Java tutorial
/* * Copyright (C) 2014-2015 Devin Hussey * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package bander.notepad; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.DialogFragment; import android.view.KeyEvent; import android.widget.Toast; import com.devin.notepad.R; import de.psdev.licensesdialog.LicenseResolver; import de.psdev.licensesdialog.LicensesDialogFragment; import de.psdev.licensesdialog.licenses.GnuLesserGeneralPublicLicense30; /** * DialogFragment to show info about the app. */ public class About extends DialogFragment { public static About newInstance() { return new About(); } @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { return new AlertDialog.Builder(getActivity()) .setIcon(android.R.drawable.ic_dialog_info) .setTitle(R.string.about1) .setMessage(R.string.about2) .setOnKeyListener(new DialogInterface.OnKeyListener() { @Override public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) { if (event.getAction() == 1) { if (keyCode == 24) { Toast.makeText(getActivity(), "\u0057\u006f\u0077\u002c \u0079\u006f" + "\u0075\u0027\u0072\u0065 \u0067\u006f\u006f\u0064\u0021", Toast.LENGTH_LONG).show(); return true; } } return false; } }) .setPositiveButton(R.string.licences, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // LGPLv3 is not included in the library, so we have to register it. LicenseResolver.registerLicense(new GnuLesserGeneralPublicLicense30()); final LicensesDialogFragment fragment = LicensesDialogFragment.newInstance(R.raw.notices, false); fragment.show(getActivity().getSupportFragmentManager(), null); } }) .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { dialog.cancel(); } }).create(); } }