Bug 58868 - App Crashes Immediately on API 19 and below
Summary: App Crashes Immediately on API 19 and below
Status: RESOLVED FIXED
Alias: None
Product: Forms
Classification: Xamarin
Component: Android ()
Version: 2.4.0
Hardware: PC Windows
: High critical
Target Milestone: 2.4.0
Assignee: Rui Marinho
URL:
: 58910 ()
Depends on:
Blocks:
 
Reported: 2017-08-18 00:29 UTC by Jimmy [MSFT]
Modified: 2017-08-29 18:16 UTC (History)
8 users (show)

Tags: ac android crash NoSuchMethodError fr
Is this bug a regression?: Yes
Last known good build: 2.3.5-pre6


Attachments
repro project (43.52 KB, application/x-zip-compressed)
2017-08-18 00:29 UTC, Jimmy [MSFT]
Details


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Status:
RESOLVED FIXED

Description Jimmy [MSFT] 2017-08-18 00:29:31 UTC
Created attachment 24288 [details]
repro project

### Overview
Apps crash at launch on Android API 19 and below:

> UNHANDLED EXCEPTION:
> Java.Lang.NoSuchMethodError: no method with name='getElevation' signature='()F' in class Lcom/xamarin/forms/platform/android/FormsViewGroup;
> at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <183b200ee49746d48fc781625979428e>:0 
> at Java.Interop.JniEnvironment+InstanceMethods.GetMethodID (Java.Interop.JniObjectReference type, System.String name, System.String signature) [0x0005b] in <50812bf827614c0faffacac58772b4fa>:0 
> at Java.Interop.JniType.GetInstanceMethod (System.String name, System.String signature) [0x0000c] in <50812bf827614c0faffacac58772b4fa>:0 
> at Java.Interop.JniPeerMembers+JniInstanceMethods.GetMethodInfo (System.String encodedMember) [0x00031] in <50812bf827614c0faffacac58772b4fa>:0 
> at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeVirtualSingleMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x00045] in <50812bf827614c0faffacac58772b4fa>:0 
> at Android.Views.View.get_Elevation () [0x0000a] in <71828dd8fb5f4508815e23d6996c45c2>:0 
> at Xamarin.Forms.Platform.Android.Platform+DefaultRenderer.GetChildDrawingOrder (System.Int32 childCount, System.Int32 i) [0x0001a] in C:\BuildAgent3\work\ca3766cfc22354a1\Xamarin.Forms.Platform.Android\Renderers\ListViewAdapter.cs:111 
> at Android.Views.ViewGroup.n_GetChildDrawingOrder_II (System.IntPtr jnienv, System.IntPtr native__this, System.Int32 childCount, System.Int32 i) [0x00008] in <71828dd8fb5f4508815e23d6996c45c2>:0 
> at (wrapper dynamic-method) System.Object:ccd6f35f-c8df-471d-a4ff-29c0bee32847 (intptr,intptr,int,int)


### Platforms Affected
Android


### Steps to Reproduce
1. Run the attached repro project on an Android API 19 or below device/emulator


### Expected Results
The app will launch.


### Actual Results
The app immediately crashes.


### Version Tests
2.4.0-pre1  BAD
2.3.5-pre6  GOOD
2.3.4.267   GOOD
Comment 2 Paul DiPietro [MSFT] 2017-08-20 16:24:59 UTC
*** Bug 58910 has been marked as a duplicate of this bug. ***
Comment 3 Seifer 2017-08-23 13:06:10 UTC
Any estimations on when fixed 2.4.0 version can be used?
Comment 4 Rui Marinho 2017-08-23 21:46:02 UTC
Should be fixed on 2.4.0-pre2
Comment 5 Seifer 2017-08-23 21:47:41 UTC
Rui, when 2.4.0-pre2 be available to test (approximately)?
Comment 6 Samantha Houts [MSFT] 2017-08-29 18:16:55 UTC
@Seifer: Right now! :)