Android 自定义PopupWindow 显示提示帮助信息

转载自：http://blog.csdn.net/jdsjlzx/article/details/52034865

PopupWindow is used to show floating view on display at specified position. It’s a floating container that appears on top of current activity. PopupWindow can have their own layout and can be set after inflating with setContentView(View).

Using PopupWindow we will implement Tooltip view. Tooltip view is getting quite popular these days with Android developers. It is used for engaging experience of application user. Like for first installation with series of Tooltip view around different anchor view, you can give a tour of your application.

Sample PopupWindow Application

Update your res/layout/activity_main.xml as below. It will have a button which will act as anchor view for popup window.