Android权限设置android.permission
android.permission.ACCESS_NETWORK_STATE：
允许程序访问有关GSM网络信息
(Allows applications to access information about networks)
android.permission.INTERNET
允许程序打开网络套接字(Allows applications to open network sockets)
android.permission.RESTART_PACKAGES
允许程序重新启动其他程序(Allows an application to restart other applications)
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