InfiniteCards

allprojects {
   repositories {
       maven {
           url 'https://s01.oss.sonatype.org/content/repositories/releases/'
       }
   }
}

dependencies {
   implementation('com.gitee.chinasoft_ohos:infinite-cards:1.0.6')
   ......  
}

    <com.bakerj.infinitecards.InfiniteCardView
        ohos:id="$+id:view"
        ohos:height="match_parent"
        ohos:width="match_parent"
        app:mCardRatio="1"
        app:animDuration="1000"/>

class MyAdapter extends BaseItemProvider{
  ...
}
mAdapter = new MyAdapter(resId);
mCardView.setAdapter(mAdapter);

mCardView.setAnimInterpolator(new LinearInterpolator());
mCardView.setTransformerToFront(new DefaultTransformerToFront());
mCardView.setTransformerToBack(new DefaultTransformerToBack());
mCardView.setZIndexTransformerToBack(new DefaultZIndexTransformerCommon());

mCardView.setTransformerToBack(new AnimationTransformer() {
    @Override
    public void transformAnimation(Component view, float fraction, int cardWidth, int cardHeight, int fromPosition, int toPosition) {
        int positionCount = fromPosition - toPosition;
        float scale = (0.8f - 0.1f * fromPosition) + (0.1f * fraction * positionCount);
        view.setScaleX(scale);
        view.setScaleY(scale);
        if (fraction < 0.5) {
            view.setTranslationX(cardWidth * fraction * 1.5f);
            view.setRotation(-45 * fraction);
        } else {
            view.setTranslationX(cardWidth * 1.5f * (1f - fraction));
            view.setRotation(-45 * (1 - fraction));
        }
    }

    @Override
    public void transformInterpolatedAnimation(Component view, float fraction, int cardWidth, int cardHeight, int fromPosition, int toPosition) {
        int positionCount = fromPosition - toPosition;
        float scale = (0.8f - 0.1f * fromPosition) + (0.1f * fraction * positionCount);
        view.setTranslationY(-cardHeight * (0.8f - scale) * 0.5f - cardWidth * (0.02f *
                fromPosition - 0.02f * fraction * positionCount));
    }
});
mCardView.setZIndexTransformerToBack(new ZIndexTransformer() {
    @Override
    public void transformAnimation(CardItem card, float fraction, int cardWidth, int cardHeight, int fromPosition, int toPosition) {
        if (fraction < 0.5f) {
            card.zIndex = 1f + 0.01f * fromPosition;
        } else {
            card.zIndex = 1f + 0.01f * toPosition;
        }
    }

    @Override
    public void transformInterpolatedAnimation(CardItem card, float fraction, int cardWidth, int cardHeight, int fromPosition, int toPosition) {

    }
});
}

Copyright 2017 BakerJ.

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 following link.

     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.