/**
* 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;
}