Custom Renderer

Dynamically Changing Xamarin.Forms Tab Icons When Selected

Spicing up your Xamarin.Forms tab can easily be done in a few ways. You can add tint color in Android when the user deselects a tab, which can also be done in iOS in addition to a full swap of a selected image. It was recently pointed out to me that these blogs highlighted a way of adding back a bit of nativeness, but didn't answer a different question of how to actually completely change the icon itself when a tab is selected. This question caught me off guard as I have never really changed th…

James Montemagno

Xamarin.Forms Android Selected & Unselected Tab Colors

I get a lot of questions about Xamarin.Forms. One of my most popular blogs was about spicing up iOS tabs with selected and unselected tab colors, and since that day developers have been asking about Android. Well, to be honest I was always against adding icons to material tabs in Android, but developers want to do it, so here is how you can, with a Custom Renderer for a Tabbed Page. Here is what it will look like at the end of the day: Add Icons First things first, you must set the “Icon&r…

James Montemagno

Adding a Disclosure Indicator Accessory to Xamarin.Forms ViewCells

Xamarin.Forms has a super powerful ListView. You can easily add custom cells, pull to refresh, headers, footers, and even sections with just a few lines of code. A while ago I talked about how to easily group items to display section headers in the ListView. You get a great native styling of section headers with just a few simple lines of code. One thing I have noticed and has bothered me specifically with iOS is the lack of the Disclosure Indicator on cells. A Disclosure Indicator you say? What…

James Montemagno

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Dynamically Changing Xamarin.Forms Tab Icons When Selected

Xamarin.Forms Android Selected & Unselected Tab Colors

Adding a Disclosure Indicator Accessory to Xamarin.Forms ViewCells

James Montemagno

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