Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.animation.ValueAnimator;

import android.view.View;

import android.view.ViewGroup;

public class Main {
    public static void expand(View summary) {
        //set Visible
        summary.setVisibility(View.VISIBLE);
        final int widthSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
        summary.measure(widthSpec, 300);
        ValueAnimator mAnimator = slideAnimator(0, 300, summary);
        mAnimator.start();
    }

    private static ValueAnimator slideAnimator(int start, int end, final View summary) {
        ValueAnimator animator = ValueAnimator.ofInt(start, end);
        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator valueAnimator) {
                //Update Height
                int value = (Integer) valueAnimator.getAnimatedValue();

                ViewGroup.LayoutParams layoutParams = summary.getLayoutParams();
                layoutParams.height = value;
                summary.setLayoutParams(layoutParams);
            }
        });
        return animator;
    }
}