SafeTreeController / app / src / main / res / drawable / bg_pwd_visible_toggle.xml

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