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Set a hangup confirmation dialog

Call Kit (ZegoUIKitPrebuilt) ends a call by default when the user clicks the End Call button or the Android’s Back button.

If you want to add a confirmation dialog box to double confirm whether the user wants to hang up a call, you can use the hangup config:

  1. hangUpConfirmInfo: After configuring the hangUpConfirmInfo parameter, ZegoUIKitPrebuilt will pop up a confirmation dialog box with the default style before ending the call, showing the confirmation info you set.

The effect will be like this:

Here is the reference code:

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();

    // Modify your custom configurations here.
    config.hangUpConfirmDialogInfo = ZegoHangUpConfirmDialogInfo(
      title: "Hangup confirm",
      message: "Do you want to hangup?",
      cancelButtonName: "Cancel",
      confirmButtonName: "Confirm",
    );
    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,

      // Modify your custom configurations here.
      config: ZegoUIKitPrebuiltCallConfig.oneOnOneVideoCall()
        ..hangUpConfirmDialogInfo = ZegoHangUpConfirmDialogInfo(
          title: "Hangup confirm",
          message: "Do you want to hangup?",
          cancelButtonName: "Cancel",
          confirmButtonName: "Confirm",
        ),
    );
  }
}
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If the default dialog style can’t meet your needs, or you want to pop up a more complex dialog, then you can use the onHangUpConfirmation parameter. The onHangUpConfirmation is a callback that can be used together with the showDialog of Flutter. And sure, you can also implement the logic that decides whether to end the call or not, or any other business logic in this callback as wanted.

Here is the reference code:

With call invitation
Basic call
ZegoUIKitPrebuiltCallInvitationService().init(
  appID: YourAppID,
  appSign: YourAppSign,
  userID: userID,
  userName: userName,
  plugins: [ZegoUIKitSignalingPlugin()],
  events: ZegoUIKitPrebuiltCallEvents(
    // Modify your custom configurations here.
    onHangUpConfirmation: (ZegoCallHangUpConfirmationEvent event,
      /// defaultAction to return to the previous page
      Future<bool> Function() defaultAction,
    ) async {
      return await showDialog(
        context: event.context,
        barrierDismissible: false,
        builder: (BuildContext context) {
          return AlertDialog(
            backgroundColor: Colors.blue[900]!.withOpacity(0.9),
            title: const Text("This is your custom dialog",
                style: TextStyle(color: Colors.white70)),
            content: const Text(
                "You can customize this dialog however you like",
                style: TextStyle(color: Colors.white70)),
            actions: [
              ElevatedButton(
                child: const Text("Cancel",
                    style: TextStyle(color: Colors.white70)),
                onPressed: () => Navigator.of(context).pop(false),
              ),
              ElevatedButton(
                child: const Text("Exit"),
                onPressed: () => Navigator.of(context).pop(true),
              ),
            ],
          );
        },
      );
    },
  ),
  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();

    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,
      events: ZegoUIKitPrebuiltCallEvents(
        // Modify your custom configurations here.
        onHangUpConfirmation: (ZegoCallHangUpConfirmationEvent event,
          /// defaultAction to return to the previous page
          Future<bool> Function() defaultAction,
        ) async {
          return await showDialog(
            context: event.context,
            barrierDismissible: false,
            builder: (BuildContext context) {
              return AlertDialog(
                backgroundColor: Colors.blue[900]!.withOpacity(0.9),
                title: const Text("This is your custom dialog",
                    style: TextStyle(color: Colors.white70)),
                content: const Text(
                    "You can customize this dialog however you like",
                    style: TextStyle(color: Colors.white70)),
                actions: [
                  ElevatedButton(
                    child: const Text("Cancel",
                        style: TextStyle(color: Colors.white70)),
                    onPressed: () => Navigator.of(context).pop(false),
                  ),
                  ElevatedButton(
                    child: const Text("Exit"),
                    onPressed: () => Navigator.of(context).pop(true),
                  ),
                ],
              );
            },
          );
        },
      ),
      config: ZegoUIKitPrebuiltCallConfig.oneOnOneVideoCall(),
    );
  }
}
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The effect of a custom dialog will be like this:

If you want to listen for hang-up events, for example, to save the call recording when ending the call, ZegoUIKitPrebuiltCall provides an onHangUp callback that will be triggered when the call ends. And sure, you can also implement custom business logic in the onHangUp.

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