For confidentiality reason, users are required to login before they have access to most of the UBIK features.
== Accessing Login Dialog login dialog ==[[File:UI_Android_LoginButtonInStartMenu.jpg|thumb|alt=Login button in the start menu|Login button in the start menu]]
Near the bottom of the start menu which users see immediately after launching UBIK application, there is a {{key press|Login}} button. Clicking it opens the Login Dialog.
== Logging in ==[[File:UI_Android_LoginButtonInStartMenuUI_Android_LoginDialog.pngjpg|thumb|alt=Login Button dialog|Login dialog]]In the login dialog, users can provide their credentials in order to identify themselves. If the Start Menuauthentication is successful, the dialog will be dismissed and users will have access to all the UBIK features. Otherwise, the error details will be given in the dialog. === Logging in with the current UBIK settings ===[[File:UI_Android_LoginProgressDialog.jpg|thumb|alt=Login Button dialog|Login dialog]]If all the UBIK setting values are already configured correctly before login, users can simply click the {{key press|Login}} button in the Start Menudialog. During the time of authentication, there will be a progress dialog displayed. Once users' identities are confirmed, both dialogs will be dismissed. === Logging in with a selected [[Preset]] ===[[File:UI_Android_LoadPresetDuringLogin.jpg|thumb|alt=Login dialog|Login dialog]]It is also possible to specify a collection of setting values to use during login. In this case, simply click the {{key press|Load Preset}} button. A preset selection dialog will then be shown.After choosing the desired preset, users can click the {{key press|Login}} button in the selection dialog to trigger the authentication. == Authentication messages ===== No user input ===[[File:UI_Android_LoginDialogNoInput.jpg|thumb|alt=Login dialog|Login dialog]] === Password missing ===[[File:UI_Android_LoginDialogNoPassword.jpg|thumb|alt=Login dialog|Login dialog]] === Invalid user credentials ===[[File:UI_Android_LoginDialogInvalidInput.jpg|thumb|alt=Login dialog|Login dialog]]