The app Pocket Bus allows friends to check bus travel routes, transfer plans, scan QR codes to ride, etc. at any time. You can also use the software to switch cities and view buses in various cities. You can find the source code for the specific switching operation method. Study online.
1. First click on the city displayed in the upper left corner.
2. Then you can directly enter the required city in the search box.
3. Finally, you can continue to slide the phone screen and click to select the city you want to switch.
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