Android PopupWindow

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        LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View inflaterView = inflater.inflate(R.layout.fuel_popup, null);
        PopupWindow popupWindow = new PopupWindow(inflaterView, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, true);
        popupWindow.setBackgroundDrawable(new ColorDrawable(Color.GRAY));
        popupWindow.setOutsideTouchable(true);
        popupWindow.showAtLocation(composerButtonsShowHideButton, Gravity.CENTER, 0, 0);//定位

ceshi

        LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View inflaterView = inflater.inflate(R.layout.fuel_popup, null);
        PopupWindow popupWindow = new PopupWindow(inflaterView, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, true);
        popupWindow.setBackgroundDrawable(new ColorDrawable(Color.GRAY));
        popupWindow.setOutsideTouchable(true);
        popupWindow.showAtLocation(composerButtonsShowHideButton, Gravity.CENTER, 0, 0);//定位