本文介绍了Android 无法访问 org.apache.http.client.HttpClient的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在使用 android studio 创建一个向服务器发出 GET 请求的应用程序.我的代码是这样的:
I'm using android studio to create an app that makes a GET request to a server. My code is this:
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGetHC4;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
public class HTTPHelper
{
private String base;
public HTTPHelper (String base)
{
this.base = base;
}
public String doGet (String path)
{
try
{
CloseableHttpClient client = HttpClientBuilder.create().build();
HttpGetHC4 get = new HttpGetHC4(path);
CloseableHttpResponse response = client.execute(get);
return "";
}
catch (Exception e)
{
return null;
}
}
}
问题是Android Studio 标记了线
The problem is that Android Studio marks the line
client.execute(get);
有错误:
说无法访问 org.apache.http.client.HttpClient"
saying "Cannot access org.apache.http.client.HttpClient"
这是我的 gradle 文件:
Here's my gradle file:
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "23.0.0"
defaultConfig {
applicationId "principal.halloween"
minSdkVersion 16
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:23.0.0'
compile 'com.pubnub:pubnub-android:3.7.5'
compile 'com.google.code.gson:gson:2.3.1'
compile group: 'org.apache.httpcomponents' , name: 'httpclient-android' , version: '4.3.5.1'
compile 'org.apache.httpcomponents:httpclient:4.3.6'
}
推荐答案
在 Android SDK 23 中
In Android SDK 23
HttpClient 已被弃用,因为它推断,您可以在 HttpURLConnection
HttpClient is deprecated because it inference, you can migrate your code in HttpURLConnection
你可以使用这个,但不再推荐使用
You can use this, but it's not recommended anymore
android {
useLibrary 'org.apache.http.legacy'
}
对于HttpURLConnection
URL url = new URL(urlString);
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("GET");
connection.setDoInput(true);
connection.connect();
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