Android防抖

public class DebounceUtil {
    private static final Handler HANDLER = new Handler(Looper.getMainLooper());

    private static Runnable debounceRunnable = null;

    public static void debounce(long delayMillis, final Runnable task) {
        if (debounceRunnable != null) {
            HANDLER.removeCallbacks(debounceRunnable);
        }
        debounceRunnable = new Runnable() {
            @Override
            public void run() {
                task.run();
                debounceRunnable = null;
            }
        };
        HANDLER.postDelayed(debounceRunnable, delayMillis);
    }
}