本文整理了Java中org.json.JSONObject.optBoolean()方法的一些代码示例，展示了JSONObject.optBoolean()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。JSONObject.optBoolean()方法的具体详情如下：
包路径：org.json.JSONObject
类名称：JSONObject
方法名：optBoolean

JSONObject.optBoolean介绍

[英]Returns the value mapped by name if it exists and is a boolean or can be coerced to a boolean. Returns false otherwise.
[中]返回按名称映射的值（如果该值存在且为布尔值或可以强制为布尔值）。否则返回false。

代码示例

代码示例来源：origin: google/physical-web

/**
 * Get extra boolean value.
 * @param key The key of the stored value.
 * @return The stored value or false if it doesn't exist in specified form.
 */
public boolean optExtraBoolean(String key) {
 return mExtraData.optBoolean(key);
}

代码示例来源：origin: google/physical-web

/**
 * Get extra boolean value.
 * @param key The key of the stored value.
 * @return The stored value or false if it doesn't exist in specified form.
 */
public boolean optExtraBoolean(String key) {
 return mExtraData.optBoolean(key);
}

代码示例来源：origin: google/physical-web

/**
 * Get extra boolean value.
 * @param key The key of the stored value.
 * @param defaultValue The value to return if the key does not exist or the value cannot be
 *     coerced into the necessary type.
 * @return The stored value or the provided default if it doesn't exist in specified form.
 */
public boolean optExtraBoolean(String key, boolean defaultValue) {
 return mExtraData.optBoolean(key, defaultValue);
}

代码示例来源：origin: google/physical-web

/**
 * Get extra boolean value.
 * @param key The key of the stored value.
 * @param defaultValue The value to return if the key does not exist or the value cannot be
 *     coerced into the necessary type.
 * @return The stored value or the provided default if it doesn't exist in specified form.
 */
public boolean optExtraBoolean(String key, boolean defaultValue) {
 return mExtraData.optBoolean(key, defaultValue);
}

代码示例来源：origin: zzz40500/GsonFormat

/**
 * Get an optional boolean associated with a key. It returns false if there
 * is no such key, or if the value is not Boolean.TRUE or the String "true".
 *
 * @param key
 *            A key string.
 * @return The truth.
 */
public boolean optBoolean(String key) {
  return this.optBoolean(key, false);
}

代码示例来源：origin: apache/geode

/**
 * Returns the value mapped by {@code name} if it exists and is a boolean or can be coerced to a
 * boolean, or false otherwise.
 *
 * @param name The name of the field we want.
 * @return The selected value if it exists.
 */
public boolean optBoolean(String name) {
 return optBoolean(name, false);
}

代码示例来源：origin: robovm/robovm

/**
 * Returns the value mapped by {@code name} if it exists and is a boolean or
 * can be coerced to a boolean. Returns false otherwise.
 */
public boolean optBoolean(String name) {
  return optBoolean(name, false);
}

代码示例来源：origin: facebook/facebook-android-sdk

public boolean getBoolean(String field) {
  return jsonData.optBoolean(field);
}

代码示例来源：origin: loklak/loklak_server

/**
 * Get an optional boolean associated with a key. It returns false if there
 * is no such key, or if the value is not Boolean.TRUE or the String "true".
 *
 * @param key
 *            A key string.
 * @return The truth.
 */
public boolean optBoolean(String key) {
  return this.optBoolean(key, false);
}

代码示例来源：origin: apache/geode

public boolean getBoolean(String key) {
 return jsonObject.optBoolean(key);
}

代码示例来源：origin: alibaba/Tangram-Android

public boolean optBoolParam(String key) {
  if (extras.has(key)) {
    return extras.optBoolean(key);
  }
  return style != null && style.extras != null && style.extras.optBoolean(key);
}

代码示例来源：origin: alibaba/Tangram-Android

public boolean optBoolParam(String key) {
  if (extras.has(key))
    return extras.optBoolean(key);
  return style != null && style.extras != null && style.extras.optBoolean(key);
}

代码示例来源：origin: facebook/facebook-android-sdk

public static boolean getGateKeeperForKey(
    final String name,
    final String applicationId,
    final boolean defaultValue) {
  loadAppGateKeepersAsync();
  if (applicationId == null || !fetchedAppGateKeepers.containsKey(applicationId)) {
    return defaultValue;
  }
  return fetchedAppGateKeepers.get(applicationId).optBoolean(name, defaultValue);
}

代码示例来源：origin: facebook/facebook-android-sdk

/**
   * Determines if the open graph object is for posting
   * @param object The open graph object to check
   * @return True if the open graph object was created for posting
   */
  public static boolean isOpenGraphObjectForPost(JSONObject object) {
    return object != null
        ? object.optBoolean(NativeProtocol.OPEN_GRAPH_CREATE_OBJECT_KEY) : false;
  }
}

代码示例来源：origin: facebook/facebook-android-sdk

@Override
  public void onCompleted(GraphResponse response) {
    boolean success = false;
    FacebookRequestError error = response.getError();
    if (error == null) {
      JSONObject jsonObject = response.getJSONObject();
      success = jsonObject.optBoolean("success");
    } else {
      Log.d(TAG, "response error: " + error);
    }
    Log.d(
        TAG,
        "provideCurrentPlaceFeedback: onCompleted: response: success=" + success);
  }
};

代码示例来源：origin: ankidroid/Anki-Android

public void collapseBrowser(long did) {
  try {
    JSONObject deck = get(did);
    boolean collapsed = deck.optBoolean("browserCollapsed", false);
    deck.put("browserCollapsed", !collapsed);
    save(deck);
  } catch (JSONException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: ankidroid/Anki-Android

/**
 * Return an img link for LATEX.
 */
private static String _imgLink(String latex, JSONObject model) {
  String txt = _latexFromHtml(latex);
  String ext = "png";
  if (model.optBoolean("latexsvg", false)) {
    ext = "svg";
  }
  String fname = "latex-" + Utils.checksum(txt) + "." + ext;
  return "<img class=latex src=\"" + fname + "\">";
}

代码示例来源：origin: facebook/facebook-android-sdk

public void testIsOpenGraphObjectForPost() {
    JSONObject jsonObject = mock(JSONObject.class);
    when(jsonObject.optBoolean(NativeProtocol.OPEN_GRAPH_CREATE_OBJECT_KEY)).thenReturn(true);
    assertTrue(GraphUtil.isOpenGraphObjectForPost(jsonObject));
  }
}

代码示例来源：origin: ankidroid/Anki-Android

private void setDeckExpander(ImageButton expander, ImageButton indent, Sched.DeckDueTreeNode node){
  boolean collapsed = mCol.getDecks().get(node.did).optBoolean("collapsed", false);
  // Apply the correct expand/collapse drawable
  if (collapsed) {
    expander.setImageDrawable(mExpandImage);
    expander.setContentDescription(expander.getContext().getString(R.string.expand));
  } else if (node.children.size() > 0) {
    expander.setImageDrawable(mCollapseImage);
    expander.setContentDescription(expander.getContext().getString(R.string.collapse));
  } else {
    expander.setImageDrawable(mNoExpander);
  }
  // Add some indenting for each nested level
  int width = (int) indent.getResources().getDimension(R.dimen.keyline_1) * node.depth;
  indent.setMinimumWidth(width);
}

代码示例来源：origin: ankidroid/Anki-Android

public void fillFlashcard() {
  Timber.d("fillFlashcard()");
  Timber.d("base url = %s", mBaseUrl);
  if (mCard != null) {
    CompatHelper.getCompat().setHTML5MediaAutoPlay(mCard.getSettings(), getConfigForCurrentCard().optBoolean("autoplay"));
    mCard.loadDataWithBaseURL(mBaseUrl + "__viewer__.html", mCardContent.toString(), "text/html", "utf-8", null);
  }
  if (mShowTimer && mCardTimer.getVisibility() == View.INVISIBLE) {
    switchTopBarVisibility(View.VISIBLE);
  }
  if (!sDisplayAnswer) {
    updateForNewCard();
  }
}