/* Copyright (C) 2015-2018 Andreas Shimokawa, Carsten Pfeiffer This file is part of Gadgetbridge. Gadgetbridge is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Gadgetbridge 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see . */ package nodomain.freeyourgadget.gadgetbridge.activities; import android.os.Bundle; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; /** * A base activity that supports paging through fragments by swiping. * Subclasses will have to add a ViewPager to their layout and add something * like this to hook it to the fragments: *

*

 * // Set up the ViewPager with the sections adapter.
 * ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
 * viewPager.setAdapter(getPagerAdapter());
 * 
* * @see AbstractGBFragment */ public abstract class AbstractGBFragmentActivity extends AbstractGBActivity { /** * The {@link android.support.v4.view.PagerAdapter} that will provide * fragments for each of the sections. We use a * {@link FragmentPagerAdapter} derivative, which will keep every * loaded fragment in memory. If this becomes too memory intensive, it * may be best to switch to a * {@link android.support.v4.app.FragmentStatePagerAdapter}. */ private AbstractFragmentPagerAdapter mSectionsPagerAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Create the adapter that will return a fragment for each of the three // primary sections of the activity. mSectionsPagerAdapter = createFragmentPagerAdapter(getSupportFragmentManager()); } public AbstractFragmentPagerAdapter getPagerAdapter() { return mSectionsPagerAdapter; } /** * Creates a PagerAdapter that will create the fragments to be used with this * activity. The fragments should typically extend AbstractGBFragment * * @param fragmentManager * @return */ protected abstract AbstractFragmentPagerAdapter createFragmentPagerAdapter(FragmentManager fragmentManager); }