Bugfix

Author: qinhui

iOS/APIExample-OC/APIExample-OC/Examples/Advanced/LocalCompositeGraph/LocalCompositeGraph.m

@@ -45,13 +45,15 @@ @interface LocalCompositeGraph ()<AgoraRtcEngineDelegate>
 @property (nonatomic, strong)AgoraScreenCaptureParameters2 *screenParams;
 @property (nonatomic, strong)RPSystemBroadcastPickerView *systemBroadcastPicker;
 @property (nonatomic, strong)AgoraRtcChannelMediaOptions *option;
+@property (weak, nonatomic) IBOutlet UISwitch *virtualBackgroundSwitch;
 
 @end
 
 @implementation LocalCompositeGraph
 
 - (void)viewDidLoad {
     [super viewDidLoad];
+    [self.virtualBackgroundSwitch setOn:NO];
     [self.localView setPlaceholder:@"Local Host".localized];
     [self.container layoutStream:@[self.localView]];
 
@@ -128,6 +130,19 @@ - (VideoView *)localView {
     return _localView;
 }
 
+- (IBAction)virtualBackgroundAction:(UISwitch *)sender {
+    [self changeVirtualBackground];
+}
+
+- (void)changeVirtualBackground {
+    AgoraVirtualBackgroundSource *source = [[AgoraVirtualBackgroundSource alloc] init];
+    source.backgroundSourceType = AgoraVirtualBackgroundColor;
+    source.color = 0xFFFFFF;
+    source.backgroundSourceType = self.virtualBackgroundSwitch.isOn ? source.backgroundSourceType : AgoraVirtualBackgroundNone;
+    [self.agoraKit enableVirtualBackground:self.virtualBackgroundSwitch.isOn backData:source segData:[AgoraSegmentationProperty new]];
+}
+
+
 - (AgoraScreenCaptureParameters2 *)screenParams {
     if (_screenParams == nil) {
         _screenParams = [[AgoraScreenCaptureParameters2 alloc] init];

iOS/APIExample-OC/APIExample-OC/Examples/Advanced/LocalCompositeGraph/LocalCompositeGraph.storyboard

@@ -59,18 +59,27 @@
                                 <rect key="frame" x="0.0" y="59" width="393" height="759"/>
                                 <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                             </view>
+                            <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="vyQ-ls-der">
+                                <rect key="frame" x="172" y="423" width="51" height="31"/>
+                                <connections>
+                                    <action selector="virtualBackgroundAction:" destination="33B-rf-jso" eventType="valueChanged" id="ep8-WW-XPI"/>
+                                </connections>
+                            </switch>
                         </subviews>
                         <viewLayoutGuide key="safeArea" id="3wQ-o6-eNJ"/>
                         <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                         <constraints>
+                            <constraint firstItem="vyQ-ls-der" firstAttribute="centerX" secondItem="3wQ-o6-eNJ" secondAttribute="centerX" id="13s-SP-fQe"/>
                             <constraint firstItem="V7v-fP-Wu3" firstAttribute="top" secondItem="3wQ-o6-eNJ" secondAttribute="top" id="Ffo-li-75j"/>
                             <constraint firstItem="3wQ-o6-eNJ" firstAttribute="trailing" secondItem="V7v-fP-Wu3" secondAttribute="trailing" id="IGi-o6-DhD"/>
                             <constraint firstItem="V7v-fP-Wu3" firstAttribute="leading" secondItem="3wQ-o6-eNJ" secondAttribute="leading" id="Ne4-hM-RXb"/>
+                            <constraint firstItem="vyQ-ls-der" firstAttribute="centerY" secondItem="3wQ-o6-eNJ" secondAttribute="centerY" id="k3B-wJ-s6t"/>
                             <constraint firstItem="3wQ-o6-eNJ" firstAttribute="bottom" secondItem="V7v-fP-Wu3" secondAttribute="bottom" id="oFs-Rq-l0y"/>
                         </constraints>
                     </view>
                     <connections>
                         <outlet property="container" destination="V7v-fP-Wu3" id="jZh-u3-jyT"/>
+                        <outlet property="virtualBackgroundSwitch" destination="vyQ-ls-der" id="S0j-4Q-fxP"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="Lws-GF-lGx" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>

iOS/APIExample-SwiftUI/APIExample-SwiftUI/Examples/Advanced/LocalVideoComposition/LocalCompositeGraph.swift

@@ -35,7 +35,8 @@ struct LocalCompositeGraphEntry: View {
 struct LocalCompositeGraph: View {
     @State var configs: [String: Any] = [:]
     @ObservedObject private var agoraKit = LocalCompositeGraphRTC()
-
+    @State private var toggleState: Bool = false
+    
     var localView = VideoView()
 
     var body: some View {
@@ -44,6 +45,14 @@ struct LocalCompositeGraph: View {
                 localView
             }
             Spacer()
+            HStack {
+                Toggle("", isOn: $toggleState)
+                    .onChange(of: toggleState) { newValue in
+                        agoraKit.updateToggleState(isOn: newValue)
+                    }
+                Spacer()
+            }
+            .padding()
         }.onAppear(perform: {
             agoraKit.setupRTC(configs: configs,
                               localView: localView.videoView)

iOS/APIExample-SwiftUI/APIExample-SwiftUI/Examples/Advanced/LocalVideoComposition/LocalCompositeGraphRTC.swift

@@ -176,6 +176,16 @@ class LocalCompositeGraphRTC: NSObject, ObservableObject {
         agoraKit.startPreview()
     }
 
+    func updateToggleState(isOn: Bool) {
+        let source = AgoraVirtualBackgroundSource()
+        source.backgroundSourceType = .color
+        source.color = 0xFFFFFF
+        source.backgroundSourceType = isOn ? source.backgroundSourceType : .none
+        let result = agoraKit.enableVirtualBackground(isOn, backData: source, segData: AgoraSegmentationProperty())
+        print("result == \(result)")
+    }
+
+    
     func onDestory() {
         agoraKit.disableAudio()
         agoraKit.disableVideo()