![]() Println("Error parse json from intercept. Val myJson = resp.peekBody(2048).string() // peekBody() will not close the response Val resp = chain.proceed(chain.request()) connectTimeout(TIME_OUT, TimeUnit.SECONDS) Private val okHttpClient = OkHttpClient.Builder() Private val gson = GsonBuilder().setLenient().create() Private external fun baseUrlFromJNI(boolean: Boolean): StringĬlass Failure(val e: Throwable) : ApiState()Ĭlass Success(val data: Any) : ApiState() Now make a new package, recommended name is: “networkService” ![]() kt files in a zip file.Ĥ.Ğxtract zip file and place converted. Get json string from your api response.ģ.Ĝopy and paste the json to web site and download converted. Implementation(":kotlinx-coroutines-android:1.4.3")Ģ. Implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.3.1") Implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1") Implementation("androidx.lifecycle:lifecycle-extensions:2.2.0") Implementation("3:logging-interceptor:4.4.0") // for cache How do you make a network call with retrofit, GSON and Coroutine in MVVM pattern in your Android project?ġ.Ědd Below all libraries(Gradle KTS), If you are using gradle make some chage. Var mUser = omJson(myJson, UserData::class.java) GSON is not for only Android you can use it in your any Kotlin or JAVA project. After that, the onCreate() method is used by the system to initialize the fragment. The fragment starts its lifecycle by attaching to the activity when the onAttach() method is called. Fragments are used to provide multiple screens in an activity. You just can use GSON which is developed by google. A fragment is a subactivity, or a segment of an activity, that has its own layout and lifecycle. Often we need to lookup or find a fragment instance within an activity layout file.Which library should I use for data parsing in Kotlin? Refer to this detailed lifecycle chart to view the lifecycle of a fragment more visually. The Java controller for a fragment looks like: import public class FooFragment extends Fragment Think of them as a partial (re-usable) activity: The XML layout file is just like any other layout file, and can be named fragment_foo.xml. Usage Defining a FragmentĪ fragment, like an activity, has an XML layout file and a Java class that represents the Fragment controller. To reiterate, in a fragment-based architecture, the activities are for navigation and the fragments are for views and logic. Retrieval and storage of data from persistence through model objects.Triggering of network request through a client object.View state management logic such as visibility or error handling.Event handling logic associated with relevant views.Layouts and views displaying relevant app content. ![]() Receiving data from intents and passing data between fragments.įragments are content controllers and contain most views, layouts, and event logic including:.Hiding and showing relevant fragments using the fragment manager.Presenting navigational components such as the navigation drawer or the viewpager.Navigation to other activities through intents.Inside of an app which uses fragments extensively, we need to keep in mind that the role of an activity shifts.Īctivities are navigation controllers primarily responsible for: Within a fragment-heavy app, we need to remember to organize our code according to architectural best practices. Fragments enable both orientations to reuse shared elements while also having differences. Screen Orientation - Often within apps, the portrait version of an activity has a substantially different layout from the landscape version. ![]() Fragments enable device-specific activities to reuse shared elements while also having differences. Tablet Support - Often within apps, the tablet version of an activity has a substantially different layout from the phone version which is different from the TV version.For example, using the same list across different data sources within an app. Reusing View and Logic Components - Fragments enable re-use of parts of your screen including views and event logic over and over in different ways across many disparate activities.There are many use cases for fragments but the most common use cases include: Within a fragment-oriented architecture, activities become navigational containers that are primarily responsible for navigation to other activities, presenting fragments and passing data. Fragments are standalone components that can contain views, events and logic.Fragments encapsulate views and logic so that it is easier to reuse within activities.Using the support library, fragments are supported back to all relevant Android versions.A Fragment is a combination of an XML layout file and a java class much like an Activity.Here are the important things to understand about fragments: Fragments must be embedded in activities they cannot run independently of activities. A Fragment typically defines a part of a user interface. A fragment is a reusable class implementing a portion of an activity.
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