settings: device-dependent defaults

android/app/src/main/kotlin/deckers/thibault/aves/MainActivity.kt

@@ -36,6 +36,7 @@ class MainActivity : FlutterActivity() {
         MethodChannel(messenger, AppAdapterHandler.CHANNEL).setMethodCallHandler(AppAdapterHandler(this))
         MethodChannel(messenger, AppShortcutHandler.CHANNEL).setMethodCallHandler(AppShortcutHandler(this))
         MethodChannel(messenger, DebugHandler.CHANNEL).setMethodCallHandler(DebugHandler(this))
+        MethodChannel(messenger, DeviceHandler.CHANNEL).setMethodCallHandler(DeviceHandler())
         MethodChannel(messenger, EmbeddedDataHandler.CHANNEL).setMethodCallHandler(EmbeddedDataHandler(this))
         MethodChannel(messenger, ImageFileHandler.CHANNEL).setMethodCallHandler(ImageFileHandler(this))
         MethodChannel(messenger, GeocodingHandler.CHANNEL).setMethodCallHandler(GeocodingHandler(this))

android/app/src/main/kotlin/deckers/thibault/aves/channel/calls/DeviceHandler.kt

@@ -0,0 +1,27 @@
+package deckers.thibault.aves.channel.calls
+
+import android.os.Build
+import io.flutter.plugin.common.MethodCall
+import io.flutter.plugin.common.MethodChannel
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler
+
+class DeviceHandler : MethodCallHandler {
+    override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
+        when (call.method) {
+            "getPerformanceClass" -> result.success(getPerformanceClass())
+            else -> result.notImplemented()
+        }
+    }
+
+    private fun getPerformanceClass(): Int {
+        // TODO TLAD uncomment when the future is here
+//        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+//            return Build.VERSION.MEDIA_PERFORMANCE_CLASS
+//        }
+        return Build.VERSION.SDK_INT
+    }
+
+    companion object {
+        const val CHANNEL = "deckers.thibault/aves/device"
+    }
+}

lib/model/settings/settings.dart

@@ -1,11 +1,14 @@
 import 'dart:convert';
+import 'dart:math';
 
 import 'package:aves/model/actions/entry_actions.dart';
 import 'package:aves/model/actions/video_actions.dart';
 import 'package:aves/model/filters/filters.dart';
 import 'package:aves/model/settings/enums.dart';
+import 'package:aves/model/settings/map_style.dart';
 import 'package:aves/model/settings/screen_on.dart';
 import 'package:aves/model/source/enums.dart';
+import 'package:aves/services/device_service.dart';
 import 'package:aves/services/services.dart';
 import 'package:aves/utils/pedantic.dart';
 import 'package:collection/collection.dart';
@@ -128,6 +131,21 @@ class Settings extends ChangeNotifier {
     }
   }
 
+  Future<void> setContextualDefaults() async {
+    // performance
+    final performanceClass = await DeviceService.getPerformanceClass();
+    enableOverlayBlurEffect = performanceClass >= 30;
+
+    // availability
+    final hasPlayServices = await availability.hasPlayServices;
+    if (hasPlayServices) {
+      infoMapStyle = EntryMapStyle.googleNormal;
+    } else {
+      final styles = EntryMapStyle.values.whereNot((v) => v.isGoogleMaps).toList();
+      infoMapStyle = styles[Random().nextInt(styles.length)];
+    }
+  }
+
   // app
 
   bool get hasAcceptedTerms => getBoolOrDefault(hasAcceptedTermsKey, false);

lib/services/device_service.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter/widgets.dart';
+
+class DeviceService {
+  static const platform = MethodChannel('deckers.thibault/aves/device');
+
+  static Future<int> getPerformanceClass() async {
+    try {
+      await platform.invokeMethod('getPerformanceClass');
+      final result = await platform.invokeMethod('getPerformanceClass');
+      if (result != null) return result as int;
+    } on PlatformException catch (e) {
+      debugPrint('getPerformanceClass failed with code=${e.code}, exception=${e.message}, details=${e.details}');
+    }
+    return 0;
+  }
+}

lib/widgets/welcome_page.dart

@@ -27,6 +27,7 @@ class _WelcomePageState extends State<WelcomePage> {
   @override
   void initState() {
     super.initState();
+    settings.setContextualDefaults();
     _termsLoader = rootBundle.loadString('assets/terms.md');
   }