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An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

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Quick Overview

Android Async HTTP is a popular asynchronous HTTP client library for Android. It provides a simple and efficient way to make HTTP requests in Android applications, handling threading and response parsing automatically.

Pros

  • Easy to use with a simple and intuitive API
  • Supports both synchronous and asynchronous requests
  • Handles threading automatically, improving app performance
  • Integrates well with Android's AsyncTask for background operations

Cons

  • No longer actively maintained (last update in 2016)
  • Lacks support for modern Android features and best practices
  • May have security vulnerabilities due to lack of updates
  • Limited compared to more modern networking libraries like Retrofit or OkHttp

Code Examples

  1. Making a GET request:
AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.example.com/data", new AsyncHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
        // Handle successful response
    }

    @Override
    public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
        // Handle error
    }
});
  1. Making a POST request with parameters:
RequestParams params = new RequestParams();
params.put("key", "value");

AsyncHttpClient client = new AsyncHttpClient();
client.post("https://api.example.com/submit", params, new JsonHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
        // Handle JSON response
    }

    @Override
    public void onFailure(int statusCode, Header[] headers, Throwable throwable, JSONObject errorResponse) {
        // Handle error
    }
});
  1. Setting request headers:
AsyncHttpClient client = new AsyncHttpClient();
client.addHeader("Authorization", "Bearer token123");
client.get("https://api.example.com/protected", new AsyncHttpResponseHandler() {
    // Handle response
});

Getting Started

  1. Add the dependency to your build.gradle file:
dependencies {
    implementation 'com.loopj.android:android-async-http:1.4.9'
}
  1. Add Internet permission to your AndroidManifest.xml:
<uses-permission android:name="android.permission.INTERNET" />
  1. Create an instance of AsyncHttpClient and make requests:
AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.example.com/data", new AsyncHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
        String response = new String(responseBody);
        // Process the response
    }

    @Override
    public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
        // Handle error
    }
});

Competitor Comparisons

An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

Pros of android-async-http

  • Lightweight and easy to use for basic HTTP requests
  • Supports both synchronous and asynchronous operations
  • Well-documented with a large community of users

Cons of android-async-http

  • Limited features compared to more modern HTTP libraries
  • Lack of recent updates and maintenance
  • May not fully support newer Android versions and features

Code Comparison

Both repositories contain the same codebase, as they are mirrors of the same project. Here's a sample of how to make a GET request using android-async-http:

AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.example.com/data", new AsyncHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
        // Handle successful response
    }

    @Override
    public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
        // Handle error
    }
});

Since both repositories contain the same code, there are no differences to highlight in the code comparison.

It's worth noting that the android-async-http project has been largely superseded by more modern HTTP libraries for Android, such as OkHttp or Retrofit. These newer libraries offer more features, better performance, and ongoing maintenance.

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Pros of OkHttp

  • More actively maintained and updated
  • Better performance and efficiency, especially for SPDY and HTTP/2
  • Robust features like connection pooling, transparent GZIP, and caching

Cons of OkHttp

  • Steeper learning curve for beginners
  • Requires more setup and configuration for basic use cases
  • Larger library size compared to Android Async HTTP

Code Comparison

android-async-http:

AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.example.com", new AsyncHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
        // Handle success
    }
});

OkHttp:

OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
    .url("https://api.example.com")
    .build();
client.newCall(request).enqueue(new Callback() {
    @Override
    public void onResponse(Call call, Response response) throws IOException {
        // Handle response
    }
});

Both libraries offer asynchronous HTTP requests, but OkHttp provides more flexibility and control over the request and response handling. Android Async HTTP has a simpler API for basic use cases, while OkHttp offers more advanced features and customization options. OkHttp is generally considered more modern and efficient, especially for complex networking scenarios.

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Pros of Retrofit

  • Type-safe API for HTTP requests, reducing runtime errors
  • Annotation-based approach for defining API endpoints
  • Seamless integration with popular libraries like OkHttp and RxJava

Cons of Retrofit

  • Steeper learning curve due to its more complex architecture
  • Requires more setup and configuration compared to android-async-http

Code Comparison

Retrofit:

public interface GitHubService {
  @GET("users/{user}/repos")
  Call<List<Repo>> listRepos(@Path("user") String user);
}

Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://api.github.com/")
    .build();

GitHubService service = retrofit.create(GitHubService.class);
Call<List<Repo>> repos = service.listRepos("octocat");

android-async-http:

AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.github.com/users/octocat/repos", new JsonHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, JSONArray response) {
        // Handle JSON response
    }
});

Retrofit offers a more structured and type-safe approach to API calls, while android-async-http provides a simpler, callback-based method. Retrofit's annotation-based system allows for cleaner code organization, but requires more initial setup. android-async-http is easier to get started with but may be more prone to runtime errors due to its lack of compile-time checks.

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Pros of Volley

  • Better performance through intelligent request dispatching and caching
  • Easier request prioritization and cancellation
  • Built-in support for request queueing and retry policies

Cons of Volley

  • Steeper learning curve due to more complex API
  • Less flexibility for custom implementations
  • Larger library size, which may impact app size

Code Comparison

android-async-http:

AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.example.com", new AsyncHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
        // Handle success
    }
});

Volley:

RequestQueue queue = Volley.newRequestQueue(this);
StringRequest stringRequest = new StringRequest(Request.Method.GET, "https://api.example.com",
        new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                // Handle success
            }
        }, new Response.ErrorListener() { /* ... */ });
queue.add(stringRequest);

Both libraries offer asynchronous HTTP requests for Android, but Volley provides more advanced features like request prioritization and caching. android-async-http has a simpler API, making it easier to use for basic tasks. Volley is generally preferred for more complex applications with higher performance requirements, while android-async-http may be suitable for simpler projects or those requiring quick implementation.

🚀 A Complete Fast Android Networking Library that also supports HTTP/2 🚀

Pros of Fast-Android-Networking

  • Built on top of OkHttp, offering better performance and features
  • Supports both synchronous and asynchronous requests
  • Includes built-in image loading and caching capabilities

Cons of Fast-Android-Networking

  • Larger library size due to additional features
  • Steeper learning curve for developers familiar with android-async-http
  • Less mature community and ecosystem compared to android-async-http

Code Comparison

Fast-Android-Networking:

AndroidNetworking.get("https://api.example.com/data")
    .addQueryParameter("key", "value")
    .build()
    .getAsJSONObject(new JSONObjectRequestListener() {
        @Override
        public void onResponse(JSONObject response) {
            // Handle response
        }
    });

android-async-http:

AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.example.com/data?key=value", new JsonHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
        // Handle response
    }
});

Both libraries offer similar functionality for making HTTP requests, but Fast-Android-Networking provides a more fluent API with method chaining. It also includes built-in support for various response types, while android-async-http requires separate response handlers for different data formats.

Fast-Android-Networking offers more modern features and better performance, but android-async-http may be preferred for simpler projects or by developers already familiar with its API.

4,593

The easiest HTTP networking library for Kotlin/Android

Pros of Fuel

  • Modern Kotlin-based library with coroutines support
  • More feature-rich, including built-in JSON parsing and caching
  • Actively maintained with regular updates

Cons of Fuel

  • Steeper learning curve for developers new to Kotlin
  • Larger library size compared to android-async-http
  • May require additional setup for Java-only projects

Code Comparison

android-async-http:

AsyncHttpClient client = new AsyncHttpClient();
client.get("https://api.example.com", new AsyncHttpResponseHandler() {
    @Override
    public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
        // Handle success
    }
});

Fuel:

Fuel.get("https://api.example.com")
    .responseString { result ->
        when (result) {
            is Result.Success -> // Handle success
            is Result.Failure -> // Handle failure
        }
    }

Both libraries provide easy-to-use HTTP request methods, but Fuel's syntax is more concise and leverages Kotlin's features. android-async-http uses callback-based programming, while Fuel offers both callback and coroutine-based approaches, making it more flexible for modern Android development.

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README

Asynchronous Http Client for Android

Build Status

An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

Changelog

See what is new in version 1.4.11 released on 29th June 2020

https://github.com/android-async-http/android-async-http/blob/1.4.11/CHANGELOG.md

Javadoc

Latest Javadoc for 1.4.11 release are available here (also included in Maven repository):

https://android-async-http.github.io/android-async-http/doc/

Features

  • Make asynchronous HTTP requests, handle responses in anonymous callbacks
  • HTTP requests happen outside the UI thread
  • Requests use a threadpool to cap concurrent resource usage
  • GET/POST params builder (RequestParams)
  • Multipart file uploads with no additional third party libraries
  • Tiny size overhead to your application, only 60kb for everything
  • Automatic smart request retries optimized for spotty mobile connections
  • Automatic gzip response decoding support for super-fast requests
  • Optional built-in response parsing into JSON (JsonHttpResponseHandler)
  • Optional persistent cookie store, saves cookies into your app's SharedPreferences
  • Support sni with Conscrypt on older android device (wiki)

Examples

For inspiration and testing on device we've provided Sample Application.
See individual samples here on Github
To run Sample application, simply clone the repository and run this command, to install it on connected device

gradle :sample:installDebug

Maven

You can now integrate this library in your project via Maven. There are available two kind of builds.

releases, maven central

https://repo1.maven.org/maven2/com/loopj/android/android-async-http/

Maven URL: https://repo1.maven.org/maven2/
GroupId: com.loopj.android
ArtifactId: android-async-http
Version: 1.4.11
Packaging: JAR or AAR

Gradle

repositories {
  mavenCentral()
}

dependencies {
  implementation 'com.loopj.android:android-async-http:1.4.11'
}

development snapshots snapshot might not be published yet

https://oss.sonatype.org/content/repositories/snapshots/com/loopj/android/android-async-http/

Maven URL: https://oss.sonatype.org/content/repositories/snapshots/
GroupId: com.loopj.android
ArtifactId: android-async-http
Version: 1.4.12-SNAPSHOT
Packaging: JAR or AAR

Gradle

repositories {
  maven {
    url 'https://oss.sonatype.org/content/repositories/snapshots/'
  }
}
dependencies {
  implementation 'com.loopj.android:android-async-http:1.4.11-SNAPSHOT'
}

Documentation, Features and Examples

Full details and documentation can be found on the project page here:

https://android-async-http.github.io/android-async-http/