[Question] Why play inside Pageview plays back previous audio? Could this be state not managed correctly? about record HOT 3 CLOSED

child: PageView(
  children: <Widget>[
             Text(context, 1, "Hello"),

                                      MaterialApp(
                                        home: Scaffold(
                                          body: Center(
                                            child: AudioRecorder(
                                              onStop: (path) {
                                                setState(() {
                                                  audioSource =
                                                      ap.AudioSource.uri(
                                                          Uri.parse(path!));
                                                  showPlayer = true;
                                                });
                                              },
                                            ),
                                          ),
                                        ),
                                      ),
                                      MaterialApp(
                                        home: Scaffold(
                                          body: Center(
                                            child: Padding(
                                              padding: EdgeInsets.symmetric(
                                                  horizontal: 25),
                                              child: AudioPlayer(
                                                source: audioSource,      <--  But if audioSource! then it complains Null check operator used ona null value???? 
  
                                                onDelete: () {
                                                  setState(
                                                      () => showPlayer = false);
                                                },
                                              ),
                                            ),
                                          ),
                                        ),
                                      ),
                                   
                                      Text('child6'),