Update PdfiumAndroid to 1.6.1

Add .spacing() method
Fix drawing with .onDraw()
Add .onDrawAll() method to draw on all pages
Add small rendering improvements
Fix rendering when duplicated pages are passed to .pages()
Update build tools
Update version
Update README and CHANGELOG

Author: barteksc

CHANGELOG.md

@@ -1,3 +1,11 @@
+## 2.7.0-beta (2017-06-16)
+* Update PdfiumAndroid to 1.6.1, which fixed font rendering (issue #253)
+* Add `.spacing(int)` method to add spacing (in dp) between document pages
+* Fix drawing with `.onDraw(onDrawListener)`
+* Add `.onDrawAll(onDrawListener)` method to draw on all pages
+* Add small rendering improvements
+* Fix rendering when duplicated pages are passed to `.pages(..)`
+
 ## 2.6.1 (2017-06-08)
 * Fix disappearing scroll handle
 

README.md

@@ -10,11 +10,15 @@ Library for displaying PDF documents on Android, with `animations`, `gestures`,
 It is based on [PdfiumAndroid](https://github.com/barteksc/PdfiumAndroid) for decoding PDF files. Works on API 11 (Android 3.0) and higher.
 Licensed under Apache License 2.0.
 
-## What's new in 2.6.0?
-* Fix fling on single-page documents
-* Greatly improve overall fling experience
+## What's new in 2.7.0-beta?
+* Update PdfiumAndroid to 1.6.1, which fixed font rendering (issue #253)
+* Add `.spacing(int)` method to add spacing (in dp) between document pages
+* Fix drawing with `.onDraw(onDrawListener)`
+* Add `.onDrawAll(onDrawListener)` method to draw on all pages
+* Add small rendering improvements
+* Fix rendering when duplicated pages are passed to `.pages(..)`
 
-Version 2.6.1. fixes disappearing scroll handle
+This is beta release because of big number of small changes and something could go wrong (but I didn't notice)
 
 ## Changes in 2.0 API
 * `Configurator#defaultPage(int)` and `PDFView#jumpTo(int)` now require page index (i.e. starting from 0)
@@ -29,7 +33,7 @@ Version 2.6.1. fixes disappearing scroll handle
 
 Add to _build.gradle_:
 
-`compile 'com.github.barteksc:android-pdf-viewer:2.6.1'`
+`compile 'com.github.barteksc:android-pdf-viewer:2.7.0-beta'` or `2.6.1` for more stable version
 
 Library is available in jcenter repository, probably it'll be in Maven Central soon.
 
@@ -62,7 +66,10 @@ pdfView.fromAsset(String)
     .swipeHorizontal(false)
     .enableDoubletap(true)
     .defaultPage(0)
-    .onDraw(onDrawListener) // allows to draw something on a provided canvas, above the current page
+    // allows to draw something on the current page, usually visible in the middle of the screen
+    .onDraw(onDrawListener)
+    // allows to draw something on all pages, separately for every page. Called only for visible pages
+    .onDrawAll(onDrawListener)
     .onLoad(onLoadCompleteListener) // called after document is loaded and starts to be rendered
     .onPageChange(onPageChangeListener)
     .onPageScroll(onPageScrollListener)
@@ -72,6 +79,8 @@ pdfView.fromAsset(String)
     .password(null)
     .scrollHandle(null)
     .enableAntialiasing(true) // improve rendering a little bit on low-res screens
+    // spacing between pages in dp. To define spacing color, set view background
+    .spacing(0) 
     .load();
 ```
 

android-pdf-viewer/build.gradle

@@ -13,7 +13,7 @@ ext {
     siteUrl = 'https://github.com/barteksc/AndroidPdfViewer'
     gitUrl = 'https://github.com/barteksc/AndroidPdfViewer.git'
 
-    libraryVersion = '2.6.1'
+    libraryVersion = '2.7.0-beta'
 
     developerId = 'barteksc'
     developerName = 'Bartosz Schiller'
@@ -26,19 +26,19 @@ ext {
 
 android {
     compileSdkVersion 25
-    buildToolsVersion '25.0.2'
+    buildToolsVersion '25.0.3'
 
     defaultConfig {
         minSdkVersion 11
         targetSdkVersion 25
         versionCode 1
-        versionName "2.6.1"
+        versionName "2.7.0-beta"
     }
 
 }
 
 dependencies {
-    compile 'com.github.barteksc:pdfium-android:1.5.0'
+    compile 'com.github.barteksc:pdfium-android:1.6.1'
 }
 
 apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/installv1.gradle'

android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/DragPinchManager.java

@@ -153,14 +153,13 @@ public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float ve
         int xOffset = (int) pdfView.getCurrentXOffset();
         int yOffset = (int) pdfView.getCurrentYOffset();
 
-        float minX = pdfView.toCurrentScale(pdfView.getOptimalPageWidth());
-        float minY = pdfView.toCurrentScale(pdfView.getOptimalPageHeight());
+        float minX, minY;
         if (pdfView.isSwipeVertical()) {
-            minX = -(minX - pdfView.getWidth());
-            minY = -(minY * pdfView.getPageCount() - pdfView.getHeight());
+            minX = -(pdfView.toCurrentScale(pdfView.getOptimalPageWidth()) - pdfView.getWidth());
+            minY = -(pdfView.calculateDocLength() - pdfView.getHeight());
         } else {
-            minX = -(minX * pdfView.getPageCount() - pdfView.getWidth());
-            minY = -(minY - pdfView.getHeight());
+            minX = -(pdfView.calculateDocLength() - pdfView.getWidth());
+            minY = -(pdfView.toCurrentScale(pdfView.getOptimalPageHeight()) - pdfView.getHeight());
         }
 
         animationManager.startFlingAnimation(xOffset, yOffset, (int) (velocityX), (int) (velocityY),