我正在尝试将 Facebook 集成到我的 Android 应用程序中,它会关闭并正常登录 Facebook,但是当它尝试将访问令牌传递回应用程序时,它只会返回:
位于 fbconnect://success#access_token= [ACCESS TOKEN]的网页 可能暂时关闭,或者它可能已永久移动到新网址。
显然,[ACCESS TOKEN]
一长串字符在哪里。
我得到了正确的 App ID 并将密钥哈希添加到 facebook。但是我可能错过了什么过程?
代码:
public class FacebookActivity extends Activity {
private static final String APP_ID = "[MY APP ID]";
private static final String[] PERMISSIONS = new String[] {"publish_stream"};
private static final String TOKEN = "access_token";
private static final String EXPIRES = "expires_in";
private static final String KEY = "facebook-credentials";
private Facebook facebook;
private String messageToPost;
public boolean saveCredentials(Facebook facebook) {
Editor editor = getApplicationContext().getSharedPreferences(KEY, Context.MODE_PRIVATE).edit();
editor.putString(TOKEN, facebook.getAccessToken());
editor.putLong(EXPIRES, facebook.getAccessExpires());
return editor.commit();
}
public boolean restoreCredentials(Facebook facebook) {
SharedPreferences sharedPreferences = getApplicationContext().getSharedPreferences(KEY, Context.MODE_PRIVATE);
facebook.setAccessToken(sharedPreferences.getString(TOKEN, null));
facebook.setAccessExpires(sharedPreferences.getLong(EXPIRES, 0));
return facebook.isSessionValid();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
facebook = new Facebook();
restoreCredentials(facebook);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_facebook);
String facebookMessage = getIntent().getStringExtra("facebookMessage");
if (facebookMessage == null){
facebookMessage = "Test wall post";
}
messageToPost = facebookMessage;
if (! facebook.isSessionValid()) {
loginAndPostToWall();
}
else {
postToWall(messageToPost);
}
}
public void loginAndPostToWall(){
facebook.authorize(this, APP_ID, PERMISSIONS, new LoginDialogListener());
}
public void postToWall(String message){
Bundle parameters = new Bundle();
parameters.putString("message", message);
parameters.putString("description", "topic share");
try {
facebook.request("me");
String response = facebook.request("me/feed", parameters, "POST");
Log.d("Tests", "got response: " + response);
if (response == null || response.equals("") ||
response.equals("false")) {
showToast("Blank response.");
}
else {
showToast("Message posted to your facebook wall!");
}
finish();
} catch (Exception e) {
showToast("Failed to post to wall!");
e.printStackTrace();
finish();
}
}
class LoginDialogListener implements DialogListener {
@Override
public void onComplete(Bundle values) {
saveCredentials(facebook);
if (messageToPost != null){
postToWall(messageToPost);
}
}
public void onFacebookError(FacebookError error) {
showToast("Authentication with Facebook failed!");
finish();
}
public void onError(DialogError error) {
showToast("Authentication with Facebook failed!");
finish();
}
public void onCancel() {
showToast("Authentication with Facebook cancelled!");
finish();
}
}
private void showToast(String message){
Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT).show();
}
}
Android 开发新手,所以我确信这很简单。