我正在使用Facebook Android SDK來允許SSO。我已經按照Hackbook中的指南和教程進行了操作,但是碰巧手機似乎停留在白色屏幕上,10秒後出現進度對話框,並且過程按預期繼續。Facebook android SDK和白屏
我努力解決這個問題(異步任務,透明佈局),但似乎沒有任何工作。
這是Facebook的活動代碼:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.facebook_activity);
/*
* Get existing access_token if any
*/
mPrefs = getPreferences(MODE_PRIVATE);
String access_token = mPrefs.getString("access_token", null);
long expires = mPrefs.getLong("access_expires", 0);
if (access_token != null) {
facebook.setAccessToken(access_token);
}
if (expires != 0) {
facebook.setAccessExpires(expires);
}
/*
* Only call authorize if the access_token has expired.
*/
// showProgress();
if (!facebook.isSessionValid()) {
authorizeFacebook();
} else {
signalResult();
}
}
private void authorizeFacebook() {
facebook.authorize(this, new String[] { "email", "offline_access",
"publish_stream", "user_about_me" }, new DialogListener() {
@Override
public void onComplete(Bundle values) {
// SharedPreferences.Editor editor = mPrefs.edit();
// editor.putString("access_token",
// facebook.getAccessToken());
// editor.putLong("access_expires",
// facebook.getAccessExpires());
// editor.commit();
signalResult();
// retrieve call obtain information and register
}
@Override
public void onFacebookError(FacebookError error) {
}
@Override
public void onError(DialogError e) {
}
@Override
public void onCancel() {
}
});
}
private void signalResult() {
// retrieve user info
new AsyncFacebookRunner(facebook).request("me",
new AsyncFacebookRunner.RequestListener() {
@Override
public void onMalformedURLException(
MalformedURLException e, Object state) {
authorizeFacebook();
}
@Override
public void onIOException(IOException e, Object state) {
authorizeFacebook();
}
@Override
public void onFileNotFoundException(
FileNotFoundException e, Object state) {
authorizeFacebook();
}
@Override
public void onFacebookError(FacebookError e, Object state) {
authorizeFacebook();
}
@Override
public void onComplete(String response, Object state) {
Intent intent = new Intent();
String accessToken = facebook.getAccessToken();
String id = null;
JSONObject json;
try {
json = new JSONObject(response);
id = json.getString("id");
intent.putExtra(WeOrderApplication.FACEBOOK_USER, id);
intent.putExtra(WeOrderApplication.FACEBOOK,
accessToken);
// hideProgress();
setResult(RESULT_OK, intent);
finish();
} catch (JSONException e) {
authorizeFacebook();
e.printStackTrace();
}
}
});
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
facebook.authorizeCallback(requestCode, resultCode, data);
}
,它是通過一個簡單的StartActivity調用。 facebook_activity是一個沒有任何內容的linearLayout。我爲FacebookActivity設置了一個半透明的主題(android:theme =「@ android:style/Theme.Translucent.NoTitleBar」),使其至少透明,但它也不起作用。
感謝任何人可以幫助解決這個問題。