Hi,
I'm trying to integrate facebook in my android application. I followed the
guidelines provided in facebook developers page -
http://developers.facebook.com/docs/mobile/android/build/
I was getting an exception while executing the following code:
if (!facebook.isSessionValid()) {
System.out.println("Facebook:: session invalid");
facebook.authorize((GameActivity) ctx, new String[] {
"read_friendlists", "user_likes", "email", "friends_likes",
"user_interests", "friends_interests" },
new DialogListener() {
@Override
public void onCancel() {
// Function to handle cancel event
System.out.println("Facebook:: event cancelled");
}
@Override
public void onComplete(Bundle values) {
// Function to handle complete event
// Edit Preferences and update facebook acess_token
System.out
.println("Facebook:: setting access token and expire time in preferences");
User user = User.getUser();
if (user != null) {
accessToken = facebook.getAccessToken();
accessExpires = facebook.getAccessExpires();
user.setAccessToken(accessToken);
user.setAccessExpires(accessExpires);
user.updatePrefs();
mPrefs.flush();
getFacebookFriends();
getUserInfo();
}
@Override
public void onError(DialogError error) {
// Function to handle error
System.out.println("Facebook:: Error - "
+ error.getLocalizedMessage());
}
@Override
public void onFacebookError(FacebookError fberror) {
// Function to handle Facebook errors
System.out.println("Facebook:: fbError - code: "
+ fberror.getErrorCode() + " message: "
+ fberror.getLocalizedMessage());
}
});
Exception is:
Can't create handler inside thread that has not called Looper.prepare()
...
...
...
I went through net for this and added Looper.prepare(), Looper.loop() on
either side of the above code like this
Looper.prepare();
FACEBOOK_AUTHORIZATION_CODE;
Looper.loop();
Sometimes it gives the following exception but sometimes it runs fine but
the application freezes (I tried quit() method but it leads to some other
error)
Exception that comes sometimes is:
I/ExceptionHandler( 2504): java.lang.NullPointerException
I/ExceptionHandler( 2504): at
android.webkit.WebView.onWindowFocusChanged(WebView.java:4177)
I/ExceptionHandler( 2504): at
android.view.View.dispatchWindowFocusChanged(View.java:3788)
I/ExceptionHandler( 2504): at
android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:658)
I/ExceptionHandler( 2504): at
android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:662)
I/ExceptionHandler( 2504): at
android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:662)
I/ExceptionHandler( 2504): at
android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:662)
I/ExceptionHandler( 2504): at
android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:662)
I/ExceptionHandler( 2504): at
android.view.ViewRoot.handleMessage(ViewRoot.java:1921)
I/ExceptionHandler( 2504): at
android.os.Handler.dispatchMessage(Handler.java:99)
I/ExceptionHandler( 2504): at android.os.Looper.loop(Looper.java:123)
I/ExceptionHandler( 2504): at
com.kiwi.monstercastle.facebook.MCAndroidFBIntegration.loginToFacebook(MCAndroidFBIntegration.java:151)
Can someone please help on this?
Thanks,
Kamal
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