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/*
* Copyright (C) 2014 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.phone.common.animation;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.view.View;
import android.view.ViewPropertyAnimator;
import android.view.animation.Interpolator;
import android.view.animation.PathInterpolator;
public class AnimUtils {
public static final int DEFAULT_DURATION = -1;
public static final Interpolator EASE_IN = new PathInterpolator(0.0f, 0.0f, 0.2f, 1.0f);
public static final Interpolator EASE_OUT = new PathInterpolator(0.4f, 0.0f, 1.0f, 1.0f);
public static final Interpolator EASE_OUT_EASE_IN = new PathInterpolator(0.4f, 0, 0.2f, 1);
public static class AnimationCallback {
public void onAnimationEnd() {}
public void onAnimationCancel() {}
}
public static void crossFadeViews(View fadeIn, View fadeOut, int duration) {
fadeIn(fadeIn, duration);
fadeOut(fadeOut, duration);
}
public static void fadeOut(View fadeOut, int duration) {
fadeOut(fadeOut, duration, null);
}
public static void fadeOut(final View fadeOut, int duration, final AnimationCallback callback) {
fadeOut.setAlpha(1);
final ViewPropertyAnimator animator = fadeOut.animate();
animator.cancel();
animator.alpha(0).withLayer().setListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
fadeOut.setVisibility(View.GONE);
if (callback != null) {
callback.onAnimationEnd();
}
}
@Override
public void onAnimationCancel(Animator animation) {
fadeOut.setVisibility(View.GONE);
fadeOut.setAlpha(0);
if (callback != null) {
callback.onAnimationCancel();
}
}
});
if (duration != DEFAULT_DURATION) {
animator.setDuration(duration);
}
animator.start();
}
public static void fadeIn(View fadeIn, int duration) {
fadeIn(fadeIn, duration, null);
}
public static void fadeIn(final View fadeIn, int duration, final AnimationCallback callback) {
fadeIn.setAlpha(0);
final ViewPropertyAnimator animator = fadeIn.animate();
animator.cancel();
animator.alpha(1).withLayer().setListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
fadeIn.setVisibility(View.VISIBLE);
}
@Override
public void onAnimationCancel(Animator animation) {
fadeIn.setAlpha(1);
if (callback != null) {
callback.onAnimationCancel();
}
}
@Override
public void onAnimationEnd(Animator animation) {
if (callback != null) {
callback.onAnimationEnd();
}
}
});
if (duration != DEFAULT_DURATION) {
animator.setDuration(duration);
}
animator.start();
}
}
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