public static final String ACTION_EXPANDED_DESKTOP     = "**expanded_desktop**";
    public static final String ACTION_THEME_SWITCH         = "**theme_switch**";
    public static final String ACTION_KEYGUARD_SEARCH      = "**keyguard_search**";
    public static final String ACTION_PIE                  = "**pie**";
    public static final String ACTION_NAVBAR               = "**nav_bar**";
    public static final String ACTION_IME_NAVIGATION_LEFT  = "**ime_nav_left**";
    public static final String ACTION_IME_NAVIGATION_RIGHT = "**ime_nav_right**";
    public static final String ACTION_IME_NAVIGATION_UP    = "**ime_nav_up**";
    public static final String ACTION_IME_NAVIGATION_DOWN  = "**ime_nav_down**";
    public static final String ACTION_CAMERA               = "**camera**";
    public static final String ACTION_WAKE_DEVICE          = "**wake_device**";