FacebookShield.java 文件源码

private void initFBSdk() {
    if (!FacebookSdk.isInitialized()) {
        FacebookSdk.setApplicationId(ApiObjects.facebook.get("app_id"));
        FacebookSdk.sdkInitialize(getActivity().getApplicationContext());
    }
    callbackManager = CallbackManager.Factory.create();

    profileTracker = new ProfileTracker() {
        @Override
        protected void onCurrentProfileChanged(Profile oldProfile, Profile currentProfile) {
            if (eventHandler != null) {
                if (currentProfile != null)
                    eventHandler.onFacebookLoggedIn();
            }
        }
    };
}