Android Open Source - Avatar Photo Picker Fragment

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.syw.avatar;
//w ww .  j a va2 s  . co m
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.listener.PauseOnScrollListener;

public class PhotoPickerFragment extends Fragment {
    @SuppressWarnings("unused")
    private static final String TAG = PhotoPickerFragment.class.getSimpleName();

    public interface OnPhotoSelectClickListener {
    public void onOKClickListener(PhotoInfo selectedPhoto);
  }
  
  private OnPhotoSelectClickListener onPhotoSelectClickListener;
  
    protected ImageLoader imageLoader = ImageLoader.getInstance();
    protected boolean pauseOnScroll = true; // ??????????????;
    protected boolean pauseOnFling = true; // ??????????????;

    private GridView gridView;
  private List<PhotoInfo> dataList;
    private PhotoPickerAdapter gridImageAdapter;
    
     @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    if(onPhotoSelectClickListener==null){
      onPhotoSelectClickListener = (OnPhotoSelectClickListener)activity;
    }
  }
  
  @Override
  public void onStop(){
      super.onStop();
  }
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_photo_picker, container, false);
    View unusedView = view.findViewById(R.id.bottom_layout);
    unusedView.setVisibility(View.GONE);
    return view;
  }
  
  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    Bundle args = getArguments();
    
    // ???????;
    PhotoSerializable photoSerializable = (PhotoSerializable) args.getSerializable("list");
    dataList = new ArrayList<PhotoInfo>();
    dataList.addAll(photoSerializable.getList());
    
        init();
  }
  
    public void updateDataList(List<PhotoInfo> newList){
      if (dataList == newList){
          return;
      }
      dataList.clear();
      dataList.addAll(newList);
      gridImageAdapter.notifyDataSetChanged();
  }
  
    private void init() {
        View v = getView();

        gridView = (GridView)v.findViewById(R.id.myGrid);
        gridImageAdapter = new PhotoPickerAdapter(getActivity(), dataList);
        initListener();
        gridView.setAdapter(gridImageAdapter);
        
        gridView.setOnScrollListener(new PauseOnScrollListener(imageLoader, pauseOnScroll, pauseOnFling));
    }
    
    private void initListener() {
        gridView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (onPhotoSelectClickListener != null){
                    onPhotoSelectClickListener.onOKClickListener(dataList.get(position));
                }
            }
        });
    }
    
}

Java Source Code List