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

 app/src/main/java/safeluck/drive/evaluation/fragment/BleScanFragment.java

@@ -150,13 +150,10 @@
         if (by != null){
             BluetoothDevice ble = by.getBleDevice();
             if (ble!=null ){
                 String name = ble.getName();
                 if (TextUtils.isEmpty(name)){
                     name = "未知";
                 }

                 JSONObject jsonObject = new JSONObject();
                 try {
                     jsonObject.put("bluetooth_name",name);

                     jsonObject.put("bluetooth_addr",ble.getAddress());
                 } catch (JSONException e) {
                     e.printStackTrace();