pop

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if (popupwindow != null && popupwindow.isShowing()) {
				popupwindow.dismiss();
				return;
			} else {
				initmPopupkeshi();
				popupwindow.showAsDropDown(v, 0, 5);
			}

 

public void initmPopupkeshi() {

		// // 获取自定义布局文件pop.xml的视图
		View customView = getLayoutInflater().inflate(R.layout.lv_item, null,
				false);
		// 创建PopupWindow实例,200,150分别是宽度和高度
		popupwindow = new PopupWindow(customView, 250, 280);
		// 设置动画效果 [R.style.AnimationFade 是自己事先定义好的]

		// 自定义view添加触摸事件
		customView.setOnTouchListener(new OnTouchListener() {
			@Override
			public boolean onTouch(View v, MotionEvent event) {
				if (popupwindow != null && popupwindow.isShowing()) {
					popupwindow.dismiss();
					popupwindow = null;
				}
				return false;
			}
		});
		lv = (ListView) customView.findViewById(R.id.listViewpop);

	}