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try future
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// função future | |
Future<List<Att>> _pegaAtt() async { | |
var dados = await socResp(); | |
var attDados; | |
if(dados is !Map){ | |
attDados = json.decode(dados); | |
} | |
List<Att> atts = []; | |
for (var a in attDados){ | |
Att att = Att( | |
a['usuario_id'], | |
a['remetente_id'], | |
a['tronco'], | |
a['avatar'], | |
a['tipo'] | |
); | |
atts.add(att); | |
} | |
return atts; | |
} | |
//future builder | |
/** | |
FutureBuilder( | |
future: _pegaAtt(), | |
builder: (BuildContext context, AsyncSnapshot snapshot) { | |
if (snapshot.hasData == false){ | |
return Container( | |
child: Center( | |
child: Text('Não há nada pra mostrar . . .'))); | |
} else { | |
return ListView.builder( | |
reverse: false, | |
itemCount: snapshot.data.length, | |
itemBuilder: (context, index) { | |
var att = snapshot.data[index]; | |
return Container() | |
} | |
) | |
} | |
} | |
); | |
*/ | |
// função de await usada | |
socResp() async { | |
var sAtt = respAtendimento; | |
return sAtt; | |
} | |
// socket onde chamo a func acima | |
io.on("atendimentoBegin", (data) { | |
respAtendimento.add(data); | |
socResp(); | |
print(respAtendimento); | |
pprint("atendimentoBegin"); | |
pprint(data); | |
}); |
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>(ConnectionState.waiting, null, null) | |
>(ConnectionState.done, [], null) | |
(ConnectionState.waiting, [{usuario_id: 12, remetente_id: 22, tronco: 1167,nome: Novo,telefone: 551199,avatar: https://pps.app./v/t61.24694-24642376431_35n.jpg?ab, protocolo: 201988211520, | |
... | |
>(ConnectionState.done, [{usuario_id: 12, remetente_id: 22, tronco: [...] | |
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body: Container(child: Column(mainAxisAlignment: MainAxisAlignment.center, | |
children: <Widget>[ | |
Flexible( | |
child: FutureBuilder( | |
// future: attSock(), | |
future: attSock(), | |
builder: (BuildContext context, AsyncSnapshot snapshot) { | |
if (snapshot.hasData == false){ | |
return Container( | |
child: Center( | |
child: Text('Não há nada no momento . . .'), | |
) | |
); | |
} else { | |
switch (snapshot.connectionState) { | |
case ConnectionState.none: | |
case ConnectionState.waiting: | |
return LinearProgressIndicator(); | |
case ConnectionState.done: | |
case ConnectionState.active: | |
return ListView.builder( | |
reverse: false, | |
itemCount: snapshot.data.length, | |
itemBuilder: (context, index) { | |
var att = snapshot.data[index]; | |
return Container( | |
margin: EdgeInsets.only(bottom: 2.0), | |
color: Colors.lightBlue[50], | |
// elemento com Avatar > nome > telefone (cliente) | |
child: ListTile( | |
leading: CircleAvatar( | |
backgroundImage: NetworkImage(att['avatar']), | |
backgroundColor: Colors.transparent, | |
), | |
title: Text(att['cliente_nome']), | |
subtitle: Text(att['cliente_telefone']), | |
trailing: Text(att['tronco']), | |
onTap: () { | |
// soc.getMensagens( | |
getMensagens( | |
att['id'], | |
att['remetente_id'], | |
); | |
Navigator.push(context, | |
MaterialPageRoute(builder: (context) { | |
return BubbleAtendimento( | |
dados: dadosUsuario, // dado | |
avatarCliente: att['avatar'], //avaatar | |
nomeCliente: att['nome'], | |
telefoneCliente: att['telefone'], | |
troncoCliente: att['tronco'], | |
atendimento: att, | |
); | |
})); | |
})); | |
}); | |
} | |
}}) | |
), | |
Divider( | |
height: 3.0, | |
)]))); | |
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