特价新版UI改造

admin

2021-05-11 e5ca87e89fef96c827ec37d1d91082f626cbb17d

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package com.tejia.lijin.app.ui;
 
import android.app.Activity;
import android.content.DialogInterface;
import androidx.viewpager.widget.PagerAdapter;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
 
import com.bumptech.glide.Glide;
import com.github.chrisbanes.photoview.OnOutsidePhotoTapListener;
import com.github.chrisbanes.photoview.OnPhotoTapListener;
import com.github.chrisbanes.photoview.PhotoView;
import com.wpc.library.util.SystemCommon;
import com.tejia.lijin.app.R;
import com.tejia.lijin.app.entity.common.ImageShowEntity;
import com.tejia.lijin.app.ui.dialog.SaveImgDialog;
import com.tejia.lijin.app.ui.trends.BigImageActivity;
import com.tejia.lijin.app.util.downutil.StringUtils;
 
import java.io.File;
import java.util.List;
 
 
public class ImageShowAdapter extends PagerAdapter {
 
    private LayoutInflater mLayoutInflater;
    private List<ImageShowEntity> mPhotoUrlList;
 
    private OnFinishCallBack mOnFinishCallBack;
    private Activity mContext;
 
    private ISaveImage saveImageListener;
 
    public ImageShowAdapter(BigImageActivity context, List<ImageShowEntity> photoUrlList, ISaveImage saveImageListener) {
        mLayoutInflater = LayoutInflater.from(context);
        this.mContext = context;
        mPhotoUrlList = photoUrlList;
        this.saveImageListener = saveImageListener;
    }
 
    @Override
    public int getCount() {
        return mPhotoUrlList == null ? 0 : mPhotoUrlList.size();
    }
 
    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view == object;
    }
 
    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        View view = mLayoutInflater.inflate(R.layout.item_trend_image_big, container, false);
        final ImageShowEntity photo = mPhotoUrlList.get(position);
        final PhotoView iv = view.findViewById(R.id.detail_icon_iv);
        int width = (int) SystemCommon.getScreenWidth(mContext);
        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(width,
                ViewGroup.LayoutParams.MATCH_PARENT);
        params.gravity = Gravity.CENTER;
        iv.setLayoutParams(params);
        if (!StringUtils.isNullOrEmpty(photo.getFilePath())) {
            Glide.with(mContext).load(new File(photo.getFilePath())).into(iv);
        } else {
            Glide.with(mContext).load(photo.getUrl()).into(iv);
        }
 
        iv.setOnPhotoTapListener(new OnPhotoTapListener() {
            @Override
            public void onPhotoTap(ImageView view, float x, float y) {
                if (mOnFinishCallBack != null) {
                    mOnFinishCallBack.finishShowPic();
                }
            }
        });
 
        iv.setOnOutsidePhotoTapListener(new OnOutsidePhotoTapListener() {
            @Override
            public void onOutsidePhotoTap(ImageView imageView) {
                if (mOnFinishCallBack != null) {
                    mOnFinishCallBack.finishShowPic();
                }
            }
        });
 
        iv.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                SaveImgDialog.Builder builder = new SaveImgDialog.Builder(mContext);
                builder.setNegativeButton("", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                }).setPositiveButton("", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        if (saveImageListener != null)
                            saveImageListener.saveImage(photo);
                        dialog.dismiss();
                    }
                }).create().show();
                return false;
            }
        });
 
        container.addView(view);
        return view;
    }
 
    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        container.removeView((View) object);
    }
 
    public interface OnFinishCallBack {
        void finishShowPic();
    }
 
    public void setOnFinishCallBack(OnFinishCallBack onFinishCallBack) {
        mOnFinishCallBack = onFinishCallBack;
    }
 
    public interface ISaveImage {
        public void saveImage(ImageShowEntity entity);
    }
}