Android PopupWindow 相關設置

windowLayout = LayoutInflater.from(LiveActivity.this).inflate(R.layout.live_pop_more, null);
window = new PopupWindow(windowLayout,
        WindowManager.LayoutParams.WRAP_CONTENT,
        WindowManager.LayoutParams.WRAP_CONTENT);
window.setFocusable(true);
// 設置popWindow的顯示和消失動畫
window.setAnimationStyle(R.style.popwindow_anim_up_down_style);
window.setOutsideTouchable(true);
//這句是爲了防止彈出菜單獲取焦點之後，點擊activity的其他組件沒有響應
window.setBackgroundDrawable(new BitmapDrawable());

//popupwindow在指定位置顯示
windowLayout.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
int popupWidth = windowLayout.getMeasuredWidth();
int popupHeight = windowLayout.getMeasuredHeight();
int[] location = new int[2];
// 獲得位置
ivMore.getLocationOnScreen(location);
window.showAtLocation(ivMore, Gravity.NO_GRAVITY, (location[0] + ivMore.getWidth() / 2) - popupWidth / 2, location[1] - popupHeight);