Java tutorial
/* * * * Copyright (C) 2014 Open Whisper Systems * * 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/>. * / */ package org.anhonesteffort.flock; import android.app.Activity; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; /** * Programmer: rhodey */ public class IntroductionFragment extends Fragment { private SetupActivity fragmentActivity; @Override public void onAttach(Activity activity) { super.onAttach(activity); if (activity instanceof SetupActivity) this.fragmentActivity = (SetupActivity) activity; else throw new ClassCastException(activity.toString() + " not what I expected D: !"); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_intro, container, false); initButtons(); return view; } private void initButtons() { getActivity().findViewById(R.id.button_next).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { fragmentActivity.updateFragmentUsingState(SetupActivity.STATE_SELECT_SERVICE_PROVIDER); } }); } }