Bug 38801 - Changing MasterDetail Page Title after app resuming causes an exception
Summary: Changing MasterDetail Page Title after app resuming causes an exception
Status: CONFIRMED
Alias: None
Product: Forms
Classification: Xamarin
Component: Android ()
Version: 2.0.0
Hardware: PC Mac OS
: Normal major
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2016-02-16 14:49 UTC by John Miller [MSFT]
Modified: 2017-01-03 02:56 UTC (History)
3 users (show)

Tags: ac
Is this bug a regression?: ---
Last known good build:


Attachments
Sample Project (71.16 KB, application/zip)
2016-02-16 14:50 UTC, John Miller [MSFT]
Details


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Related Links:
Status:
CONFIRMED

Description John Miller [MSFT] 2016-02-16 14:49:43 UTC
**Overview:**

   Changing a MasterDetail Pages title after the app resumes will cause an exception. 

**Steps to Reproduce:**

1. Start the app

2. Open the Menu (click on the back-arrow)

3. Click on "Goto subpage"

4. Click on "Change language to XY"

5. Navigate back through the navigation stack until the app is minimized

6. Reopen the app

7. Open the Menu (click on the back-arrow)

8. Click on "Goto subpage"

9. Click on "Change language to XY"

**Actual Results:**

   System.NullReferenceExceptionObject reference not set to an instance of an object

   See attached stacktrace.txt

**Expected Results:**

   No Exceptions

**Build Date & Platform:**

   XF 2.1-pre4
Comment 2 John Miller [MSFT] 2016-02-16 14:50:54 UTC
Created attachment 15058 [details]
Sample Project

Use this sample for reproducing the issue.
Comment 3 adrianknight89 2016-12-05 07:29:54 UTC
I tried to reproduce this on AppCompat, but I could not. Looks like this might be an issue with FormsApplicationActivity.