Java tutorial
/* * Copyright (C) 2015 Naman Dwivedi * * Licensed under the GNU General Public License v3 * * This is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. */ package com.evandroid.musica.fragments; import android.annotation.TargetApi; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Color; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.support.design.widget.AppBarLayout; import android.support.design.widget.CollapsingToolbarLayout; import android.support.design.widget.FloatingActionButton; import android.support.v4.app.Fragment; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.support.v7.graphics.Palette; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.Toolbar; import android.transition.Transition; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.afollestad.appthemeengine.Config; import com.evandroid.musica.MusicPlayer; import com.evandroid.musica.R; import com.evandroid.musica.adapters.AlbumSongsAdapter; import com.evandroid.musica.dataloaders.AlbumLoader; import com.evandroid.musica.dataloaders.AlbumSongLoader; import com.evandroid.musica.listeners.SimplelTransitionListener; import com.evandroid.musica.models.Album; import com.evandroid.musica.models.Song; import com.evandroid.musica.utils.ATEUtils; import com.evandroid.musica.utils.Constants; import com.evandroid.musica.utils.FabAnimationUtils; import com.evandroid.musica.utils.Helpers; import com.evandroid.musica.utils.NavigationUtils; import com.evandroid.musica.utils.PreferencesUtility; import com.evandroid.musica.utils.SortOrder; import com.evandroid.musica.utils.TimberUtils; import com.evandroid.musica.widgets.DividerItemDecoration; 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 net.steamcrafted.materialiconlib.MaterialDrawableBuilder; import java.util.List; public class AlbumDetailFragment extends Fragment { long albumID = -1; ImageView albumArt, artistArt; TextView albumTitle, albumDetails; RecyclerView recyclerView; AlbumSongsAdapter mAdapter; Toolbar toolbar; Album album; CollapsingToolbarLayout collapsingToolbarLayout; AppBarLayout appBarLayout; FloatingActionButton fab; private boolean loadFailed = false; private PreferencesUtility mPreferences; private Context context; private int primaryColor = -1; public static AlbumDetailFragment newInstance(long id, boolean useTransition, String transitionName) { AlbumDetailFragment fragment = new AlbumDetailFragment(); Bundle args = new Bundle(); args.putLong(Constants.ALBUM_ID, id); args.putBoolean("transition", useTransition); if (useTransition) args.putString("transition_name", transitionName); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { albumID = getArguments().getLong(Constants.ALBUM_ID); } context = getActivity(); mPreferences = PreferencesUtility.getInstance(context); } @TargetApi(21) @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View rootView = inflater.inflate(R.layout.fragment_album_detail, container, false); albumArt = (ImageView) rootView.findViewById(R.id.album_art); artistArt = (ImageView) rootView.findViewById(R.id.artist_art); albumTitle = (TextView) rootView.findViewById(R.id.album_title); albumDetails = (TextView) rootView.findViewById(R.id.album_details); toolbar = (Toolbar) rootView.findViewById(R.id.toolbar); fab = (FloatingActionButton) rootView.findViewById(R.id.fab); if (getArguments().getBoolean("transition")) { albumArt.setTransitionName(getArguments().getString("transition_name")); } recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerview); collapsingToolbarLayout = (CollapsingToolbarLayout) rootView.findViewById(R.id.collapsing_toolbar); appBarLayout = (AppBarLayout) rootView.findViewById(R.id.app_bar); recyclerView.setEnabled(false); recyclerView.setLayoutManager(new LinearLayoutManager(getActivity())); album = AlbumLoader.getAlbum(getActivity(), albumID); setAlbumArt(); setUpEverything(); fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Handler handler = new Handler(); handler.postDelayed(new Runnable() { @Override public void run() { AlbumSongsAdapter adapter = (AlbumSongsAdapter) recyclerView.getAdapter(); MusicPlayer.playAll(getActivity(), adapter.getSongIds(), 0, albumID, TimberUtils.IdType.Album, true); NavigationUtils.navigateToNowplaying(getActivity(), false); } }, 150); } }); return rootView; } private void setupToolbar() { ((AppCompatActivity) getActivity()).setSupportActionBar(toolbar); final ActionBar ab = ((AppCompatActivity) getActivity()).getSupportActionBar(); assert ab != null; ab.setDisplayHomeAsUpEnabled(true); collapsingToolbarLayout.setTitle(album.title); } private void setAlbumArt() { ImageLoader.getInstance() .displayImage(TimberUtils.getAlbumArtUri(albumID).toString(), albumArt, new DisplayImageOptions.Builder().cacheInMemory(true) .showImageOnFail(R.drawable.ic_empty_music2).resetViewBeforeLoading(true).build(), new ImageLoadingListener() { @Override public void onLoadingStarted(String imageUri, View view) { } @Override public void onLoadingFailed(String imageUri, View view, FailReason failReason) { loadFailed = true; MaterialDrawableBuilder builder = MaterialDrawableBuilder.with(context) .setIcon(MaterialDrawableBuilder.IconValue.SHUFFLE) .setColor(TimberUtils.getBlackWhiteColor( Config.accentColor(context, Helpers.getATEKey(context)))); ATEUtils.setFabBackgroundTint(fab, Config.accentColor(context, Helpers.getATEKey(context))); fab.setImageDrawable(builder.build()); } @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { try { new Palette.Builder(loadedImage).generate(new Palette.PaletteAsyncListener() { @Override public void onGenerated(Palette palette) { Palette.Swatch swatch = palette.getVibrantSwatch(); if (swatch != null) { primaryColor = swatch.getRgb(); collapsingToolbarLayout.setContentScrimColor(primaryColor); if (getActivity() != null) ATEUtils.setStatusBarColor(getActivity(), Helpers.getATEKey(getActivity()), primaryColor); } else { Palette.Swatch swatchMuted = palette.getMutedSwatch(); if (swatchMuted != null) { primaryColor = swatchMuted.getRgb(); collapsingToolbarLayout.setContentScrimColor(primaryColor); if (getActivity() != null) ATEUtils.setStatusBarColor(getActivity(), Helpers.getATEKey(getActivity()), primaryColor); } } MaterialDrawableBuilder builder = MaterialDrawableBuilder .with(getActivity()) .setIcon(MaterialDrawableBuilder.IconValue.SHUFFLE) .setSizeDp(30); if (primaryColor != -1) { builder.setColor(TimberUtils.getBlackWhiteColor(primaryColor)); ATEUtils.setFabBackgroundTint(fab, primaryColor); fab.setImageDrawable(builder.build()); } else { if (context != null) { ATEUtils.setFabBackgroundTint(fab, Config.accentColor(context, Helpers.getATEKey(context))); builder.setColor(TimberUtils.getBlackWhiteColor(Config .accentColor(context, Helpers.getATEKey(context)))); fab.setImageDrawable(builder.build()); } } } } ); } catch (Exception ignored) { } } @Override public void onLoadingCancelled(String imageUri, View view) { } } ); } private void setAlbumDetails() { String songCount = TimberUtils.makeLabel(getActivity(), R.plurals.Nsongs, album.songCount); String year = (album.year != 0) ? (" - " + String.valueOf(album.year)) : ""; albumTitle.setText(album.title); albumDetails.setText(album.artistName + " - " + songCount + year); } private void setUpAlbumSongs() { List<Song> songList = AlbumSongLoader.getSongsForAlbum(getActivity(), albumID); mAdapter = new AlbumSongsAdapter(getActivity(), songList, albumID); recyclerView .addItemDecoration(new DividerItemDecoration(getActivity(), DividerItemDecoration.VERTICAL_LIST)); recyclerView.setAdapter(mAdapter); } private void setUpEverything() { setupToolbar(); setAlbumDetails(); setUpAlbumSongs(); } private void reloadAdapter() { new AsyncTask<Void, Void, Void>() { @Override protected Void doInBackground(final Void... unused) { List<Song> songList = AlbumSongLoader.getSongsForAlbum(getActivity(), albumID); mAdapter.updateDataSet(songList); return null; } @Override protected void onPostExecute(Void aVoid) { mAdapter.notifyDataSetChanged(); } }.execute(); } @Override public void onActivityCreated(final Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); setHasOptionsMenu(true); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); inflater.inflate(R.menu.album_song_sort_by, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_sort_by_az: mPreferences.setAlbumSongSortOrder(SortOrder.AlbumSongSortOrder.SONG_A_Z); reloadAdapter(); return true; case R.id.menu_sort_by_za: mPreferences.setAlbumSongSortOrder(SortOrder.AlbumSongSortOrder.SONG_Z_A); reloadAdapter(); return true; case R.id.menu_sort_by_year: mPreferences.setAlbumSongSortOrder(SortOrder.AlbumSongSortOrder.SONG_YEAR); reloadAdapter(); return true; case R.id.menu_sort_by_duration: mPreferences.setAlbumSongSortOrder(SortOrder.AlbumSongSortOrder.SONG_DURATION); reloadAdapter(); return true; case R.id.menu_sort_by_track_number: mPreferences.setAlbumSongSortOrder(SortOrder.AlbumSongSortOrder.SONG_TRACK_LIST); reloadAdapter(); return true; } return super.onOptionsItemSelected(item); } @Override public void onResume() { super.onResume(); toolbar.setBackgroundColor(Color.TRANSPARENT); if (primaryColor != -1 && getActivity() != null) { collapsingToolbarLayout.setContentScrimColor(primaryColor); ATEUtils.setFabBackgroundTint(fab, primaryColor); String ateKey = Helpers.getATEKey(getActivity()); ATEUtils.setStatusBarColor(getActivity(), ateKey, primaryColor); } } private class EnterTransitionListener extends SimplelTransitionListener { @TargetApi(21) public void onTransitionEnd(Transition paramTransition) { FabAnimationUtils.scaleIn(fab); } public void onTransitionStart(Transition paramTransition) { FabAnimationUtils.scaleOut(fab, 0, null); } } }