Chilkat Examples

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Android™ Web API Examples

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(Android™) ETrade Renew Access Token

Renews an ETrade OAuth access token.

For more information, see https://apisb.etrade.com/docs/api/authorization/renew_access_token.html

Chilkat Android™ Downloads

Android™ Java Libraries

Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();

    http.put_OAuth1(true);
    http.put_OAuthVerifier("");
    http.put_OAuthConsumerKey("ETRADE_CONSUMER_KEY");
    http.put_OAuthConsumerSecret("ETRADE_CONSUMER_SECRET");

    // Load the access token previously obtained via the OAuth1 Authorization
    CkJsonObject jsonToken = new CkJsonObject();
    boolean success = jsonToken.LoadFile("qa_data/tokens/etrade.json");
    if (success != true) {
        Log.i(TAG, "Failed to load OAuth1 token");
        return;
        }

    http.put_OAuthToken(jsonToken.stringOf("oauth_token"));
    http.put_OAuthTokenSecret(jsonToken.stringOf("oauth_token_secret"));

    CkHttpResponse resp = http.QuickGetObj("https://api.etrade.com/oauth/renew_access_token");
    if (http.get_LastMethodSuccess() != true) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    // Make sure a successful response was received.
    if (resp.get_StatusCode() != 200) {
        Log.i(TAG, resp.statusLine());
        Log.i(TAG, resp.header());
        Log.i(TAG, resp.bodyStr());
        return;
        }

    // If successful, the resp.BodyStr contains something like this:
    // oauth_token=%3TiQRgQCRGPo7Xdk6G8QDSEzX0Jsy6sKNcULcDavAGgU%3D&oauth_token_secret=%7RrC9scEpzcwSEMy4vE7nodSzPLqfRINnTNY4voczyFM%3D
    Log.i(TAG, resp.bodyStr());

    CkStringBuilder sbRespBody = new CkStringBuilder();
    resp.GetBodySb(sbRespBody);
    if (sbRespBody.ContentsEqual("Access Token has been renewed",false)) {
        // The documentation at https://apisb.etrade.com/docs/api/authorization/renew_access_token.html
        // indicates that the response should be as described above.  However, the response received when
        // trying to refresh a non-expired token was "Access Token has been renewed"
        Log.i(TAG, "Keeping the same access token, but it's renewed...");
        return;
        }

    CkHashtable hashTab = new CkHashtable();
    hashTab.AddQueryParams(resp.bodyStr());

    String accessToken = hashTab.lookupStr("oauth_token");
    String accessTokenSecret = hashTab.lookupStr("oauth_token_secret");

    // The access token + secret is what should be saved and used for
    // subsequent REST API calls.
    Log.i(TAG, "Access Token = " + accessToken);
    Log.i(TAG, "Access Token Secret = " + accessTokenSecret);

    // Save this access token for future calls.
    // Just in case we need user_id and screen_name, save those also..
    CkJsonObject json = new CkJsonObject();
    json.AppendString("oauth_token",accessToken);
    json.AppendString("oauth_token_secret",accessTokenSecret);

    CkFileAccess fac = new CkFileAccess();
    fac.WriteEntireTextFile("qa_data/tokens/etrade.json",json.emit(),"utf-8",false);

    Log.i(TAG, "Success.");

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

 

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