GlobalUserFragment.java

package com.ved.musicmapapp.fragments;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
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.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.LinearLayout;
import android.widget.ListView;

import com.ved.musicmapapp.R;
import com.ved.musicmapapp.Objects.Artist;
import com.ved.musicmapapp.Objects.User;
import com.ved.musicmapapp.adapters.UserAdapter;
import com.ved.musicmapapp.providers.GetGlobalUserTask;

public class GlobalUserFragment extends Fragment {
	private ListView list;
	private UserAdapter uAdapter;
	private LinearLayout group_loadmore, group_find;
	private boolean alertShowing = false;
	private String fbid;
	private SharedPreferences prefs;
	private boolean reload = true;
	private GetGlobalUserTask task;
	private View loadingLayout, resultLayout;
	private Artist mArtist;
	private List<User> mUsers;
	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) {
		mArtist = artist;
	}

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

		if (null == mContext)
			return v;

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

		group_loadmore = (LinearLayout) v.findViewById(R.id.group_loadmore);
		group_find = (LinearLayout) v.findViewById(R.id.group_find);

		prefs = mContext
				.getSharedPreferences("MUSIC_MAP", Context.MODE_PRIVATE);
		fbid = prefs.getString("FB_ID", "");

		list.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int pos,
					long arg3) {
				User user = mUsers.get(pos);
				UserDetailsFragment fragment = new UserDetailsFragment();
				fragment.setUser(user);
				FragmentTransaction fragmentTransaction = getActivity()
						.getSupportFragmentManager().beginTransaction();
				fragmentTransaction.replace(R.id.frame_content,
						fragment);
				fragmentTransaction.addToBackStack(null);
				fragmentTransaction.commit();
				/*UserDetailFragment fragment = new UserDetailFragment();
				fragment.setUser(user);
				FragmentTransaction fragmentTransaction = getFragmentManager()
						.beginTransaction();
				fragmentTransaction.replace(R.id.frame_content, fragment);
				fragmentTransaction.addToBackStack(null);
				fragmentTransaction.commit();*/
			}
		});

		if (null != task)
			task.cancel(true);

		if (mUsers == null) {
			task = new GetGlobalUserTask(mContext, fbid, mArtist) {
				@Override
				protected void onPreExecute() {
					super.onPreExecute();
					loadingLayout.setVisibility(View.VISIBLE);
				}

				public void onSuccess(ArrayList<User> users) {
					loadingLayout.setVisibility(View.GONE);

					mUsers = users;

					if (users.size() > 0 && null != mContext) {
						uAdapter = new UserAdapter(mContext, users);
						list.setAdapter(uAdapter);
						list.setVisibility(View.VISIBLE);
					} else {
						resultLayout.setVisibility(View.VISIBLE);
					}
				};
			};
			task.execute();
		} else {
			loadingLayout.setVisibility(View.GONE);

			if (mUsers.size() > 0 && null != mContext) {
				uAdapter = new UserAdapter(mContext, mUsers);
				list.setAdapter(uAdapter);
				list.setVisibility(View.VISIBLE);
			} else {
				resultLayout.setVisibility(View.VISIBLE);
			}
		}

		return v;
	}

	// public void setReloadData(boolean reload){
	// this.reload = reload;
	// }

	@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();
	}
}