42 lines
1.3 KiB
Java
42 lines
1.3 KiB
Java
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/*
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* Copyright (C) 2017 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 android.app;
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import android.annotation.SystemApi;
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/**
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* Listens to VR Mode state changes. Use with methods in {@link VrManager}.
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*
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* @hide
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*/
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@SystemApi
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public abstract class VrStateCallback {
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/**
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* Callback triggered when there is a change to Persistent VR State.
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*
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* @param enabled True when VR State is in persistent mode, false otherwise.
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*/
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public void onPersistentVrStateChanged(boolean enabled) {}
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/**
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* Callback triggered when there is a change to Vr State.
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*
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* @param enabled True when VR State is in VR mode, false otherwise.
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*/
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public void onVrStateChanged(boolean enabled) {}
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}
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