//創(chuàng)建popupwindow

PopupWindow ? popupWindow =new PopupWindow();

//設(shè)置寬高屬性為充滿全屏

popupWindow.setHeight(LinearLayout.LayoutParams.MATCH_PARENT);

popupWindow.setWidth(LinearLayout.LayoutParams.MATCH_PARENT);

//得到popupwindow的布局

View inflate = View.inflate(MainActivity.this, R.layout.layout_popupwindow,null);

//獲取布局控件

Button button =(Button) inflate.findViewById(R.id.mweight_popuipwindow);

popupWindow.setContentView(inflate);

popupWindow.showAsDropDown(inflate);

//旁邊會銷毀的方法

//1.必須設(shè)置背景色否則無法實現(xiàn)

popupWindow.setBackgroundDrawable(new ColorDrawable());

//setOutsideTouchable方法設(shè)置為true表示可以點擊

popupWindow.setOutsideTouchable(true);

//設(shè)置按鈕點擊事件

button.setOnClickListener(new View.OnClickListener() {

@Override

? ? public void onClick(View v) {

//點擊按鈕調(diào)用dismiss()方法關(guān)閉popupwindow

? ? ? ? popupWindow.dismiss();

}

});