Java tutorial
package com.jkenneth.droidovpn.ui.fragment; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.support.v4.app.FragmentManager; import android.support.v7.app.AlertDialog; import android.webkit.WebView; import com.jkenneth.droidovpn.R; /** * * Copyright (C) 2015 Jhon Kenneth Carino * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * Created by Jhon Kenneth Carino on 10/25/15. */ public class LicensesDialogFragment extends DialogFragment { public LicensesDialogFragment() { } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { WebView webView = new WebView(getActivity()); webView.loadUrl("file:///android_asset/licenses.html"); return new AlertDialog.Builder(getActivity()).setTitle(R.string.open_source_licenses).setView(webView) .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.dismiss(); } }).create(); } @Override public void show(FragmentManager manager, String tag) { if (manager.findFragmentByTag(tag) == null) { super.show(manager, tag); } } }