Minimize call window

In-app minimization

With only two simple steps, you can achieve the effect of minimizing the video call window within the application.

Ideally, the final effect will look like this:

Integrate in-app minimization

Display the minimize button

To display the minimize button, configure the ZegoUIKitPrebuiltCallConfig's topMenuBar, and add the ZegoCallMenuBarButtonName.minimizingButton button to the top menu bar.

With call invitation

Basic call

ZegoUIKitPrebuiltCallInvitationService().init(
  appID: YourAppID,
  appSign: YourAppSign,
  userID: userID,
  userName: userName,
  plugins: [ZegoUIKitSignalingPlugin()],
  requireConfig: (ZegoCallInvitationData data) {
    var config = (data.invitees.length > 1)
        ? ZegoCallType.videoCall == data.type
        ? ZegoUIKitPrebuiltCallConfig.groupVideoCall()
        : ZegoUIKitPrebuiltCallConfig.groupVoiceCall()
        : ZegoCallType.videoCall == data.type
        ? ZegoUIKitPrebuiltCallConfig.oneOnOneVideoCall()
        : ZegoUIKitPrebuiltCallConfig.oneOnOneVoiceCall();

    /// show minimizing button
    config.topMenuBar.isVisible = true;
    config.topMenuBar.buttons.insert(0, ZegoCallMenuBarButtonName.minimizingButton);

    return config;
  },
);

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class CallPage extends StatelessWidget {
  const CallPage({Key? key, required this.callID}) : super(key: key);
  final String callID;

  @override
  Widget build(BuildContext context) {
    return ZegoUIKitPrebuiltCall(
      appID: YourAppID,
      appSign: YourAppSign,
      userID: userID,
      userName: userName,
      callID: callID,

      /// show minimizing button
      config: ZegoUIKitPrebuiltCallConfig.oneOnOneVideoCall()
          ..topMenuBar.isVisible = true
          ..topMenuBar.buttons = [
            ZegoCallMenuBarButtonName.minimizingButton,
            ZegoCallMenuBarButtonName.showMemberListButton,
          ],
    );
  }
}

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Configure the Overlay

To achieve the effect of minimizing the window, you need to use the ZegoUIKitPrebuiltCallMiniOverlayPage component and insert it into the Overlay of the app.

Untitled

///  Step 1/3: Declare a NavigatorState
final navigatorKey = GlobalKey();

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  ZegoUIKit().initLog().then((value) {
    runApp(const MyApp());
  });
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: const ZegoUIKitPrebuiltCallMiniPopScope(
        child: YourHomePage(),
      ),
      /// Step 2/3: Assign the NavigatorState to MaterialApp
      navigatorKey: navigatorKey,
      builder: (BuildContext context, Widget? child) {
        return Stack(
          children: [
            child!,
            ///  Step 3/3: Insert ZegoUIKitPrebuiltCallMiniOverlayPage into Overlay, and return the context of NavigatorState in contextQuery.
            ZegoUIKitPrebuiltCallMiniOverlayPage(
              contextQuery: () {
                return navigatorKey.currentState!.context;
              },
            ),
          ],
        );
      },
    );
  }
}

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Prevent building multiple ZegoUIKitPrebuiltCall

When you minimize the interface, if the button is not restricted, clicking the call button again will enter the call page again. To avoid this situation, it is necessary to restrict the button.

Therefore, in the click event of the button, you need to handle it: if it is currently in a minimized state, do not carry out the page jump operation.

With call invitation

Basic call

///    You don't need to do any extra operations, because we have processed it internally.

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ElevatedButton(
  onPressed: () {
    if (ZegoUIKitPrebuiltCallController().minimize.isMinimizing) {
      /// When the application is minimized (in a minimized state),
      /// Disable button clicks to prevent multiple ZegoUIKitPrebuiltCall components from being created.
      return;
    }

    /// The code you used to initialize or navigate ZegoUIKitPrebuiltCall previously.
    Navigator.pushNamed(
      context,
      ZegoUIKitPrebuiltCall(...),
    );
  },
  child: const Text('join'),
);

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After completing the above two steps, you can now minimize the video call window within the application.

Out-of-app minimization

PIP, also known as Picture In Picture, is a window displayed when the application is in background.

In addition, interactive operations are not allowed at this time, so it is only in viewing mode.

The default value of ZegoCallPIPConfig.enableWhenBackground is true, which means the PIP feature is enabled by default. If you don't want to enable it, you can set it to false.

If you want to display the PIP window by clicking a button, you can achieve this by adding ZegoCallMenuBarButtonName.pipButton to topMenuBar.buttons.

The final effect will look like this:

Integrate with button

With call invitation

Basic call

ZegoUIKitPrebuiltCallInvitationService().init(
  appID: YourAppID,
  appSign: YourAppSign,
  userID: userID,
  userName: userName,
  plugins: [ZegoUIKitSignalingPlugin()],
  requireConfig: (ZegoCallInvitationData data) {
    var config = (data.invitees.length > 1)
        ? ZegoCallType.videoCall == data.type
        ? ZegoUIKitPrebuiltCallConfig.groupVideoCall()
        : ZegoUIKitPrebuiltCallConfig.groupVoiceCall()
        : ZegoCallType.videoCall == data.type
        ? ZegoUIKitPrebuiltCallConfig.oneOnOneVideoCall()
        : ZegoUIKitPrebuiltCallConfig.oneOnOneVoiceCall();

    /// show minimizing button
    config.topMenuBar.buttons.insert(0, ZegoCallMenuBarButtonName.pipButton);
    config.pip.enableWhenBackground = true;

    return config;
  },
);

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    ZegoUIKitPrebuiltCall(
      appID: YourAppID,
      appSign: YourAppSign,
      userID: userID,
      userName: userName,
      callID: callID,
      config: ZegoUIKitPrebuiltCallConfig.oneOnOneVideoCall()
        ..pip.enableWhenBackground = true
        ..topMenuBar.buttons = [
          ZegoCallMenuBarButtonName.pipButton,
        ]
    )

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Config

ZegoCallPIPConfig

Attribute	Description	Type
aspectWidth	aspect width	int
aspectHeight	aspect height	int
enableWhenBackground	android: only available on SDK higher than 31(>=31)	bool
android	android config	ZegoCallPIPAndroidConfig

ZegoCallPIPAndroidConfig

Attribute	Description	Type
background	background widget, default is a black widget	Widget?