Check if device has navigation bar. @return true if device has navigation bar, false otherwise.

Hide widget.

Load music.

Get navigation bar height. @return navigation bar height

Called when album icon clicked.

Called when album icon long clicked.

Called when next track button clicked.

Called when next track button long clicked.

Called when play/pause button long clicked.

Called when playlist button clicked. @return true if you consume the action, false to use default behavior (collapse widget)

Called when playlist button long clicked.

Called when previous track button clicked.

Called when previous track button long clicked.

Set drawable for playlist button. @param playlistDrawable drawable for playlist button

Set progress bar color. @param progressColor progress bar color

Set stroke width of progress bar. Default value: 4dp. @param progressStrokeWidth stroke width of progress bar

Reduce value from startValue to endValue @param startValue start size @param endValue end size @param time time of animation @return new size value

Exponential smoothing (Holt - Winters). @param prevValue previous values in series <code>X[i-1]</code> @param newValue new value in series <code>X[i]<

Get sticky left position. @param screenWidth screen width @return sticky left position

Get sticky right position. @param screenWidth screen width @return sticky right position

Set album cover. @param albumCover album cover or null to set default one

Bind observer to recycler view's adapter. This method must be called after setting adapter to recycler view. @param recyclerView instance of recycler

Called when there is new data to deliver to the client. The super class will take care of delivering it; the implementation here just adds a little m

Check if service is running. @param serviceClass @return

Get current visibility state. @return true if widget shown on screen, false otherwise.

Create new controller. @return new controller

Callback method to be invoked when an item in the RecyclerView has been clicked. @param parent The RecyclerView where the click happened. @param view

Callback method to be invoked when an item in the RecyclerView has been clicked and held. @param parent The RecyclerView where the click happened @pa

Called when playback progress changed. @param position current position of track @param duration duration of track @param percentage value equals to {

Called when playback state is changed. @param oldState old playback state @param newState new playback state @param initiator who initiate changes

Handles a request to stop the Loader.

Called when user touches screen outside view's bounds.

Perform filtering as always. Returned {@link FilterResults} object must be non-null. @param constraint the constraint used to filter the data @return

Prepare configuration for widget. @param builder user defined settings @return new configuration for widget

Register a callback to be invoked when an item in the RecyclerView has been clicked. @param listener The callback that will be invoked.

Set overlapped state. @param overlapped true if widget overlapped, false otherwise

Get status bar height. @return status bar height.

Get sticky bottom position. @param screenHeight screen height @return sticky bottom position

Get sticky top position. @param screenHeight screen height @return sticky top position