Revert "fix #619, use a different pdf viewer"

This reverts commit ab47bcadbe.

app/build.gradle

@@ -65,7 +65,7 @@ android {
 
 dependencies {
     implementation 'com.github.SimpleMobileTools:Simple-Commons:30e6321592'
-    implementation 'com.github.tibbi:PdfViewPager:d2af24208d'
+    implementation 'com.github.esensar:AndroidPdfViewer:1b33733a2b'
     implementation 'com.github.Stericson:RootTools:df729dcb13'
     implementation 'com.github.Stericson:RootShell:1.6'
     implementation 'com.alexvasilkov:gesture-views:2.5.2'

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/MainActivity.kt

@@ -632,6 +632,7 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun launchAbout() {
+        // TODO: Add PDFViewer license
         val licenses = LICENSE_GLIDE or LICENSE_PATTERN or LICENSE_REPRINT or LICENSE_GESTURE_VIEWS or LICENSE_PDF_VIEW_PAGER or LICENSE_AUTOFITTEXTVIEW
 
         val faqItems = arrayListOf(

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/PDFViewerActivity.kt

@@ -6,11 +6,9 @@ import android.graphics.Color
 import android.os.Bundle
 import android.print.PrintAttributes
 import android.print.PrintManager
-import android.view.View
 import android.view.WindowManager
-import androidx.viewpager2.widget.MarginPageTransformer
 import android.widget.RelativeLayout
-import androidx.viewpager2.widget.ViewPager2
+import com.github.barteksc.pdfviewer.scroll.DefaultScrollHandle
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.REAL_FILE_PATH
 import com.simplemobiletools.commons.helpers.isPiePlus
@@ -18,8 +16,6 @@ import com.simplemobiletools.filemanager.pro.R
 import com.simplemobiletools.filemanager.pro.extensions.hideSystemUI
 import com.simplemobiletools.filemanager.pro.extensions.showSystemUI
 import com.simplemobiletools.filemanager.pro.helpers.PdfDocumentAdapter
-import es.voghdev.pdfviewpager.library.adapter.PDFPagerAdapter
-import es.voghdev.pdfviewpager.library.adapter.PdfErrorHandler
 import kotlinx.android.synthetic.main.activity_pdf_viewer.*
 
 class PDFViewerActivity : SimpleActivity() {
@@ -95,21 +91,17 @@ class PDFViewerActivity : SimpleActivity() {
             return
         }
 
-        val clickListener = View.OnClickListener {
-            toggleFullScreen()
-        }
-
-        val errorHandler = PdfErrorHandler { throwable -> showErrorToast(throwable.toString()) }
-
-        pdf_viewer.setPageTransformer(MarginPageTransformer(resources.getDimension(R.dimen.activity_margin).toInt()))
-        pdf_viewer.orientation = ViewPager2.ORIENTATION_VERTICAL
-        try {
-            pdf_viewer.adapter = PDFPagerAdapter(this, clickListener, errorHandler, uri.toString(), getProperBackgroundColor())
-        } catch (e: Exception) {
-            showErrorToast(e)
+        val primaryColor = getProperPrimaryColor()
+        pdf_viewer.setBackgroundColor(getProperBackgroundColor())
+        pdf_viewer.fromUri(uri)
+            .scrollHandle(DefaultScrollHandle(this, primaryColor.getContrastColor(), primaryColor))
+            .spacing(15)
+            .onTap { toggleFullScreen() }
+            .onError {
+                showErrorToast(it.localizedMessage?.toString() ?: getString(R.string.unknown_error_occurred))
                 finish()
-            return
             }
+            .load()
 
         showSystemUI(true)
 

app/src/main/res/layout/activity_pdf_viewer.xml

@@ -6,7 +6,7 @@
     android:layout_height="wrap_content"
     app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
-    <androidx.viewpager2.widget.ViewPager2
+    <com.github.barteksc.pdfviewer.PDFView
         android:id="@+id/pdf_viewer"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />