Skip to content
All gists
Back to GitHub
Sign in
Sign up
Sign in
Sign up
{{ message }}
Instantly share code, notes, and snippets.
jessejiang0214
/
NavigationPageRendereriOS.cs
Last active
Jan 17, 2016
Star
0
Fork
0
Star
Code
Revisions
2
Embed
What would you like to do?
Embed
Embed this gist in your website.
Share
Copy sharable link for this gist.
Clone via HTTPS
Clone with Git or checkout with SVN using the repository’s web address.
Learn more about clone URLs
Download ZIP
Back icon renderer ios
Raw
NavigationPageRendereriOS.cs
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Show hidden characters
using
System
;
using
Xamarin
.
Forms
;
using
Xamarin
.
Forms
.
Platform
.
iOS
;
using
UIKit
;
[
assembly
:
ExportRenderer
(
typeof
(
ContentPage
),
typeof
(
ChangeBackIcon
.
iOS
.
NavigationPageRendereriOS
))]
namespace
ChangeBackIcon
.
iOS
{
public
class
NavigationPageRendereriOS
:
PageRenderer
{
public
override
void
ViewWillAppear
(
bool
animated
)
{
base
.
ViewWillAppear
(
animated
);
//
If you want to hide the back button in some pages,
//
you can pass a value to renderer and do this.
var
page
=
this
.
Element
as
ICanHideBackButton
;
if
(
page
!=
null
) {
if
(
page
.
HideBackButton
) {
this
.
NavigationController
.
TopViewController
.
NavigationItem
.
SetHidesBackButton
(
true
,
false
);
return
;
}
}
//
Change back icon.
this
.
NavigationController
.
TopViewController
.
NavigationItem
.
LeftBarButtonItem
=
new
UIBarButtonItem
(
UIImage
.
FromFile
(
"
Back.png
"
),
UIBarButtonItemStyle
.
Plain
,
(
sender
,
args
)
=>
{
//
This will overwrite PopView behavior in Xamarin Forms.
NavigationController
.
PopViewController
(
true
);
});
}
}
}
Sign up for free
to join this conversation on GitHub
. Already have an account?
Sign in to comment
You can’t perform that action at this time.
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.