Android Facebook登录注销在尝试再次登录时出现无效密钥哈希错误
我有一个简单的Facebook登录注销活动,正在成功运行 然而,在我从应用程序中注销后,我尝试再次登录,但facebook给出了无效密钥哈希错误 请注意,我第一次成功登录并注销,但在我注销并尝试再次登录后,Facebook会给出该错误。应该怎么做 谢谢你的关注 这是我的密码:Android Facebook登录注销在尝试再次登录时出现无效密钥哈希错误,android,facebook-graph-api,facebook-login,Android,Facebook Graph Api,Facebook Login,我有一个简单的Facebook登录注销活动,正在成功运行 然而,在我从应用程序中注销后,我尝试再次登录,但facebook给出了无效密钥哈希错误 请注意,我第一次成功登录并注销,但在我注销并尝试再次登录后,Facebook会给出该错误。应该怎么做 谢谢你的关注 这是我的密码: public class MainFragment extends Fragment { private static final String TAG = MainFragment.class.getSimpleNam
public class MainFragment extends Fragment {
private static final String TAG = MainFragment.class.getSimpleName();
private UiLifecycleHelper uiHelper;
private final List<String> permissions;
public MainFragment() {
permissions = Arrays.asList("user_status");
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
uiHelper = new UiLifecycleHelper(getActivity(), callback);
uiHelper.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.activity_main, container, false);
LoginButton authButton = (LoginButton) view.findViewById(R.id.authButton);
authButton.setFragment(this);
authButton.setReadPermissions(permissions);
return view;
}
@Override
public void onResume() {
super.onResume();
// For scenarios where the main activity is launched and user
// session is not null, the session state change notification
// may not be triggered. Trigger it if it's open/closed.
Session session = Session.getActiveSession();
if (session != null &&
(session.isOpened() || session.isClosed()) ) {
onSessionStateChange(session, session.getState(), null);
}
uiHelper.onResume();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data);
}
@Override
public void onPause() {
super.onPause();
uiHelper.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
uiHelper.onDestroy();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
uiHelper.onSaveInstanceState(outState);
}
private void onSessionStateChange(Session session, SessionState state,
Exception exception) {
if (state.isOpened()) {
Log.i(TAG, "Logged in...");
} else if (state.isClosed()) {
if (Session.getActiveSession() != null) {
Session.getActiveSession().closeAndClearTokenInformation();
}
Session.setActiveSession(null);
Log.i(TAG, "Logged out...");
}
}
private Session.StatusCallback callback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state,
Exception exception) {
onSessionStateChange(session, state, exception);
}
};
public类MainFragment扩展片段{
私有静态最终字符串标记=MainFragment.class.getSimpleName();
私人UiLifecycleHelper uiHelper;
私有最终列表权限;
公共MainFragment(){
权限=Arrays.asList(“用户_状态”);
}
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
uiHelper=newUILifecycleHelper(getActivity(),回调);
uiHelper.onCreate(savedInstanceState);
}
@凌驾
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
视图=充气机。充气(R.layout.activity\u main,容器,错误);
LoginButton authButton=(LoginButton)view.findViewById(R.id.authButton);
setFragment(this);
authButton.setReadPermissions(权限);
返回视图;
}
@凌驾
恢复时公开作废(){
super.onResume();
//对于启动主活动的场景和用户
//会话不为null,会话状态更改通知
//可能未触发。如果打开/关闭,则触发它。
Session=Session.getActiveSession();
if(会话!=null&&
(session.isOpened()| | session.isClosed()){
onSessionStateChange(会话,session.getState(),null);
}
uiHelper.onResume();
}
@凌驾
ActivityResult上的公共void(int请求代码、int结果代码、意图数据){
super.onActivityResult(请求代码、结果代码、数据);
onActivityResult(请求代码、结果代码、数据);
}
@凌驾
公共无效暂停(){
super.onPause();
uiHelper.onPause();
}
@凌驾
公共空间{
super.ondestory();
uiHelper.ondestory();
}
@凌驾
SaveInstanceState上的公共无效(束超出状态){
super.onSaveInstanceState(超出状态);
uiHelper.onSaveInstanceState(outState);
}
private void onSessionState更改(会话、会话状态、,
例外情况(例外情况){
if(state.isOpened()){
Log.i(标记“登录…”);
}else if(state.isClosed()){
if(Session.getActiveSession()!=null){
Session.getActiveSession().closeAndClearTokenInformation();
}
Session.setActiveSession(null);
Log.i(标记“注销…”);
}
}
private Session.StatusCallback callback=新建会话.StatusCallback(){
@凌驾
公共无效调用(会话、会话状态、,
例外情况(例外情况){
onSessionStateChange(会话、状态、异常);
}
};
}假设您已经将keyhash添加到facebook应用程序中 确保在设置->Android中。在“类名”字段中,您的第一个活动是所有包。 例子: com.yourcompany.yourapp.MyFirstActivity