Improve support for import & export flows on Android via using system file picker & share sheet (#36901)

https://github.com/user-attachments/assets/57d0bc9d-f081-4d04-8cb6-422a83f1a1d3


https://github.com/user-attachments/assets/208f0676-a735-4055-a422-e6a2c3847220

---

- [x] Depends on https://github.com/ppy/osu-framework/pull/6717 to work
- Closes https://github.com/ppy/osu/issues/21076
- Closes https://github.com/ppy/osu/issues/22676
- Closes https://github.com/ppy/osu/issues/28666

---------

Co-authored-by: Dean Herbert <pe@ppy.sh>

osu.Android/AndroidManifest.xml

@@ -5,16 +5,13 @@
 				 android:supportsRtl="true"
 				 android:label="osu!"
 				 android:icon="@mipmap/ic_launcher"
-				 android:roundIcon="@mipmap/ic_launcher" />
-	<!-- for editor usage -->
-	<uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
-	<uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
-	<!--
-		READ_MEDIA_* permissions are available only on API 33 or greater. Devices with older android versions
-		don't understand the new permissions, so request the old READ_EXTERNAL_STORAGE permission to get storage access.
-		Since the old permission has no effect on >= API 33, don't request it.
-
-		Care needs to be taken to ensure runtime permission checks target the correct permission for the API level.
-	-->
-	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32"/>
+				 android:roundIcon="@mipmap/ic_launcher">
+        <provider android:name="androidx.core.content.FileProvider"
+                  android:authorities="sh.ppy.osulazer.fileprovider"
+                  android:grantUriPermissions="true"
+                  android:exported="false">
+            <meta-data android:name="android.support.FILE_PROVIDER_PATHS"
+                       android:resource="@xml/filepaths" />
+        </provider>
+    </application>
 </manifest>

osu.Android/Resources/xml/filepaths.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <!-- https://developer.android.com/reference/androidx/core/content/FileProvider -->
+    <external-files-path path="logs" name="logs" />
+    <external-files-path path="exports" name="exports" />
+</paths>

osu.Game/Overlays/Settings/Sections/General/QuickActionSettings.cs

@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Threading.Tasks;
-using osu.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
@@ -58,20 +57,15 @@ namespace osu.Game.Overlays.Settings.Sections.General
                 },
             });
 
-            bool supportsExport = RuntimeInfo.OS != RuntimeInfo.Platform.Android;
-
-            if (supportsExport)
+            Add(new SettingsButtonV2
             {
-                Add(new SettingsButtonV2
-                {
-                    Text = GeneralSettingsStrings.ExportLogs,
-                    BackgroundColour = colours.YellowDarker.Darken(0.5f),
-                    Keywords = new[] { @"bug", "report", "logs", "files" },
-                    Action = () => Task.Run(exportLogs),
-                });
+                Text = GeneralSettingsStrings.ExportLogs,
+                BackgroundColour = colours.YellowDarker.Darken(0.5f),
+                Keywords = new[] { @"bug", "report", "logs", "files" },
+                Action = () => Task.Run(exportLogs),
+            });
 
-                exportStorage = (storage as OsuStorage)?.GetExportStorage() ?? storage.GetStorageForDirectory(@"exports");
-            }
+            exportStorage = (storage as OsuStorage)?.GetExportStorage() ?? storage.GetStorageForDirectory(@"exports");
         }
 
         [Resolved]

osu.Game/Overlays/Settings/Sections/Maintenance/GeneralSettings.cs

@@ -47,5 +47,12 @@ namespace osu.Game.Overlays.Settings.Sections.Maintenance
                 }
             });
         }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            selector?.Dispose();
+        }
     }
 }

osu.Game/Screens/Edit/Editor.cs

@@ -1287,12 +1287,9 @@ namespace osu.Game.Screens.Edit
                 Hotkey = new Hotkey(GlobalAction.EditorDiscardUnsavedChanges)
             };
 
-            if (RuntimeInfo.OS != RuntimeInfo.Platform.Android)
-            {
-                var export = createExportMenu();
-                saveRelatedMenuItems.AddRange(export.Items);
-                yield return export;
-            }
+            var export = createExportMenu();
+            saveRelatedMenuItems.AddRange(export.Items);
+            yield return export;
 
             if (RuntimeInfo.IsDesktop)
             {