Reduce SDK warnings from 11724 to 24

MatrixSDK.xcodeproj/project.pbxproj

@@ -309,7 +309,7 @@
 		325AF3E324897D9400EF937D /* MXSecretRecoveryResult.m in Sources */ = {isa = PBXBuildFile; fileRef = 325AF3E024897D9400EF937D /* MXSecretRecoveryResult.m */; };
 		325AF3E424897D9400EF937D /* MXSecretRecoveryResult.m in Sources */ = {isa = PBXBuildFile; fileRef = 325AF3E024897D9400EF937D /* MXSecretRecoveryResult.m */; };
 		325D1C261DFECE0D0070B8BF /* MXCrypto_Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 325D1C251DFECE0D0070B8BF /* MXCrypto_Private.h */; };
-		326056851C76FDF2009D44AD /* MXRoomEventTimeline.h in Headers */ = {isa = PBXBuildFile; fileRef = 326056831C76FDF1009D44AD /* MXRoomEventTimeline.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		326056851C76FDF2009D44AD /* MXRoomEventTimeline.h in Headers */ = {isa = PBXBuildFile; fileRef = 326056831C76FDF1009D44AD /* MXRoomEventTimeline.h */; };
 		326056861C76FDF2009D44AD /* MXRoomEventTimeline.m in Sources */ = {isa = PBXBuildFile; fileRef = 326056841C76FDF1009D44AD /* MXRoomEventTimeline.m */; };
 		32618E7120ED2DF500E1D2EA /* MXFilterJSONModel.h in Headers */ = {isa = PBXBuildFile; fileRef = 32618E6F20ED2DF500E1D2EA /* MXFilterJSONModel.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		32618E7220ED2DF500E1D2EA /* MXFilterJSONModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 32618E7020ED2DF500E1D2EA /* MXFilterJSONModel.m */; };
@@ -1200,7 +1200,7 @@
 		B14EF3402397E90400758AF0 /* MXKeyBackupVersionTrust.h in Headers */ = {isa = PBXBuildFile; fileRef = 328BCB3121947BE200A976D3 /* MXKeyBackupVersionTrust.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		B14EF3412397E90400758AF0 /* MXOutgoingRoomKeyRequestManager.h in Headers */ = {isa = PBXBuildFile; fileRef = 32FA10BF1FA1C9EE00E54233 /* MXOutgoingRoomKeyRequestManager.h */; };
 		B14EF3422397E90400758AF0 /* MXPeekingRoomSummary.h in Headers */ = {isa = PBXBuildFile; fileRef = 3293C6FE214BBA4F009B3DDB /* MXPeekingRoomSummary.h */; };
-		B14EF3432397E90400758AF0 /* MXRoomEventTimeline.h in Headers */ = {isa = PBXBuildFile; fileRef = 326056831C76FDF1009D44AD /* MXRoomEventTimeline.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		B14EF3432397E90400758AF0 /* MXRoomEventTimeline.h in Headers */ = {isa = PBXBuildFile; fileRef = 326056831C76FDF1009D44AD /* MXRoomEventTimeline.h */; };
 		B14EF3442397E90400758AF0 /* NSArray+MatrixSDK.h in Headers */ = {isa = PBXBuildFile; fileRef = 321CFDEC225264C4004D31DF /* NSArray+MatrixSDK.h */; };
 		B14EF3452397E90400758AF0 /* MXReplyEventParser.h in Headers */ = {isa = PBXBuildFile; fileRef = B11BD44622CB56790064D8B0 /* MXReplyEventParser.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		B14EF3462397E90400758AF0 /* MXIncomingSASTransaction.h in Headers */ = {isa = PBXBuildFile; fileRef = 321CFDE822525DED004D31DF /* MXIncomingSASTransaction.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -1542,8 +1542,8 @@
 		EC383BC02542F1E4002FBBE6 /* MXBackgroundSyncServiceTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EC383BBD2542F141002FBBE6 /* MXBackgroundSyncServiceTests.swift */; };
 		EC51019D26C41981007D6D88 /* MXSyncResponseUnitTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EC51019C26C41981007D6D88 /* MXSyncResponseUnitTests.swift */; };
 		EC51019E26C41981007D6D88 /* MXSyncResponseUnitTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EC51019C26C41981007D6D88 /* MXSyncResponseUnitTests.swift */; };
-		EC5C560A2798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h in Headers */ = {isa = PBXBuildFile; fileRef = EC5C56082798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h */; settings = {ATTRIBUTES = (Public, ); }; };
-		EC5C560B2798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h in Headers */ = {isa = PBXBuildFile; fileRef = EC5C56082798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		EC5C560A2798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h in Headers */ = {isa = PBXBuildFile; fileRef = EC5C56082798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h */; };
+		EC5C560B2798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h in Headers */ = {isa = PBXBuildFile; fileRef = EC5C56082798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.h */; };
 		EC5C560C2798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.m in Sources */ = {isa = PBXBuildFile; fileRef = EC5C56092798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.m */; };
 		EC5C560D2798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.m in Sources */ = {isa = PBXBuildFile; fileRef = EC5C56092798CEA00014CBE9 /* NSDictionary+MutableDeepCopy.m */; };
 		EC5C562827A36EDB0014CBE9 /* MXInReplyTo.h in Headers */ = {isa = PBXBuildFile; fileRef = EC5C562627A36EDB0014CBE9 /* MXInReplyTo.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -1779,6 +1779,8 @@
 		ECF29BDF264195320053E6D6 /* MXAssertedIdentityModel.h in Headers */ = {isa = PBXBuildFile; fileRef = ECF29BDD264195320053E6D6 /* MXAssertedIdentityModel.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		ECF29BE52641953C0053E6D6 /* MXAssertedIdentityModel.m in Sources */ = {isa = PBXBuildFile; fileRef = ECF29BE42641953C0053E6D6 /* MXAssertedIdentityModel.m */; };
 		ECF29BE62641953C0053E6D6 /* MXAssertedIdentityModel.m in Sources */ = {isa = PBXBuildFile; fileRef = ECF29BE42641953C0053E6D6 /* MXAssertedIdentityModel.m */; };
+		ED1AE92A2881AC7500D3432A /* MXWarnings.h in Headers */ = {isa = PBXBuildFile; fileRef = ED1AE9292881AC7100D3432A /* MXWarnings.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		ED1AE92B2881AC7500D3432A /* MXWarnings.h in Headers */ = {isa = PBXBuildFile; fileRef = ED1AE9292881AC7100D3432A /* MXWarnings.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		ED21F68528104DA2002FF83D /* MXMegolmEncryptionTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = ED21F68428104DA2002FF83D /* MXMegolmEncryptionTests.swift */; };
 		ED21F68628104DA2002FF83D /* MXMegolmEncryptionTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = ED21F68428104DA2002FF83D /* MXMegolmEncryptionTests.swift */; };
 		ED2DD114286C450600F06731 /* MXCryptoMachine.swift in Sources */ = {isa = PBXBuildFile; fileRef = ED2DD111286C450600F06731 /* MXCryptoMachine.swift */; };
@@ -2816,6 +2818,7 @@
 		ECF29BD2264194BB0053E6D6 /* MXCallAssertedIdentityEventContent.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MXCallAssertedIdentityEventContent.m; sourceTree = "<group>"; };
 		ECF29BDD264195320053E6D6 /* MXAssertedIdentityModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MXAssertedIdentityModel.h; sourceTree = "<group>"; };
 		ECF29BE42641953C0053E6D6 /* MXAssertedIdentityModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MXAssertedIdentityModel.m; sourceTree = "<group>"; };
+		ED1AE9292881AC7100D3432A /* MXWarnings.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MXWarnings.h; sourceTree = "<group>"; };
 		ED21F68428104DA2002FF83D /* MXMegolmEncryptionTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MXMegolmEncryptionTests.swift; sourceTree = "<group>"; };
 		ED2DD111286C450600F06731 /* MXCryptoMachine.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MXCryptoMachine.swift; sourceTree = "<group>"; };
 		ED2DD112286C450600F06731 /* MXEventDecryptionResult+DecryptedEvent.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "MXEventDecryptionResult+DecryptedEvent.swift"; sourceTree = "<group>"; };
@@ -3108,6 +3111,7 @@
 				B17B2BDA2369FC81009D6650 /* MXUIKitBackgroundTask.h */,
 				B17B2BDB2369FC81009D6650 /* MXUIKitBackgroundTask.m */,
 				EDF1B68F2876CD2C00BBBCEE /* MXTaskQueue.swift */,
+				ED1AE9292881AC7100D3432A /* MXWarnings.h */,
 			);
 			path = Utils;
 			sourceTree = "<group>";
@@ -5156,6 +5160,7 @@
 				91F0685D2767CA420079F8FA /* MXTaskProfileName.h in Headers */,
 				B1798D0624091A0100308A8F /* MXBase64Tools.h in Headers */,
 				32133015228AF4EF0070BA9B /* MXRealmAggregationsStore.h in Headers */,
+				ED1AE92A2881AC7500D3432A /* MXWarnings.h in Headers */,
 				32CE6FB81A409B1F00317F1E /* MXFileStoreMetaData.h in Headers */,
 				B19A30C82404268600FB6F35 /* MXQRCodeDataBuilder.h in Headers */,
 				32A31BC820D401FC005916C7 /* MXRoomFilter.h in Headers */,
@@ -5503,6 +5508,7 @@
 				323F8774255460B5009E9E67 /* MXProfiler.h in Headers */,
 				EC8A53B425B1BC77004E0802 /* MXUserModel.h in Headers */,
 				32CEEF4423AD2A6C0039BA98 /* MXCrossSigningKey.h in Headers */,
+				ED1AE92B2881AC7500D3432A /* MXWarnings.h in Headers */,
 				B14EF29E2397E90400758AF0 /* MXMediaScanStoreDelegate.h in Headers */,
 				B14EF29F2397E90400758AF0 /* MXAllowedCertificates.h in Headers */,
 				B14EF2A02397E90400758AF0 /* MXRealmAggregationsMapper.h in Headers */,

MatrixSDK/Contrib/Swift/MXRestClient.swift

@@ -699,27 +699,6 @@ public extension MXRestClient {
         return __historyVisibility(ofRoom: roomId, success: currySuccess(transform: MXRoomHistoryVisibility.init, completion), failure: curryFailure(completion))
     }
 
-
-
-
-
-
-
-    /**
-     Set the join rule of a room.
-
-     - parameters:
-        - roomId: the id of the room.
-        - joinRule: the rule to set.
-        - completion: A block object called when the operation completes.
-        - response: Indicates whether the operation was successful.
-
-     - returns: a `MXHTTPOperation` instance.
-     */
-    @nonobjc @discardableResult func setJoinRule(ofRoom roomId: String, joinRule: MXRoomJoinRule, completion: @escaping (_ response: MXResponse<Void>) -> Void) -> MXHTTPOperation {
-        return __setRoomJoinRule(roomId, joinRule: joinRule.identifier, success: currySuccess(completion), failure: curryFailure(completion))
-    }
-
     /**
      Set the join rule of a room.
 
@@ -736,20 +715,6 @@ public extension MXRestClient {
         return __setRoomJoinRule(joinRule.identifier, forRoomWithId: roomId, allowedParentIds: allowedParentIds, success: currySuccess(completion), failure: curryFailure(completion))
     }
 
-    /**
-     Get the join rule of a room.
-
-     - parameters:
-        - roomId: the id of the room.
-        - completion: A block object called when the operation completes.
-        - response: Provides the room join rule on success.
-
-     - returns: a `MXHTTPOperation` instance.
-     */
-    @nonobjc @discardableResult func joinRule(ofRoom roomId: String, completion: @escaping (_ response: MXResponse<MXRoomJoinRule>) -> Void) -> MXHTTPOperation {
-        return __joinRule(ofRoom: roomId, success: currySuccess(transform: MXRoomJoinRule.init, completion), failure: curryFailure(completion))
-    }
-
     /**
      Get the enhanced join rule of a room.
 

MatrixSDK/Contrib/Swift/MXSession.swift

@@ -368,9 +368,9 @@ public extension MXSession {
 
         if let types = types {
             let typeStrings = types.map({ return $0.identifier })
-            return __listen(toEventsOfTypes: typeStrings, onEvent: legacyBlock)
+            return __listen(toEventsOfTypes: typeStrings, onEvent: legacyBlock) as Any
         } else {
-            return __listen(toEvents: legacyBlock)
+            return __listen(toEvents: legacyBlock) as Any
         }
     }
 

MatrixSDK/Data/MXRoom.h

@@ -47,6 +47,8 @@
 @class MXSession;
 @class MXUsersTrustLevelSummary;
 
+MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 #pragma mark - Notifications
 
 /**
@@ -1343,3 +1345,5 @@ Remove a tag applied on an event of the room
 - (void)membersTrustLevelSummaryWithForceDownload:(BOOL)forceDownload success:(void (^)(MXUsersTrustLevelSummary *usersTrustLevelSummary))success failure:(void (^)(NSError *error))failure;
 
 @end
+
+MX_ASSUME_MISSING_NULLABILITY_END

MatrixSDK/Data/MXRoom.m

@@ -46,6 +46,8 @@
 NSInteger const kMXRoomAlreadyJoinedErrorCode = 9001;
 NSInteger const kMXRoomInvalidInviteSenderErrorCode = 9002;
 
+#warning File has not been annotated with nullability, see MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 @interface MXRoom ()
 {
     /**

MatrixSDK/Data/MXRoomAccountData.h

@@ -22,6 +22,8 @@
 #import "MXEvent.h"
 #import "MXVirtualRoomInfo.h"
 
+MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 /**
  `MXRoomAccountData` represents private data that the user has defined for a room.
  */
@@ -80,3 +82,5 @@
 - (NSArray<NSString *> *)getTaggedEventsIds:(NSString*)tag;
 
 @end
+
+MX_ASSUME_MISSING_NULLABILITY_END

MatrixSDK/Data/MXRoomAccountData.m

@@ -19,6 +19,8 @@
 #import "MXEvent.h"
 #import "MXRoomCreateContent.h"
 
+#warning File has not been annotated with nullability, see MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 @interface MXRoomAccountData ()
 
 @property (nonatomic, readwrite) MXVirtualRoomInfo *virtualRoomInfo;

MatrixSDK/JSONModels/MXEvent.h

@@ -19,11 +19,14 @@
 
 #import "MXEventUnsignedData.h"
 #import "MXEventContentRelatesTo.h"
+#import "MXWarnings.h"
 
 @class MXEventDecryptionResult;
 @class MXEncryptedContentFile;
 @class MXEventContentLocation;
 
+MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 /**
  Types of Matrix events
 
@@ -732,3 +735,5 @@ extern NSString *const kMXEventIdentifierKey;
 - (NSArray<MXEncryptedContentFile*>*)getEncryptedContentFiles;
 
 @end
+
+MX_ASSUME_MISSING_NULLABILITY_END

MatrixSDK/JSONModels/MXEvent.m

@@ -24,6 +24,8 @@
 #import "MXEventReferenceChunk.h"
 #import "MXEventContentLocation.h"
 
+#warning File has not been annotated with nullability, see MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 #pragma mark - Constants definitions
 
 NSString *const kMXEventTypeStringRoomName              = @"m.room.name";

MatrixSDK/JSONModels/MXJSONModels.h

@@ -26,6 +26,9 @@
 #import "MXWellKnown.h"
 #import "MXCrossSigningInfo.h"
 #import "MXEnumConstants.h"
+#import "MXWarnings.h"
+
+MX_ASSUME_MISSING_NULLABILITY_BEGIN
 
 @class MXEvent, MXDeviceInfo, MXKey, MXUser;
 
@@ -1510,3 +1513,5 @@ FOUNDATION_EXPORT NSString *const kMXPushRuleScopeStringDevice;
     @property (nonatomic, nullable) MXRoomVersionCapabilities *roomVersions;
 
 @end
+
+MX_ASSUME_MISSING_NULLABILITY_END

MatrixSDK/JSONModels/MXJSONModels.m

@@ -32,6 +32,8 @@
 
 #pragma mark - Implementation
 
+#warning File has not been annotated with nullability, see MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 @implementation MXPublicRoom
 
 + (id)modelFromJSON:(NSDictionary *)JSONDictionary

MatrixSDK/MXRestClient.h

@@ -1046,7 +1046,7 @@ NS_REFINED_FOR_SWIFT;
 - (MXHTTPOperation*)setRoomJoinRule:(NSString*)roomId
                            joinRule:(MXRoomJoinRule)joinRule
                             success:(void (^)(void))success
-                            failure:(void (^)(NSError *error))failure NS_REFINED_FOR_SWIFT __deprecated_msg("Use [setRoomJoinRule:forRoomWithId:allowedParentIds:success:failure:] instead");
+                            failure:(void (^)(NSError *error))failure __deprecated_msg("Use [setRoomJoinRule:forRoomWithId:allowedParentIds:success:failure:] instead");
 
 /**
  Set the join rule of a room.
@@ -1078,7 +1078,7 @@ NS_REFINED_FOR_SWIFT;
  */
 - (MXHTTPOperation*)joinRuleOfRoom:(NSString*)roomId
                            success:(void (^)(MXRoomJoinRule joinRule))success
-                           failure:(void (^)(NSError *error))failure NS_REFINED_FOR_SWIFT __deprecated_msg("Use [joinRuleOfRoomWithId:success:failure:] instead");
+                           failure:(void (^)(NSError *error))failure __deprecated_msg("Use [joinRuleOfRoomWithId:success:failure:] instead");
 
 /**
  Get the enhanced join rule of a room.

MatrixSDK/MatrixSDK.h

@@ -26,6 +26,7 @@ FOUNDATION_EXPORT NSString *MatrixSDKVersion;
 #import "MXRestClient.h"
 #import "MXSession.h"
 #import "MXError.h"
+#import "MXWarnings.h"
 
 #import "MXStore.h"
 #import "MXNoStore.h"

MatrixSDK/Space/MXSpaceFileStore.swift

@@ -78,18 +78,12 @@ class MXSpaceFileStore: MXSpaceStore {
 
         let fileUrl = storeUrl.appendingPathComponent(Constants.fileStoreGraphFile)
 
-        do {
-            guard let graph = try? NSKeyedUnarchiver.unarchiveObject(withFile: fileUrl.path) as? MXSpaceGraphData else {
-                MXLog.warning("[MXSpaceStore] loadSpaceGraphData: found no archived graph")
-                return nil
-            }
-
-            return graph
-        } catch {
-            MXLog.warning("[MXSpaceStore] loadSpaceGraphData: failed with error: \(error)")
+        guard let graph = NSKeyedUnarchiver.unarchiveObject(withFile: fileUrl.path) as? MXSpaceGraphData else {
+            MXLog.warning("[MXSpaceStore] loadSpaceGraphData: found no archived graph")
+            return nil
         }
 
-        return nil
+        return graph
     }
 
     // MARK - Private

MatrixSDK/Utils/MXBugReportRestClient.h

@@ -15,6 +15,9 @@
  */
 
 #import <Foundation/Foundation.h>
+#import "MXWarnings.h"
+
+MX_ASSUME_MISSING_NULLABILITY_BEGIN
 
 /**
  Call states.
@@ -123,3 +126,5 @@ typedef enum : NSUInteger
 @property (nonatomic) NSDictionary<NSString*, NSString*> *others;
 
 @end
+
+MX_ASSUME_MISSING_NULLABILITY_END

MatrixSDK/Utils/MXBugReportRestClient.m

@@ -37,6 +37,8 @@
 #import <MatrixKit/MatrixKit.h>
 #endif
 
+#warning File has not been annotated with nullability, see MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 @interface MXBugReportRestClient ()
 {
     // The bug report API server URL.

MatrixSDK/Utils/MXTools.h

@@ -31,6 +31,8 @@
 #import "MXCallSessionDescription.h"
 #import "MXCallRejectReplacementEventContent.h"
 
+MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 @interface MXTools : NSObject
 
 + (MXEventTypeString)eventTypeString:(MXEventType)eventType;
@@ -354,3 +356,5 @@ FOUNDATION_EXPORT NSString *const kMXToolsRegexStringForMatrixGroupIdentifier;
 + (BOOL)isRunningUnitTests;
 
 @end
+
+MX_ASSUME_MISSING_NULLABILITY_END

MatrixSDK/Utils/MXTools.m

@@ -27,6 +27,8 @@
 #import <os/proc.h>
 #endif
 
+#warning File has not been annotated with nullability, see MX_ASSUME_MISSING_NULLABILITY_BEGIN
+
 #pragma mark - Constant definition
 NSString *const kMXToolsRegexStringForEmailAddress              = @"[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,}";
 

MatrixSDK/Utils/MXWarnings.h

@@ -0,0 +1,39 @@
+// 
+// Copyright 2022 The Matrix.org Foundation C.I.C
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#ifndef MXWarnings_h
+#define MXWarnings_h
+
+/**
+ Mark the beginning of code chunk that will ignore nullability warnings
+ (counterpart to `NS_ASSUME_NONNULL_BEGIN`)
+ */
+#ifndef MX_ASSUME_MISSING_NULLABILITY_BEGIN
+#define MX_ASSUME_MISSING_NULLABILITY_BEGIN \
+_Pragma("clang diagnostic push")\
+_Pragma("clang diagnostic ignored \"-Wnullability-completeness\"")
+#endif
+
+/**
+ Mark the end of code chunk that will ignore nullability warnings
+ (counterpart to `NS_ASSUME_NONNULL_END`)
+ */
+#ifndef MX_ASSUME_MISSING_NULLABILITY_END
+#define MX_ASSUME_MISSING_NULLABILITY_END \
+_Pragma("clang diagnostic pop")
+#endif
+
+#endif /* MXWarnings_h */

MatrixSDK/VoIP/MXCall.m

@@ -1635,6 +1635,9 @@ - (void)terminateWithReason:(MXEvent *)event
                     case MXCallHangupReasonInviteTimeout:
                         _endReason = MXCallEndReasonMissed;
                         break;
+                    case MXCallHangupReasonUserBusy:
+                        _endReason = MXCallEndReasonBusy;
+                        break;
                 }
                 break;
             }

MatrixSDKTests/MXAggregatedReactionTests.m

@@ -649,12 +649,12 @@ - (void)checkGappySyncScenarionReactions:(MXAggregatedReactions*)reactions
         XCTAssertEqual(reactionCount.count, 1);
         if ([reactionCount.reaction isEqualToString: @"👍"])
         {
-            #warning Not implemented yet - https://github.com/vector-im/riot-ios/issues/2452
+            // TODO: Not implemented yet - https://github.com/vector-im/riot-ios/issues/2452
             // XCTAssertTrue(reactionCount.myUserHasReacted, @"We must know reaction made by our user");
         }
         else if ([reactionCount.reaction isEqualToString: @"🙂"])
         {
-            #warning Not implemented yet - https://github.com/vector-im/riot-ios/issues/2452
+            // TODO: Not implemented yet - https://github.com/vector-im/riot-ios/issues/2452
             // XCTAssertFalse(reactionCount.myUserHasReacted);
         }
         else