jp.wasabeef.recyclerview.animators.adapters.ScaleInAnimationAdapter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of recyclerview-animators Show documentation

Which provides simple Item animations to RecyclerView items

There is a newer version: 4.0.2

Show newest version

package jp.wasabeef.recyclerview.animators.adapters;

import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.support.v7.widget.RecyclerView;
import android.view.View;

/**
 * Copyright (C) 2015 Wasabeef
 *
 * 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.
 */

public class ScaleInAnimationAdapter extends AnimationAdapter {

    private static final float DEFAULT_SCALE_FROM = .5f;
    private final float mFrom;

    public ScaleInAnimationAdapter(RecyclerView.Adapter adapter) {
        this(adapter, DEFAULT_SCALE_FROM);
    }

    public ScaleInAnimationAdapter(RecyclerView.Adapter adapter, float from) {
        super(adapter);
        mFrom = from;
    }

    @Override
    protected Animator[] getAnimators(View view) {
        ObjectAnimator scaleX = ObjectAnimator.ofFloat(view, "scaleX", mFrom, 1f);
        ObjectAnimator scaleY = ObjectAnimator.ofFloat(view, "scaleY", mFrom, 1f);
        return new ObjectAnimator[]{scaleX, scaleY};
    }
}