summaryrefslogtreecommitdiffstats
path: root/mobile/android/thirdparty/com/keepsafe
diff options
context:
space:
mode:
authorMatt A. Tobin <email@mattatobin.com>2019-04-23 15:32:23 -0400
committerMatt A. Tobin <email@mattatobin.com>2019-04-23 15:32:23 -0400
commitabe80cc31d5a40ebed743085011fbcda0c1a9a10 (patch)
treefb3762f06b84745b182af281abb107b95a9fcf01 /mobile/android/thirdparty/com/keepsafe
parent63295d0087eb58a6eb34cad324c4c53d1b220491 (diff)
downloadUXP-abe80cc31d5a40ebed743085011fbcda0c1a9a10.tar
UXP-abe80cc31d5a40ebed743085011fbcda0c1a9a10.tar.gz
UXP-abe80cc31d5a40ebed743085011fbcda0c1a9a10.tar.lz
UXP-abe80cc31d5a40ebed743085011fbcda0c1a9a10.tar.xz
UXP-abe80cc31d5a40ebed743085011fbcda0c1a9a10.zip
Issue #1053 - Drop support Android and remove Fennec - Part 1a: Remove mobile/android
Diffstat (limited to 'mobile/android/thirdparty/com/keepsafe')
-rw-r--r--mobile/android/thirdparty/com/keepsafe/switchboard/AsyncConfigLoader.java54
-rw-r--r--mobile/android/thirdparty/com/keepsafe/switchboard/DeviceUuidFactory.java70
-rw-r--r--mobile/android/thirdparty/com/keepsafe/switchboard/Preferences.java105
-rw-r--r--mobile/android/thirdparty/com/keepsafe/switchboard/Switch.java72
-rw-r--r--mobile/android/thirdparty/com/keepsafe/switchboard/SwitchBoard.java390
5 files changed, 0 insertions, 691 deletions
diff --git a/mobile/android/thirdparty/com/keepsafe/switchboard/AsyncConfigLoader.java b/mobile/android/thirdparty/com/keepsafe/switchboard/AsyncConfigLoader.java
deleted file mode 100644
index 2cff4b4c3..000000000
--- a/mobile/android/thirdparty/com/keepsafe/switchboard/AsyncConfigLoader.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- Copyright 2012 KeepSafe Software Inc.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-package com.keepsafe.switchboard;
-
-
-import android.content.Context;
-import android.os.AsyncTask;
-
-/**
- * An async loader to load user config in background thread based on internal generated UUID.
- *
- * Call <code>AsyncConfigLoader.execute()</code> to load SwitchBoard.loadConfig() with own ID.
- * To use your custom UUID call <code>AsyncConfigLoader.execute(uuid)</code> with uuid being your unique user id
- * as a String
- *
- * @author Philipp Berner
- *
- */
-public class AsyncConfigLoader extends AsyncTask<Void, Void, Void> {
-
- private Context context;
- private String defaultServerUrl;
-
- /**
- * Sets the params for async loading either SwitchBoard.updateConfigServerUrl()
- * or SwitchBoard.loadConfig.
- * Loads config with a custom UUID
- * @param c Application context
- * @param defaultServerUrl Default URL endpoint for Switchboard config.
- */
- public AsyncConfigLoader(Context c, String defaultServerUrl) {
- this.context = c;
- this.defaultServerUrl = defaultServerUrl;
- }
-
- @Override
- protected Void doInBackground(Void... params) {
- SwitchBoard.loadConfig(context, defaultServerUrl);
- return null;
- }
-}
diff --git a/mobile/android/thirdparty/com/keepsafe/switchboard/DeviceUuidFactory.java b/mobile/android/thirdparty/com/keepsafe/switchboard/DeviceUuidFactory.java
deleted file mode 100644
index c4476d2cd..000000000
--- a/mobile/android/thirdparty/com/keepsafe/switchboard/DeviceUuidFactory.java
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- Copyright 2012 KeepSafe Software Inc.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-package com.keepsafe.switchboard;
-
-import java.util.UUID;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-
-/**
- * Generates a UUID and stores is persistent as in the apps shared preferences.
- *
- * @author Philipp Berner
- */
-public class DeviceUuidFactory {
- protected static final String PREFS_FILE = "com.keepsafe.switchboard.uuid";
- protected static final String PREFS_DEVICE_ID = "device_id";
-
- private static UUID uuid = null;
-
- public DeviceUuidFactory(Context context) {
- if (uuid == null) {
- synchronized (DeviceUuidFactory.class) {
- if (uuid == null) {
- final SharedPreferences prefs = context
- .getSharedPreferences(PREFS_FILE, Context.MODE_PRIVATE);
- 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 {
- uuid = UUID.randomUUID();
-
- // Write the value out to the prefs file
- prefs.edit().putString(PREFS_DEVICE_ID, uuid.toString()).apply();
- }
- }
- }
- }
- }
-
- /**
- * Returns a unique UUID for the current android device. As with all UUIDs,
- * this unique ID is "very highly likely" to be unique across all Android
- * devices. Much more so than ANDROID_ID is.
- *
- * The UUID is generated with <code>UUID.randomUUID()</code>.
- *
- * @return a UUID that may be used to uniquely identify your device for most
- * purposes.
- */
- public UUID getDeviceUuid() {
- return uuid;
- }
-
-} \ No newline at end of file
diff --git a/mobile/android/thirdparty/com/keepsafe/switchboard/Preferences.java b/mobile/android/thirdparty/com/keepsafe/switchboard/Preferences.java
deleted file mode 100644
index f7f6f7cb7..000000000
--- a/mobile/android/thirdparty/com/keepsafe/switchboard/Preferences.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- Copyright 2012 KeepSafe Software Inc.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-package com.keepsafe.switchboard;
-
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.support.annotation.Nullable;
-
-/**
- * Application preferences for SwitchBoard.
- * @author Philipp Berner
- *
- */
-public class Preferences {
-
- private static final String switchBoardSettings = "com.keepsafe.switchboard.settings";
-
- private static final String CONFIG_JSON = "config-json";
- private static final String OVERRIDE_PREFIX = "experiment.override.";
-
-
- /**
- * Gets the user config as a JSON string.
- * @param c Context
- * @return Config JSON
- */
- @Nullable public static String getDynamicConfigJson(Context c) {
- final SharedPreferences prefs = c.getApplicationContext().getSharedPreferences(switchBoardSettings, Context.MODE_PRIVATE);
- return prefs.getString(CONFIG_JSON, null);
- }
-
- /**
- * Saves the user config as a JSON sting.
- * @param c Context
- * @param configJson Config JSON
- */
- public static void setDynamicConfigJson(Context c, String configJson) {
- final SharedPreferences.Editor editor = c.getApplicationContext().
- getSharedPreferences(switchBoardSettings, Context.MODE_PRIVATE).edit();
- editor.putString(CONFIG_JSON, configJson);
- editor.apply();
- }
-
- /**
- * Gets the override value for an experiment.
- *
- * @param c Context
- * @param experimentName Experiment name
- * @return Whether or not the experiment should be enabled, or null if there is no override.
- */
- @Nullable public static Boolean getOverrideValue(Context c, String experimentName) {
- final SharedPreferences prefs = c.getApplicationContext().
- getSharedPreferences(switchBoardSettings, Context.MODE_PRIVATE);
-
- final String key = OVERRIDE_PREFIX + experimentName;
- if (prefs.contains(key)) {
- // This will never fall back to the default value.
- return prefs.getBoolean(key, false);
- }
-
- // Default to returning null if no override was found.
- return null;
- }
-
- /**
- * Saves an override value for an experiment.
- *
- * @param c Context
- * @param experimentName Experiment name
- * @param isEnabled Whether or not to enable the experiment
- */
- public static void setOverrideValue(Context c, String experimentName, boolean isEnabled) {
- final SharedPreferences.Editor editor = c.getApplicationContext().
- getSharedPreferences(switchBoardSettings, Context.MODE_PRIVATE).edit();
- editor.putBoolean(OVERRIDE_PREFIX + experimentName, isEnabled);
- editor.apply();
- }
-
- /**
- * Clears the override value for an experiment.
- *
- * @param c Context
- * @param experimentName Experiment name
- */
- public static void clearOverrideValue(Context c, String experimentName) {
- final SharedPreferences.Editor editor = c.getApplicationContext().
- getSharedPreferences(switchBoardSettings, Context.MODE_PRIVATE).edit();
- editor.remove(OVERRIDE_PREFIX + experimentName);
- editor.apply();
- }
-}
diff --git a/mobile/android/thirdparty/com/keepsafe/switchboard/Switch.java b/mobile/android/thirdparty/com/keepsafe/switchboard/Switch.java
deleted file mode 100644
index 5307750bb..000000000
--- a/mobile/android/thirdparty/com/keepsafe/switchboard/Switch.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- Copyright 2012 KeepSafe Software Inc.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-package com.keepsafe.switchboard;
-
-import org.json.JSONObject;
-
-import android.content.Context;
-
-/**
- * Single instance of an existing experiment for easier and cleaner code.
- *
- * @author Philipp Berner
- *
- */
-public class Switch {
-
- private Context context;
- private String experimentName;
-
- /**
- * Creates an instance of a single experiment to give more convenient access to its values.
- * When the given experiment does not exist, it will give back default valued that can be found
- * in <code>Switchboard</code>. Developer has to know that experiment exists when using it.
- * @param c Application context
- * @param experimentName Name of the experiment as defined on the server
- */
- public Switch(Context c, String experimentName) {
- this.context = c;
- this.experimentName = experimentName;
- }
-
- /**
- * Returns true if the experiment is active for this particular user.
- * @return Status of the experiment and false when experiment does not exist.
- */
- public boolean isActive() {
- return SwitchBoard.isInExperiment(context, experimentName);
- }
-
- /**
- * Returns true if the experiment has additional values.
- * @return true when values exist
- */
- public boolean hasValues() {
- return SwitchBoard.hasExperimentValues(context, experimentName);
- }
-
- /**
- * Gives back all the experiment values in a JSONObject. This function checks if
- * values exists. If no values exist, it returns null.
- * @return Values in JSONObject or null if non
- */
- public JSONObject getValues() {
- if(hasValues())
- return SwitchBoard.getExperimentValuesFromJson(context, experimentName);
- else
- return null;
- }
-}
diff --git a/mobile/android/thirdparty/com/keepsafe/switchboard/SwitchBoard.java b/mobile/android/thirdparty/com/keepsafe/switchboard/SwitchBoard.java
deleted file mode 100644
index e99144045..000000000
--- a/mobile/android/thirdparty/com/keepsafe/switchboard/SwitchBoard.java
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- Copyright 2012 KeepSafe Software Inc.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-package com.keepsafe.switchboard;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Locale;
-import java.util.MissingResourceException;
-import java.util.zip.CRC32;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-import org.json.JSONArray;
-
-import android.content.Context;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.os.Build;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.util.Log;
-
-
-/**
- * SwitchBoard is the core class of the KeepSafe Switchboard mobile A/B testing framework.
- * This class provides a bunch of static methods that can be used in your app to run A/B tests.
- *
- * The SwitchBoard supports production and staging environment.
- *
- * For usage <code>initDefaultServerUrls</code> for first time usage. Server URLs can be updates from
- * a remote location with <code>initConfigServerUrl</code>.
- *
- * To run a experiment use <code>isInExperiment()</code>. The experiment name has to match the one you
- * setup on the server.
- * All functions are design to be safe for programming mistakes and network connection issues. If the
- * experiment does not exists it will return false and pretend the user is not part of it.
- *
- * @author Philipp Berner
- *
- */
-public class SwitchBoard {
-
- private static final String TAG = "SwitchBoard";
-
- /** Set if the application is run in debug mode. */
- public static boolean DEBUG = true;
-
- // Top-level experiment keys.
- private static final String KEY_DATA = "data";
- private static final String KEY_NAME = "name";
- private static final String KEY_MATCH = "match";
- private static final String KEY_BUCKETS = "buckets";
- private static final String KEY_VALUES = "values";
-
- // Match keys.
- private static final String KEY_APP_ID = "appId";
- private static final String KEY_COUNTRY = "country";
- private static final String KEY_DEVICE = "device";
- private static final String KEY_LANG = "lang";
- private static final String KEY_MANUFACTURER = "manufacturer";
- private static final String KEY_VERSION = "version";
-
- // Bucket keys.
- private static final String KEY_MIN = "min";
- private static final String KEY_MAX = "max";
-
- /**
- * Loads a new config for a user. This method does network I/O, so it
- * should not be called on the main thread.
- *
- * @param c ApplicationContext
- * @param serverUrl Server URL endpoint.
- */
- static void loadConfig(Context c, @NonNull String serverUrl) {
- final URL url;
- try {
- url = new URL(serverUrl);
- } catch (MalformedURLException e) {
- Log.e(TAG, "Exception creating server URL", e);
- return;
- }
-
- final String result = readFromUrlGET(url);
- if (DEBUG) Log.d(TAG, "Result: " + result);
- if (result == null) {
- return;
- }
-
- // Cache result locally in shared preferences.
- Preferences.setDynamicConfigJson(c, result);
- }
-
- public static boolean isInBucket(Context c, int low, int high) {
- final int userBucket = getUserBucket(c);
- return (userBucket >= low) && (userBucket < high);
- }
-
- /**
- * Looks up in config if user is in certain experiment. Returns false as a default value when experiment
- * does not exist.
- * Experiment names are defined server side as Key in array for return values.
- * @param experimentName Name of the experiment to lookup
- * @return returns value for experiment or false if experiment does not exist.
- */
- public static boolean isInExperiment(Context c, String experimentName) {
- final Boolean override = Preferences.getOverrideValue(c, experimentName);
- if (override != null) {
- return override;
- }
-
- final String config = Preferences.getDynamicConfigJson(c);
- if (config == null) {
- return false;
- }
-
- try {
- // TODO: cache the array into a mapping so we don't do a loop everytime we are looking for a experiment key
- final JSONArray experiments = new JSONObject(config).getJSONArray(KEY_DATA);
- JSONObject experiment = null;
-
- for (int i = 0; i < experiments.length(); i++) {
- JSONObject entry = experiments.getJSONObject(i);
- final String name = entry.getString(KEY_NAME);
- if (name.equals(experimentName)) {
- experiment = entry;
- break;
- }
- }
-
- if (experiment == null) {
- return false;
- }
-
- if (!isMatch(c, experiment.optJSONObject(KEY_MATCH))) {
- return false;
- }
-
- final JSONObject buckets = experiment.getJSONObject(KEY_BUCKETS);
- final boolean inExperiment = isInBucket(c, buckets.getInt(KEY_MIN), buckets.getInt(KEY_MAX));
-
- if (DEBUG) {
- Log.d(TAG, experimentName + " = " + inExperiment);
- }
- return inExperiment;
- } catch (JSONException e) {
- // If the experiment name is not found in the JSON, just return false.
- // There is no need to log an error, since we don't really care if an
- // inactive experiment is missing from the config.
- return false;
- }
- }
-
- private static List<String> getExperimentNames(Context c) throws JSONException {
- // TODO: cache the array into a mapping so we don't do a loop everytime we are looking for a experiment key
- final List<String> returnList = new ArrayList<>();
- final String config = Preferences.getDynamicConfigJson(c);
- final JSONArray experiments = new JSONObject(config).getJSONArray(KEY_DATA);
-
- for (int i = 0; i < experiments.length(); i++) {
- JSONObject entry = experiments.getJSONObject(i);
- returnList.add(entry.getString(KEY_NAME));
- }
- return returnList;
- }
-
- @Nullable
- private static JSONObject getExperiment(Context c, String experimentName) throws JSONException {
- // TODO: cache the array into a mapping so we don't do a loop everytime we are looking for a experiment key
- final String config = Preferences.getDynamicConfigJson(c);
- final JSONArray experiments = new JSONObject(config).getJSONArray(KEY_DATA);
- JSONObject experiment = null;
-
- for (int i = 0; i < experiments.length(); i++) {
- JSONObject entry = experiments.getJSONObject(i);
- if (entry.getString(KEY_NAME).equals(experimentName)) {
- experiment = entry;
- break;
- }
- }
- return experiment;
- }
-
- private static boolean isMatch(Context c, @Nullable JSONObject matchKeys) {
- // If no match keys are specified, default to enabling the experiment.
- if (matchKeys == null) {
- return true;
- }
-
- if (matchKeys.has(KEY_APP_ID)) {
- final String packageName = c.getPackageName();
- try {
- if (!packageName.matches(matchKeys.getString(KEY_APP_ID))) {
- return false;
- }
- } catch (JSONException e) {
- Log.e(TAG, "Exception matching appId", e);
- }
- }
-
- if (matchKeys.has(KEY_COUNTRY)) {
- try {
- final String country = Locale.getDefault().getISO3Country();
- if (!country.matches(matchKeys.getString(KEY_COUNTRY))) {
- return false;
- }
- } catch (MissingResourceException|JSONException e) {
- Log.e(TAG, "Exception matching country", e);
- }
- }
-
- if (matchKeys.has(KEY_DEVICE)) {
- final String device = Build.DEVICE;
- try {
- if (!device.matches(matchKeys.getString(KEY_DEVICE))) {
- return false;
- }
- } catch (JSONException e) {
- Log.e(TAG, "Exception matching device", e);
- }
-
- }
- if (matchKeys.has(KEY_LANG)) {
- try {
- final String lang = Locale.getDefault().getISO3Language();
- if (!lang.matches(matchKeys.getString(KEY_LANG))) {
- return false;
- }
- } catch (MissingResourceException|JSONException e) {
- Log.e(TAG, "Exception matching lang", e);
- }
- }
- if (matchKeys.has(KEY_MANUFACTURER)) {
- final String manufacturer = Build.MANUFACTURER;
- try {
- if (!manufacturer.matches(matchKeys.getString(KEY_MANUFACTURER))) {
- return false;
- }
- } catch (JSONException e) {
- Log.e(TAG, "Exception matching manufacturer", e);
- }
- }
-
- if (matchKeys.has(KEY_VERSION)) {
- try {
- final String version = c.getPackageManager().getPackageInfo(c.getPackageName(), 0).versionName;
- if (!version.matches(matchKeys.getString(KEY_VERSION))) {
- return false;
- }
- } catch (NameNotFoundException|JSONException e) {
- Log.e(TAG, "Exception matching version", e);
- }
- }
-
- // Default to return true if no matches failed.
- return true;
- }
-
- /**
- * @return a list of all active experiments.
- */
- public static List<String> getActiveExperiments(Context c) {
- final List<String> returnList = new ArrayList<>();
-
- final String config = Preferences.getDynamicConfigJson(c);
- if (config == null) {
- return returnList;
- }
-
- try {
- final JSONObject data = new JSONObject(config);
- final List<String> experiments = getExperimentNames(c);
-
- for (int i = 0; i < experiments.size(); i++) {
- final String name = experiments.get(i);
-
- // Check override value before reading saved JSON.
- Boolean isActive = Preferences.getOverrideValue(c, name);
- if (isActive == null) {
- // TODO: This is inefficient because it will check all the match cases on all experiments.
- isActive = isInExperiment(c, name);
- }
- if (isActive) {
- returnList.add(name);
- }
- }
- } catch (JSONException e) {
- // Something went wrong!
- }
-
- return returnList;
- }
-
- /**
- * Checks if a certain experiment has additional values.
- * @param c ApplicationContext
- * @param experimentName Name of the experiment
- * @return true when experiment exists
- */
- public static boolean hasExperimentValues(Context c, String experimentName) {
- return getExperimentValuesFromJson(c, experimentName) != null;
- }
-
- /**
- * Returns the experiment value as a JSONObject.
- * @param experimentName Name of the experiment
- * @return Experiment value as String, null if experiment does not exist.
- */
- @Nullable
- public static JSONObject getExperimentValuesFromJson(Context c, String experimentName) {
- final String config = Preferences.getDynamicConfigJson(c);
-
- if (config == null) {
- return null;
- }
-
- try {
- final JSONObject experiment = getExperiment(c, experimentName);
- if (experiment == null) {
- return null;
- }
- return experiment.getJSONObject(KEY_VALUES);
- } catch (JSONException e) {
- Log.e(TAG, "Could not create JSON object from config string", e);
- }
-
- return null;
- }
-
- /**
- * Returns a String containing the server response from a GET request
- * @param url URL for GET request.
- * @return Returns String from server or null when failed.
- */
- @Nullable private static String readFromUrlGET(URL url) {
- try {
- HttpURLConnection connection = (HttpURLConnection) url.openConnection();
- connection.setRequestMethod("GET");
- connection.setUseCaches(false);
-
- InputStream is = connection.getInputStream();
- InputStreamReader inputStreamReader = new InputStreamReader(is);
- BufferedReader bufferReader = new BufferedReader(inputStreamReader, 8192);
- String line;
- StringBuilder resultContent = new StringBuilder();
- while ((line = bufferReader.readLine()) != null) {
- resultContent.append(line);
- }
- bufferReader.close();
-
- return resultContent.toString();
- } catch (IOException e) {
- e.printStackTrace();
- }
-
- return null;
- }
-
- /**
- * Return the bucket number of the user. There are 100 possible buckets.
- */
- private static int getUserBucket(Context c) {
- final DeviceUuidFactory df = new DeviceUuidFactory(c);
- final String uuid = df.getDeviceUuid().toString();
-
- CRC32 crc = new CRC32();
- crc.update(uuid.getBytes());
- long checksum = crc.getValue();
- return (int)(checksum % 100L);
- }
-}