add device info collector

src/android/BluememeUtils.java

@@ -11,6 +11,7 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.hardware.biometrics.BiometricManager;
 import android.hardware.biometrics.BiometricPrompt;
@@ -47,11 +48,14 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
+import java.util.TimeZone;
+import java.util.UUID;
 import java.util.concurrent.Executor;
 
 public class BluememeUtils extends CordovaPlugin {
     private static final String TAG = "BluememeUtils";
     private static final String PREFS = "bluememe_utils";
+    private static final String KEY_DEVICE_KEY = "device_key";
     private static final String KEY_FCM_TOKEN = "fcm_token";
     private static final String KEY_INITIAL_NOTIFICATION = "initial_notification";
     private static final String ACTION_SUFFIX = ".BLUEMEME_UTILS_EVENT";
@@ -75,6 +79,10 @@ public class BluememeUtils extends CordovaPlugin {
 
     @Override
     public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
+        if ("getDeviceInfo".equals(action)) {
+            getDeviceInfo(callbackContext);
+            return true;
+        }
         if ("saveWifi".equals(action)) {
             saveWifi(args.optJSONObject(0), callbackContext);
             return true;
@@ -184,6 +192,32 @@ public class BluememeUtils extends CordovaPlugin {
         }
     }
 
+    private void getDeviceInfo(CallbackContext callbackContext) {
+        Context context = cordova.getActivity().getApplicationContext();
+        try {
+            JSONObject result = new JSONObject();
+            PackageInfo packageInfo = packageInfo(context);
+
+            result.put("deviceKey", getOrCreateDeviceKey(context));
+            result.put("platform", "Android");
+            result.put("appIdentifier", context.getPackageName());
+            result.put("appVersion", packageInfo == null || packageInfo.versionName == null ? "" : packageInfo.versionName);
+            result.put("buildNumber", packageInfo == null ? "" : String.valueOf(packageVersionCode(packageInfo)));
+            result.put("osVersion", Build.VERSION.RELEASE == null ? "" : Build.VERSION.RELEASE);
+            result.put("sdkVersion", Build.VERSION.SDK_INT);
+            result.put("deviceModel", deviceModel());
+            result.put("manufacturer", Build.MANUFACTURER == null ? "" : Build.MANUFACTURER);
+            result.put("brand", Build.BRAND == null ? "" : Build.BRAND);
+            result.put("model", Build.MODEL == null ? "" : Build.MODEL);
+            result.put("locale", currentLocaleTag());
+            result.put("timeZone", TimeZone.getDefault().getID());
+
+            callbackContext.success(result);
+        } catch (Exception ex) {
+            sendError(callbackContext, "DEVICE_INFO_FAILED", ex.getMessage());
+        }
+    }
+
     private void connectWifi(JSONObject options, CallbackContext callbackContext) {
         JSONObject normalized = normalizeWifiOptions(options);
         String validationError = validateWifiOptions(normalized);
@@ -1124,6 +1158,60 @@ public class BluememeUtils extends CordovaPlugin {
         return value == null ? "" : String.valueOf(value);
     }
 
+    private static PackageInfo packageInfo(Context context) {
+        try {
+            PackageManager packageManager = context.getPackageManager();
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                return packageManager.getPackageInfo(context.getPackageName(), PackageManager.PackageInfoFlags.of(0));
+            }
+            return packageManager.getPackageInfo(context.getPackageName(), 0);
+        } catch (PackageManager.NameNotFoundException ex) {
+            Log.w(TAG, "Unable to read package info.", ex);
+            return null;
+        }
+    }
+
+    private static long packageVersionCode(PackageInfo packageInfo) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            return packageInfo.getLongVersionCode();
+        }
+        return packageInfo.versionCode;
+    }
+
+    private static String getOrCreateDeviceKey(Context context) {
+        SharedPreferences preferences = prefs(context);
+        String existing = preferences.getString(KEY_DEVICE_KEY, "");
+        if (!TextUtils.isEmpty(existing)) {
+            return existing;
+        }
+        String generated = UUID.randomUUID().toString();
+        preferences.edit().putString(KEY_DEVICE_KEY, generated).apply();
+        return generated;
+    }
+
+    private static String deviceModel() {
+        String manufacturer = Build.MANUFACTURER == null ? "" : Build.MANUFACTURER;
+        String model = Build.MODEL == null ? "" : Build.MODEL;
+        if (TextUtils.isEmpty(manufacturer)) {
+            return model;
+        }
+        if (TextUtils.isEmpty(model)) {
+            return manufacturer;
+        }
+        if (model.toLowerCase(Locale.US).startsWith(manufacturer.toLowerCase(Locale.US))) {
+            return model;
+        }
+        return manufacturer + " " + model;
+    }
+
+    private static String currentLocaleTag() {
+        Locale locale = Locale.getDefault();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            return locale.toLanguageTag();
+        }
+        return locale.toString();
+    }
+
     static String eventAction(Context context) {
         return context.getPackageName() + ACTION_SUFFIX;
     }