facebook instant game 好友排行榜问题
FBInstant.getLeaderboardAsync('Score.' + context.getID())
.then(leaderboard => {
console.log(leaderboard.getName());
return leaderboard.setScoreAsync(42, '{race: "elf", level: 3}');
})
.then(() => console.log('Score saved'))
.catch(error => console.error(error));
context id为null,大家是如何设置,获取FB的好友排行榜的呢?