show errors thrown at PDF viewer

Author: tibbi

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

@@ -88,6 +88,10 @@ class PDFViewerActivity : SimpleActivity() {
             .scrollHandle(DefaultScrollHandle(this, primaryColor.getContrastColor(), primaryColor))
             .spacing(15)
             .onTap { toggleFullScreen() }
+            .onError {
+                showErrorToast(it.localizedMessage.toString())
+                finish()
+            }
             .load()
 
         showSystemUI(true)