Android sets a certificate (user name and password) for HttpClient)

MainActivity is as follows:

Package cc. testhtmlcontent; import java. io. bufferedReader; import java. io. IOException; import java. io. inputStream; import java. io. inputStreamReader; import java. io. unsupportedEncodingException; import java. util. arrayList; import org. apache. http. httpEntity; import org. apache. http. httpResponse; import org. apache. http. httpStatus; import org. apache. http. nameValuePair; import org. apache. http. auth. authScope; import Org. apache. http. auth. usernamePasswordCredentials; import org. apache. http. client. clientProtocolException; import org. apache. http. client. credentialsProvider; import org. apache. http. client. httpClient; import org. apache. http. client. entity. urlEncodedFormEntity; import org. apache. http. client. methods. httpPost; import org. apache. http. impl. client. basicCredentialsProvider; import org. apache. http. impl. client. defaul THttpClient; import org. apache. http. params. httpConnectionParams; import org. apache. http. protocol. HTTP; import android. OS. bundle; import android. app. activity;/*** Demo Description: * 1 set the Certificate for HttpClient (CredentialsProvider certificate provider) * 2 then obtain the HTML content **/public class MainActivity extends Activity {private final String USERNAME = "your username"; private final String PASSWORD = "your password "; private final String URL = "yo Ur url "; @ Overrideprotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. main); getHTMLContent ();} private void getHTMLContent () {try {new Thread (new Runnable () {public void run () {ArrayList <NameValuePair> nameValuePairArrayList = new ArrayList <NameValuePair> (); String HTMLContent = getHTMLContentByPost (nameValuePairArrayList, URL, false); System. o Ut. println ("HTMLContent =" + HTMLContent );}}). start ();} catch (Exception e) {}} public String getHTMLContentByPost (ArrayList <NameValuePair> nameValuePairArrayList, String url, boolean hasCredential) {InputStream inputStream = null; string line = ""; String htmlContentString = ""; HttpPost httpPost = new HttpPost (url); DefaultHttpClient httpClient = new DefaultHttpClient (); // when a certificate is required // configure HttpClient as follows: if (HasCredential) {AuthScope authScope = new AuthScope (AuthScope. ANY_HOST, AuthScope. ANY_PORT); UsernamePasswordCredentials usernamePasswordCredentials = new UsernamePasswordCredentials (USERNAME, PASSWORD); CredentialsProvider credentialsProvider = new role (); credentialsProvider. setCredentials (authScope, usernamePasswordCredentials); httpClient. setCredentialsProvider (credentialsProvider );} Try {HttpConnectionParams. setConnectionTimeout (httpClient. getParams (), 8000); HttpConnectionParams. setSoTimeout (httpClient. getParams (), 9000); HttpConnectionParams. setTcpNoDelay (httpClient. getParams (), true); httpPost. setEntity (new UrlEncodedFormEntity (nameValuePairArrayList, HTTP. UTF_8); HttpResponse httpResponse = httpClient.exe cute (httpPost); if (httpResponse. getStatusLine (). getStatusCode () = H TtpStatus. SC _ OK) {HttpEntity httpEntity = httpResponse. getEntity (); inputStream = httpEntity. getContent (); InputStreamReader inputStreamReader = new InputStreamReader (inputStream, HTTP. UTF_8); BufferedReader bufferedReader = new BufferedReader (inputStreamReader); while (line = bufferedReader. readLine ())! = Null) {htmlContentString + = line ;}} catch (UnsupportedEncodingException e) {e. printStackTrace ();} catch (ClientProtocolException e) {e. printStackTrace ();} catch (IOException e) {e. printStackTrace ();} clientShutdown (httpClient); return htmlContentString;} // close the client link public static void clientShutdown (HttpClient client) {client. getConnectionManager (). shutdown ();}}

 

Main. xml is as follows:

<RelativeLayout xmlns: android = "http://schemas.android.com/apk/res/android" xmlns: tools = "http://schemas.android.com/tools" android: layout_width = "match_parent" android: layout_height = "match_parent"> <TextView android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: text = "Get HTML content" android: layout_centerInParent = "true"/> </RelativeLayout>