Android 程序包org.apache.http不存在，解决方式

矫情吗；* 2021-11-17 10:42 681阅读 0赞

项目中类报红，提示找不到该类。

import org.apache.http.HttpEntity;
    import org.apache.http.HttpResponse;
    import org.apache.http.NameValuePair;
    import org.apache.http.client.HttpClient;
    import org.apache.http.client.methods.HttpDelete;
    import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
    import org.apache.http.client.methods.HttpGet;
    import org.apache.http.client.methods.HttpPost;
    import org.apache.http.client.methods.HttpPut;
    import org.apache.http.client.methods.HttpUriRequest;
    import org.apache.http.entity.ByteArrayEntity;
    import org.apache.http.message.BasicNameValuePair;
    import org.apache.http.params.HttpConnectionParams;
    import org.apache.http.params.HttpParams;

报错：

错误: 程序包org.apache.http.impl.cookie不存在
    import org.apache.http.impl.cookie.DateUtils;
    
    错误: 程序包org.apache.http.client不存在
    import org.apache.http.client.HttpClient;
    
    错误: 程序包org.apache.http.client.methods不存在
    import org.apache.http.client.methods.HttpDelete;
    
    错误: 程序包org.apache.http.client.methods不存在
    import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
    
    错误: 程序包org.apache.http.client.methods不存在
    import org.apache.http.client.methods.HttpGet;
    
    错误: 程序包org.apache.http.client.methods不存在
    import org.apache.http.client.methods.HttpPost;
    
    错误: 程序包org.apache.http.client.methods不存在
    import org.apache.http.client.methods.HttpPut;
    
    错误: 程序包org.apache.http.client.methods不存在
    import org.apache.http.client.methods.HttpUriRequest;
    
    错误: 找不到符号
        protected final HttpClient mClient;
    
    错误: 找不到符号
        public HttpClientStack(HttpClient client) {
                               ^
      符号:   类 HttpClient
      位置: 类 HttpClientStack
    错误: 找不到符号
        private static void addHeaders(HttpUriRequest httpRequest, Map<String, String> headers) {
                                       ^
      符号:   类 HttpUriRequest
      位置: 类 HttpClientStack

解决方法：

在项目build.gradle中  
在buildToolsVersion下边  
defaultConfig上边

添加如下代码

useLibrary 'org.apache.http.legacy'

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书到用时方恨少，纸上得来终觉浅。欢迎指正。

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