Lines Matching refs:callback
94 * Attempts to add a callback for a resource.
96 * @param uri the {@link Uri} of the resource for which a callback is
98 * @param callback the callback to register.
99 * @return {@code true} if the callback is guaranteed to be invoked with
101 * callback is not canceled), or {@code false} if the callback
107 public boolean addCallback(Uri uri, ItemLoadedCallback callback) {
109 Log.d(TAG, "Adding image callback " + callback);
114 if (callback == null) {
115 throw new NullPointerException("callback is null");
122 callbacks.add(callback);
126 public void cancelCallback(ItemLoadedCallback callback) {
128 Log.d(TAG, "Cancelling image callback " + callback);
132 callbacks.remove(callback);