Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2014 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
 */

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;

import android.view.View;
import android.view.ViewPropertyAnimator;
import android.view.animation.Interpolator;
import android.view.animation.PathInterpolator;

public class Main {
    public static final int DEFAULT_DURATION = -1;
    public static final int NO_DELAY = 0;
    public static final Interpolator EASE_OUT = new PathInterpolator(0.4f, 0.0f, 1.0f, 1.0f);

    /**
     * Scales out the view from actual dimensions to 0.
     * @param view The view to scale.
     * @param durationMs The duration of the scaling in milliseconds.
     */
    public static void scaleOut(final View view, int durationMs) {
        AnimatorListenerAdapter listener = new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                view.setVisibility(View.GONE);
            }

            @Override
            public void onAnimationCancel(Animator animation) {
                view.setVisibility(View.GONE);
                view.setScaleX(0);
                view.setScaleY(0);
            }
        };

        scaleInternal(view, 1 /* startScaleValue */, 0 /* endScaleValue */, durationMs, NO_DELAY, listener,
                EASE_OUT);
    }

    private static void scaleInternal(final View view, int startScaleValue, int endScaleValue, int durationMs,
            int startDelay, AnimatorListenerAdapter listener, Interpolator interpolator) {
        view.setScaleX(startScaleValue);
        view.setScaleY(startScaleValue);

        final ViewPropertyAnimator animator = view.animate();
        animator.cancel();

        animator.setInterpolator(interpolator).scaleX(endScaleValue).scaleY(endScaleValue).setListener(listener)
                .withLayer();

        if (durationMs != DEFAULT_DURATION) {
            animator.setDuration(durationMs);
        }
        animator.setStartDelay(startDelay);

        animator.start();
    }
}