package se.leap.leapclient; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.DialogFragment; import android.content.DialogInterface; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.widget.EditText; import android.widget.Toast; public class LogInDialog extends DialogFragment { public interface LogInDialogInterface { public void authenticate(String username, String password); } LogInDialogInterface interface_with_Dashboard; public static DialogFragment newInstance() { LogInDialog dialog_fragment = new LogInDialog(); return dialog_fragment; } @Override public void onAttach(Activity activity) { super.onAttach(activity); // Verify that the host activity implements the callback interface try { // Instantiate the NoticeDialogListener so we can send events to the host interface_with_Dashboard = (LogInDialogInterface) activity; } catch (ClassCastException e) { // The activity doesn't implement the interface, throw exception throw new ClassCastException(activity.toString() + " must implement NoticeDialogListener"); } } public Dialog onCreateDialog(Bundle savedInstanceState) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); LayoutInflater inflater = getActivity().getLayoutInflater(); View log_in_dialog_view = inflater.inflate(R.layout.log_in_dialog, null); final EditText username_field = (EditText)log_in_dialog_view.findViewById(R.id.username_entered); final EditText password_field = (EditText)log_in_dialog_view.findViewById(R.id.password_entered); builder.setView(log_in_dialog_view) .setPositiveButton(R.string.log_in_button, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { String username = username_field.getText().toString().trim(); String password = password_field.getText().toString().trim(); if(validPassword(password)) { interface_with_Dashboard.authenticate(username, password); Toast.makeText(getActivity().getApplicationContext(), "Your password is valid", Toast.LENGTH_LONG).show(); } else { password_field.setText(""); Toast.makeText(getActivity().getApplicationContext(), "Your password is not valid: it should have at least 8 characters", Toast.LENGTH_LONG).show(); } } }) .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); // Create the AlertDialog object and return it return builder.create(); } boolean validPassword(String entered_password) { return entered_password.length() > 4; } }