Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2012 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.view.View;
import android.view.ViewTreeObserver;

public class Main {
    public static void startAnimationAfterNextDraw(final Animator animator, final View view) {
        view.getViewTreeObserver().addOnDrawListener(new ViewTreeObserver.OnDrawListener() {
            private boolean mStarted = false;

            public void onDraw() {
                if (mStarted)
                    return;
                mStarted = true;
                // Use this as a signal that the animation was cancelled
                if (animator.getDuration() == 0) {
                    return;
                }
                animator.start();

                final ViewTreeObserver.OnDrawListener listener = this;
                view.post(new Runnable() {
                    public void run() {
                        view.getViewTreeObserver().removeOnDrawListener(listener);
                    }
                });
            }
        });
    }
}