Android Open Source - Joetz-Android-V2 Photo 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.example.jens.myapplication.camps;
//from   w ww .j  a va 2 s .  c o m

import android.content.Intent;
import android.graphics.Bitmap;
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.AbsListView;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ProgressBar;

import com.example.jens.myapplication.R;
import com.example.jens.myapplication.domain.Camp;
import com.example.jens.myapplication.sam.JoetzApplication;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.listener.ImageLoadingProgressListener;
import com.nostra13.universalimageloader.core.listener.SimpleImageLoadingListener;

public class PhotoFragment extends Fragment {

    DisplayImageOptions options;

    private Long mCampId;
    private Camp mCamp;

    protected AbsListView listView;

    public PhotoFragment() {
        // Required empty public constructor
    }

    Integer[] imageUrls;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        if(!JoetzApplication.getContext().getCampManager().isCampsLoaded()){
            JoetzApplication.getContext().restartApplication();
        }

        mCampId = getActivity().getIntent().getExtras().getLong(InfoFragment.ARG_CAMP_ID);
        mCamp = JoetzApplication.getContext().getCampManager().findCampById(mCampId);

        imageUrls = mCamp.getImages().toArray(new Integer[mCamp.getImages().size()]);


        options = new DisplayImageOptions.Builder()
                .showImageOnLoading(R.drawable.stub)
                .cacheInMemory(true)
                .cacheOnDisk(true)
                .considerExifParams(true)
                .bitmapConfig(Bitmap.Config.RGB_565)
                .build();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View rootView = inflater.inflate(R.layout.fragment_photo, container, false);

        listView = (GridView) rootView.findViewById(R.id.grid);
        ((GridView) listView).setAdapter(new ImageAdapter());
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                startImagePagerActivity(position);
            }
        });

        return rootView;

    }

    protected void startImagePagerActivity(int position) {
       Intent intent = new Intent(getActivity(), ImageActivity.class);
       intent.putExtra(ImagePagerFragment.IMAGE_POSITION, position);

        int[] newArray = new int[imageUrls.length];
        int i = 0;
        for (int value : imageUrls) {
            newArray[i++] = Integer.valueOf(value);
        }

       intent.putExtra(ImagePagerFragment.IMAGE_ARRAY, newArray);
    //   Bundle b = new Bundle();
     //  ArrayList<Integer> images = new ArrayList(Arrays.asList(imageUrls));
     //  b.putIntegerArrayList(ImagePagerFragment.IMAGE_ARRAY, images );
     //  intent.putExtras(b);
       startActivity(intent);
    }



    public class ImageAdapter extends BaseAdapter {

        private LayoutInflater inflater;

        ImageAdapter() {
            inflater = LayoutInflater.from(getActivity());
        }

        @Override
        public int getCount() {
            return imageUrls.length;
        }

        @Override
        public Object getItem(int position) {
            return null;
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            final ViewHolder holder;
            View view = convertView;
            if (view == null) {
                view = inflater.inflate(R.layout.item_grid_image, parent, false);
                holder = new ViewHolder();
                assert view != null;
                holder.imageView = (ImageView) view.findViewById(R.id.image);
                holder.progressBar = (ProgressBar) view.findViewById(R.id.progress);
                view.setTag(holder);
            } else {
                holder = (ViewHolder) view.getTag();
            }

            ImageLoader.getInstance()
                    .displayImage("http://joetzdev.azurewebsites.net/api/images/"+imageUrls[position].toString(), holder.imageView, options, new SimpleImageLoadingListener() {
                        @Override
                        public void onLoadingStarted(String imageUri, View view) {
                            holder.progressBar.setProgress(0);
                            holder.progressBar.setVisibility(View.VISIBLE);
                        }

                        @Override
                        public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
                            holder.progressBar.setVisibility(View.GONE);
                        }

                        @Override
                        public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
                            holder.progressBar.setVisibility(View.GONE);
                        }
                    }, new ImageLoadingProgressListener() {
                        @Override
                        public void onProgressUpdate(String imageUri, View view, int current, int total) {
                            holder.progressBar.setProgress(Math.round(100.0f * current / total));
                        }
                    });

            return view;
        }
    }

    static class ViewHolder {
        ImageView imageView;
        ProgressBar progressBar;
    }

}
Java Source Code List
