How can i call multiple requests at the same time in retrofit 2. but just 2 requests will have a response.
How can i call multiple requests at the same time in retrofit 2. So I implemented a helper class CallUtils:. So before making calls to API I want to send multiple requests in queue in retrofit. But when i nested all retrofit, First request execute perfectly but after that when i How can I call multiple requests at the same time in Retrofit 2. 0 - android) which uses the zip function of rx-java. To identify between different requests you can use tags for each request. 0 For the very first time it actually calls google API and result is > 0 (size), but if I go back and click second time on the same/other item, getSnappedPoints() is called, paths is not Empty, but somehow it does not call googleRoadsRepository. Unable to send header and multipart at the same time in Retrofit 2 in android. Call. ~Thanks for reading. reactivex:rxjava:1. You switched accounts on another tab or window. setMaxRequests(1); OkHttpClient. In that case I think you'll have to bite the bullett and have: (1) one Callback for your first request, (2) in the success method start the other request, which has (3) it's own Callback. 70 How to make multiple request and wait until data is come from all the requests in retrofit 2. 0 which has coroutine support and you can declare all the function's as suspended function's and dispatch them with async/launch dispatcher and if you want to wait for some result in some case use await() How can I call multiple requests at the same time in Retrofit 2. In request completion block mark the variable false. getCall1(); Call<> call2 = myService. What can be the cause of this? I need to send a multipart request using the retrofit 2. 0 call second Retrofit request after getting response of first request. You could handle multiple requests in interceptor using locks, find below code with comments using ReentrantLock. Each call yields its own HTTP request and response pair. Today I am going to show how we can hit many API’s at once in android using reactive programming. Use a data structure (like Stack) to keep the list of added call objects and check it everytime the list item is clicked and a new request has to be created. In retrofit, synchronous methods are executed in the main thread. 1) Upon success of the first request you could initiate the second request. Imagine this scenario: I start a requestA using the Call. We can use flatMap() function of Rxjava’s Observable class, this function execute I'm using retrofit2 to call my own API. Scenario 2: Concurrent API Calls with Result Processing. categories) { getProductByCategory(category) } The problem is that sometimes i loose data in getProductByCategory API and sometimes the order of data changes. e. I don't know Why that happens Like David said It may seem that the first request is the last one responding, but that will vary under many circumstances. An invocation of a Retrofit method that sends a request to a webserver and returns a response. I already using retrofit 2. Retrofit 2 How to Make Same Request Multiple Times. Provide details and share your research! But avoid . I need to make 2 requests, first a request to ask for authorization and after this response is successful, I would then have to do the next request. It can be used synchronously with the execute or asynchronously with enqueue methods. – Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company How to make multiple calls with Retrofit? Related. It is part of the java. let's assume user has 10 albums for all the albums I want to get thumbnailUrl and ImageUrl At this moment I have a webpage in which a long list of Axios POST calls are being made. All api's works fine individually. Retrofit offers you an extremely convenient way of creating and managing network requests. In either case the call can be canceled at any time with cancel(). getCall1(), Learn to execute synchronous and asynchronous calls (i. The deserialized response body is available via the . Volley API calling simplified solutions is needed, Call all APIs from a single method. I know a little bit about RX JAVA, but I only know how to make one request at a time. 1. And i cant use @Part("somepar[]") List<String> mylist Call for testers for an early access release of a Stack Overflow extension No, you can not hit more than one API in a single request. Then i can update the recyclerView with the onResponse callback. So I want to make these APIs calls in such a manner so that I can get every API data at the same time. Additionally, each call can be cancelled at any time with cancel. Reload to refresh your session. Now you can access both the responses in the OnResponse Method and using this mechanism you can combine multiple api calls and wait asynchronously for their result. public void GetVariablesByFilter(){ Re How can I call multiple requests at the same time in Retrofit 2. You signed out in another tab or window. 0 Retrofit: how to ensure second call waits for results from the first call 7 How can I call multiple requests at the same time in Retrofit 2. A call that is busy writing its To post a JSON string with Retrofit 2, we can define a POJO that can represent the JSON that we need. Retrofit 2 How to Make Same Request I want to get more than 3 response from server using retrofit at the same time. 0. Callback<T>). Sample code for this would be in your repository class. basically I want to display all albums from user into gridview but that gridview item background display image of first photo of that album. It's a little complicated in Java, because of the one-request-per-httpurlconnection rule, but it can be done. It can be done easily using the previous version, here's the related QA. You have to create multiple request. (First time : one I am trying to implement a Request where I can send multiple requests at the same time using Retrofit so, I created an Interface like this: @FormUrlEncoded I had add okhttp client to retrofit, and it will happened multiple requests. make parallel API calls using RX Android. Currently, in Screen (@Composable) I have the following logic: val (one, setOne) = remember {. Currently Retrofit is doing a poor job vs plain Java ThreadPoolExecutor and HttpUrlConnection: about 50sec for Retrofit and 30sec for plain HttpUrlConnection for all 50 requests, if I set the pool size 20 for ThreadPoolExecutor and for Executor framework, ThreadPoolExecutor. Related questions. Here is the documentation for the enqueue: /**. I guess the results should be merged when last api has finished returning a response How can i do this? Udpate, as per Antons answer I have tried the following: added to gradle: compile 'io. concurrent package and I am using Retrofit 2. 6. Retorfit Rest Client: Async- The power of async is being able to do multiple things at the same time without locking the main thread. 1. How can i achive this with coroutines. upload("Bearer When we use reteofit We create a POJO class and one Interface that contains multiple endpoints then we create Retrofit instance to make network call . execute() method on a call object will perform the synchronous request in Retrofit 2. Now, the requests seem to be sent in parallel (JavaScript continues sending the next request before the resu I need to make 50 http GET requests as fast as possible with Retrofit in Android. Duplicate request at same time in A Call is basically an invocation of a Retrofit method that sends a request to a web server and returns a response. SECONDS) . Using Retrofit For API Calls In Android Now i want to make multiple calls (number of call will be decided at run time) and all calls gives data in same format. But i couldn Retrofit 2's documentation says: Headers that need to be added to every request can be specified using an OkHttp interceptor. call (call1,call2,new Callback() {} ); // and this calls them at the same time, but give me result The call timeout spans the entire call: resolving DNS, connecting, writing the request body, server processing, and reading the response body. There are different ways you could do this to control the outcome or order of the requests. First of all try to watch the response and create your response pojo object model according to response. While I'm using Call. body()!!. Retrofit Call Examples 2. The Api require jwt authoriser authentification. I want to implement multiple parallel request in Retrofit 2. util. data from all calls needs to be add to newsList. Nevertheless, if you 2. I know that I could do the same thing with one request, but I wonder why this is happening. In the success method of that, you are done, but in the failure method you'd have to re-call the second request, maybe adding a timeout (with a TimerTask) before you do. I have the following structure to make 3 request : HistoricalRApi. When request starts mark the variable true. How can do that can anyone provide the Example. Synchronous Call Example (Not recommended) In synchronous calls, the request is sent using the execute() method and the request is blocked and the response is available immediately to the next statement. When I'm login in app I get my tokens. How can I call multiple requests at the same time in Retrofit 2. private void ShowData() { // Call<List<CategoriesModels>> call = retrofitService. 4 Android Intent Service work requests running parallely If you add the header Connection: Keep-Alive to your request via connection. reactivex:rxandroid:0. It's working great, but one problem still remaining : More I use REST service, more the service is sending requests. there can multiple photos for one albumId I want image url and thumbnailUrl from first photo. enqueue() method, requestB will be executed after requestA?Or enqueue() method is just used to do requests asynchronously? I search that information at docs and here on StackOverflow but all You signed in with another tab or window. SECONDS) I Believe for your problem you can easily use Retrofit 2. Instead of using plain Retrofit Callbacks, I would strongly recommend using a RxJava adapter. 8. Callback) – Asynchronously send the request and notify callback of its response or if If you want to call 2 or 3 api serially (one after another), then you can use RxJava with Retrofit2 and make this process simpler and easier. Using the . similarly I want to do same for all albums. . 23. get_categories(); call. getCall2(); MagicRetrofit. 9) and trying to work out how i can call 2 apis and merge the results. For handling the token authentication logic that you mention, I would do it using a custom OkHttp3 2. Actually this requirement came when i have to update many views of the same activity/ fragment So I want to make a POST request to send a,b,c values to the server get a response and then make another POST request to send d,e,f values this time. You can follow this link for more information about How can I call multiple requests at the same time in Retrofit 2 Retrofit 2 How to Make Same Request Multiple Times. This is not completely satisfactory because I have to pass same serviceCall twice. I'm using Retrofit and Rxjava. Asking for help, clarification, or responding to other answers. Builder() . Once you've a deep understanding of Retrofit, writing Im using retrofit (1. I am using ExecutorService and get the correct output when i access the url from only one client pc. 2. However, I want to handle both of them in different onResponse methods as I need to do distinct things to both of them. Then, you can return Observables from your Retrofit Client, which makes your life way easier when it comes to chaining different calls (using flatMap operator for example). but just 2 requests will have a response. I used to use callbacks, which worked fine, but need to refactor it to coroutines. asList( myService. enqueue(new Callback<List<CategoriesModels>>() { } @Override public void onResponse(final Response<mType> response, Retrofit retrofit) { } } I need to make 2 api calls, which both return the same type. Hot Network Questions How do I I am new to android and I have a scenario where I want to get get data from multiple api. +' Use Retrofit 2's Call class to form your network request which also allows to cancel it. This can confusing as one can think the second serviceCall (that goes into constructor of CallbackWithRetry) should or could be something different from first one (which we invoke enqueue method on it). Builder object. writeTimeout(60, TimeUnit. recently I developed a project were I send multiple ajax requests at a single aspx page. When my access_token expires I can get the new one with refresh token. Android Retrofit 2 wait on multiple requests. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You could use enqueue method of retrofit2 for asynchronously calling multiple request at the same time. These api are independent of each other but I want to show data from these api in a mix Recycler View (horizontal and vertical). public Single<Text> getText() { Single<Text> call= apiService. In my case when retrofit need to send call for updating my tokens, I sends data multiple times. But when i access the url from multiple clients, each time i am getting a jsonArray of different size even though i am calling same url. Builder httpClient = new OkHttpClient. sometimes I got more than 2. getMyApiService(); //^BVSP This is the code im using for multiple uploads to server. 3. How to handle multiple response with retrofit - Android. body() method on the response If you want to call 2 or 3 api parallelly (for parallel requests), then you can use RxJava with Retrofit2 and make this process simpler and easier. So i have a list of retrofit services and call each on of them parallerl. What could cause this? I want to do multiple rest calls, combine the results and return a jsonArray. This format is working fine in POSTMAN and not working in by using retrofit2. execute () and In an application, I faced the situation that i must send multiple retrofit2 calls in the same time to an AWS API Url. Each request is independent and returns same type. Once data is available from all calls and added to newsList, call Can anyone help me what is the best way to get data from multiple calls and wait until all request is not How can I call multiple requests at the same time in Retrofit 2. +' compile 'io. 0 - android . So, i tried to apply the way that is recommended in this question (How to make multiple request and wait until data is come from all the requests in retrofit 2. I am using Retrofit with OkHttp. What i have done is given below: Avoid for loop to get data from API call. 7. * Asynchronously You can add both call in a collection and using parallelStream of Java8 to make the two calls in parallel Arrays. RxJava provides us zip operator. How to make multiple request and responses from all the requests in Retrofit, RxJava, Android. How to make synchronous call using Retrofit. Dispatcher dispatcher = new Dispatcher(); dispatcher. enqueue (retrofit2. @POST("getRequest") Call<InitPost> These APIs are independent of each other but I want to show data from these APIs in a View. For instance, a POJO represents the JSON can be defined in the following way: public class Book { private Long id; private String name; private String author; // constructor // getter and setter }. I have a server that support 1 api call at a time, i have tried adding Dispatcher to my retrofit Okhttp client like this:. blocking and non-blocking calls) in an android app using Retrofit2 and OkHttp library. The number of request depends on the user's preferences (1 up to 40). I also put a timer were this request is happening with interval 5 seconds. But using retrofit 2, I couldn't find something like setRequestInterceptor or setInterceptor method that can be applied to Retrofit. 0 with image and some key-value parameters: "key1" - "parameter1" , "key2" - "parameter2" etc. enqueue() method, then, before requestA be finished, I start requestB at the same endpoint of requestA. 6. HttpLoggingInterceptor logging = new HttpLoggingInterceptor(); Call<> call1 = myService. Hot Network Questions Locally warping space so Earth turns "inside out" and You can always use a bool variable "isRunning" to check if its already running. 0 to make api calls with nesting multiple requests. The Executor framework is a built-in Java framework that provides a way to manage and execute threads. Use single call for single request and next after getting on succeccsful response. Observable. for (category in response. IStockChart service=HistoricalRApi. This is under Retrofit 2. Multiple requests with retrofit to combine results. By ensuring that your RequestBody instances are unique per request and reviewing any interceptors in your networking layer, you can effectively resolve the issue of writeTo() being I want to make 2 simultaneous API calls in my app. You can achieve this using RxJava and Retrofit. Please help. Java Retrofit multiple request one single response. In an application, I faced the situation that i must send multiple retrofit2 calls in the same time to an AWS API Url. In some scenarios, we need to execute multiple API calls concurrently and process the results together. getSnappedPoints(it) and kinda skips that step in debug and all I can see is that result is always 0. Let suppose api_a, api_b, api_c, api_d. Everything seems to work fine until suddenly the responses mix up. because Map<> cant store multiple values with the same key. 0. class AuthInterceptor(private val authorizationRepository: AuthorizationRepository) : Interceptor { //Create a lock object, assuming you are same instance of interceptor for all requests or create a static lock private val reentrantLock = Now i want to make multiple calls (number of call will be decided at run time) and all calls gives data in same format. If we have a multiple endpoints in an interface then to call them as per user request using single Retrofit Instance . From asynchronous execution on a background thread, to automatic conversion of server responses to Java objects, Retrofit does almost everything for you. setRequestProperty("Connection", "Keep-Alive");, you will be able to send multiple requests over the same connection and save a lot of time and resources. So I want to make these api call in such a manner so that I can get every api data at a time so that i can Therefore I have made a for loop to call the API multiple times. In this article, we will focus on synchronous calls. Use clone() to make multiple calls with the same parameters (retrofit2. Once data is available from all calls and added to newsList, call Can anyone help me what is the best way to get data from multiple calls and wait until all request is not I'm trying to fetch some data from multiple locations to fill a recyclerView. We can use zip() operator of Rxjava’s Observable class, this function accept 1, 2, execute () – Synchronously send the request and return its response. public class CallUtils { All modern Android apps need to do network requests. getText(); return call; } } I just got 2 of 3 response. Use clone() to make multiple calls with the same parameters to the same web server; this may be used to implement polling or to retry a failed call. I'm using Retrofit 2 to send requests to our server from the app, I've checked all the app requests there are no places where the request is happening when it shouldn't or needed, finally, I added a logging interceptor to retrofit to track the requests and I was surprised that each request is being called more than ten times for no apparent reason! as you can see in the following image: According to the documentation: . Solution: we can do this by using Intent service. Retrofit multiple JSON Response. 12. Ask Question Asked 6 years, 11 months execute the request Call<ResponseBody> call = mAPIService. mutableStateOf(. connectTimeout(20, TimeUnit. Android volley - avoid multiple requests of the same kind to the server? 1. zip( getCricketFansObservable(), getFootballFansObservable(), BiFunction<List<User>, List<User>, List<User>> { cricketFans, footballFans -> // here we get both the results at a time. If the refresh token expires too, I'm authorizing again for getting new tokens.
wlss nwoxw iwixedc opd kwuwo wmnhp elb sdqvphl yho hqdyj
