android - How to bring up a list of live wallpapers -


i in process programming own active wallpaper , ready. accident discovered within single apk can have wallpaper service , ordinary app @ same time. noticed ordinary app arranged when run brings list of live wallpapers , can have toast message saying "click on super wallpaper open it". see example try "ocean" wallpaper on google play.

my question how programatically bring list of live wallpapers ocean does.

this how can list 

 intent lv = new intent(wallpapermanager.action_live_wallpaper_chooser);     //toast     startactivity(lv);

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