Set the amount of rotation to apply to the progress spinner. @param rotation Rotation is from [0..1]

Notify the widget that refresh state has changed. Do not call this when refresh is triggered by a swipe gesture. @param refreshing Whether or not the

@param strokeWidth Set the stroke width of the progress spinner in pixels.

Constructor @param context The current context.

@param adapter the sticky header adapter to use

Simple constructor to use when creating a SwipeRefreshLayout from code. @param context

Add the onItemTouchListener for the recycler @param listener

Remove the adapter from the recycler

触发清空

Clears the header view cache. Headers will be recreated and rebound on list scroll after this method has been called.

This method converts device specific pixels to density independent pixels. @param px A value in px (pixels) unit. Which we need to convert into db @p

Draw the progress spinner

@return Current alpha of the progress spinner and arrowhead.

Returns the context associated with this array adapter. The context is used to create views from the resource passed to the constructor. @return The

@return inflated empty view or null

@return inflated error view or null

{@inheritDoc}

Returns the position of the specified item in the array. @param item The item to retrieve the position of. @return The position of the specified ite

Get the diameter of the progress circle that is displayed as part of the swipe to refresh layout. @return Diameter in pixels of the progress circle v

@return inflated progress view or null

@return The offset in pixels from the top of this view at which the progress spinner should come to rest after a successful swipe gesture.

@return The offset in pixels from the top of this view at which the progress spinner should appear.