关于PopuWindow动态设置背景的问题

Question

试试获取 PopupWindow 的窗口 Window 然后,在那里设置背景呢

Answer 1

获取 PopupWindow 的窗口 Window？不太明白您的描述！

Answer 2

 mPop = new PopupWindow(v, WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT);
        final TextView t = new TextView(this);
        t.setText("123");
        mPop.setContentView(t);        v.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mPop.isShowing()){
                    t.setBackgroundColor(Color.BLUE);
                }else
                mPop.showAsDropDown(v);
//                mPop.showAsDropDown(findViewById(R.id.j),0,0);            }
        });你可以看看这份 demo,你不要为 popupwindow 设置背景,为他的 contentView 设置背景吧