package com.ubtrobot.jimu.bluetooth.utils;

/* loaded from: classes2.dex */
public class ByteHexHelper {
    public static String a(byte[] bArr) {
        StringBuilder sb = new StringBuilder("");
        if (bArr == null || bArr.length <= 0) {
            return "";
        }
        for (byte b : bArr) {
            String hexString = Integer.toHexString(b & 255);
            if (hexString.length() < 2) {
                sb.append(0);
            }
            sb.append(hexString);
            sb.append(" ");
        }
        return sb.toString();
    }
}