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蓝牙搜索到,但不显示-三星S7

String struuid = bytes2HexString(reverseBytes(scanRecord)).replace("-", "").toLowerCase();;
Log.d(TAG, "run: "+struuid);
String name = device.getName();
Log.d(TAG, "run:sring **"+name);
if(!TextUtils.isEmpty(name) && "CardioChek Meter:".contains(name)) {
mLeDeviceListAdapter.addDevice(device);
mLeDeviceListAdapter.notifyDataSetChanged();
}

请问下上述device.getName()为空,是什么情况 ,device本身是有数据,加这一层校验就过不去 if(!TextUtils.isEmpty(name) && "CardioChek Meter:".contains(name)) {

错误: 找不到符号 符号: 变量 TextUtils

在DeviceScanActivity.java里面用到的
if(!TextUtils.isEmpty(name) && "CardioChek Meter:".contains(name)) {
mLeDeviceListAdapter.addDevice(device);
mLeDeviceListAdapter.notifyDataSetChanged();
}
报找不到符号的错误,搜了好久不知道为什么。

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