Update Android SDK Target to v32 (Android 12); request MANAGE_EXTERNAL_STORAGE

Assets/Plugins/Android/AndroidManifest.xml

@@ -18,4 +18,5 @@
         <meta-data android:name="unityplayer.SkipPermissionsDialog" android:value="false" />
     </application>
     <uses-permission android:name="android.permission.RECORD_AUDIO" tools:node="remove"/>
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
 </manifest>

Assets/Scenes/Loading.unity

@@ -206,6 +206,27 @@ MonoBehaviour:
   m_VrCamera: {fileID: 1815664868}
   m_MaximumLoadingTime: 60
   m_SceneLoadRatio: 0.75
+  m_LoadingText:
+    m_TableReference:
+      m_TableCollectionName: GUID:c84355079ab3f3e4f8f3812258805f86
+    m_TableEntryReference:
+      m_KeyId: 287897575133184
+      m_Key: 
+    m_FallbackState: 0
+    m_WaitForCompletion: 0
+    m_LocalVariables: []
+  m_RequestAndroidFolderPermissions:
+    m_TableReference:
+      m_TableCollectionName: GUID:c84355079ab3f3e4f8f3812258805f86
+    m_TableEntryReference:
+      m_KeyId: 170004956477833216
+      m_Key: 
+    m_FallbackState: 0
+    m_WaitForCompletion: 0
+    m_LocalVariables: []
+  references:
+    version: 2
+    RefIds: []
 --- !u!4 &326031496
 Transform:
   m_ObjectHideFlags: 0

Assets/Scripts/LoadingScene.cs

@@ -15,6 +15,11 @@
 using System.Collections;
 using UnityEngine;
 using UnityEngine.SceneManagement;
+using UnityEngine.Localization;
+
+#if UNITY_ANDROID
+using UnityEngine.Android;
+#endif
 
 namespace TiltBrush
 {
@@ -27,11 +32,17 @@ public class LoadingScene : MonoBehaviour
         // Amount of the progress bar taken up by the scene load
         [SerializeField] private float m_SceneLoadRatio;
 
+        [SerializeField] private LocalizedString m_LoadingText;
+        [SerializeField] private LocalizedString m_RequestAndroidFolderPermissions;
+
         // We have a slightly faked loading position that will always increase
         // The fake loading rate is the minimum amount it will increase in one second, the reciprocal of
         // m_MaximumLoadingTime
         private float m_FakeLoadingRate;
         private float m_CurrentLoadingPosition;
+#if UNITY_ANDROID
+        private bool m_FolderPermissionOverride = false;
+#endif
 
         private IEnumerator Start()
         {
@@ -58,6 +69,23 @@ private IEnumerator Start()
 
             DontDestroyOnLoad(gameObject);
 
+#if UNITY_ANDROID
+            if (Application.platform == RuntimePlatform.Android)
+            {
+                if (!UserHasManageExternalStoragePermission())
+                {
+                    m_Overlay.MessageStatus = m_RequestAndroidFolderPermissions.GetLocalizedString();
+                    AskForManageStoragePermission();
+                    while (!UserHasManageExternalStoragePermission())
+                    {
+                        yield return new WaitForEndOfFrame();
+                    }
+
+                    m_Overlay.MessageStatus = m_LoadingText.GetLocalizedString();
+                }
+            }
+#endif
+
             AsyncOperation asyncLoad = SceneManager.LoadSceneAsync("Main");
             while (!asyncLoad.isDone)
             {
@@ -91,5 +119,45 @@ private void UpdateProgress(float start, float scale, float progress)
             m_CurrentLoadingPosition = Mathf.Max(m_CurrentLoadingPosition, position);
             m_Overlay.Progress = m_CurrentLoadingPosition;
         }
+
+#if UNITY_ANDROID
+        private bool UserHasManageExternalStoragePermission()
+        {
+            bool isExternalStorageManager = false;
+            try
+            {
+                AndroidJavaClass environmentClass = new AndroidJavaClass("android.os.Environment");
+                isExternalStorageManager = environmentClass.CallStatic<bool>("isExternalStorageManager");
+            }
+            catch (AndroidJavaException e)
+            {
+                Debug.LogError("Java Exception caught and ignored: " + e.Message);
+                Debug.LogError("Assuming this means this device doesn't support isExternalStorageManager.");
+            }
+            return m_FolderPermissionOverride || isExternalStorageManager;
+        }
+
+        private void AskForManageStoragePermission()
+        {
+            try
+            {
+                using var unityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
+                using AndroidJavaObject currentActivityObject = unityClass.GetStatic<AndroidJavaObject>("currentActivity");
+                string packageName = currentActivityObject.Call<string>("getPackageName");
+                using var uriClass = new AndroidJavaClass("android.net.Uri");
+                using AndroidJavaObject uriObject = uriClass.CallStatic<AndroidJavaObject>("fromParts", "package", packageName, null);
+                using var intentObject = new AndroidJavaObject("android.content.Intent", "android.settings.MANAGE_APP_ALL_FILES_ACCESS_PERMISSION", uriObject);
+                intentObject.Call<AndroidJavaObject>("addCategory", "android.intent.category.DEFAULT");
+                currentActivityObject.Call("startActivity", intentObject);
+            }
+            catch (AndroidJavaException e)
+            {
+                // TODO: only skip this if it's of type act=android.settings.MANAGE_APP_ALL_FILES_ACCESS_PERMISSION
+                m_FolderPermissionOverride = true;
+                Debug.LogError("Java Exception caught and ignored: " + e.Message);
+                Debug.LogError("Assuming this means we don't need android.settings.MANAGE_APP_ALL_FILES_ACCESS_PERMISSION (e.g., Android SDK < 30)");
+            }
+        }
+#endif
     }
 } // namespace TiltBrush

Assets/Settings/Localization/Strings/Strings Shared Data.asset

@@ -540,7 +540,7 @@ MonoBehaviour:
     m_Metadata:
       m_Items: []
   - m_Id: 287897575133184
-    m_Key: LOADING_SCENE_OVERLAY_MESSAGE
+    m_Key: LOADING_SCENE_OVERLAY_LOADING
     m_Metadata:
       m_Items: []
   - m_Id: 7892854560759808
@@ -3271,6 +3271,10 @@ MonoBehaviour:
     m_Key: POPUP_RECORD_UNSUPPORTED_TEXT
     m_Metadata:
       m_Items: []
+  - m_Id: 170004956477833216
+    m_Key: LOADING_SCENE_OVERLAY_ANDROIDPERMISSIONS
+    m_Metadata:
+      m_Items: []
   m_Metadata:
     m_Items: []
   m_KeyGenerator:

Assets/Settings/Localization/Strings/Strings_en.asset

@@ -3101,7 +3101,7 @@ MonoBehaviour:
     m_Metadata:
       m_Items: []
   - m_Id: 106429517453328384
-    m_Localized: "Background Images"
+    m_Localized: Background Images
     m_Metadata:
       m_Items: []
   - m_Id: 95221400803737600
@@ -3457,11 +3457,15 @@ MonoBehaviour:
     m_Metadata:
       m_Items: []
   - m_Id: 151490030713540608
-    m_Localized: 'You can create a video of your sketch by opening it on a Mac or PC.
-      Search for "Exporting video" on our docs website: https://docs.openbrush.app
+    m_Localized: 'You can create a video of your sketch by opening it on a Mac or
+      PC. Search for "Exporting video" on our docs website: https://docs.openbrush.app
       for a step by step guide.'
     m_Metadata:
       m_Items: []
+  - m_Id: 170004956477833216
+    m_Localized: Please give Open Brush file access to save your creations!
+    m_Metadata:
+      m_Items: []
   references:
     version: 2
     RefIds: []

ProjectSettings/ProjectSettings.asset

@@ -175,8 +175,8 @@ PlayerSettings:
     tvOS: 0
   overrideDefaultApplicationIdentifier: 1
   AndroidBundleVersionCode: 1
-  AndroidMinSdkVersion: 27
-  AndroidTargetSdkVersion: 29
+  AndroidMinSdkVersion: 29
+  AndroidTargetSdkVersion: 32
   AndroidPreferredInstallLocation: 0
   aotOptions: 
   stripEngineCode: 1