Java tutorial
/* * Copyright 2011-2014 the original author or authors. * * 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 com.matthewmitchell.peercoin_android_wallet.ui; import android.app.Fragment; import android.app.FragmentManager; import android.os.Bundle; import android.support.v13.app.FragmentStatePagerAdapter; import android.support.v4.view.ViewPager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import com.matthewmitchell.peercoin_android_wallet.ui.TransactionsListFragment.Direction; import com.matthewmitchell.peercoin_android_wallet.util.ViewPagerTabs; import com.matthewmitchell.peercoin_android_wallet.R; /** * @author Andreas Schildbach */ public final class WalletTransactionsFragment extends Fragment { private static final int INITIAL_PAGE = 1; @Override public void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); } @Override public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) { final View view = inflater.inflate(R.layout.wallet_transactions_fragment, container, false); final ViewPagerTabs pagerTabs = (ViewPagerTabs) view.findViewById(R.id.transactions_pager_tabs); pagerTabs.addTabLabels(R.string.wallet_transactions_fragment_tab_received, R.string.wallet_transactions_fragment_tab_all, R.string.wallet_transactions_fragment_tab_sent); final PagerAdapter pagerAdapter = new PagerAdapter(getFragmentManager()); final ViewPager pager = (ViewPager) view.findViewById(R.id.transactions_pager); pager.setAdapter(pagerAdapter); pager.setOnPageChangeListener(pagerTabs); pager.setCurrentItem(INITIAL_PAGE); pager.setPageMargin(2); pager.setPageMarginDrawable(R.color.bg_less_bright); pagerTabs.onPageScrolled(INITIAL_PAGE, 0, 0); // should not be needed return view; } private static class PagerAdapter extends FragmentStatePagerAdapter { public PagerAdapter(final FragmentManager fm) { super(fm); } @Override public int getCount() { return 3; } @Override public Fragment getItem(final int position) { final Direction direction; if (position == 0) direction = Direction.RECEIVED; else if (position == 1) direction = null; else if (position == 2) direction = Direction.SENT; else throw new IllegalStateException(); return TransactionsListFragment.instance(direction); } } }