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Created attachment 8532 [details]
When a ScrollView has a StackLayout with two children: ListView and Label, that have a height large enough that should cause a scroll, the height is incorrect of the ScrollView. The ScrollView will be large enough for the Label, and the first cell in the ListView, but the remaining part of the ListView is not visible.
Also, if any bottom padding is on the ScrollView, the content is clipped incorrectly.
**Steps to Reproduce:**
1. Run the attached sample project.
Notice that the Label text (green background) is very long, and fully visible (correct). The ListView below the Label is not fully visible (incorrect). Only the first cell is visible (almost, it is slightly clipped at the bottom do to the Padding on the ScrollView which is also incorrect).
The Label looks fine. The ScrollView should scroll further so that the entire ListView is visible. Also, the bottom should have 20 px padding and not clip the content of the cell.
**Build Date & Platform:**
Android (Tested on API 19 Nexus 4)
This might be similar to # 23841.
I have checked this issue and able to reproduce.To reproduce this issue I have followed the steps mentioned in bug description. I observed that the Label text (green background) is very long, and fully
visible (correct). The ListView below the Label is not fully visible.
Additional Information: Getting different behavior on iOS and android. Please refer the screencast below.
Screencast(iOS): : http://www.screencast.com/t/XmTXSJUW
Please let me confirmed is that same behavior experiencing you or not ? If not the could you please let me know that what steps should I follow/missing to reproduce this issue. that will be very helpful to reproduce this issue at our end.
Please let me know if I am missing anything.
=== Xamarin Studio ===
Version 5.5.3 (build 6)
Installation UUID: 011d70a5-dede-428b-ab04-ef451c2e539d
Mono 3.10.0 ((detached/e204655)
GTK+ 2.24.23 (Raleigh theme)
Package version: 310000023
=== Xamarin.Android ===
Version: 4.18.0 (Business Edition)
Android SDK: /Users/MM/Desktop/android-sdk-macosx
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)
4.4.87 (API level 20)
4.5 (API level 21)
Java SDK: /usr
java version "1.7.0_65"
Java(TM) SE Runtime Environment (build 1.7.0_65-b17)
Java HotSpot(TM) 64-Bit Server VM (build 24.65-b04, mixed mode)
=== Apple Developer Tools ===
Xcode 6.0.1 (6528)
=== Xamarin.iOS ===
Version: 188.8.131.52 (Business Edition)
Build date: 2014-10-20 21:48:06-0400
=== Xamarin.Mac ===
Version: 184.108.40.206 (Business Edition)
=== Build Information ===
Release ID: 505030006
Git revision: fbe3e9453daf6a3bb9a9709ed22bec35f7c9056b
Build date: 2014-10-23 13:08:38-04
Xamarin addins: e44add2b39de4dd57c0742bb2e620dfad84c64c6
=== Operating System ===
Mac OS X 10.9.5
Darwin MacMini.local 13.4.0 Darwin Kernel Version 13.4.0
Sun Aug 17 19:50:11 PDT 2014
ListView inside a ScrollView does not and will continue not to have a defined height. You must set the HeightRequest of hte ListView if you want to have predictable behavior. Doing a full height calculation is extremely expensive (potentially impossible with infinite sized lists)