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    copied!<p>so as @Longwayto said, selector styles are only available for drawables. That doesn't mean it's impossible.</p> <p>Here's a working approach.</p> <p>First you create a custom TextView that extends <code>TextView</code></p> <pre class="lang-csharp prettyprint-override"><code>public class MyTextView: TextView { private readonly Context _context; public FontIconTextView(Context context, IAttributeSet attrs) : base(context) { _context = context; Initialize(attrs); } private void Initialize(IAttributeSet attrs) { var a = _context.Theme.ObtainStyledAttributes(attrs, Resource.Styleable.MyTextView, 0, 0); _touchGlowColor = a.GetString(Resource.Styleable.MyTextView_TouchGlowColor); _touchGlowSize = a.GetInteger(Resource.Styleable.MyTextView_TouchGlowSize, 0); Initialize(); } private void Initialize() { // other initialize stuff happens here... } private int _touchGlowSize; private string _touchGlowColor; public override bool OnTouchEvent(MotionEvent motionEvent) { if (Enabled) { var color = string.IsNullOrEmpty(_touchGlowColor) ? new Color(255, 255, 255, 255) : Color.ParseColor(_touchGlowColor); switch (motionEvent.Action) { case MotionEventActions.Down: SetShadowLayer(_touchGlowSize, 0, 0, color); break; case MotionEventActions.Up: case MotionEventActions.Cancel: SetShadowLayer(0, 0, 0, new Color(255, 255, 255, 255)); break; } } return base.OnTouchEvent(motionEvent); } } </code></pre> <p>then, you have to go into your values directory and specify your custom attributes.</p> <p><strong>Resources\values\CustomBindingAttributes.xml</strong></p> <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;resources&gt; &lt;declare-styleable name="MyTextView"&gt; &lt;attr name="TouchGlowColor" format="string" /&gt; &lt;attr name="TouchGlowSize" format="integer" /&gt; &lt;/declare-styleable&gt; &lt;/resources&gt; </code></pre> <p><em><strong>All of the above will be reusable across your entire application... no more duplicating shit on every view.</em></strong></p> <p>Lastly, here's how your button will look.</p> <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:local="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent"&gt; &lt;!-- obviously the foo/bar is just to show that you add android attrs like normal --&gt; &lt;some.name.space.MyTextView android:foo="foo" amdroid:bar="bar" local:TouchGlowColor="#66e400" local:TouchGlowSize="20" /&gt; &lt;/LinearLayout&gt; </code></pre> <p><em>one gotcha I ran into is setting <code>TouchGlowSize</code> to 30 caused the app to crash. not sure why atm</em></p>
 

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