CategoryDetailFragment.java

package com.ved.musicmapapp.fragments;

import java.util.ArrayList;

import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import com.facebook.android.Util;
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.ImageLoadingListener;
import com.ved.musicmapapp.R;
import com.ved.musicmapapp.Objects.Artist;
import com.ved.musicmapapp.adapters.CateDetailAdapter;
import com.ved.musicmapapp.providers.GetArtistAvatarTask;
import com.ved.musicmapapp.providers.GetCategoryDetailTask;
import com.ved.musicmapapp.utils.Statics;
import com.ved.musicmapapp.utils.Utils;

public class CategoryDetailFragment extends Fragment {

	private ListView list;
	private CateDetailAdapter aAdapter;
	private int type;

	private Artist artist;
	private ImageLoader imageLoader;
	private DisplayImageOptions options;
	private View loadingLayout, resultLayout;
	private GetCategoryDetailTask task;

	private Activity mContext;

	@Override
	public void onAttach(Activity activity) {
		// TODO Auto-generated method stub
		super.onAttach(activity);
		this.mContext = activity;
	}

	public void setArtist(Artist artist) {
		this.artist = artist;
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		super.onCreateView(inflater, container, savedInstanceState);
		View v = inflater.inflate(R.layout.activity_category_detail, container,
				false);

		if (null == mContext)
			return v;

		imageLoader = ImageLoader.getInstance();
		options = new DisplayImageOptions.Builder()
				.showImageOnLoading(R.drawable.img_no_image)
				.showImageForEmptyUri(R.drawable.img_no_image)
				.showImageOnFail(R.drawable.img_no_image).cacheInMemory(true)
				.cacheOnDisc(true).bitmapConfig(Bitmap.Config.RGB_565).build();

		if (null == artist) {
			return v;
		}

		final ImageView imv_like = (ImageView) v.findViewById(R.id.imv_like);
		final ImageView imv_av = (ImageView) v
				.findViewById(R.id.imv_musician_av);
		TextView tvArtistName = (TextView) v
				.findViewById(R.id.tv_name_musician);
		TextView tvNoSong = (TextView) v.findViewById(R.id.tvNoSong);
		TextView tvGlobalNoSong = (TextView) v
				.findViewById(R.id.tvGlobalNoSong);

		tvArtistName.setText(artist.getName());
		tvGlobalNoSong.setText(artist.getGlobalPlaylist() + " playlists");
		tvNoSong.setText(artist.getSongs().size() + "");

		if (artist.getAvatar().trim().length() > 0) {
			loadAvatar(imv_av, artist.getAvatar().trim());
		} else {
			new GetArtistAvatarTask(mContext) {
				public void onSuccess(String result) {
					artist.setAvatar(result);
					loadAvatar(imv_av, result);
				};
			}.execute(artist.getID() + "", artist.getName());

		}

		imv_like.setVisibility(View.GONE);

		loadingLayout = v.findViewById(R.id.loadingLayout);
		resultLayout = v.findViewById(R.id.resultLayout);
		list = (ListView) v.findViewById(R.id.list_category_detail);

		if (null != task)
			task.cancel(true);
		task = new GetCategoryDetailTask(mContext, artist) {
			@Override
			protected void onPreExecute() {
				super.onPreExecute();
				loadingLayout.setVisibility(View.VISIBLE);
			}

			public void onSuccess(ArrayList<String> details) {
				loadingLayout.setVisibility(View.GONE);

				int res = R.drawable.icon_app_1;
				switch (type) {
				case 1:
					res = R.drawable.books;
					break;
				case 2:
					res = R.drawable.movies;
					break;
				case 3:
					res = R.drawable.school;
					break;
				case 4:
					res = R.drawable.games;
					break;
				case 5:
					res = R.drawable.others;
					break;
				}
				if (details.size() > 0 && null != mContext) {
					aAdapter = new CateDetailAdapter(mContext, details,
							res);
					list.setAdapter(aAdapter);
					list.setVisibility(View.VISIBLE);
				} else {
					resultLayout.setVisibility(View.VISIBLE);
				}
			};
		};
		task.execute(type);

		v.findViewById(R.id.layout_artist_detail).setOnClickListener(
				new View.OnClickListener() {

					@Override
					public void onClick(View v) {
						onGlobalUser(v);
					}
				});

		return v;
	}

	public void setType(int type) {
		this.type = type;
	}

	private void loadAvatar(final ImageView imv_av, String url) {
		imageLoader.displayImage(url, imv_av, options,
				new ImageLoadingListener() {

					@Override
					public void onLoadingStarted(String imageUri, View view) {
					}

					@Override
					public void onLoadingFailed(String imageUri, View view,
							FailReason failReason) {
					}

					@Override
					public void onLoadingComplete(String imageUri, View view,
							Bitmap loadedImage) {
						imv_av.setImageBitmap(loadedImage);
					}

					@Override
					public void onLoadingCancelled(String imageUri, View view) {
					}
				});
	}

	@Override
	public void onDestroy() {
		if (null != task)
			task.cancel(true);
		super.onDestroy();
	}

	@Override
	public void onDestroyView() {
		if (getView() != null) {
			((ViewGroup) getView().getParent()).removeView(getView());
		}
		super.onDestroyView();
	}

	public void onGlobalUser(View v) {
		GlobalUserFragment frg = new GlobalUserFragment();
		frg.setArtist(artist);

		FragmentTransaction fragmentTransaction = getFragmentManager()
				.beginTransaction();
		fragmentTransaction.replace(R.id.frame_content, frg);
		fragmentTransaction.addToBackStack(null);
		fragmentTransaction.commit();
	}
}