如何按降序使图像按钮看不见？

Question

我有5个图像按钮，我想通过降序显示和看不见。像5,4,3,2,1那样就完成了。但是当我来到ImageButton1时，我无法让它再次隐形。因为两个条件同时在该按钮上运行。一个是制作2,3,4,5按钮Invisible而另一个是制作Imagebutton1 Invisible.so我该怎么办？

     imgmilku1.setOnClickListener(new OnClickListener() {

      public void onClick(View v) {
            // TODO Auto-generated method stub
            imgmilks1.setVisibility(View.VISIBLE);
            imgmilks2.setVisibility(View.INVISIBLE);
            imgmilks3.setVisibility(View.INVISIBLE);
            imgmilks4.setVisibility(View.INVISIBLE);
            imgmilks5.setVisibility(View.INVISIBLE);
            imgmilks3.setVisibility(View.INVISIBLE);
            imgmilku1.setVisibility(View.INVISIBLE);
            imgmilku2.setVisibility(View.VISIBLE);
            imgmilku3.setVisibility(View.VISIBLE);
            imgmilku4.setVisibility(View.VISIBLE);
            imgmilku5.setVisibility(View.VISIBLE);

            firstglass = 1 * 300;

        }
    });
    imgmilks1.setOnClickListener(new OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub
            // imgmilks1.setVisibility(View.VISIBLE);
            // imgmilku1.setVisibility(View.INVISIBLE);
            imgmilks4.setVisibility(View.INVISIBLE);
            imgmilku4.setVisibility(View.VISIBLE);
            imgmilks5.setVisibility(View.INVISIBLE);
            imgmilku5.setVisibility(View.VISIBLE);
            imgmilks3.setVisibility(View.INVISIBLE);
            imgmilku3.setVisibility(View.VISIBLE);
            imgmilks2.setVisibility(View.INVISIBLE);
            imgmilku2.setVisibility(View.VISIBLE);


            firstglass = 1 * 300;
        }
    });

imgmilku2.setOnClickListener(new OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

            imgmilks1.setVisibility(View.VISIBLE);
            imgmilks2.setVisibility(View.VISIBLE);
            imgmilks3.setVisibility(View.INVISIBLE);
            imgmilku4.setVisibility(View.VISIBLE);
            imgmilku1.setVisibility(View.INVISIBLE);
            imgmilku2.setVisibility(View.INVISIBLE);
            imgmilku3.setVisibility(View.VISIBLE);

            secondglass = 2 * 300;

        }
    });
    imgmilks2.setOnClickListener(new OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub
            imgmilks4.setVisibility(View.INVISIBLE);
            imgmilku4.setVisibility(View.VISIBLE);
            imgmilks5.setVisibility(View.INVISIBLE);
            imgmilku5.setVisibility(View.VISIBLE);
            imgmilks3.setVisibility(View.INVISIBLE);
            imgmilku3.setVisibility(View.VISIBLE);
            secondglass = 2 * 300;


        }
    });

imgmilku3.setOnClickListener（new OnClickListener（）{

        public void onClick(View v) {
            // TODO Auto-generated method stub
            imgmilks1.setVisibility(View.VISIBLE);
            imgmilks2.setVisibility(View.VISIBLE);
            imgmilks3.setVisibility(View.VISIBLE);
            imgmilku4.setVisibility(View.VISIBLE);
            imgmilku1.setVisibility(View.INVISIBLE);
            imgmilku2.setVisibility(View.INVISIBLE);
            imgmilku3.setVisibility(View.INVISIBLE);

            thirdglass = 3 * 300;

        }
    });
    imgmilks3.setOnClickListener(new OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

            imgmilks4.setVisibility(View.INVISIBLE);
            imgmilku4.setVisibility(View.VISIBLE);
            imgmilks5.setVisibility(View.INVISIBLE);
            imgmilku5.setVisibility(View.VISIBLE);
            fourtglass = 0;
            thirdglass = 3 * 300;



        }
    });

imgmilku4.setOnClickListener（new OnClickListener（）{

        public void onClick(View v) {
            // TODO Auto-generated method stub
            imgmilks1.setVisibility(View.VISIBLE);
            imgmilks2.setVisibility(View.VISIBLE);
            imgmilks3.setVisibility(View.VISIBLE);
            imgmilks4.setVisibility(View.VISIBLE);
            imgmilku1.setVisibility(View.INVISIBLE);
            imgmilku2.setVisibility(View.INVISIBLE);
            imgmilku3.setVisibility(View.INVISIBLE);
            imgmilku4.setVisibility(View.INVISIBLE);
            fourtglass = 4 * 300;



        }
    });
    imgmilks4.setOnClickListener(new OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

            imgmilks5.setVisibility(View.INVISIBLE);
            imgmilku5.setVisibility(View.VISIBLE);
            fifthglass = 0;
            fourtglass = 4 * 300;

        }
    });

    imgmilku5.setOnClickListener(new OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub
            imgmilks5.setVisibility(View.VISIBLE);
            imgmilks4.setVisibility(View.VISIBLE);
            imgmilks3.setVisibility(View.VISIBLE);
            imgmilks2.setVisibility(View.VISIBLE);
            imgmilks1.setVisibility(View.VISIBLE);

            imgmilku5.setVisibility(View.INVISIBLE);
            imgmilku4.setVisibility(View.INVISIBLE);
            imgmilku3.setVisibility(View.INVISIBLE);
            imgmilku2.setVisibility(View.INVISIBLE);
            imgmilku1.setVisibility(View.INVISIBLE);
            firstglass = 0;
            secondglass = 0;
            thirdglass = 0;
            fourtglass = 0;

            fifthglass = 5 * 300;


        }
    });