我有一个简单的类写在Android Studio:
package com.mysite.myapp;
import org.apache.http.client.HttpClient;
public class Whatever {
public void headBangingAgainstTheWallExample () {
HttpClient client = new DefaultHttpClient();
}
}
从这里我得到了以下编译时错误:
无法解析HttpClient符号
HttpClient不是包含在Android Studio SDK中吗?即使不是，我也像这样把它添加到我的Gradle构建中:
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:23.0.0'
compile 'org.apache.httpcomponents:httpclient:4.5'
}
不管有没有最后一个编译行，错误都是一样的。我错过了什么?
如果你想导入一些类，比如:
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;
您可以在构建中添加以下行。gradle (gradle依赖项)
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'
}
