Estou usando o android studio API22 e tenho estes erros:

'org.apache.http.HttpEntity' is deprecated
'org.apache.http.HttpResponse' is deprecated
'org.apache.http.NameValuePair' is deprecated
'org.apache.http.client.HttpClient' is deprecated
'org.apache.http.client.entity.UrlEncodedFormEntity' is deprecated
'org.apache.http.client.methods.HttpPost' is deprecated
'org.apache.http.impl.client.DefaultHttpClient' is deprecated
'org.apache.http.message.BasicNameValuePair' is deprecated
'org.apache.http.params.BasicHttpParams' is deprecated
'org.apache.http.params.HttpConnectionParams' is deprecated
'org.apache.http.params.HttpParams' is deprecated
'org.apache.http.util.EntityUtils' is deprecated

Como posso resolver isso?