content: /*
   * 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.lb.launcher;
  
  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);
  }