Fragment1.java

package io.netopen.hotbitmapgg.creditsesameringview;

import android.animation.ArgbEvaluator;
import android.animation.ObjectAnimator;
import android.annotation.SuppressLint;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.RelativeLayout;

import java.util.Random;

import io.netopen.hotbitmapgg.view.NewCreditSesameView;

/**
 * Created by hcc on 16/9/2 23:31
 * 100332338@qq.com
 */
public class Fragment1 extends Fragment {

  private final int[] mColors = new int[] {
      0xFFFF80AB,
      0xFFFF4081,
      0xFFFF5177,
      0xFFFF7997
  };

  private RelativeLayout mLayout;

  private NewCreditSesameView newCreditSesameView;

  private Random random = new Random();


  public static Fragment1 newInstance() {

    return new Fragment1();
  }


  @Nullable
  @Override
  @SuppressLint("InflateParams")
  public View onCreateView(LayoutInflater inflater,
                           @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

    View view = inflater.inflate(R.layout.fragment_1, null);
    mLayout = (RelativeLayout) view.findViewById(R.id.layout);
    ImageView mButton = (ImageView) view.findViewById(R.id.btn);
    newCreditSesameView = (NewCreditSesameView) view.findViewById(R.id.sesame_view);
    mLayout.setBackgroundColor(mColors[0]);
    mButton.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View view) {

        int i = random.nextInt(950);
        newCreditSesameView.setSesameValues(i);
        startColorChangeAnim();
      }
    });
    return view;
  }


  public void startColorChangeAnim() {

    ObjectAnimator animator = ObjectAnimator.ofInt(mLayout, "backgroundColor", mColors);
    animator.setDuration(3000);
    animator.setEvaluator(new ArgbEvaluator());
    animator.start();
  }
}