好的，所以我最近正在尝试摆弄 FB sdk，这给我带来了一些困难。我已经在我自己的设备上运行了代码，它会下载配置文件图片和名称，但现在我想在模拟器上测试它，相同的代码不起作用。为什么会有什么不同？
Ps facebook 应用程序安装在模拟器上，它可以访问网络，所以我看不出有什么问题？这是在同一台机器上运行的，因此设备和模拟器的哈希值相同。
public class main extends Activity {
private UiLifecycleHelper uiLifeCycleHelper;
private boolean isResumed = false;
private ProfilePictureView profilePictureView;
private TextView userNameView;
private static final int REAUTH_ACTIVITY_CODE = 100;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.d("YOSI", "" + this.getClass().getCanonicalName());
// Add code to print out the key hash
try {
PackageInfo info = getPackageManager().getPackageInfo(
"com.activity", PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.d("KeyHash:",
Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
} catch (NameNotFoundException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
Button btn = (Button) findViewById(R.id.button1);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startPickerActivity(PickerActivity.FRIEND_PICKER, 1);
}
});
profilePictureView = (ProfilePictureView) findViewById(R.id.selection_profile_pic);
userNameView = (TextView) findViewById(R.id.selection_user_name);
profilePictureView.setCropped(true);
uiLifeCycleHelper = new UiLifecycleHelper(this, new StatusCallback() {
@Override
public void call(Session session, SessionState state,
Exception exception) {
Log.v("log_tag", "Token=" + session.getAccessToken());
Log.v("log_tag", "Token=" + session.isOpened());
if (session.isOpened()) {
Log.d("SESSION", "Is Opened");
onSessionStateChange(session, state, exception);
}
try {
Log.d("EXCEPTION", "" + exception.getMessage());
}
catch (Exception e) {
e.printStackTrace();
}
}
});
uiLifeCycleHelper.onCreate(savedInstanceState);
}
private void makeMeRequest(final Session session) {
Request request = Request.newMeRequest(session,
new Request.GraphUserCallback() {
@Override
public void onCompleted(GraphUser user, Response response) {
if (session == Session.getActiveSession()) {
if (user != null) {
profilePictureView.setProfileId(user.getId());
userNameView.setText(user.getFirstName());
String json = user.getInnerJSONObject()
.toString();
Log.d("JSON", json);
}
}
if (response.getError() != null) {
}
}
});
request.executeAsync();
}
private void onSessionStateChange(final Session session,
SessionState state, Exception exception) {
if (session != null && session.isOpened()) {
makeMeRequest(session);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode,
resultCode, data);
}
private void startPickerActivity(Uri data, int requestCode) {
Intent intent = new Intent();
intent.setData(data);
intent.setClass(this, PickerActivity.class);
startActivityForResult(intent, requestCode);
}
@Override
public void onResume() {
super.onResume();
uiLifeCycleHelper.onResume();
isResumed = true;
}
@Override
public void onPause() {
super.onPause();
uiLifeCycleHelper.onPause();
isResumed = false;
}
@Override
public void onDestroy() {
super.onDestroy();
uiLifeCycleHelper.onDestroy();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
uiLifeCycleHelper.onSaveInstanceState(outState);
}
}