first commit

lib/utils/device_info.dart

@@ -0,0 +1,124 @@
+import 'dart:io';
+
+import 'package:adjust_sdk/adjust.dart';
+import 'package:device_info_plus/device_info_plus.dart';
+import 'package:flutter/widgets.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+import 'package:play_install_referrer/play_install_referrer.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class DeviceInfo {
+  static const String _spInstallReferrer = "installReferrer";
+  static const String _spAdjustAttribution = "adjustAttribution";
+  DeviceInfo._();
+  static final DeviceInfo I = DeviceInfo._();
+  Future<Map<String, dynamic>> deviceInfo() async {
+    final Map<String, dynamic> json = {};
+
+    if (!Platform.isAndroid) {
+      return json;
+    }
+
+    final packageInfo = await PackageInfo.fromPlatform();
+    final devicePlugin = DeviceInfoPlugin();
+    final androidInfo = await devicePlugin.androidInfo;
+
+    json["packageName"] = packageInfo.packageName;
+    json["versionName"] = packageInfo.version;
+    json["versionCode"] = packageInfo.buildNumber;
+    json["osVersion"] = androidInfo.version.release;
+    json["sdkInt"] = androidInfo.version.sdkInt.toString();
+    json["brand"] = androidInfo.brand;
+    json["model"] = androidInfo.model;
+    json["device"] = androidInfo.device;
+
+    try {
+      final results = await Future.wait<String?>([
+        getInstallReferrer(),
+        getAdjustAdId(),
+        getAdjustAttribution(),
+      ]);
+
+      final installReferrer = results[0];
+      final adid = results[1];
+      final adjustAttributionJson = results[2];
+
+      if (installReferrer != null && installReferrer.isNotEmpty) {
+        json["installReferrer"] = installReferrer;
+      }
+
+      if (adid != null && adid.isNotEmpty) {
+        json["adjustAdId"] = adid;
+      }
+
+      if (adjustAttributionJson != null && adjustAttributionJson.isNotEmpty) {
+        json["adjustInstall"] = adjustAttributionJson;
+      }
+    } catch (e) {
+      debugPrint("[DeviceInfo] load adjust/referrer failed: $e");
+    }
+
+    return json;
+  }
+
+  Future<String?> getInstallReferrer() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final cachedReferrer = prefs.getString(_spInstallReferrer);
+      if (cachedReferrer != null && cachedReferrer.isNotEmpty) {
+        return cachedReferrer;
+      }
+
+      final referrerDetails = await PlayInstallReferrer.installReferrer;
+      final referrer = referrerDetails.installReferrer;
+
+      if (referrer != null && referrer.isNotEmpty) {
+        await prefs.setString(_spInstallReferrer, referrer);
+      }
+      return referrer;
+    } catch (e) {
+      debugPrint("[DeviceInfo] get install referrer failed: $e");
+      return null;
+    }
+  }
+
+  Future<String?> getAdjustAdId() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final cached = prefs.getString("adjustAdId");
+      if (cached != null && cached.isNotEmpty) {
+        return cached;
+      }
+
+      final adid = await Adjust.getAdidWithTimeout(2000);
+      if (adid != null && adid.isNotEmpty) {
+        await prefs.setString("adjustAdId", adid);
+      }
+      return adid;
+    } catch (e) {
+      debugPrint("[DeviceInfo] get adjust adid failed: $e");
+      return null;
+    }
+  }
+
+  Future<String?> getAdjustAttribution() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final cachedAttribution = prefs.getString(_spAdjustAttribution);
+      if (cachedAttribution != null && cachedAttribution.isNotEmpty) {
+        return cachedAttribution;
+      }
+
+      final attribution = await Adjust.getAttributionWithTimeout(2000);
+      final attributionJson = attribution?.jsonResponse;
+
+      if (attributionJson != null && attributionJson.isNotEmpty) {
+        await prefs.setString(_spAdjustAttribution, attributionJson);
+      }
+      return attributionJson;
+    } catch (e) {
+      debugPrint("[DeviceInfo] get adjust attribution failed: $e");
+      return null;
+    }
+  }
+}