<com.dd.processbutton.FlatButton
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Flat Button"
    android:textColor="@android:color/white"
    custom:pb_colorNormal="@android:color/holo_blue_light"
    custom:pb_colorPressed="@android:color/holo_blue_dark" />

<com.dd.processbutton.iml.ActionProcessButton
    android:id="@+id/btnSignIn"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginBottom="16dp"
    android:text="Sign_in"
    android:textColor="@android:color/white"
    android:textSize="18sp"
    custom:pb_colorComplete="@color/green_complete"
    custom:pb_colorNormal="@color/blue_normal"
    custom:pb_colorPressed="@color/blue_pressed"
    custom:pb_colorProgress="@color/purple_progress"
    custom:pb_textComplete="Success"
    custom:pb_textProgress="Loading"
    custom:pb_textError="Error"
    custom:pb_colorError="@color/red_error" />
            
<!--background color which will be displayed when progress is [100]-->
custom:pb_colorComplete
<!--text which will be displayed when progress is [100]-->
custom:pb_textComplete
<!--loading color which will be displayed when progress is [1-99]-->
custom:pb_colorProgress
<!--text which will be displayed when progress is [1-99]-->
custom:pb_textProgress
<!--text which will be displayed when progress is [-1]-->
custom:pb_textError="Error"
<!--background color which will be displayed when progress is [-1]-->
custom:pb_colorComplete