修改app类，把发送规则参数改为权限允许之后（7.0）；获取地图先要获取sn改到mainActvity里面，蓝牙连接且sn不为空，权限允许

endian11

2020-11-25 5f41a352c2bc933b3595a5c7c63f7f67c8ee5280

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<?xml version="1.0" encoding="utf-8"?>
    <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
        <solid android:color="#ff187558" />
        <corners android:radius="15dp"/>
    </shape>