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There appears to be no clear way of setting the width of the Master property in a MasterDetailPage. The width remains fixed, on some devices filling most of the screen. See this thread for an example:
I have checked this issue and able to reproduce it.
I tried following steps to reproduce it.
1.Create a Xamarin form application.
2.Add a class(.cs) and inherit MasterDetailPage.
3.Did some code to set width
this.Master = new ContentPage
Title = "Color List",
// Title required!
Content = new StackLayout
I observed that Width of masterpage is not getting changed when I implement code to change the width of master page with using property "WidthRequest=100".
Screencast regarding Same:
=== Xamarin Studio ===
Version 5.5 (build 227)
Installation UUID: 011d70a5-dede-428b-ab04-ef451c2e539d
Mono 3.10.0 ((detached/47db868)
GTK+ 2.24.23 (Raleigh theme)
Package version: 310000019
=== Apple Developer Tools ===
Xcode 5.1 (5084)
=== Xamarin.Mac ===
Version: 220.127.116.11 (Starter Edition)
=== Xamarin.Android ===
Version: 4.18.0 (Enterprise 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)
=== Xamarin.iOS ===
Version: 18.104.22.168 (Enterprise Edition)
Build date: 2014-10-03 00:25:37-0400
=== Build Information ===
Release ID: 505000227
Git revision: 7b721eeec7a2fa4c4f4de0ecd2aed4dc25edac95
Build date: 2014-10-02 15:53:38-04
Xamarin addins: 99ed56b428b31eba1efaace4d82188d6f334e6ca
=== 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
Sorry wrong screencast URL typed.
Update screencast regarding same :
At this time we are not targeting the ability to change the widtch of the Master without a renderer. However it has been resolved to be a sane width on Android unlike before.
We may re-visit this topic in the future.