mirror of
https://github.com/facebook/react-native.git
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Héctor Ramos
1151c096da
Summary: This change drops the year from the copyright headers and the LICENSE file. Reviewed By: yungsters Differential Revision: D9727774 fbshipit-source-id: df4fc1e4390733fe774b1a160dd41b4a3d83302a
45 lines
1.5 KiB
Java
45 lines
1.5 KiB
Java
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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package com.facebook.react.animation;
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import android.view.View;
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/**
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* Interface used to update particular property types during animation. While animation is in
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* progress {@link Animation} instance will call {@link #onUpdate} several times with a value
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* representing animation progress. Normally value will be from 0..1 range, but for spring animation
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* it can slightly exceed that limit due to bounce effect at the start/end of animation.
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*/
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public interface AnimationPropertyUpdater {
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/**
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* This method will be called before animation starts.
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*
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* @param view view that will be animated
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*/
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public void prepare(View view);
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/**
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* This method will be called for each animation frame
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*
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* @param view view to update property
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* @param progress animation progress from 0..1 range (may slightly exceed that limit in case of
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* spring engine) retrieved from {@link Animation} engine.
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*/
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public void onUpdate(View view, float progress);
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/**
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* This method will be called at the end of animation. It should be used to set the final values
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* for animated properties in order to avoid floating point inaccuracy calculated in
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* {@link #onUpdate} by passing value close to 1.0 or in a case some frames got dropped.
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*
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* @param view view to update property
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*/
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public void onFinish(View view);
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}
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