS. bundle; import android. support. v7.app. appCompatActivity; import android. widget. toast; import com.joanzapata.pdf view. lateral view; import com.joanzapata.pdf view. listener. onDrawListener; import com.joanzapata.pdf view. listener. onLoadCompleteListener; import com.joanzapata.pdf view. listener. onPageChangeListener; import java. io. file; public class MainActivity extends AppCompatActivity implements OnPageChangeListener, OnLoadCompleteListener, OnDrawListener {private lateral view; @ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); lateral View = (lateral View) findViewById (r.id1_view); // read the pdf displayFromAssets ("baosets") from the assets Directory "); // read pdf displayFromFile (new File ("fileName") from the File;} private void displayFromAssets (String assetFileName) {lateral view. fromAsset (assetFileName) // sets the PDF file address. defaultPage (6) // set to display page 1st by default. onPageChange (this) // sets the page flip listener. onLoad (this) // sets the load listener. onDraw (this) // graph monitoring. showMinimap (false) // specifies whether to generate a small map in the upper-right corner of the screen when the pdf file is enlarged. swipeVertical (false) // whether the page flip of the pdf document is vertical page flip. By default, the page flip is left and right. enableSwipe (true) // whether to allow page turning. By default, page turning is allowed //. pages (2, 3, 4, 5) // filter out 2, 3, 4, 5. load ();} private void displayFromFile (File file) {lateral view. fromFile (file) // sets the PDF file address. defaultPage (6) // set to display page 1st by default. onPageChange (this) // sets the page flip listener. onLoad (this) // sets the load listener. onDraw (this) // graph monitoring. showMinimap (false) // specifies whether to generate a small map in the upper-right corner of the screen when the pdf file is enlarged. swipeVertical (false) // whether the page flip of the pdf document is vertical page flip. By default, the page flip is left and right. enableSwipe (true) // whether to allow page flip. The default value is to allow page flip //. pages (2, 3, 4, 5) // filter out 2, 3, 4, 5. load ();}/*** page flip callback * @ param page * @ param pageCount */@ Override public void onPageChanged (int page, int pageCount) {Toast. makeText (MainActivity. this, "page =" + page + "pageCount =" + pageCount, Toast. LENGTH_SHORT ). show ();}/*** callback for loading completion * @ param nbPages total page number */@ Override public void loadComplete (int nbPages) {Toast. makeText (MainActivity. this, "loaded" + nbPages, Toast. LENGTH_SHORT ). show () ;}@ Override public void onLayerDrawn (Canvas canvas, float pageWidth, float pageHeight, int displayedPage) {// Toast. makeText (MainActivity. this, "pageWidth =" + pageWidth + "// pageHeight =" + pageHeight + "displayedPage =" + displayedPage, Toast. LENGTH_SHORT ). show ();}}

 

4. Project address (android Studio environment)

Http://download.csdn.net/detail/yanzi2015/9341525