Example usage for android.webkit WebView getHttpAuthUsernamePassword

Introduction

In this page you can find the example usage for android.webkit WebView getHttpAuthUsernamePassword.

Prototype

@Deprecated
@Nullable
public String[] getHttpAuthUsernamePassword(String host, String realm) 

Source Link

Document

Retrieves HTTP authentication credentials for a given host and realm from the WebViewDatabase instance.

Usage

From source file:com.mediaexplorer.remote.MexRemoteActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);/*from w w w. jav a  2  s  .c o m*/

    this.setTitle(R.string.app_name);
    dbg = "MexWebremote";

    text_view = (TextView) findViewById(R.id.text);

    web_view = (WebView) findViewById(R.id.link_view);
    web_view.getSettings().setJavaScriptEnabled(true);/*
                                                      /* Future: setOverScrollMode is API level >8
                                                      * web_view.setOverScrollMode (OVER_SCROLL_NEVER);
                                                      */

    web_view.setBackgroundColor(0);

    web_view.setWebViewClient(new WebViewClient() {
        /* for some reason we only get critical errors so an auth error
         * is not handled here which is why there is some crack that test
         * the connection with a special httpclient
         */
        @Override
        public void onReceivedHttpAuthRequest(final WebView view, final HttpAuthHandler handler,
                final String host, final String realm) {
            String[] userpass = new String[2];

            userpass = view.getHttpAuthUsernamePassword(host, realm);

            HttpResponse response = null;
            HttpGet httpget;
            DefaultHttpClient httpclient;
            String target_host;
            int target_port;

            target_host = MexRemoteActivity.this.target_host;
            target_port = MexRemoteActivity.this.target_port;

            /* We may get null from getHttpAuthUsernamePassword which will
             * break the setCredentials so junk used instead to keep
             * it happy.
             */

            Log.d(dbg, "using the set httpauth, testing auth using client");
            try {
                if (userpass == null) {
                    userpass = new String[2];
                    userpass[0] = "none";
                    userpass[1] = "none";
                }
            } catch (Exception e) {
                userpass = new String[2];
                userpass[0] = "none";
                userpass[1] = "none";
            }

            /* Log.d ("debug",
             *  "trying: GET http://"+userpass[0]+":"+userpass[1]+"@"+target_host+":"+target_port+"/");
             */
            /* We're going to test the authentication credentials that we
             * have before using them so that we can act on the response.
             */

            httpclient = new DefaultHttpClient();

            httpget = new HttpGet("http://" + target_host + ":" + target_port + "/");

            httpclient.getCredentialsProvider().setCredentials(new AuthScope(target_host, target_port),
                    new UsernamePasswordCredentials(userpass[0], userpass[1]));

            try {
                response = httpclient.execute(httpget);
            } catch (IOException e) {
                Log.d(dbg, "Problem executing the http get");
                e.printStackTrace();
            }

            Log.d(dbg, "HTTP reponse:" + Integer.toString(response.getStatusLine().getStatusCode()));
            if (response.getStatusLine().getStatusCode() == 401) {
                /* We got Authentication failed (401) so ask user for u/p */

                /* login dialog box */
                final AlertDialog.Builder logindialog;
                final EditText user;
                final EditText pass;

                LinearLayout layout;
                LayoutParams params;

                TextView label_username;
                TextView label_password;

                logindialog = new AlertDialog.Builder(MexRemoteActivity.this);

                logindialog.setTitle("Mex Webremote login");

                user = new EditText(MexRemoteActivity.this);
                pass = new EditText(MexRemoteActivity.this);

                layout = new LinearLayout(MexRemoteActivity.this);

                pass.setTransformationMethod(new PasswordTransformationMethod());

                layout.setOrientation(LinearLayout.VERTICAL);

                params = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);

                layout.setLayoutParams(params);
                user.setLayoutParams(params);
                pass.setLayoutParams(params);

                label_username = new TextView(MexRemoteActivity.this);
                label_password = new TextView(MexRemoteActivity.this);

                label_username.setText("Username:");
                label_password.setText("Password:");

                layout.addView(label_username);
                layout.addView(user);
                layout.addView(label_password);
                layout.addView(pass);
                logindialog.setView(layout);

                logindialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        dialog.cancel();
                    }
                });

                logindialog.setPositiveButton("Login", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        String uvalue = user.getText().toString().trim();
                        String pvalue = pass.getText().toString().trim();
                        view.setHttpAuthUsernamePassword(host, realm, uvalue, pvalue);

                        handler.proceed(uvalue, pvalue);
                    }
                });
                logindialog.show();
                /* End login dialog box */
            } else /* We didn't get a 401 */
            {
                handler.proceed(userpass[0], userpass[1]);
            }
        } /* End onReceivedHttpAuthRequest */
    }); /* End Override */

    /* Run mdns to check for service in a "runnable" (async) */
    handler.post(new Runnable() {
        public void run() {
            startMdns();
        }
    });

    dialog = ProgressDialog.show(MexRemoteActivity.this, "", "Searching...", true);

    /* Let's put something in the webview while we're waiting */
    String summary = "<html><head><style>body { background-color: #000000; color: #ffffff; }></style></head><body><p>Searching for the media explorer webservice</p><p>More infomation on <a href=\"http://media-explorer.github.com\" >Media Explorer's home page</a></p></body></html>";
    web_view.loadData(summary, "text/html", "utf-8");

}

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