com.android.volley.Request.cancel()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中com.android.volley.Request.cancel方法的一些代码示例，展示了Request.cancel的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Request.cancel方法的具体详情如下：
包路径：com.android.volley.Request
类名称：Request
方法名：cancel

Request.cancel介绍

[英]Mark this request as canceled. No callback will be delivered.
[中]将此请求标记为已取消。不会发送回拨。

代码示例

代码示例来源：origin: bumptech/glide

@Override
public void cancel() {
 Request<byte[]> local = request;
 if (local != null) {
  local.cancel();
 }
}

代码示例来源：origin: chentao0707/SimplifyReader

/**
   * Detatches the bitmap container from the request and cancels the request if no one is
   * left listening.
   * @param container The container to remove from the list
   * @return True if the request was canceled, false otherwise.
   */
  public boolean removeContainerAndCancelIfNecessary(ImageContainer container) {
    mContainers.remove(container);
    if (mContainers.size() == 0) {
      mRequest.cancel();
      return true;
    }
    return false;
  }
}

代码示例来源：origin: mcxiaoke/android-volley

/**
   * Detatches the bitmap container from the request and cancels the request if no one is
   * left listening.
   * @param container The container to remove from the list
   * @return True if the request was canceled, false otherwise.
   */
  public boolean removeContainerAndCancelIfNecessary(ImageContainer container) {
    mContainers.remove(container);
    if (mContainers.size() == 0) {
      mRequest.cancel();
      return true;
    }
    return false;
  }
}

代码示例来源：origin: jiangqqlmj/FastDev4Android

/**
   * Detatches the bitmap container from the request and cancels the request if no one is
   * left listening.
   * @param container The container to remove from the list
   * @return True if the request was canceled, false otherwise.
   */
  public boolean removeContainerAndCancelIfNecessary(ImageContainer container) {
    mContainers.remove(container);
    if (mContainers.size() == 0) {
      mRequest.cancel();
      return true;
    }
    return false;
  }
}

代码示例来源：origin: mcxiaoke/android-volley

@Override
public void cancel() {
  cancel_called = true;
  super.cancel();
}

代码示例来源：origin: chentao0707/SimplifyReader

@Override
public synchronized boolean cancel(boolean mayInterruptIfRunning) {
  if (mRequest == null) {
    return false;
  }
  if (!isDone()) {
    mRequest.cancel();
    return true;
  } else {
    return false;
  }
}

代码示例来源：origin: mcxiaoke/android-volley

@Override
public synchronized boolean cancel(boolean mayInterruptIfRunning) {
  if (mRequest == null) {
    return false;
  }
  if (!isDone()) {
    mRequest.cancel();
    return true;
  } else {
    return false;
  }
}

代码示例来源：origin: chentao0707/SimplifyReader

/**
 * Cancels all requests in this queue for which the given filter applies.
 * @param filter The filtering function to use
 */
public void cancelAll(RequestFilter filter) {
  synchronized (mCurrentRequests) {
    for (Request<?> request : mCurrentRequests) {
      if (filter.apply(request)) {
        request.cancel();
      }
    }
  }
}

代码示例来源：origin: jiangqqlmj/FastDev4Android

@Override
public void cancel() {
  cancel_called = true;
  super.cancel();
}

代码示例来源：origin: mcxiaoke/android-volley

/**
 * Cancels all requests in this queue for which the given filter applies.
 * @param filter The filtering function to use
 */
public void cancelAll(RequestFilter filter) {
  synchronized (mCurrentRequests) {
    for (Request<?> request : mCurrentRequests) {
      if (filter.apply(request)) {
        request.cancel();
      }
    }
  }
}

代码示例来源：origin: jiangqqlmj/FastDev4Android

@Override
public synchronized boolean cancel(boolean mayInterruptIfRunning) {
  if (mRequest == null) {
    return false;
  }
  if (!isDone()) {
    mRequest.cancel();
    return true;
  } else {
    return false;
  }
}

代码示例来源：origin: jiangqqlmj/FastDev4Android

/**
 * Cancels all requests in this queue for which the given filter applies.
 * @param filter The filtering function to use
 */
public void cancelAll(RequestFilter filter) {
  synchronized (mCurrentRequests) {
    for (Request<?> request : mCurrentRequests) {
      if (filter.apply(request)) {
        request.cancel();
      }
    }
  }
}

代码示例来源：origin: mcxiaoke/android-volley

@Test public void cancelAll_onlyCorrectTag() throws Exception {
    RequestQueue queue = new RequestQueue(new NoCache(), mMockNetwork, 0, mDelivery);
    Object tagA = new Object();
    Object tagB = new Object();
    Request req1 = mock(Request.class);
    when(req1.getTag()).thenReturn(tagA);
    Request req2 = mock(Request.class);
    when(req2.getTag()).thenReturn(tagB);
    Request req3 = mock(Request.class);
    when(req3.getTag()).thenReturn(tagA);
    Request req4 = mock(Request.class);
    when(req4.getTag()).thenReturn(tagA);

    queue.add(req1); // A
    queue.add(req2); // B
    queue.add(req3); // A
    queue.cancelAll(tagA);
    queue.add(req4); // A

    verify(req1).cancel(); // A cancelled
    verify(req3).cancel(); // A cancelled
    verify(req2, never()).cancel(); // B not cancelled
    verify(req4, never()).cancel(); // A added after cancel not cancelled
  }
}

代码示例来源：origin: jiangqqlmj/FastDev4Android

@Test public void cancelAll_onlyCorrectTag() throws Exception {
    RequestQueue queue = new RequestQueue(new NoCache(), mMockNetwork, 0, mDelivery);
    Object tagA = new Object();
    Object tagB = new Object();
    Request req1 = mock(Request.class);
    when(req1.getTag()).thenReturn(tagA);
    Request req2 = mock(Request.class);
    when(req2.getTag()).thenReturn(tagB);
    Request req3 = mock(Request.class);
    when(req3.getTag()).thenReturn(tagA);
    Request req4 = mock(Request.class);
    when(req4.getTag()).thenReturn(tagA);

    queue.add(req1); // A
    queue.add(req2); // B
    queue.add(req3); // A
    queue.cancelAll(tagA);
    queue.add(req4); // A

    verify(req1).cancel(); // A cancelled
    verify(req3).cancel(); // A cancelled
    verify(req2, never()).cancel(); // B not cancelled
    verify(req4, never()).cancel(); // A added after cancel not cancelled
  }
}

代码示例来源：origin: mcxiaoke/android-volley

/**
 * Verify RequestFinishedListeners are informed when requests are canceled
 *
 * Needs to be an integration test because relies on Request -> dispatcher -> RequestQueue interaction
 */
@Test public void add_requestFinishedListenerCanceled() throws Exception {
  RequestFinishedListener listener = mock(RequestFinishedListener.class);
  Request request = new MockRequest();
  Answer<NetworkResponse> delayAnswer = new Answer<NetworkResponse>() {
    @Override
    public NetworkResponse answer(InvocationOnMock invocationOnMock) throws Throwable {
      Thread.sleep(200);
      return mock(NetworkResponse.class);
    }
  };
  RequestQueue queue = new RequestQueue(new NoCache(), mMockNetwork, 1, mDelivery);
  when(mMockNetwork.performRequest(request)).thenAnswer(delayAnswer);
  queue.addRequestFinishedListener(listener);
  queue.start();
  queue.add(request);
  request.cancel();
  verify(listener, timeout(100)).onRequestFinished(request);
  queue.stop();
}

代码示例来源：origin: jiangqqlmj/FastDev4Android

/**
 * Verify RequestFinishedListeners are informed when requests are canceled
 *
 * Needs to be an integration test because relies on Request -> dispatcher -> RequestQueue interaction
 */
@Test public void add_requestFinishedListenerCanceled() throws Exception {
  RequestFinishedListener listener = mock(RequestFinishedListener.class);
  Request request = new MockRequest();
  Answer<NetworkResponse> delayAnswer = new Answer<NetworkResponse>() {
    @Override
    public NetworkResponse answer(InvocationOnMock invocationOnMock) throws Throwable {
      Thread.sleep(200);
      return mock(NetworkResponse.class);
    }
  };
  RequestQueue queue = new RequestQueue(new NoCache(), mMockNetwork, 1, mDelivery);
  when(mMockNetwork.performRequest(request)).thenAnswer(delayAnswer);
  queue.addRequestFinishedListener(listener);
  queue.start();
  queue.add(request);
  request.cancel();
  verify(listener, timeout(100)).onRequestFinished(request);
  queue.stop();
}

代码示例来源：origin: panxw/android-volley-manager

@Override
public void cancel() {
  if (this.mRequest != null) {
    this.mRequest.cancel();
  }
}

代码示例来源：origin: panxw/android-volley-manager

@Override
public synchronized boolean cancel(boolean mayInterruptIfRunning) {
  if (mRequest == null) {
    return false;
  }
  if (!isDone()) {
    mRequest.cancel();
    return true;
  } else {
    return false;
  }
}

代码示例来源：origin: xuningjack/AndroidNet

@Override
public synchronized boolean cancel(boolean mayInterruptIfRunning) {
  if (mRequest == null) {
    return false;
  }
  if (!isDone()) {
    mRequest.cancel();
    return true;
  } else {
    return false;
  }
}

代码示例来源：origin: MewX/light-novel-library_Wenku8_Android

@Override
public synchronized boolean cancel(boolean mayInterruptIfRunning) {
  if (mRequest == null) {
    return false;
  }
  if (!isDone()) {
    mRequest.cancel();
    return true;
  } else {
    return false;
  }
}

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