91 lines
3.1 KiB
Java
91 lines
3.1 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settingslib.transition;
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import android.app.Activity;
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import androidx.annotation.IntDef;
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import androidx.fragment.app.Fragment;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/**
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* A helper class to apply Settings Transition
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*/
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public class SettingsTransitionHelper {
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/**
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* Flags indicating the type of the transition.
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*/
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@IntDef({
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TransitionType.TRANSITION_NONE,
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TransitionType.TRANSITION_SHARED_AXIS,
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TransitionType.TRANSITION_SLIDE,
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TransitionType.TRANSITION_FADE
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})
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@Retention(RetentionPolicy.SOURCE)
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public @interface TransitionType {
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int TRANSITION_NONE = -1;
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int TRANSITION_SHARED_AXIS = 0;
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int TRANSITION_SLIDE = 1;
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int TRANSITION_FADE = 2;
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}
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public static final String EXTRA_PAGE_TRANSITION_TYPE = "page_transition_type";
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private static final String TAG = "SettingsTransitionHelper";
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/**
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* Apply the forward transition to the {@link Activity}, including Exit Transition and Enter
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* Transition.
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*
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* The Exit Transition takes effect when leaving the page, while the Enter Transition is
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* triggered when the page is launched/entering.
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*/
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public static void applyForwardTransition(Activity activity) {}
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/**
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* Apply the forward transition to the {@link Fragment}, including Exit Transition and Enter
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* Transition.
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*
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* The Exit Transition takes effect when leaving the page, while the Enter Transition is
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* triggered when the page is launched/entering.
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*/
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public static void applyForwardTransition(Fragment fragment) {}
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/**
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* Apply the backward transition to the {@link Activity}, including Return Transition and
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* Reenter Transition.
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*
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* Return Transition will be used to move Views out of the scene when the Window is preparing
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* to close. Reenter Transition will be used to move Views in to the scene when returning from a
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* previously-started Activity.
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*/
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public static void applyBackwardTransition(Activity activity) {}
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/**
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* Apply the backward transition to the {@link Fragment}, including Return Transition and
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* Reenter Transition.
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*
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* Return Transition will be used to move Views out of the scene when the Window is preparing
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* to close. Reenter Transition will be used to move Views in to the scene when returning from a
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* previously-started Fragment.
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*/
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public static void applyBackwardTransition(Fragment fragment) {}
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}
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