Android Open Source - works-imageview-pager Image Pager Adapter

• Back to Development/imageview  ↑

From Project

Back to project page works-imageview-pager.

License

The source code is released under:

Apache License

Java Source Code

package com.mobilesolutionworks.android.imagepaging;
/*from  w w  w .j av a  2 s . com*/
import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.util.SparseArray;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

/**
 * Created by yunarta on 18/9/14.
 */
public abstract class ImagePagerAdapter extends PagerAdapter {

    Context mContext;

    SparseArray<ImageViewTouchForPager> mImageViewPagerMap;

    public ImagePagerAdapter(Context context) {
        mContext = context;
        mImageViewPagerMap = new SparseArray<ImageViewTouchForPager>();
    }

    protected abstract void setupImageView(ImageView imageView, int position);

    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        ImageViewTouchForPager imageView = new ImageViewTouchForPager(mContext);
//        imageView.setDisplayType(ImageViewTouchBase.DisplayType.FIT_TO_SCREEN);

        mImageViewPagerMap.put(position, imageView);

        ImageViewPager pager = (ImageViewPager) container;
        ViewGroup.LayoutParams params = pager.generateDefaultLayoutParams();
        params.width = container.getMeasuredWidth();
        params.height = container.getMeasuredHeight();

        container.addView(imageView, params);
        setupImageView(imageView, position);
        return imageView;
    }

    @Override
    public void destroyItem(ViewGroup container, int position, Object view) {
        container.removeView((View) view);
        mImageViewPagerMap.delete(position);
    }

    public ImageViewTouchForPager getImage(int position) {
        return mImageViewPagerMap.get(position);
    }

    @Override
    public void setPrimaryItem(ViewGroup container, int position, Object object) {
        super.setPrimaryItem(container, position, object);

        ImageViewTouchForPager pager;

        pager = mImageViewPagerMap.get(position - 1);
        if (pager != null) {
            pager.resetZoom();
        }

        pager = mImageViewPagerMap.get(position + 1);
        if (pager != null) {
            pager.resetZoom();
        }
    }

    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view == object;
    }

    public boolean allowPageScroll(int position) {
//        ImageViewTouchForPager imageView = mImageViewPagerMap.get(position);
//        return imageView.isHittingEdge(-dx) && imageView.isScrollable();
        return false;
    }
}

Java Source Code List

• Back to Development/imageview  ↑