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How do I consume a Json on Android?
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How do I consume a Json on Android?
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Hello,
Use lib Ion(REST) that provides a Jsonobject and you can make POST, GET, PUT and etc requests.
First add dependency to the app
dependencies {
compile 'com.koushikdutta.ion:ion:2.+'
}
To read and send a json:
JsonObject json = new JsonObject();
json.addProperty("foo", "bar");
Ion.with(context)
.load("http://example.com/post")
.setJsonObjectBody(json)
.asJsonObject()
.setCallback(new FutureCallback<JsonObject>() {
@Override
public void onCompleted(Exception e, JsonObject result) {
// do stuff with the result or error
}
});
Using callback, that is to say it will not be blocked until the answer arrives, and your return has to be treated asymptotically.
JsonObject json = new JsonObject();
json.addProperty("foo", "bar");
JsonObject json = Ion.with(context)
.load("http://example.com/post")
.setJsonObjectBody(json)
.asJsonObject()//aqui voce define o tipo do retorno
.get();
Using the get the method has been blocked until receiving the reply and can be treated synchronously.
To treat the return in a Jsonobject:
json.get("nomeDaKey");
Link for more information from Lib:https://github.com/koush/ion
Do you have an example of how to work the return of json? We assume it returns id and name, how it would work in onCompleted?
Yes, I’ve edited the answer. I hope it helps you.
Hi, how do I add this library in Android Studio?
enters the bluild.Gradle of your project and adds this code in the dependencies "Compile 'com.koushikdutta.ion:ion:2.+ '" @Luizach
will yes @Luizach
Please, I can’t manipulate his feedback. In onCompleted, how can I get each value of json in this format [{"id":"1","name":"XXX","city":"XXXXXXX"},{"id":"2","name":"XXXX","city":"XXXXXXX"}]
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This is about webservice?
– user3010128
It can be http as well.
– Luhhh
What do you mean "use"? Read an attribute? Create? Convert to object? If you make your question more specific, you have a better chance of getting a good answer and helping those who have the same question in the future.
– Pablo Almeida
See also : http://kobjects.org/ksoap2/index.html, can help you
– user3010128