weex-plugin-image-picker/android/library/src/main/res/drawable/checkbox_selector.xml

image-picker extend for weex

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