android maps auto-rotate
问题 If you open the Google maps app, there is a button on the top right of the screen that you can press to center the map on your current location. The button's icon then changes. If you press the same button again, the map auto-rotates based on your compass heading. In other words, the map becomes egocentric (as opposed to allocentric AKA north always up). Google recently launched maps API V2 for Android and I certainly like it more than the old one. By default, android maps V2 will include the