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androidgradleandroid-gradle-pluginapache-httpclient-4.x
AndroidDev
AndroidDev

Reputation: 21237

HttpClient won't import in Android Studio

I have a simple class written in Android Studio:

package com.mysite.myapp;

import org.apache.http.client.HttpClient;

public class Whatever {
    public void headBangingAgainstTheWallExample () {
        HttpClient client = new DefaultHttpClient();
    }
}

and from this I get the following compile time error:

Cannot resolve symbol HttpClient

Isn't HttpClient included in the Android Studio SDK? Even if it is not, I added it to my Gradle build like this:

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:appcompat-v7:23.0.0'
    compile 'org.apache.httpcomponents:httpclient:4.5'
}

With or without the last compile line, the error is the same. What am I missing?

Upvotes: 387

Views: 631034

Answers (25)

Eli Blokh
Eli Blokh

Reputation: 12293

HttpClient is not supported any more in SDK 23. You have to use URLConnection or downgrade to SDK 22 (compile 'com.android.support:appcompat-v7:22.2.0')

If you need SDK 23, add this to your gradle:

android {
    useLibrary("org.apache.http.legacy")
}

You also may try to download and include HttpClient jar directly into your project or use OkHttp instead

Upvotes: 837

Santosh b
Santosh b

Reputation: 798

I had the same issue and i removed httpcclient libraries and added the line mentioned below then it started working. This library seem to have httpclient classes wrapper inside it.

implementation("net.sourceforge.htmlunit:htmlunit-android:2.63.0")

Upvotes: 0

straya
straya

Reputation: 5059

HttpClient was deprecated in API Level 22 and removed in API Level 23. You can still use it in API Level 23 and onwards if you must, however it is best to move to supported methods to handle HTTP. So, if you're compiling with 23, add this in your build.gradle:

android {
    useLibrary("org.apache.http.legacy")
}

Upvotes: 165

Will Buffington
Will Buffington

Reputation: 1700

As of April 2021, you can use the following:

In your app gradle, add the following under 'dependencies { ':

implementation 'org.apache.httpcomponents:httpcore:4.4.10'
implementation 'org.apache.httpcomponents:httpclient:4.5.6'

In your Java activity, add the following import:

import org.apache.http.client.HttpClient;

You should then be able to add HttpClient to your method(s).

Upvotes: 7

Wowo Ot
Wowo Ot

Reputation: 1529

For android API 28 and higher in Manifest.xml inside application tag

    <application
    .
    .
    .

    <uses-library android:name="org.apache.http.legacy" android:required="false"/>

Upvotes: 0

A.Bahrami
A.Bahrami

Reputation: 238

If you want import some class like :

import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient; 
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

You can add the following line in the build.gradle (Gradle dependencies) 

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.0'
    implementation 'com.android.support:support-v4:27.1.0'

    .
    .
    .

    implementation 'org.jbundle.util.osgi.wrapped:org.jbundle.util.osgi.wrapped.org.apache.http.client:4.1.2'

}

Upvotes: 10

Badr Bujbara
Badr Bujbara

Reputation: 8691

1- download Apache jar files (as of this answer) 4.5.zip file from:
https://hc.apache.org/downloads.cgi?Preferred=http%3A%2F%2Fapache.arvixe.com%2F

2- open the zip copy the jar files into your libs folder. You can find it if you go to the top of your project where it says "Android" you'll find a list when u click it. So,

Android -> Project -> app -> libs

,Then put jars there.

3- In build.gradle (Module: app) add

compile fileTree(dir: 'libs', include: ['*.jar'])

in

 dependency { 
   }

4- In the java class add these imports:

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.params.CoreProtocolPNames;

Upvotes: 16

Eshan Chattaraj
Eshan Chattaraj

Reputation: 368

Error:(30, 0) Gradle DSL method not found: 'classpath()' Possible causes:

  • The project 'cid' may be using a version of the Android Gradle plug-in that does not contain the method (e.g. 'testCompile' was added in 1.1.0). Upgrade plugin to version 2.3.3 and sync project
  • The project 'cid' may be using a version of Gradle that does not contain the method. Open Gradle wrapper file
  • The build file may be missing a Gradle plugin. Apply Gradle plugin

    • Upvotes: 0

    Alejandro Pablo Tkachuk
    Alejandro Pablo Tkachuk

    Reputation: 2256

    As mentioned before, org.apache.http.client.HttpClient is not supported any more in:

    SDK (API level) #23.

    You have to use java.net.HttpURLConnection.

    If you want to make your code (and life) easier when using HttpURLConnection, here is a Wrapper of this class that will let you do simple operations with GET, POST and PUT using JSON, like for example, doing a HTTP PUT.

    HttpRequest request = new HttpRequest(API_URL + PATH).addHeader("Content-Type", "application/json");
int httpCode = request.put(new JSONObject().toString());
if (HttpURLConnection.HTTP_OK == httpCode) {
    response = request.getJSONObjectResponse();
} else {
  // log error
}
httpRequest.close()

    Feel free to use it.

    package com.calculistik.repository;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * <p>
 * Copyright © 2017, Calculistik . All rights reserved.
 * <p>
 * Oracle and Java are registered trademarks of Oracle and/or its
 * affiliates. Other names may be trademarks of their respective owners.
 * <p>
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * https://netbeans.org/cddl-gplv2.html or
 * nbbuild/licenses/CDDL-GPL-2-CP. See the License for the specific
 * language governing permissions and limitations under the License.
 * When distributing the software, include this License Header
 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this particular file
 * as subject to the "Classpath" exception as provided by Oracle in the
 * GPL Version 2 section of the License file that accompanied this code. If
 * applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 * <p>
 * Contributor(s):
 * Created by alejandro tkachuk @aletkachuk
 * www.calculistik.com
 */
public class HttpRequest {

    public static enum Method {
        POST, PUT, DELETE, GET;
    }

    private URL url;
    private HttpURLConnection connection;
    private OutputStream outputStream;
    private HashMap<String, String> params = new HashMap<String, String>();

    public HttpRequest(String url) throws IOException {
        this.url = new URL(url);
        connection = (HttpURLConnection) this.url.openConnection();
    }

    public int get() throws IOException {
        return this.send();
    }

    public int post(String data) throws IOException {
        connection.setDoInput(true);
        connection.setRequestMethod(Method.POST.toString());
        connection.setDoOutput(true);
        outputStream = connection.getOutputStream();
        this.sendData(data);
        return this.send();
    }

    public int post() throws IOException {
        connection.setDoInput(true);
        connection.setRequestMethod(Method.POST.toString());
        connection.setDoOutput(true);
        outputStream = connection.getOutputStream();
        return this.send();
    }

    public int put(String data) throws IOException {
        connection.setDoInput(true);
        connection.setRequestMethod(Method.PUT.toString());
        connection.setDoOutput(true);
        outputStream = connection.getOutputStream();
        this.sendData(data);
        return this.send();
    }

    public int put() throws IOException {
        connection.setDoInput(true);
        connection.setRequestMethod(Method.PUT.toString());
        connection.setDoOutput(true);
        outputStream = connection.getOutputStream();
        return this.send();
    }

    public HttpRequest addHeader(String key, String value) {
        connection.setRequestProperty(key, value);
        return this;
    }

    public HttpRequest addParameter(String key, String value) {
        this.params.put(key, value);
        return this;
    }

    public JSONObject getJSONObjectResponse() throws JSONException, IOException {
        return new JSONObject(getStringResponse());
    }

    public JSONArray getJSONArrayResponse() throws JSONException, IOException {
        return new JSONArray(getStringResponse());
    }

    public String getStringResponse() throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        StringBuilder response = new StringBuilder();
        for (String line; (line = br.readLine()) != null; ) response.append(line + "\n");
        return response.toString();
    }

    public byte[] getBytesResponse() throws IOException {
        byte[] buffer = new byte[8192];
        InputStream is = connection.getInputStream();
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        for (int bytesRead; (bytesRead = is.read(buffer)) >= 0; )
            output.write(buffer, 0, bytesRead);
        return output.toByteArray();
    }

    public void close() {
        if (null != connection)
            connection.disconnect();
    }

    private int send() throws IOException {
        int httpStatusCode = HttpURLConnection.HTTP_BAD_REQUEST;

        if (!this.params.isEmpty()) {
            this.sendData();
        }
        httpStatusCode = connection.getResponseCode();

        return httpStatusCode;
    }

    private void sendData() throws IOException {
        StringBuilder result = new StringBuilder();
        for (Map.Entry<String, String> entry : params.entrySet()) {
            result.append((result.length() > 0 ? "&" : "") + entry.getKey() + "=" + entry.getValue());//appends: key=value (for first param) OR &key=value(second and more)
        }
        sendData(result.toString());
    }

    private HttpRequest sendData(String query) throws IOException {
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8"));
        writer.write(query);
        writer.close();
        return this;
    }

}

    Upvotes: 4

    Nilesh
    Nilesh

    Reputation: 1009

    You have to add just one line

    useLibrary 'org.apache.http.legacy'

    into build.gradle(Module: app), for example

    apply plugin: 'com.android.application'

android {
    compileSdkVersion 24
    buildToolsVersion "25.0.0"

    useLibrary 'org.apache.http.legacy'

    defaultConfig {
        applicationId "com.avenues.lib.testotpappnew"
        minSdkVersion 15
        targetSdkVersion 24
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:24.2.1'
    testCompile 'junit:junit:4.12'
}

    Upvotes: 5

    Ramindu Rusara Senarath
    Ramindu Rusara Senarath

    Reputation: 65

    Add these two lines under dependencies

    compile 'org.apache.httpcomponents:httpcore:4.4.1'
compile 'org.apache.httpcomponents:httpclient:4.5'

    then 

    useLibrary 'org.apache.http.legacy'

    under the android

    Upvotes: 2

    Shiv Buyya
    Shiv Buyya

    Reputation: 4130

    If you need sdk 23, add this to your gradle:

    android {
    useLibrary 'org.apache.http.legacy'
}

    Upvotes: 4

    Sneha Patel
    Sneha Patel

    Reputation: 393

    HttpClient is not supported in sdk 23 and 23+.

    If you need to use into sdk 23, add below code to your gradle:

    android {
    useLibrary 'org.apache.http.legacy'
}

    Its working for me. Hope useful for you.

    Upvotes: 4

    steven89806
    steven89806

    Reputation: 1

    I think depending on which Android Studio version you have, it's important you update your android studio as well, i was becoming frustrated too following everyone's advice but no luck, until i had to upgrade my android version from 1.3 to 1.5, the errors disappeared like magic.

    Upvotes: -1

    Pritish Joshi
    Pritish Joshi

    Reputation: 2035

    Try this worked for me Add this dependency to your build.gradle File

    compile 'org.jbundle.util.osgi.wrapped:org.jbundle.util.osgi.wrapped.org.apache.http.client:4.1.2'

    Upvotes: 34

    android_sh
    android_sh

    Reputation: 171

    HttpClient is not supported any more in sdk 23. Android 6.0 (API Level 23) release removes support for the Apache HTTP client. You have to use 

    android {
    useLibrary 'org.apache.http.legacy'
    .
    .
    .

    and also add below code snippet in your dependency :

    //http final solution for web-service (including file uploading)

    compile('org.apache.httpcomponents:httpmime:4.3.6') {
        exclude module: 'httpclient'
}
 compile 'org.apache.httpcomponents:httpclient-android:4.3.5'

    It will also help you while you use Use MultipartEntity for File upload.

    Upvotes: 15

    AndreyICE
    AndreyICE

    Reputation: 3624

    To use Apache HTTP for SDK Level 23:

    Top level build.gradle - /build.gradle

    buildscript {
    ...
    dependencies {
        classpath 'com.android.tools.build:gradle:1.5.0' 
        // Lowest version for useLibrary is 1.3.0
        // Android Studio will notify you about the latest stable version
        // See all versions: http://jcenter.bintray.com/com/android/tools/build/gradle/
    }
    ...
}

    Notification from Android studio about gradle update:

    Notification from Android studio about gradle update

    Module specific build.gradle - /app/build.gradle

    android {
    compileSdkVersion 23
    buildToolsVersion "23.0.2"
    ...
    useLibrary 'org.apache.http.legacy'
    ...
}

    Upvotes: 47

    Kaushal Kishor
    Kaushal Kishor

    Reputation: 481

    Simply use this :-

    android {
         .
         .
         .
 useLibrary 'org.apache.http.legacy'
         .
         .
         .
          }

    Upvotes: 4

    user3766643
    user3766643

    Reputation: 71

    Android 6.0 (API Level 23) release removes support for the Apache HTTP client. Hence you can not use this library directly in API 23. But there is a way to use it. Add useLibrary ‘org.apache.http.legacy’ in your build.gradle file as below-

    android {
    useLibrary 'org.apache.http.legacy'
}

    If this does not work you may apply the following hack-

    – Copy org.apache.http.legacy.jar which is in /platforms/android-23/optional path of your Android SDK directory to your project’s app/libs folder.

    – Now Add compile files(‘libs/org.apache.http.legacy.jar’) inside dependencies{} section of build.gradle file.

    Upvotes: 6

    Pre_hacker
    Pre_hacker

    Reputation: 1362

    Another way is if you have httpclient.jar file then you can do this :

    Paste your .jar file in "libs folder" in your project. Then in gradle add this line in your build.gradle(Module:app)

    dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile 'com.android.support:appcompat-v7:23.0.0'
compile files('libs/httpcore-4.3.3.jar')
}

    Upvotes: 2

    Vinay
    Vinay

    Reputation: 1304

    TejaDroid's answer in below link helped me . Can't import org.apache.http.HttpResponse in Android Studio

    dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    compile 'com.android.support:appcompat-v7:23.0.1'

    compile 'org.jbundle.util.osgi.wrapped:org.jbundle.util.osgi.wrapped.org.apache.http.client:4.1.2'
    ...
}

    Upvotes: 67

    Mostafa Abdellateef
    Mostafa Abdellateef

    Reputation: 1155

    You can simply add this to Gradle dependencies:

    compile "org.apache.httpcomponents:httpcore:4.3.2"

    Upvotes: 6

    Catalin
    Catalin

    Reputation: 1899

    in API 22 they become deprecated and in API 23 they removed them completely, a simple workaround if you don't need all the fancy stuff from the new additions is to simply use the .jar files from apache that were integrated before API 22, but as separated .jar files:

    1. http://hc.apache.org/downloads.cgi
2. download httpclient 4.5.1, the zile file
3. unzip all files
4. drag in your project httpclient-4.5.1.jar, httpcore-4.4.3.jar and httpmime-4.5.1.jar
5. project, right click, open module settings, app, dependencies, +, File dependency and add the 3 files
6. now everything should compile properly

    Upvotes: 7

    Kirtan
    Kirtan

    Reputation: 1812

    ApacheHttp Client is removed in v23 sdk. You can use HttpURLConnection or third party Http Client like OkHttp.

    ref : https://developer.android.com/preview/behavior-changes.html#behavior-apache-http-client

    Upvotes: 5

    John smith
    John smith

    Reputation: 1795

    Which API target do you have within your project?AndroidHttpClientis only for API Level 8 <. and please have a look on here

    enjoy your code:)

    Upvotes: 3

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