mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-11-05 01:37:03 +01:00
75 lines
2.3 KiB
Java
75 lines
2.3 KiB
Java
/* Copyright (C) 2015-2024 Andreas Shimokawa, Carsten Pfeiffer, Daniele
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Gobbetti, walkjivefly
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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 androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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/**
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* Abstract base class for fragments. Provides hooks that are called when
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* the fragment is made visible and invisible in the activity. also allows
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* the fragment to define the title to be shown in the activity.
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*
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* @see AbstractGBFragmentActivity
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*/
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public abstract class AbstractGBFragment extends Fragment {
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private boolean mVisibleInActivity;
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/**
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* Called when this fragment has been fully scrolled into the activity.
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*
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* @see #isVisibleInActivity()
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* @see #onMadeInvisibleInActivity()
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*/
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protected void onMadeVisibleInActivity() {
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}
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/**
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* Called when this fragment has been scrolled out of the activity.
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*
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* @see #isVisibleInActivity()
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* @see #onMadeVisibleInActivity()
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*/
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protected void onMadeInvisibleInActivity() {
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mVisibleInActivity = false;
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}
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/**
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* Returns true if this fragment is currently visible in the hosting
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* activity, not taking into account whether the screen is enabled at all.
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*/
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public boolean isVisibleInActivity() {
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return mVisibleInActivity;
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}
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@Nullable
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protected abstract CharSequence getTitle();
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/**
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* Internal
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*
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* @hide
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*/
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public void onMadeVisibleInActivityInternal() {
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mVisibleInActivity = true;
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if (isVisible()) {
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onMadeVisibleInActivity();
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}
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}
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}
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