Question

I am able to setup a listview using custom adapter which shows correct output.each list item also has an gradient style see drawable.xml below how do I change the item background to some other gradient on tapping any of them. can I set different gradients for each of the items.?

<shape xmlns:android="http://schemas.android.com/apk/res/android"
 android:shape="rectangle">
<gradient 
android:startColor="#FFFAFAFA" 
android:centerColor="#FFFFFFFF" 
android:endColor="#FFFAFAFA" 
android:angle="90"/>
</shape>

My files…

activity_main.xml….Main xml file

MainActivity.java….Main activity

Item.java…. item selector method

ItemAdaptor…. custom adapter

list_item.xml….. item (textView) styling

Answer 1

I got a color change on tapping with

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
...
android:background="@drawable/listitem_states" >

with res/values/listitem_states.xml:

<?xml version="1.0" encoding="utf-8"?> 
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
    android:state_selected="true"
   android:drawable="@color/listitem_active_color" ></item>
<item
    android:state_pressed="true"
   android:drawable="@color/listitem_active_color" ></item>
<item 
    android:drawable="@color/listitem_bg_color" /> 
</selector> 

I guess you can easily adapt that for gradients.