Android Open Source - AStory Library Fragment

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License

The source code is released under:
Apache License
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Java Source Code

package com.Litterfeldt.AStory.fragments;
//from  w  w  w . j a v a 2 s.  co m
import com.Litterfeldt.AStory.R;

import android.content.Context;
import android.graphics.Typeface;
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.*;
import android.os.AsyncTask;
import com.Litterfeldt.AStory.dbConnector.dbBook;
import com.Litterfeldt.AStory.models.FileSystem;
import com.Litterfeldt.AStory.services.AudioplayerService;
import com.handmark.pulltorefresh.library.*;
import com.Litterfeldt.AStory.models.Book;
import com.Litterfeldt.AStory.pagerView;
import java.util.*;
import com.Litterfeldt.AStory.adapters.LibraryAdapter;

public class LibraryFragment extends Fragment {

    private LibraryAdapter adapter;
    private PullToRefreshListView list;

    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
    }
    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
    }
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.library, container, false);

        list =(PullToRefreshListView) view.findViewById(R.id.pull_to_refresh_listview);

        list.getRefreshableView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                if(i == 1 || i == adapter.getCount()) return;
                getService().getMediaPlayer().playBook(adapter.getItem(i-2), 0);
                getService().showNotification();
                ((pagerView) getActivity()).mPager.setCurrentItem(0);

            }
        });



        bookListAtStartup(view);


        list.setOnRefreshListener(new PullToRefreshListView.OnRefreshListener<ListView>() {
            @Override
            public void onRefresh(PullToRefreshBase<ListView> refreshView) {
                    new GetDataTask().execute();
            }
        });



        return view;
    }

    private class GetDataTask extends AsyncTask<Void, Book, ArrayList<Book>> {
        @Override
        protected void onPreExecute(){
            adapter = new LibraryAdapter(getActivity().getApplicationContext(),
                    R.id.pull_to_refresh_listview,
                    new ArrayList<Book>(),
                    Typeface.createFromAsset(((pagerView) getActivity()).getAssets(), "font.ttf"));
            adapter.add(new Book(-1,null,null,null,null));
            list.setAdapter(adapter);

        }
        @Override
        protected ArrayList<Book> doInBackground(Void...v) {
            Context c = getActivity().getApplicationContext();
            dbBook.purge(c);
            FileSystem f = FileSystem.getInstance();
            ArrayList<ArrayList<String>> bookFolderContent = f.allocateBookFolderContent();

            for (ArrayList<String> chapters : bookFolderContent){
                Book b = f.mockBookFromPath(chapters);
                if (b != null) {
                    dbBook.addBook(c, b);
                    publishProgress(dbBook.bookById(c, dbBook.bookIdByName(c, b.name())));
                }
            }
            return getService().getBookList();
        }
        @Override
        protected void onProgressUpdate(Book...book) {
            adapter.insert(book[0],adapter.getCount()-2);
        }
        @Override
        protected void onPostExecute(ArrayList<Book> result) {
            if(result.isEmpty()){
                Toast.makeText(getActivity(),"Your Audiobook-folder is empty, please put books in your /AudioBooks folder on your external storage drive", Toast.LENGTH_LONG);
            }
            list.onRefreshComplete();
            super.onPostExecute(result);
        }
    }
    private void bookListAtStartup(View view){
        AudioplayerService as = getService();
        ArrayList<Book> bl = as.getBookList();

        if(as != null && !bl.isEmpty()){
            adapter = new LibraryAdapter(view.getContext(),
                    R.id.pull_to_refresh_listview,
                    bl,
                    Typeface.createFromAsset(((pagerView) getActivity()).getAssets(), "font.ttf"));
            list.setAdapter(adapter);
            adapter.add(new Book(-1,null,null,null,null));

        }else if (bl.isEmpty()){
            adapter = new LibraryAdapter(view.getContext(),
                    R.id.pull_to_refresh_listview,
                    new ArrayList<Book>(),
                    Typeface.createFromAsset(((pagerView) getActivity()).getAssets(), "font.ttf"));
            list.setAdapter(adapter);
            adapter.add(new Book(-1,null,null,null,null));

        }

    }
    private AudioplayerService getService(){
        try{
            return ((pagerView) getActivity()).apService;
        }catch (Exception Ignored){} return null;
    }

}
Java Source Code List
