android 获取设备唯一标识完美解决方案
/** * deviceID的组成为:渠道标志+识别符来源标志+hash后的终端识别符 * * 渠道标志为: * 1,andriod(a) * * 识别符来源标志: * 1, wifi mac地址(wifi); * 2, IMEI(imei); * 3, 序列号(sn); * 4, id:随机码。若前面的都取不到时,则随机生成一个随机码,需要缓存。 * * @param context * @return */ public static String getDeviceId(Context context) { StringBuilder deviceId = new StringBuilder(); // 渠道标志 deviceId.append("a"); try { //wifi mac地址 WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); WifiInfo info = wifi.getConnectionInfo(); String wifiMac = info.getMacAddress(); if(!isEmpty(wifiMac)){ deviceId.append("wifi"); deviceId.append(wifiMac); PALog.e("getDeviceId : ", deviceId.toString()); return deviceId.toString(); } //IMEI(imei) TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); String imei = tm.getDeviceId(); if(!isEmpty(imei)){ deviceId.append("imei"); deviceId.append(imei); PALog.e("getDeviceId : ", deviceId.toString()); return deviceId.toString(); } //序列号(sn) String sn = tm.getSimSerialNumber(); if(!isEmpty(sn)){ deviceId.append("sn"); deviceId.append(sn); PALog.e("getDeviceId : ", deviceId.toString()); return deviceId.toString(); } //如果上面都没有, 则生成一个id:随机码 String uuid = getUUID(context); if(!isEmpty(uuid)){ deviceId.append("id"); deviceId.append(uuid); PALog.e("getDeviceId : ", deviceId.toString()); return deviceId.toString(); } } catch (Exception e) { e.printStackTrace(); deviceId.append("id").append(getUUID(context)); } PALog.e("getDeviceId : ", deviceId.toString()); return deviceId.toString(); } /** * 得到全局唯一UUID */ public static String getUUID(Context context){ SharedPreferences mShare = getSysShare(context, "sysCacheMap"); if(mShare != null){ uuid = mShare.getString("uuid", ""); } if(isEmpty(uuid)){ uuid = UUID.randomUUID().toString(); saveSysMap(context, "sysCacheMap", "uuid", uuid); } PALog.e(tag, "getUUID : " + uuid); return uuid; }
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