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Created attachment 10299 [details]
The attached sample reproduces an issue where the CanGoBack and CanGoForward properties of WebView are not returning the correct values.
**Steps to Reproduce:**
1. Run the sample on an iOS simulator
2. Click the link to open a PDF.
3. Tap the Back button at the top.
Line 23 of TestPage.xaml.cs is expected to return true but it does not.
Line 23 of TestPage.xaml.cs is expected to return true and the WebView should navigate back.
**Build Date & Platform:**
I have checked this issue and able to reproduce this. To reproduce this issue I have followed steps given in bug description.
After deploying the application, I click on 'PDF', it open successfully but when I click on 'back' button I observed that it doesn't navigate back.
Here is the screencast for the same: http://www.screencast.com/t/cY3KxhtjDU
Ide log: https://gist.github.com/saurabh360/e1010839b44aeae89a33
System log: https://gist.github.com/saurabh360/f4df3fa07d8964ce62bf
Build Output: https://gist.github.com/saurabh360/a1f717935648d70fa50e
Application Output: https://gist.github.com/saurabh360/a980a55078401ecd47ae
Xamarin.Forms Version: 126.96.36.19942-pre1
=== Xamarin Studio ===
Version 5.9 (build 210)
Installation UUID: 2939b8b4-8977-42bd-82d6-100275ccd9cd
Mono 3.12.0 ((detached/62a9629)
GTK+ 2.24.23 (Raleigh theme)
Package version: 312000083
=== Apple Developer Tools ===
Xcode 6.2 (6776)
=== Xamarin.Mac ===
Version: 188.8.131.52 (Enterprise Edition)
=== Xamarin.iOS ===
Version: 184.108.40.206 (Enterprise Edition)
Build date: 2015-03-10 02:20:32-0400
=== Xamarin.Android ===
Version: 220.127.116.11 (Enterprise Edition)
Android SDK: /Users/360_macmini/Library/Developer/Xamarin/android-sdk-mac_x86
Supported Android versions:
1.6 (API level 4)
2.1 (API level 7)
2.2 (API level 8)
2.3 (API level 10)
3.1 (API level 12)
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)
4.4.87 (API level 20)
5.0 (API level 21)
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 Android Player ===
Version: Unknown version
Location: /Applications/Xamarin Android Player.app
=== Build Information ===
Release ID: 509000210
Git revision: f32ddb8c1f9836ba5e018ac51056008e9a1ac208
Build date: 2015-03-12 10:06:56-04
Xamarin addins: abfe34dd3ad6ef1a3b720d6cd74441c8e7aa22ff
=== Operating System ===
Mac OS X 10.9.4
Darwin 360-MACMINIs-Mac-mini-2.local 13.3.0 Darwin Kernel Version 13.3.0
Tue Jun 3 21:27:35 PDT 2014