Failed to generate preview for user -- Facebook android SDK 4.2 -


i'm working on sharing place on facebook.

here's code

// create object             shareopengraphobject object = new shareopengraphobject.builder()                     .putstring("og:type", "anewplace")                     .putstring("og:title", "paris")                     .putdouble("place:location:latitude", 10.7672788)                     .putdouble("place:location:longitude", 106.6877127)                     .build();              // create action             shareopengraphaction action = new shareopengraphaction.builder()                     .setactiontype("come")                     .putobject("anewplace", object)                     .build();              // create content             shareopengraphcontent content = new shareopengraphcontent.builder()                     .setpreviewpropertyname("anewplace")                     .setaction(action)                     .build();               sharebutton sharebutton = new sharebutton(this);             sharebutton.setsharecontent(content);             sharebutton.registercallback(callbackmanager, new facebookcallback<sharer.result>() {                  @override                 public void onsuccess(sharer.result result) {                     log.i(tag, "sharing success!");                 }                  @override                 public void onerror(facebookexception error) {                     log.e(tag, "sharing error! - " + error.getmessage());                 }                  @override                 public void oncancel() {                     log.w(tag, "sharing cancel!");                 }             });              sharebutton.performclick();

i got error : failed generate preview user

i followed documentation create custom story

please :) thanks

thanh

i found way :)

for action, should format "app_name:action_name" , object, should "app_name:object_name"


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