content: /*
   * Copyright (C) 2018 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.google.androidstudio.motionlayoutexample.helpers;
  
  import android.content.Context;
  import android.util.AttributeSet;
  import android.view.View;
  
  import androidx.constraintlayout.motion.widget.MotionHelper;
  
  public class FadeIn extends MotionHelper {
  
      public FadeIn(Context context) {
          super(context);
      }
  
      public FadeIn(Context context, AttributeSet attrs) {
          super(context, attrs);
      }
  
      public FadeIn(Context context, AttributeSet attrs, int defStyleAttr) {
          super(context, attrs, defStyleAttr);
      }
  
      @Override
      public void setProgress(View view, float progress) {
          view.setAlpha(progress);
      }
  }
  