How to select the contents of an item without using the Notifydatasetchanged () method

The files you need to create in the Drawable folder, such as: My_select.xml, are as follows:

<?xml version= "1.0" encoding= "Utf-8"? ><selector xmlns:android= "http://schemas.android.com/apk/res/ Android "> <item android:drawable=" @drawable/my_checked "android:state_enabled=" true "android:state_s Elected= "true"/> <item android:drawable= "@drawable/my_def"/></selector>

my_checked: Check

My_def: Not selected

Places to be aware of:

Android:state_selected= "true"

Must be state_selected property

The item layout file in the Layout folder: The item layout file is a sub-file in the adapter adapter

Add code to the control you need to select

android:background= "@drawable/course_select" android:descendantfocusability= "blocksdescendants"

Then reference the layout file in your adapter.

How to select the contents of an item without using the Notifydatasetchanged () method