diff options
Diffstat (limited to 'src/com/android/launcher3/LauncherAnimatorUpdateListener.java')
-rw-r--r-- | src/com/android/launcher3/LauncherAnimatorUpdateListener.java | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/com/android/launcher3/LauncherAnimatorUpdateListener.java b/src/com/android/launcher3/LauncherAnimatorUpdateListener.java new file mode 100644 index 000000000..ec9fd4d16 --- /dev/null +++ b/src/com/android/launcher3/LauncherAnimatorUpdateListener.java @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2011 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.launcher3; + +import android.animation.ValueAnimator; +import android.animation.ValueAnimator.AnimatorUpdateListener; + +abstract class LauncherAnimatorUpdateListener implements AnimatorUpdateListener { + public void onAnimationUpdate(ValueAnimator animation) { + final float b = (Float) animation.getAnimatedValue(); + final float a = 1f - b; + onAnimationUpdate(a, b); + } + + abstract void onAnimationUpdate(float a, float b); +}
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