package com.basic.security.widget;

import android.content.Context;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;

public class Button1 extends Button {
    public Button1(Context context) {
        super(context);
    }

    public Button1(Context context, AttributeSet attrs) {
        super(context, attrs);
        addClickEffect(this);
    }

    public Button1(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    public Button1(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
    }

    void addClickEffect(View view) {
        Drawable drawableNormal = view.getBackground();
        Drawable drawablePressed = view.getBackground().getConstantState().newDrawable();
        drawablePressed.mutate();
        drawablePressed.setColorFilter(Color.argb(50, 0, 0, 0), PorterDuff.Mode.SRC_ATOP);
        StateListDrawable listDrawable = new StateListDrawable();
        listDrawable.addState(new int[]{android.R.attr.state_pressed}, drawablePressed);
        listDrawable.addState(new int[]{}, drawableNormal);
        view.setBackground(listDrawable);
    }
}