73 lines
2.7 KiB
Java
73 lines
2.7 KiB
Java
/* Copyright (C) 2015-2024 Andreas Shimokawa, Carsten Pfeiffer, Daniele
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Gobbetti
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.activities;
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import android.os.Bundle;
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import androidx.fragment.app.FragmentManager;
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import androidx.fragment.app.FragmentPagerAdapter;
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import androidx.fragment.app.FragmentStatePagerAdapter;
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import androidx.viewpager.widget.PagerAdapter;
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/**
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* A base activity that supports paging through fragments by swiping.
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* Subclasses will have to add a ViewPager to their layout and add something
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* like this to hook it to the fragments:
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* <p/>
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* <pre>
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* // Set up the ViewPager with the sections adapter.
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* ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
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* viewPager.setAdapter(getPagerAdapter());
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* </pre>
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*
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* @see AbstractGBFragment
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*/
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public abstract class AbstractGBFragmentActivity extends AbstractGBActivity {
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/**
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* The {@link PagerAdapter} that will provide
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* fragments for each of the sections. We use a
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* {@link FragmentPagerAdapter} derivative, which will keep every
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* loaded fragment in memory. If this becomes too memory intensive, it
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* may be best to switch to a
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* {@link FragmentStatePagerAdapter}.
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*/
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private AbstractFragmentPagerAdapter mSectionsPagerAdapter;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// Create the adapter that will return a fragment for each of the three
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// primary sections of the activity.
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mSectionsPagerAdapter = createFragmentPagerAdapter(getSupportFragmentManager());
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}
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public AbstractFragmentPagerAdapter getPagerAdapter() {
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return mSectionsPagerAdapter;
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}
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/**
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* Creates a PagerAdapter that will create the fragments to be used with this
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* activity. The fragments should typically extend AbstractGBFragment
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*
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* @param fragmentManager
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* @return
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*/
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protected abstract AbstractFragmentPagerAdapter createFragmentPagerAdapter(FragmentManager fragmentManager);
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}
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