重构发送初始数据 ，改在蓝牙连接状态之后发送初始数据和考试状态

endian11

2020-12-04 8ee5db35d4b70cd13ca31d3783f427208aa8c0a4

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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="@color/color_0ab0ef" />
    <corners android:radius="5dp" />
</shape>