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POHow to get a android ListView item selector to use state_checked
 

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  1. POHow to get a android ListView item selector to use state_checked
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    <p>Tearing my hair out trying to get an Android ListView to do what I want. </p> <p>I want to have a ListView in single choice mode with a custom row layout that has a different background color for selected, pressed and checked (i.e. the choice is shown by a color rather than a check mark - this is what I would normally call the "selection" but selection in android seems line I'm about to choose before I press it)</p> <p>I thought of trying a background selector with the three states in it. It works fine for state_selected and state_pressed, but not state_checked. So I created a CheckableRelativeLayout that extends RelativeLayout and implements Checkable and used for the view of each row.</p> <p>A simplified version is shown here:</p> <pre><code>&lt;my.package.CheckableRelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@drawable/bkg_selector"&gt; &gt; &lt;ImageView android:id="@+id/animage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" /&gt; &lt;/my.package.CheckableRelativeLayout&gt; </code></pre> <p>bkg_selector looks like</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;selector xmlns:android="http://schemas.android.com/apk/res/android"&gt; &lt;item android:state_pressed="true" android:drawable="@drawable/purple" /&gt; &lt;item android:state_checked="true" android:drawable="@drawable/red" /&gt; &lt;item android:state_selected="true" android:drawable="@drawable/darkpurple" /&gt; &lt;item android:drawable="@drawable/black" /&gt; &lt;/selector&gt; </code></pre> <p>The colors are defined elsewhere.</p> <p>This still didn't work. So in the custom ListAdapter I tracked the "checked" row and tried (in getView)</p> <p>if( position == checkedPosition ) ret.getBackground().setState(CHECKED_STATE_SET);</p> <p>And it STILL doesn't work. How can I get it to do what I want?</p>
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