Returns the number of times {@link #get} returned a value.

Initializes the DiskBasedCache by scanning for all files currently in the specified root directory. Creates the root directory if necessary.

Invalidates an entry in the cache. @param key Cache key @param fullExpire True to fully expire the entry, false to soft expire

Checks if the item is available in the cache. @param requestUrl The url of the remote image @param maxWidth The maximum width of the returned image. @

Tells that this entity is not streaming. @return <code>false</code>

For caches that do not override {@link #sizeOf}, this returns the maximum number of entries in the cache. For all other caches, this returns the maxim

Returns the number of times {@link #get} returned null or required a new value to be created.

Called when a response is received.

判断是否打开volley的log输出 @param isOpened

add OR condition @param columnName @param op operator: "=","<","LIKE","IN","BETWEEN"... @param value @return

Caches {@code value} for {@code key}. The value is moved to the head of the queue. @return the previous value mapped by {@code key}.

put 请求 @param requestInfo @param httpResult @since 3.5

Returns the number of times {@link #put} was called.

Forces this dispatcher to quit immediately. If any requests are still in the queue, they are not guaranteed to be processed.

Removes the entry for {@code key} if it exists. @return the previous value mapped by {@code key}.

Prepares for the next retry by applying a backoff to the timeout. @param error The error code of the last attempt.