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https://blog.csdn.net/shichaog/article/details/52728684?locationNum=6
https://blog.csdn.net/ccc905341846/article/details/79009200
https://blog.csdn.net/Neoway0401/article/details/83505993
http://androidxref.com/8.1.0_r33/xref/frameworks/base/services/core/java/com/android/server/BluetoothManagerService.java#2020
http://deadhorse.blog.chinaunix.net/uid-26009923-id-4405680.html
https://blog.csdn.net/yutao52shi/article/details/12690353
https://www.cnblogs.com/alanz/p/6439720.html
https://blog.csdn.net/lijunxie/article/details/84066620
https://blog.csdn.net/huxingnong/article/details/52531502
https://blog.csdn.net/hehe26/article/details/51671480
https://blog.csdn.net/weixin_41205419/article/details/79881443
https://blog.csdn.net/hubinbin595959/article/details/53997339
https://blog.csdn.net/u012439416/article/details/52599790
https://blog.csdn.net/u012439416/article/category/6475898
https://blog.csdn.net/zy573736453/article/details/76944686
https://blog.csdn.net/u012439416/article/details/52599835
https://blog.csdn.net/u012439416/article/details/78975801
https://blog.csdn.net/u012439416/article/details/78975866
https://blog.csdn.net/u012439416/article/details/54348772
https://blog.csdn.net/yp_nothing/article/details/80572589
https://blog.csdn.net/liuhe688/article/details/6955668
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https://blog.csdn.net/u010481276/article/details/53386311
https://blog.csdn.net/zmk0810612124/article/details/82494136
