Cannot resolve symbol HttpGet HttpClient HttpResponce in Android Studio

Question

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 lt Product gt   productslist  ProductAdapter adapter   Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main         productslist   new ArrayList lt Product gt         new JSONAsyncTask   execute  http   opencart codeniques com myshop  route feed web api products amp id 60 amp 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 lt   gt  parent  View view  int position  long id                Toast makeText getApplicationContext   productslist get position  getName   Toast LENGTH LONG  show                         class JSONAsyncTask extends AsyncTask lt String Void Boolean gt        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  lt  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

User · Answer

That is just in SDK 23  Httpclient and others are deprecated  You can correct it by changing the target SDK version like below   apply plugin   com android application   android       compileSdkVersion 22     buildToolsVersion  22 0 1       defaultConfig           applicationId  vahid hoseini com testclient          minSdkVersion 10         targetSdkVersion 22         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 22 1 1

User · Answer

You just rebuilt your project  compile fileTree dir   libs   include      jar

User · Answer

Please remove all jar files of Http from libs folder and add below dependencies in gradle file    compile  org apache httpcomponents httpclient 4 5  compile  org apache httpcomponents httpcore 4 4 3    Thanks

User · Answer

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      And also add this code    android       useLibrary  org apache http legacy               FYI     Specify requirement for Apache HTTP Legacy library If your app is   targeting API level 28  Android 9 0  or above  you must include the   following declaration within the  element of   AndroidManifest xml      lt uses-library       android name  org apache http legacy        android required  false    gt

User · Answer

please add these codes to your dependencies  It will work    implementation  org jbundle util osgi wrapped org jbundle util osgi wrapped org apache http client 4 1 2     dependencies       implementation fileTree dir   libs   include      jar        testCompile  junit junit 4 12      implementation  com android support appcompat-v7 23 1 0      implementation  com android support design 23 1 0      implementation  com android support cardview-v7 23 1 0      implementation  com android support recyclerview-v7 23 1 0       implementation  org jbundle util osgi wrapped org jbundle util osgi wrapped org apache http client 4 1 2

User · Answer

For me  the below helped  Find org apache http legacy jar which is in Android Sdk platforms android-23 optional  add it to your dependency   Source

User · Answer

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   In dependencies add   compile  org apache httpcomponents httpcore 4 4 1  compile  org apache httpcomponents httpclient 4 5    and also add this  android       useLibrary  org apache http legacy

User · Answer

Google officially suggests to developers to use Volley library for networking related stuff Here  so Its time to switch to Volley  Happy coding

User · Answer

adding this worked for me     compile  org jbundle util osgi wrapped org jbundle util osgi wrapped org apache http client 4 1 2

User · Answer

Just add this line of code in your build gradle file and it will work   implementation  org jbundle util osgi wrapped org jbundle util osgi wrapped org apache http client 4 1 2    Also add these below line if above did not work at all   compile  com google android gms play-services    compile   org apache httpcomponents httpmime 4 2 6        exclude module   httpclient    compile  org apache httpcomponents httpclient 4 2 6   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

User · Answer

HttpClient was deprecated in API Level 22 and removed in API Level 23  You have to use URLConnection

User · Answer

Please remove all jar files of Http from  libs  folder and add below dependencies in gradle file   compile  org apache httpcomponents httpclient 4 5  compile  org apache httpcomponents httpcore 4 4 3    or   useLibrary  org apache http legacy

[android] Cannot resolve symbol HttpGet,HttpClient,HttpResponce in Android Studio

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