Android popwindow realizes the pop-up menu layer on the left and introduces the main methods of popupwindow
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Android
Popupwindow can realize the floating layer effect. The main methods are: you can customize the view and use the layoutinflator method; Animation can be displayed when it appears and exits; You can specify the display position, etc. In order to show multiple functions of popupwindow and strive to realize them with simple code, a function of clicking the pop-up menu on the left side of the button is written to display the animation effect when it appears and exits, and the pop-up layer automatically disappears when it clicks other areas. The effect diagram is as follows: source Code: 1. Popwindowonleftactivity.java
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