Android获取唯一设备号

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TelephoneManager mgr = getSystemService(Context.TELEPHONY_SERVICE);
（权限：<uses-permission android:name="android.permission.READ_PHONE_STATE"/>）
IMSI：国际移动用户识别码 ,获取方法有两种：
imsi=mgr .getSubscriberId();
imsi=android.os.SystemProperties.get(
android.telephony.TelephonyProperties.PROPERTY_IMSI);

IMEI：国际移动设备标志，获取方法有两种：
imei = mTelephonyMgr.getDeviceId();
String IMEI = android.os.SystemProperties.get(android.telephony.TelephonyProperties.PROPERTY_IMEI);

android_id:第一次启动时生成，64位十六进制数，恢复出厂设置或者刷机会改变该值，获取方法：
String androidId = Settings.Secure.getString(getContentResolver(),Settings.Secure.ANDROID_ID);

mac地址:获取方法（权限<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>）
WifiManager wm = (WifiManager) context
.getSystemService(Context.WIFI_SERVICE);
String m_szWLANMAC = wm.getConnectionInfo().getMacAddress();

单独获取都不能准确代表设备唯一号，可用三个生成一个uuid
public static String getDeviceUniqueID(Context context) {
String android_id = Secure.getString(context.getContentResolver(),
Secure.ANDROID_ID);
if (TextUtils.isEmpty(android_id))
android_id = "android_id";

WifiManager wm = (WifiManager) context
.getSystemService(Context.WIFI_SERVICE);
String wifiMacAddress = wm.getConnectionInfo().getMacAddress();
if (TextUtils.isEmpty(wifiMacAddress))
wifiMacAddress = "wifiMacAddress";

TelephonyManager TelephonyMgr = (TelephonyManager) context
.getSystemService(Context.TELEPHONY_SERVICE);
String imei = TelephonyMgr.getDeviceId();
if (TextUtils.isEmpty(imei))
imei = "imei";

UUID deviceUuid = new UUID(android_id.hashCode(),
((long) imei.hashCode() << 32) | wifiMacAddress.hashCode());
return deviceUuid.toString();
}

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