Android获取设备ID号

Android有多种方式可以获取设备ID，但是每一种总会有一点限制，为此，整合几种方式在一起，这样就万无一失了
public class DeviceIdFactory {
protected static final String PREFS_FILE = "device_id.xml";protected static final String PREFS_DEVICE_ID = "device_id";protected static volatile UUID uuid;private static volatile DeviceIdFactory mInstance;private DeviceIdFactory(Context context) {    if (uuid == null) {        synchronized (DeviceIdFactory.class) {            if (uuid == null) {                final SharedPreferences prefs = context                        .getSharedPreferences(PREFS_FILE, 0);                final String id = prefs.getString(PREFS_DEVICE_ID, null);                if (id != null) {                    // Use the ids previously computed and stored in the                    // prefs file                    uuid = UUID.fromString(id);                } else {                    final String androidId = Settings.Secure.getString(                            context.getContentResolver(), Settings.Secure.ANDROID_ID);                    try {                        if (!"9774d56d682e549c".equals(androidId)) {                            uuid = UUID.nameUUIDFromBytes(androidId                                    .getBytes("utf8"));                        } else {                            if (ActivityCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {                                String serial = null;                                try {                                    serial = Build.class.getField("SERIAL").get(null).toString();                                } catch (IllegalAccessException e) {                                    e.printStackTrace();                                } catch (NoSuchFieldException e) {                                    e.printStackTrace();                                }                                String m_szDevIDShort = "35" + (Build.BOARD.length() % 10) + (Build.BRAND.length() % 10) + (Build.CPU_ABI.length() % 10) + (Build.DEVICE.length() % 10) + (Build.MANUFACTURER.length() % 10) + (Build.MODEL.length() % 10) + (Build.PRODUCT.length() % 10);                                uuid = new UUID(m_szDevIDShort.hashCode(), serial.hashCode());                            } else {                                final String deviceId = ((TelephonyManager)                                        context.getSystemService(                                                Context.TELEPHONY_SERVICE)).getDeviceId();                                uuid = deviceId != null ? UUID                                        .nameUUIDFromBytes(deviceId                                                .getBytes("utf8")) : UUID                                        .randomUUID();                            }                        }                    } catch (UnsupportedEncodingException e) {                        throw new RuntimeException(e);                    }                    // Write the value out to the prefs file                    prefs.edit()                            .putString(PREFS_DEVICE_ID, uuid.toString())                            .commit();                }            }        }    }}public static DeviceIdFactory getInstance(Context context) {    if (mInstance == null) {        synchronized (DeviceIdFactory.class) {            if (mInstance == null) {                mInstance = new DeviceIdFactory(context);            }        }    }    return mInstance;}public String  getDeviceUuid() {    TLog.v("DeviceId","getDeviceUuid "+uuid.toString());    return uuid.toString();}
}
Android获取设备ID号

Android获取设备ID号

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