我已将 facebook sdk v-4 与我的Android应用集成。在这里,我在2个活动中登录了facebook登录。
1)在一项活动中,fb登录通过 LoginButton 完成。成功登录后,fb登录对话框会被facebook sdk自动解除。
代码:
fbLoginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
ProfileTracker profileTracker;
@Override
public void onSuccess(LoginResult loginResult) {
Logger.d("FBLOGIN", "login successful. User ID: "
+ loginResult.getAccessToken().getUserId()
+ "\n" +
"Auth Token: "
+ loginResult.getAccessToken().getToken());
com.facebook.Profile fbProfile = com.facebook.Profile.getCurrentProfile();
if (fbProfile == null) {
profileTracker = new ProfileTracker() {
@Override
protected void onCurrentProfileChanged(com.facebook.Profile oldProfile, com.facebook.Profile currentProfile) {
profileTracker.stopTracking();
doTaskWithFbProfile(currentProfile);
}
};
profileTracker.startTracking();
} else {
doTaskWithFbProfile(fbProfile);
}
}
@Override
public void onCancel() {
Logger.d(TAG, "fb Login attempt canceled.");
}
@Override
public void onError(FacebookException e) {
Logger.e(TAG, "fb Login attempt failed." + e);
Toast.makeText(LoginActivity.this,R.string.str_please_check_your_internet_connection,Toast.LENGTH_LONG).show();
}
});
private void doTaskWithFbProfile(com.facebook.Profile fbProfile) {
Logger.d("FBLOGIN", "id - " + fbProfile.getId());
Logger.d("FBLOGIN", "name - " + fbProfile.getName());
Logger.d("FBLOGIN", "pic - " + fbProfile.getProfilePictureUri(150, 150));
com.android.circlecare.models.common.Profile profile = new com.android.circlecare.models.common.Profile();
profile.setFBID(fbProfile.getId());
profile.setName(fbProfile.getName());
profile.setProfilePhoto(fbProfile.getProfilePictureUri(150, 150).toString());
Intent intent = new Intent(this, LoginWithFacebookActivity.class);
intent.putExtra(LoginWithFacebookActivity.EXTRA_PROFILE, profile);
startActivity(intent);
finish();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
callbackManager.onActivityResult(requestCode, resultCode, data);
}
2)另一方面,我使用 LoginManager 登录fb。成功登录后,登录对话框不会被取消,而是在登录后保持不变,对话框不会再出现。
代码:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(this.getApplicationContext());
mFacebookCallback = new FacebookCallback<LoginResult>() {
ProfileTracker profileTracker;
@Override
public void onSuccess(LoginResult loginResult) {
Profile fbProfile = Profile.getCurrentProfile();
if (fbProfile == null) {
profileTracker = new ProfileTracker() {
@Override
protected void onCurrentProfileChanged(Profile oldProfile, Profile currentProfile) {
profileTracker.stopTracking();
getAllFriends();
}
};
profileTracker.startTracking();
} else {
getAllFriends();
}
}
@Override
public void onCancel() {
Logger.d(TAG, "fb Login attempt canceled.");
}
@Override
public void onError(FacebookException error) {
Logger.d(TAG, "Error : " + error.getMessage());
finish();
}
};
callbackManager = CallbackManager.Factory.create();
if (hasAccess)
getAllFriends();
else
loginWorks();
}
private void loginWorks() {
loginManager = LoginManager.getInstance();
loginManager.registerCallback(callbackManager, mFacebookCallback);
ArrayList<String> publishPermission = new ArrayList<>();
publishPermission.add("publish_pages");
publishPermission.add("publish_actions");
loginManager.logInWithPublishPermissions(this, publishPermission);
ArrayList<String> readPermission = new ArrayList<>();
readPermission.add("user_friends");
readPermission.add("public_profile");
readPermission.add("user_about_me");
loginManager.logInWithReadPermissions(this, readPermission);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode, resultCode, data);
}
我在两种情况下都使用了几乎相同的代码,但我想知道为什么登录对话框在使用LoginManager时不会被解雇。
任何人都可以指出问题或是否有任何api解雇fb登录对话框(网页视图)。
答案 0 :(得分:1)
在你的loginWorks()方法中,你实际上是两次调用登录,这可能实际上显示了两个不同的登录屏幕,以及为什么看到对话框在完成其中一个之后没有消失。尝试删除loginWithPublishPermissions调用,如果确实需要,请将其放入读权限调用的回调中。