fix hold/unhold, close #302 and close #305.

Author: cloudwebrtc

example/scripts/project_tools.sh

@@ -17,7 +17,7 @@ function create() {
         echo "Create flutter project: name=$FLUTTER_APP_PROJECT_NAME, org=$FLUTTER_APP_ORG ..."
         flutter config --enable-macos-desktop
         flutter config --enable-web
-        flutter create --android-language java --androidx --ios-language objc --project-name $FLUTTER_APP_PROJECT_NAME --org $FLUTTER_APP_ORG .
+        flutter create --android-language java --ios-language objc --project-name $FLUTTER_APP_PROJECT_NAME --org $FLUTTER_APP_ORG .
         add_permission_label
     else
         echo "Project [$FLUTTER_APP_PROJECT_NAME] already exists!"
@@ -37,15 +37,15 @@ function add_permission_label() {
     echo ""
     echo "Add permission labels to AndroidManifest.xml."
     echo ""
-    python add-line.py -i ../android/app/build.gradle -s 'minSdkVersion 21' -t 'minSdkVersion 32' -r
+    python add-line.py -i ../android/app/build.gradle -s 'minSdkVersion 16' -t 'minSdkVersion 21' -r
     python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.CAMERA" />'
     python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.RECORD_AUDIO" />'
     python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.WAKE_LOCK" />'
     python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />'
     python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />'
     python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />'
     python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />'
-if [ -d "macos" ]; then
+    python add-line.py -i ../android/app/src/main/AndroidManifest.xml -s "<application" -t '    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />'
     echo ""
     echo "Add permission labels to macOS."
     echo ""
@@ -67,7 +67,6 @@ if [ -d "macos" ]; then
     python add-line.py -i ../macos/Runner/Release.entitlements -s '</dict>' -t '       <true/>'
     python add-line.py -i ../macos/Runner/Release.entitlements -s '</dict>' -t '       <key>com.apple.security.network.client</key>'
     python add-line.py -i ../macos/Runner/Release.entitlements -s '</dict>' -t '       <true/>'
-fi
 }
 
 if [ "$CMD" == "create" ];

lib/src/rtc_session.dart

@@ -1642,7 +1642,7 @@ class RTCSession extends EventManager implements Owner {
   Future<RTCSessionDescription> _createLocalDescription(
       String type, Map<String, dynamic>? constraints) async {
     logger.debug('createLocalDescription()');
-    _iceGatheringState = RTCIceGatheringState.RTCIceGatheringStateNew;
+    _iceGatheringState ??= RTCIceGatheringState.RTCIceGatheringStateNew;
     Completer<RTCSessionDescription> completer =
         Completer<RTCSessionDescription>();
 

pubspec.yaml

@@ -8,7 +8,7 @@ environment:
 
 dependencies:
   crypto: ^3.0.0
-  flutter_webrtc: ^0.8.2
+  flutter_webrtc: ^0.9.1
   intl: ^0.17.0
   logger: ^1.0.0
   parser_error: ^0.2.0