Android 点赞计数，点赞之后数量加1并且点击无效

贴出关键代码

praise_layout.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
		
				if (shifou == kai) {
					shifou = guan;
				} else if (shifou == guan) {
					shifou = kai;
				}
				priase.setImageResource(shifou);
				String str1=znahsu.getText().toString();
				int i=Integer.parseInt(str1);
				Random random = new Random();
				list_zan.add(random.nextInt());
				znahsu.setText(list_zan.size()+i+"");
				praise_layout.setEnabled(false);
				Toast.makeText(All_news.this, "点赞成功", Toast.LENGTH_SHORT).show();
			}
		});