debug: added android env variables

android/.gitignore

@@ -1,5 +1,6 @@
 gradle-wrapper.jar
 /.gradle
+/build/
 /captures/
 /gradlew
 /gradlew.bat

android/app/src/main/java/deckers/thibault/aves/channelhandlers/AppAdapterHandler.java

@@ -54,6 +54,10 @@ public class AppAdapterHandler implements MethodChannel.MethodCallHandler {
                 result.success(getAppNames());
                 break;
             }
+            case "getEnv": {
+                result.success(getEnv());
+                break;
+            }
             case "edit": {
                 String title = call.argument("title");
                 Uri uri = Uri.parse(call.argument("uri"));
@@ -168,6 +172,10 @@ public class AppAdapterHandler implements MethodChannel.MethodCallHandler {
         }
     }
 
+    private Map<String, String> getEnv() {
+        return System.getenv();
+    }
+
     private void edit(String title, Uri uri, String mimeType) {
         Intent intent = new Intent(Intent.ACTION_EDIT);
         intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);

android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.0-rc01'
+        classpath 'com.android.tools.build:gradle:4.0.0'
     }
 }
 

lib/services/android_app_service.dart

@@ -29,6 +29,16 @@ class AndroidAppService {
     return Uint8List(0);
   }
 
+  static Future<Map> getEnv() async {
+    try {
+      final result = await platform.invokeMethod('getEnv');
+      return result as Map;
+    } on PlatformException catch (e) {
+      debugPrint('getEnv failed with code=${e.code}, exception=${e.message}, details=${e.details}}');
+    }
+    return {};
+  }
+
   static Future<void> edit(String uri, String mimeType) async {
     try {
       await platform.invokeMethod('edit', <String, dynamic>{

lib/widgets/debug_page.dart

@@ -1,9 +1,12 @@
+import 'dart:collection';
+
 import 'package:aves/model/collection_source.dart';
 import 'package:aves/model/favourite_repo.dart';
 import 'package:aves/model/image_entry.dart';
 import 'package:aves/model/image_metadata.dart';
 import 'package:aves/model/metadata_db.dart';
 import 'package:aves/model/settings.dart';
+import 'package:aves/services/android_app_service.dart';
 import 'package:aves/services/android_file_service.dart';
 import 'package:aves/utils/android_file_utils.dart';
 import 'package:aves/utils/file_utils.dart';
@@ -31,6 +34,7 @@ class DebugPageState extends State<DebugPage> {
   Future<List<AddressDetails>> _dbAddressLoader;
   Future<List<FavouriteRow>> _dbFavouritesLoader;
   Future<List<Tuple2<String, bool>>> _volumePermissionLoader;
+  Future<Map> _envLoader;
 
   List<ImageEntry> get entries => widget.source.entries;
 
@@ -38,14 +42,21 @@ class DebugPageState extends State<DebugPage> {
   void initState() {
     super.initState();
     _startDbReport();
-    _checkVolumePermissions();
+    _volumePermissionLoader = Future.wait<Tuple2<String, bool>>(
+      AndroidFileUtils.storageVolumes.map(
+        (volume) => AndroidFileService.hasGrantedPermissionToVolumeRoot(volume.path).then(
+          (value) => Tuple2(volume.path, value),
+        ),
+      ),
+    );
+    _envLoader = AndroidAppService.getEnv();
   }
 
   @override
   Widget build(BuildContext context) {
     return MediaQueryDataProvider(
       child: DefaultTabController(
-        length: 3,
+        length: 4,
         child: Scaffold(
           appBar: AppBar(
             title: const Text('Debug'),
@@ -54,6 +65,7 @@ class DebugPageState extends State<DebugPage> {
                 Tab(icon: Icon(OMIcons.whatshot)),
                 Tab(icon: Icon(OMIcons.settings)),
                 Tab(icon: Icon(OMIcons.sdStorage)),
+                Tab(text: 'Env'),
               ],
             ),
           ),
@@ -63,6 +75,7 @@ class DebugPageState extends State<DebugPage> {
                 _buildGeneralTabView(),
                 _buildSettingsTabView(),
                 _buildStorageTabView(),
+                _buildEnvTabView(),
               ],
             ),
           ),
@@ -266,6 +279,23 @@ class DebugPageState extends State<DebugPage> {
     );
   }
 
+  Widget _buildEnvTabView() {
+    return ListView(
+      padding: const EdgeInsets.all(16),
+      children: [
+        FutureBuilder(
+          future: _envLoader,
+          builder: (context, AsyncSnapshot<Map> snapshot) {
+            if (snapshot.hasError) return Text(snapshot.error.toString());
+            if (snapshot.connectionState != ConnectionState.done) return const SizedBox.shrink();
+            final data = SplayTreeMap.of(snapshot.data.map((k, v) => MapEntry(k.toString(), v?.toString() ?? 'null')));
+            return InfoRowGroup(data);
+          },
+        ),
+      ],
+    );
+  }
+
   void _startDbReport() {
     _dbFileSizeLoader = metadataDb.dbFileSize();
     _dbDateLoader = metadataDb.loadDates();
@@ -274,14 +304,4 @@ class DebugPageState extends State<DebugPage> {
     _dbFavouritesLoader = metadataDb.loadFavourites();
     setState(() {});
   }
-
-  void _checkVolumePermissions() {
-    _volumePermissionLoader = Future.wait<Tuple2<String, bool>>(
-      AndroidFileUtils.storageVolumes.map(
-        (volume) => AndroidFileService.hasGrantedPermissionToVolumeRoot(volume.path).then(
-          (value) => Tuple2(volume.path, value),
-        ),
-      ),
-    );
-  }
 }