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When a user opens a PDF file using the Quick Look Previewer in a Xamarin.iOS application on an iPad, the document fails to load (grey screen appears) with the text:
my pdf viewer
This only occurs when the third-party app ClickMeeting is also installed on the device.
To reproduce the issue:
1) Download the attached test project PDFViewerTest
2) Install the ClickMeeting application on the iPad.
3) Attempt to deploy the PDFViewerTest to the iPad device
The pdf should appear whether the ClickMeeting app is installed or not.
The pdf fails to load
=== Xamarin Studio ===
Version 4.2.5 (build 0)
Installation UUID: f6a3c61f-a7e2-4740-ba09-86314760e340
Mono 3.2.6 ((no/9b58377)
GTK+ 2.24.23 (Raleigh theme)
Package version: 302060000
=== Apple Developer Tools ===
Xcode 5.1.1 (5085)
=== Xamarin.iOS ===
Version: 22.214.171.124 (Business Edition)
Build date: 2014-04-22 12:49:14-0400
=== Xamarin.Android ===
Version: 4.12.3 (Business Edition)
Android SDK: /Users/amiller/Library/Developer/Xamarin/android-sdk-mac_x86
Supported Android versions:
2.1 (API level 7)
2.2 (API level 8)
2.3 (API level 10)
3.1 (API level 12)
3.2 (API level 13)
4.0 (API level 14)
4.0.3 (API level 15)
4.1 (API level 16)
4.2 (API level 17)
4.3 (API level 18)
4.4 (API level 19)
Java SDK: /usr
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)
=== Xamarin.Mac ===
=== Build Information ===
Release ID: 402050000
Git revision: 95ac543f224a70960a9ab71e24ce341eb87de06f
Build date: 2014-05-02 13:05:15-04
Xamarin addins: b81285ac0156281956135adb96685f98922893a1
=== Operating System ===
Mac OS X 10.9.2
iPad running 7.1.1 (11D201)
It's because ClickMeeting handles pdfs by setting CFBundleDocumentTypes/UTExportedTypeDeclarations in their Info.plist.
There is nothing Xamarin can do about this.
It might be possible to 'override' ClickMeeting by setting the same options in the app's Info.plist.