Checkbox - Thay biểu tượng checkbox

 - main.xml : 

<CheckBox

            .........
            android:button="@drawable/custom_checkbox_design"
           ......
            >

        </CheckBox>


- custom_checkbox_design.xml : 

<?xml version="1.0" encoding="utf-8"?>
   
    <selector xmlns:android="http://schemas.android.com/apk/res/android">
   
         <item android:state_checked="true" android:drawable="@drawable/checked" />
         <item android:state_checked="false" android:drawable="@drawable/unchecked" />
   
    </selector>

- @drawable/checked là icon

- @drawable/unchecked là icon :