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