SpringScrollViewExample.java

/*
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 * Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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package com.facebook.rebound.playground.examples;

import android.animation.ArgbEvaluator;
import android.content.Context;
import android.graphics.Color;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import android.widget.FrameLayout;

import com.facebook.rebound.playground.R;
import com.facebook.rebound.playground.examples.scrollview.ExampleRowView;

public class SpringScrollViewExample extends FrameLayout {

  private final int ROW_COUNT = 50;

  public SpringScrollViewExample(Context context) {
    super(context);

    LayoutInflater inflater = LayoutInflater.from(context);
    ViewGroup root = (ViewGroup) inflater.inflate(R.layout.spring_scroll_view_example, this, false);
    ViewGroup content = (ViewGroup) root.findViewById(R.id.content_view);
    addView(root);
    setBackgroundColor(Color.argb(255, 50, 50, 50));

    int startColor = Color.argb(255, 255, 64, 230);
    int endColor = Color.argb(255, 0, 174, 255);
    ArgbEvaluator evaluator = new ArgbEvaluator();
    for (int i = 0; i < ROW_COUNT; i++) {
      ExampleRowView exampleRowView = new ExampleRowView(context);
      Integer color = (Integer) evaluator.evaluate((float) i / (float) ROW_COUNT, startColor, endColor);
      exampleRowView.setText("Row " + i);
      exampleRowView.setBackgroundColor(color);
      content.addView(exampleRowView);
    }
  }

}