SongFragment.java

package com.nf2m.fragment;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Build;
import android.os.Bundle;
import android.provider.BaseColumns;
import android.provider.MediaStore;
import android.provider.MediaStore.MediaColumns;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
import android.support.v4.os.TraceCompat;
import android.support.v7.graphics.Palette;
import android.support.v7.widget.RecyclerView;
import android.view.View;

import com.nf2m.R;
import com.nf2m.activity.TarMediaPlayerActivity;
import com.nf2m.adapter.SongCursorAdapter;
import com.nf2m.listener.ActionItemClick;
import com.nf2m.model.Library;
import com.nf2m.model.Songs;
import com.nf2m.preferences.Preferences;
import com.nf2m.service.MediaPlayerService;

import java.util.ArrayList;
import java.util.Collections;


@SuppressLint("NewApi")
public class SongFragment extends BaseFragment implements ActionItemClick, com.nf2m.listener.OnItemClickListener {

    private RecyclerView lvSongList;
    private Library songs;
    private Cursor songCursor;
    private SongCursorAdapter songAdapter;
    private Preferences preferences;
    private int primaryColor;
    private int primaryDarkColor;
    private boolean isReferencedToService = false;


    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        if (isAlbumSong && songCursor.getCount() != 0) {
            playSong(0);
        }

    }


    /**
     * Activiteyi hazırlar.Degerler set edilir.
     */
    void initFragment(@NonNull final Cursor songCursor, final Songs songs) {

        if (songCursor.getCount() == 0) {
            // TODO: 21/07/16 Şarkı yoksa ekranı
//            RelativeLayout noSongs = (RelativeLayout) view.findViewById(R.id.noSongs);
//            noSongs.setVisibility(View.VISIBLE);
        }

        initLvSongList();
        initSongs(songs);
        setSongCursor(songCursor);
        initSongCursorAdapter();
        lvSongListSetSongAdapter();
        setListener();
        setLayoutManager();
        if (songCursor.getCount() < 15) {
            fastScroller.setVisibility(View.GONE);
        }
        preferences = Preferences.newInstance(getContext());
        setSearchSelection(MediaColumns.TITLE);
    }


    private void setListener() {
        songAdapter.setOnItemClickListener(this);
        songAdapter.setOnLongItemClickListener(this);
    }

    private void lvSongListSetSongAdapter() {
        lvSongList.setAdapter(songAdapter);
        setLvLibraryList(lvSongList);
    }

    private void initSongCursorAdapter() {
        songAdapter = new SongCursorAdapter(getActivity(), songCursor);
        setLibraryAdapter(songAdapter);
    }

    private void initSongs(Songs songs) {
        this.songs = songs;
        setLibraries(songs);
    }

    private void setSongCursor(Cursor songCursor) {
        this.songCursor = songCursor;
        setLibraryCursor(songCursor);
    }

    private void initLvSongList() {
        lvSongList = (RecyclerView) view.findViewById(R.id.lvList);
    }

    @Nullable
    @Override
    public Cursor initSelectedItemCursor() {

        String[] songIds = getStringArray(BaseColumns._ID);

        String selection = getSelection(BaseColumns._ID, songIds);

        Cursor tempCursor = getContext().getContentResolver().query(songs.getUri(), null, selection,
                null, null);
        assert tempCursor != null;
        setSelectedSongNumber(tempCursor.getCount());
        return tempCursor;
    }


    @Override
    public void actionClick(int position) {
        playSong(position);
    }

    private void playSong(int position) {

        //now playing list dışındakiler
        if (!isNowPlayingList()) {
            preferences.setPrefQueryUri(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI.toString());
            preferences.setPrefQueryWhere(getWhere());
            preferences.setPrefQuerySelectionArgs(getSelectionArray());
            MediaPlayerService.songsCursor = songCursor;
            isReferencedToService = true;
        }


        preferences.setPrefSongPos(position);

        if (!isAlbumSong) {
            TarMediaPlayerActivity.item_state = TarMediaPlayerActivity.ITEM_STATE_OTHER;
        }

        NowPlayingFragment.song_duration_state = 0;
        NowPlayingFragment.play_state = NowPlayingFragment.PAUSE;
        getActivity().sendBroadcast(new Intent(MediaPlayerService.ACTION_SONG_PLAY));


    }


    @Override
    public void onClick(@NonNull View v) {
        switch (v.getId()) {
            case R.id.idFabPlay:
                super.onClick(v);
                if (!NowPlayingFragment.play_state.equalsIgnoreCase(NowPlayingFragment.PAUSE)) {
                    playSong(0);
                }
                break;

            default:
                super.onClick(v);
                break;
        }

    }

    @Override
    public void onItemClick(int position) {

        if (actionMode != null) {
            toggleSelection(position);
            return;
        }

        if (isFilter) {
            position = getPositionInMainCursor(position);
            searchView.clearFocus();
            searchView.onActionViewCollapsed();
            linearLayoutManager.scrollToPosition(position);
            actionClick(position);
        } else {
            actionClick(position);
        }
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        if (songCursor != null && !isReferencedToService) {
            songCursor.close();
        }
    }
}