Android: Wie lösen <Namevaluepair>, BasicNameValuePair, HTTPParams, HttpConnectionParams

Question

protected Void doInBackground(Void... params) { 
     //server able to receive it 
     ArrayList<NameValuePair> dataToSend = new ArrayList<>(); 
     dataToSend.add(new BasicNameValuePair("username", user.username)); 
     dataToSend.add(new BasicNameValuePair("password", user.password)); 

     HttpParams httpRequestParams = new BasicHttpParams(); 
     HttpConnectionParams.setConnectionTimeout(httpRequestParams, CONNECTION_TIMEOUT); 
     HttpConnectionParams.setSoTimeout(httpRequestParams, CONNECTION_TIMEOUT); 

     HttpClient client = new DefaultHttpClient(httpRequestParams); 
     HttpPost post = new HttpPost(SERVER_ADDRESS + "Register.php"); 

     post.setEntity(); 

     return null; 
    } 

Answer 1

useLibrary in build.gradle(Module:app), ex:

defaultConfig { 
     applicationId "com.example.softwareengineer.robot" 
     minSdkVersion 15 
     targetSdkVersion 24 
     versionCode 1 
     versionName "1.0" 
     useLibrary 'org.apache.http.legacy' 
}