Android Open Source - vk-android-sdk V K Sdk Listener

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License

The source code is released under:

MIT License

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Java Source Code

//
//  Copyright (c) 2014 VK.com
///*from   w  w  w.j  a  v a2  s  .c  o m*/
//  Permission is hereby granted, free of charge, to any person obtaining a copy of
//  this software and associated documentation files (the "Software"), to deal in
//  the Software without restriction, including without limitation the rights to
//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
//  the Software, and to permit persons to whom the Software is furnished to do so,
//  subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
//  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

package com.vk.sdk;

import com.vk.sdk.api.VKError;

/**
 * Global SDK events delegate interface.
 */
public abstract class VKSdkListener {
  /**
   * Calls when user must perform captcha-check
   * 
   * @param captchaError error returned from API. You can load captcha image from
   * <b>captchaImg</b> property. After user answered current
   * captcha, call answerCaptcha: method with user entered answer.
   */
  public abstract void onCaptchaError(VKError captchaError);

  /**
   * Notifies listener about existing token has expired
   * 
   * @param expiredToken old token that has expired
   */
  public abstract void onTokenExpired(VKAccessToken expiredToken);

  /**
   * Notifies listener about user authorization cancelation
   * 
   * @param authorizationError error that describes authorization error
   */
  public abstract void onAccessDenied(VKError authorizationError);

  /**
   * Notifies listener about receiving new access token
   * 
   * @param newToken new token for API requests
   */
  public void onReceiveNewToken(VKAccessToken newToken) {
  }

  /**
   * Notifies listener about receiving predefined token
   * 
   * @param token used token for API requests
   */
  public void onAcceptUserToken(VKAccessToken token) {
  }

  /**
   * Notifies listener about renewing access token (for example, user passed validation)
   *
   * @param token used token for API requests
   */
  public void onRenewAccessToken(VKAccessToken token) {
  }

}

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