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Android Reference

AsyncRunner


android.filterfw.core

Class AsyncRunner

    • Constructor Detail

      • AsyncRunner

        public AsyncRunner(FilterContext context,
                   Class schedulerClass)
        Create a new asynchronous graph runner with the given filter context, and the given scheduler class. Must be created on the UI thread.
      • AsyncRunner

        public AsyncRunner(FilterContext context)
        Create a new asynchronous graph runner with the given filter context. Uses a default scheduler. Must be created on the UI thread.
    • Method Detail

      • setDoneCallback

        public void setDoneCallback(GraphRunner.OnRunnerDoneListener listener)
        Set a callback to be called in the UI thread once the AsyncRunner completes running a graph, whether the completion is due to a stop() call or the filters running out of data to process.
        Specified by:
        setDoneCallback in class GraphRunner
      • setGraph

        public void setGraph(FilterGraph graph)
        Sets the graph to be run. Will call prepare() on graph. Cannot be called when a graph is already running.
      • run

        public void run()
        Execute the graph in a background thread.
        Specified by:
        run in class GraphRunner
      • stop

        public void stop()
        Stop graph execution. This is an asynchronous call; register a callback with setDoneCallback to be notified of when the background processing has been completed. Calling stop will close the filter graph.
        Specified by:
        stop in class GraphRunner
      • close

        public void close()
        Description copied from class: GraphRunner
        Closes the filters in a graph. Can only be called if the graph is not running.
        Specified by:
        close in class GraphRunner
      • isRunning

        public boolean isRunning()
        Check if background processing is happening
        Specified by:
        isRunning in class GraphRunner
      • getError

        public Exception getError()
        Description copied from class: GraphRunner
        Returns the last exception that happened during an asynchronous run. Returns null if there is nothing to report.
        Specified by:
        getError in class GraphRunner


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