Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.app.Activity;

import android.view.View;
import android.view.ViewGroup;

import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnticipateOvershootInterpolator;
import android.view.animation.Interpolator;

import android.view.animation.Transformation;

public class Main {
    private static final int ANIMATION_DURATION = 300;

    public static void animateHeight(final View animated, final int from, final int to, final long duration,
            final Interpolator interpolator, final AnimationListener animationListener) {
        final Animation animation = new Animation() {
            @Override
            protected void applyTransformation(float interpolatedTime, Transformation t) {
                final int newHeight = (int) (from + (to - from) * interpolatedTime);
                setHeight(animated, newHeight);
            }

            @Override
            public boolean willChangeBounds() {
                return true;
            }
        };
        animation.setDuration(duration);
        animation.setInterpolator(interpolator);
        if (animationListener != null) {
            animation.setAnimationListener(animationListener);
        }
        animated.startAnimation(animation);
    }

    public static void animateHeight(final View animated, final int from, final int to,
            final AnimationListener animationListener) {
        animateHeight(animated, from, to, ANIMATION_DURATION, new AnticipateOvershootInterpolator(0.4f),
                animationListener);
    }

    public static void setHeight(final View view, final int height) {
        if (view != null) {
            final ViewGroup.LayoutParams params = view.getLayoutParams();
            // noinspection ConstantConditions
            params.height = height;
            view.setLayoutParams(params);
        }
    }

    public static void setHeight(final View root, final int viewId, final int height) {
        if (root != null) {
            setHeight(root.findViewById(viewId), height);
        }
    }

    public static void setHeight(final Activity root, final int viewId, final int height) {
        if (root != null) {
            setHeight(root.findViewById(viewId), height);
        }
    }
}