无法解析符号HTTPGET,HttpClient的,Htt的presponce Android Studio中 [英] Cannot resolve symbol HttpGet,HttpClient,HttpResponce in Android Studio

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问题描述

我只是复制 HTTP 的所有jar文件,但 Android的工作室水湿导入所有这些jar文件。它给出了一个错误:
无法解析符号HTTPGET,HttpClient的,Htt的presponse

我的活动文件是在这里: -

 公共类MainActivity扩展AppCompatActivity {ArrayList的<产品与GT;产品列表;
ProductAdapter适配器;
@覆盖
保护无效的onCreate(捆绑savedInstanceState){
    super.onCreate(savedInstanceState);
    的setContentView(R.layout.activity_main);
    产品列表=新的ArrayList<产品及GT;();
    新JSONAsyncTask().execute(\"http://opencart.$c$cniques.com/myshop/?route=feed/web_api/products&id=60&key=test123\");    ListView控件的ListView =(ListView控件)findViewById(R.id.list);
    适配器=新ProductAdapter(getApplicationContext(),R.layout.row,产品列表);    listView.setAdapter(适配器);    listView.setOnItemClickListener(新AdapterView.OnItemClickListener(){
        @覆盖
        公共无效onItemClick(适配器视图<>母公司,观景,INT位置,长的id){
            Toast.makeText(getApplicationContext(),productslist.get(position).getName(),Toast.LENGTH_LONG).show();
        }
    });
}类JSONAsyncTask扩展的AsyncTask<弦乐,太虚,布尔> {    ProgressDialog对话框;    @覆盖
    在preExecute保护无效(){
        super.on preExecute();
        对话框=新ProgressDialog(MainActivity.this);
        dialog.setMessage(加载中,请稍候);
        dialog.setTitle(连接服务器);
        dialog.show();
        dialog.setCancelable(假);
    }    @覆盖
    保护布尔doInBackground(字符串... PARAMS){
        尝试{
            HTTPGET httppost =新HTTPGET(PARAMS [0]);
            HttpClient的HttpClient的=新DefaultHttpClient();
            HTT presponse响应= httpclient.execute(httppost);            。INT状态= response.getStatusLine()的getStatus code();            如果(状态== 200){
                HttpEntity实体= response.getEntity();
                字符串数据= EntityUtils.toString(实体);                JSONObject的jsono =新的JSONObject(数据);
                JSONArray jarray = jsono.getJSONArray(产品);                的for(int i = 0; I< jarray.length();我++){
                    的JSONObject对象= jarray.getJSONObject(I)                    产品演员=新产品();                    actor.setId(object.getString(ID));
                    actor.setName(object.getString(名字));
                    actor.setDescription(object.getString(说明));
                    actor.setHref(object.getString(的href));
                    actor.setPrice(object.getString(pirce));
                    actor.setImage(object.getString(拇指));
                    actor.setSpecial(object.getString(特));
                    actor.setRating(object.getString(等级));                    productslist.add(演员);
            }
                返回true;
            }
        }赶上(JSONException E){
            Log.e(错误,e.getMessage());
        }赶上(ParseException的E){
            Log.e(错误,e.getMessage());
        }赶上(IOException异常五){
            Log.e(错误,e.getMessage());
        }赶上(例外五){
            Log.e(错误,e.getMessage());
        }
        返回false;
    }
    @覆盖
    保护无效onPostExecute(布尔aBoolean){
        dialog.cancel();
        adapter.notifyDataSetChanged();
        如果(aBoolean == FALSE){
            Toast.makeText(getApplicationContext(),无法读取从服务器上的数据,Toast.LENGTH_LONG).show();
        }
    }
}}

和我在这里的 gradle这个是在这里: -

 应用插件:'com.android.application
安卓{
compileSdkVersion 23
buildToolsVersion22.0.1defaultConfig {
    的applicationIDandroid.catalyst.com.newjsonarray
    16的minSdkVersion
    targetSdkVersion 23
    版本code 1
    的versionName1.0
}
buildTypes {
    发布 {
        minifyEnabled假
        proguardFiles getDefaultProguardFile('proguard的-android.txt'),'proguard-rules.pro
    }}}
依赖{
编译文件树(导演:'库',包括:['的* .jar'])testCompile'的JUnit:JUnit的:4.12
编译com.android.support:appcompat-v7:23.0.1
编译com.android.support:design:23.0.1'}


解决方案

就在您的相关性添加此

 编译org.apache.httpcomponents:的HttpCore:4.4.1
编译org.apache.httpcomponents:HttpClient的:4.5'

最后

  {相关性
编译文件树(导演:'库',包括:['的* .jar'])testCompile'的JUnit:JUnit的:4.12
编译com.android.support:appcompat-v7:23.0.1
编译com.android.support:design:23.0.1
编译org.apache.httpcomponents:的HttpCore:4.4.1
编译org.apache.httpcomponents:HttpClient的:4.5'
}

我希望它会帮助你。

I just copy all the jar files of Http but Android Studio cann't import all these jar files.It gives an error : Cannot resolve symbol HttpGet,HttpClient,HttpResponse.

My Activity file is here:-

public class MainActivity extends AppCompatActivity {

ArrayList<Product>  productslist;
ProductAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    productslist = new ArrayList<Product>();
    new JSONAsyncTask().execute("http://opencart.codeniques.com/myshop/?route=feed/web_api/products&id=60&key=test123");

    ListView listView = (ListView)findViewById(R.id.list);
    adapter = new ProductAdapter(getApplicationContext(),R.layout.row,productslist);

    listView.setAdapter(adapter);

    listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            Toast.makeText(getApplicationContext(),productslist.get(position).getName(),Toast.LENGTH_LONG).show();
        }
    });
}

class JSONAsyncTask extends AsyncTask<String,Void,Boolean>{

    ProgressDialog dialog;

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
        dialog = new ProgressDialog(MainActivity.this);
        dialog.setMessage("Loading, please wait");
        dialog.setTitle("Connecting server");
        dialog.show();
        dialog.setCancelable(false);
    }

    @Override
    protected Boolean doInBackground(String... params) {
        try{
            HttpGet httppost = new HttpGet(params[0]);
            HttpClient httpclient = new DefaultHttpClient();
            HttpResponse response = httpclient.execute(httppost);

            int status = response.getStatusLine().getStatusCode();

            if(status == 200){
                HttpEntity entity = response.getEntity();
                String data = EntityUtils.toString(entity);

                JSONObject jsono = new JSONObject(data);
                JSONArray jarray = jsono.getJSONArray("products");

                for (int i = 0; i < jarray.length(); i++) {
                    JSONObject object = jarray.getJSONObject(i);

                    Product actor = new Product();

                    actor.setId(object.getString("id"));
                    actor.setName(object.getString("name"));
                    actor.setDescription(object.getString("description"));
                    actor.setHref(object.getString("href"));
                    actor.setPrice(object.getString("pirce"));
                    actor.setImage(object.getString("thumb"));
                    actor.setSpecial(object.getString("special"));
                    actor.setRating(object.getString("rating"));

                    productslist.add(actor);
            }
                return  true;
            }
        }catch (JSONException e){
            Log.e("Error :",e.getMessage());
        }catch (ParseException e){
            Log.e("Error :",e.getMessage());
        }catch (IOException e){
            Log.e("Error :",e.getMessage());
        }catch (Exception e){
            Log.e("Error :",e.getMessage());
        }
        return  false;
    }
    @Override
    protected void onPostExecute(Boolean aBoolean) {
        dialog.cancel();
        adapter.notifyDataSetChanged();
        if(aBoolean == false){
            Toast.makeText(getApplicationContext(), "Unable to fetch data from server", Toast.LENGTH_LONG).show();
        }
    }
}}

and here my gradle is here:-

apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "22.0.1"

defaultConfig {
    applicationId "android.catalyst.com.newjsonarray"
    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'])

testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.0.1'
compile 'com.android.support:design:23.0.1'}

解决方案

Just add this in your dependencies

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

Finally

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

testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.0.1'
compile 'com.android.support:design:23.0.1'
compile 'org.apache.httpcomponents:httpcore:4.4.1'
compile 'org.apache.httpcomponents:httpclient:4.5'
}

I hope it will helps you .

这篇关于无法解析符号HTTPGET,HttpClient的,Htt的presponce Android Studio中的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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