Android widget and Hover window principle

1, Introduction Android Widget is a desktop plug-in, the Android system application development level has a special purpose. Appwidget is a way to embed the control of a process into a window of a process. The effect of the hover window is similar to the widget, but it is much more flexible than the widget.
2, detailed 1, widgets

2. Suspension form

3, the example is not introduced, download it directly.

3. Summary

The suspension form and the desktop plug-in are very important to the application, the author briefly describes this.

Android widget and Hover window principle