Answers for "change icon color onclick css"

css onclick change color

<style>
.dabutton:focus {
    background-color:yellow;
}
</style>
<button class="dabutton"></button> // <-- usage

image button icon color change

****source from stakeoverflow**** 
<ImageButton
        android:id="@+id/ImageButton1"
        android:tint="@color/colorAccent"
        android:src="@android:drawable/ic_menu_send" />