fb.authorize() never give a login event

问题

I am using the code from the appcelerator docs like this:

var fb = require('facebook');

fb.addEventListener('login', function(e) {

    Ti.API.info("Login event received...");

    if (e.success) {
        alert('login from uid: '+e.uid+', name: '+ JSON.parse(e.data).name);
    }
    else if (e.cancelled) {
        // user cancelled
        alert('cancelled');
    }
    else {
        alert(e.error);
    }
});

Ti.API.info("fb authorize...");
fb.permissions = ['public_profile'];
fb.initialize();
fb.authorize();

But the login event is never fired and nothing happens. Anyone have any idea why?

I am using appcelerator studio 5.2.2.GA and iOS 9.3.1 on iPhone.

回答1:

Please read Additional iOS Setup Steps and initialize module:

var fb = require('facebook');
 fb.permissions = [FACEBOOK_APP_PERMISSIONS];
 fb.initialize();
 fb.authorize()

回答2:

I had a similar problem, I fixed it by adding this line before fb.authorize()

var fbBtn = fb.createLoginButton();

But I never add the button to the UI, just calling that method seems to trigger something.

回答3:

Are you testing on physical device or in simulator? Running in simulator can cause such issue, when it will work perfectly on physical device.

来源：https://stackoverflow.com/questions/36627325/fb-authorize-never-give-a-login-event