Java tutorial
/* * Copyright 2015 Synced Synapse. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.syncedsynapse.kore2.ui; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.res.Resources; import android.content.res.TypedArray; import android.database.Cursor; import android.net.Uri; import android.os.*; import android.preference.PreferenceManager; import android.provider.BaseColumns; import android.support.v4.app.Fragment; import android.support.v4.app.LoaderManager; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.text.TextUtils; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.PopupMenu; import android.widget.ScrollView; import android.widget.TextView; import android.widget.Toast; import com.melnykov.fab.FloatingActionButton; import com.melnykov.fab.ObservableScrollView; import com.syncedsynapse.kore2.R; import com.syncedsynapse.kore2.Settings; import com.syncedsynapse.kore2.host.HostInfo; import com.syncedsynapse.kore2.host.HostManager; import com.syncedsynapse.kore2.jsonrpc.ApiCallback; import com.syncedsynapse.kore2.jsonrpc.ApiMethod; import com.syncedsynapse.kore2.jsonrpc.method.Player; import com.syncedsynapse.kore2.jsonrpc.method.Playlist; import com.syncedsynapse.kore2.jsonrpc.type.PlaylistType; import com.syncedsynapse.kore2.provider.MediaContract; import com.syncedsynapse.kore2.utils.FileDownloadHelper; import com.syncedsynapse.kore2.utils.LogUtils; import com.syncedsynapse.kore2.utils.UIUtils; import java.io.File; import java.util.ArrayList; import java.util.List; import butterknife.ButterKnife; import butterknife.InjectView; import butterknife.OnClick; import de.greenrobot.event.EventBus; /** * Presents movie details */ public class AlbumDetailsFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor> { private static final String TAG = LogUtils.makeLogTag(AlbumDetailsFragment.class); public static final String ALBUMID = "album_id"; // Loader IDs private static final int LOADER_ALBUM = 0, LOADER_SONGS = 1; private HostManager hostManager; private HostInfo hostInfo; private EventBus bus; /** * Handler on which to post RPC callbacks */ private Handler callbackHandler = new Handler(); // Displayed album id private int albumId = -1; // Album information private String albumDisplayArtist; private String albumTitle; private List<FileDownloadHelper.SongInfo> songInfoList = null; @InjectView(R.id.exit_transition_view) View exitTransitionView; // Buttons @InjectView(R.id.fab) ImageButton fabButton; @InjectView(R.id.add_to_playlist) ImageButton addToPlaylistButton; @InjectView(R.id.download) ImageButton downloadButton; // Detail views @InjectView(R.id.media_panel) ScrollView mediaPanel; @InjectView(R.id.art) ImageView mediaArt; @InjectView(R.id.poster) ImageView mediaPoster; @InjectView(R.id.media_title) TextView mediaTitle; @InjectView(R.id.media_undertitle) TextView mediaUndertitle; @InjectView(R.id.rating) TextView mediaRating; @InjectView(R.id.max_rating) TextView mediaMaxRating; @InjectView(R.id.year) TextView mediaYear; // @InjectView(R.id.genres) TextView mediaGenres; @InjectView(R.id.media_description_container) LinearLayout mediaDescriptionContainer; @InjectView(R.id.media_description) TextView mediaDescription; @InjectView(R.id.show_all) ImageView mediaShowAll; @InjectView(R.id.song_list) LinearLayout songListView; /** * Create a new instance of this, initialized to show the album albumId */ public static AlbumDetailsFragment newInstance(int albumId) { AlbumDetailsFragment fragment = new AlbumDetailsFragment(); Bundle args = new Bundle(); args.putInt(ALBUMID, albumId); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { albumId = getArguments().getInt(ALBUMID, -1); if ((container == null) || (albumId == -1)) { // We're not being shown or there's nothing to show return null; } ViewGroup root = (ViewGroup) inflater.inflate(R.layout.fragment_album_details, container, false); ButterKnife.inject(this, root); bus = EventBus.getDefault(); hostManager = HostManager.getInstance(getActivity()); hostInfo = hostManager.getHostInfo(); // Setup dim the fanart when scroll changes. Full dim on 4 * iconSize dp Resources resources = getActivity().getResources(); final int pixelsToTransparent = 4 * resources.getDimensionPixelSize(R.dimen.default_icon_size); mediaPanel.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() { @Override public void onScrollChanged() { float y = mediaPanel.getScrollY(); float newAlpha = Math.min(1, Math.max(0, 1 - (y / pixelsToTransparent))); mediaArt.setAlpha(newAlpha); } }); FloatingActionButton fab = (FloatingActionButton) fabButton; fab.attachToScrollView((ObservableScrollView) mediaPanel); // Pad main content view to overlap with bottom system bar // UIUtils.setPaddingForSystemBars(getActivity(), mediaPanel, false, false, true); // mediaPanel.setClipToPadding(false); return root; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); // Start the loaders getLoaderManager().initLoader(LOADER_ALBUM, null, this); setHasOptionsMenu(false); } @Override public void onResume() { // Force the exit view to invisible exitTransitionView.setVisibility(View.INVISIBLE); super.onResume(); } @Override public void onPause() { super.onPause(); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } /** * Loader callbacks */ /** {@inheritDoc} */ @Override public Loader<Cursor> onCreateLoader(int i, Bundle bundle) { Uri uri; switch (i) { case LOADER_ALBUM: uri = MediaContract.Albums.buildAlbumUri(hostInfo.getId(), albumId); return new CursorLoader(getActivity(), uri, AlbumDetailsQuery.PROJECTION, null, null, null); case LOADER_SONGS: uri = MediaContract.Songs.buildSongsListUri(hostInfo.getId(), albumId); return new CursorLoader(getActivity(), uri, AlbumSongsListQuery.PROJECTION, null, null, AlbumSongsListQuery.SORT); default: return null; } } /** {@inheritDoc} */ @Override public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) { if (cursor != null && cursor.getCount() > 0) { switch (cursorLoader.getId()) { case LOADER_ALBUM: displayAlbumDetails(cursor); getLoaderManager().initLoader(LOADER_SONGS, null, this); break; case LOADER_SONGS: displaySongsList(cursor); break; } } } /** {@inheritDoc} */ @Override public void onLoaderReset(Loader<Cursor> cursorLoader) { // Release loader's data } /** * Callbacks for button bar */ private ApiCallback<String> defaultStringActionCallback = ApiMethod.getDefaultActionCallback(); @OnClick(R.id.fab) public void onFabClicked(View v) { PlaylistType.Item item = new PlaylistType.Item(); item.albumid = albumId; Player.Open action = new Player.Open(item); action.execute(hostManager.getConnection(), new ApiCallback<String>() { @Override public void onSucess(String result) { if (!isAdded()) return; // Check whether we should switch to the remote boolean switchToRemote = PreferenceManager.getDefaultSharedPreferences(getActivity()).getBoolean( Settings.KEY_PREF_SWITCH_TO_REMOTE_AFTER_MEDIA_START, Settings.DEFAULT_PREF_SWITCH_TO_REMOTE_AFTER_MEDIA_START); if (switchToRemote) { int cx = (fabButton.getLeft() + fabButton.getRight()) / 2; int cy = (fabButton.getTop() + fabButton.getBottom()) / 2; UIUtils.switchToRemoteWithAnimation(getActivity(), cx, cy, exitTransitionView); } } @Override public void onError(int errorCode, String description) { if (!isAdded()) return; // Got an error, show toast Toast.makeText(getActivity(), R.string.unable_to_connect_to_xbmc, Toast.LENGTH_SHORT).show(); } }, callbackHandler); } @OnClick(R.id.add_to_playlist) public void onAddToPlaylistClicked(View v) { addToPlaylist(TYPE_ALBUM, albumId); } @OnClick(R.id.download) public void onDownloadClicked(View v) { if ((albumTitle == null) || (albumDisplayArtist == null) || (songInfoList == null) || (songInfoList.size() == 0)) { // Nothing to download Toast.makeText(getActivity(), R.string.no_files_to_download, Toast.LENGTH_SHORT).show(); return; } // Check if the directory exists and whether to overwrite it File file = new File(songInfoList.get(0).getAbsoluteDirectoryPath()); if (file.exists()) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setTitle(R.string.download).setMessage(R.string.download_dir_exists) .setPositiveButton(R.string.overwrite, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { FileDownloadHelper.downloadFiles(getActivity(), hostInfo, songInfoList, FileDownloadHelper.OVERWRITE_FILES, callbackHandler); } }).setNeutralButton(R.string.download_with_new_name, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { FileDownloadHelper.downloadFiles(getActivity(), hostInfo, songInfoList, FileDownloadHelper.DOWNLOAD_WITH_NEW_NAME, callbackHandler); } }).setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // Nothing to do } }).show(); } else { FileDownloadHelper.downloadFiles(getActivity(), hostInfo, songInfoList, FileDownloadHelper.DOWNLOAD_WITH_NEW_NAME, callbackHandler); } } private boolean isDescriptionExpanded = false; /** * Display the album details * * @param cursor Cursor with the data */ private void displayAlbumDetails(Cursor cursor) { final Resources resources = getActivity().getResources(); cursor.moveToFirst(); albumTitle = cursor.getString(AlbumDetailsQuery.TITLE); albumDisplayArtist = cursor.getString(AlbumDetailsQuery.DISPLAYARTIST); mediaTitle.setText(albumTitle); mediaUndertitle.setText(albumDisplayArtist); int year = cursor.getInt(AlbumDetailsQuery.YEAR); String genres = cursor.getString(AlbumDetailsQuery.GENRE); String label = (year > 0) ? (!TextUtils.isEmpty(genres) ? genres + " | " + String.valueOf(year) : String.valueOf(year)) : genres; mediaYear.setText(label); double rating = cursor.getDouble(AlbumDetailsQuery.RATING); if (rating > 0) { mediaRating.setVisibility(View.VISIBLE); mediaMaxRating.setVisibility(View.VISIBLE); mediaRating.setText(String.format("%01.01f", rating)); mediaMaxRating.setText(getString(R.string.max_rating_music)); } else { mediaRating.setVisibility(View.GONE); mediaMaxRating.setVisibility(View.GONE); } String description = cursor.getString(AlbumDetailsQuery.DESCRIPTION); if (!TextUtils.isEmpty(description)) { mediaDescription.setVisibility(View.VISIBLE); mediaDescription.setText(description); final int maxLines = resources.getInteger(R.integer.description_max_lines); Resources.Theme theme = getActivity().getTheme(); TypedArray styledAttributes = theme .obtainStyledAttributes(new int[] { R.attr.iconExpand, R.attr.iconCollapse }); final int iconCollapseResId = styledAttributes.getResourceId(0, R.drawable.ic_expand_less_white_24dp); final int iconExpandResId = styledAttributes.getResourceId(1, R.drawable.ic_expand_more_white_24dp); styledAttributes.recycle(); mediaDescriptionContainer.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (!isDescriptionExpanded) { mediaDescription.setMaxLines(Integer.MAX_VALUE); mediaShowAll.setImageResource(iconExpandResId); } else { mediaDescription.setMaxLines(maxLines); mediaShowAll.setImageResource(iconCollapseResId); } isDescriptionExpanded = !isDescriptionExpanded; } }); } else { mediaDescriptionContainer.setVisibility(View.GONE); } // Images DisplayMetrics displayMetrics = new DisplayMetrics(); getActivity().getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); String fanart = cursor.getString(AlbumDetailsQuery.FANART), poster = cursor.getString(AlbumDetailsQuery.THUMBNAIL); int artHeight = resources.getDimensionPixelOffset(R.dimen.now_playing_art_height), artWidth = displayMetrics.widthPixels; if (!TextUtils.isEmpty(fanart)) { int posterWidth = resources.getDimensionPixelOffset(R.dimen.albumdetail_poster_width); int posterHeight = resources.getDimensionPixelOffset(R.dimen.albumdetail_poster_heigth); mediaPoster.setVisibility(View.VISIBLE); UIUtils.loadImageWithCharacterAvatar(getActivity(), hostManager, poster, albumTitle, mediaPoster, posterWidth, posterHeight); UIUtils.loadImageIntoImageview(hostManager, fanart, mediaArt, artWidth, artHeight); } else { // No fanart, just present the poster mediaPoster.setVisibility(View.GONE); UIUtils.loadImageIntoImageview(hostManager, poster, mediaArt, artWidth, artHeight); // Reset padding int paddingLeft = mediaTitle.getPaddingRight(), paddingRight = mediaTitle.getPaddingRight(), paddingTop = mediaTitle.getPaddingTop(), paddingBottom = mediaTitle.getPaddingBottom(); mediaTitle.setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom); mediaUndertitle.setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom); } } /** * Starts playing the song on XBMC * @param songId song to play */ private void playSong(int songId) { PlaylistType.Item item = new PlaylistType.Item(); item.songid = songId; Player.Open action = new Player.Open(item); action.execute(hostManager.getConnection(), defaultStringActionCallback, callbackHandler); } private int TYPE_ALBUM = 0, TYPE_SONG = 1; /** * Adds an album or a song to the audio playlist * @param type Album or song * @param id albumId or songId */ private void addToPlaylist(final int type, final int id) { Playlist.GetPlaylists getPlaylists = new Playlist.GetPlaylists(); getPlaylists.execute(hostManager.getConnection(), new ApiCallback<ArrayList<PlaylistType.GetPlaylistsReturnType>>() { @Override public void onSucess(ArrayList<PlaylistType.GetPlaylistsReturnType> result) { if (!isAdded()) return; // Ok, loop through the playlists, looking for the audio one int audioPlaylistId = -1; for (PlaylistType.GetPlaylistsReturnType playlist : result) { if (playlist.type.equals(PlaylistType.GetPlaylistsReturnType.AUDIO)) { audioPlaylistId = playlist.playlistid; break; } } // If found, add to playlist if (audioPlaylistId != -1) { PlaylistType.Item item = new PlaylistType.Item(); if (type == TYPE_ALBUM) { item.albumid = id; } else { item.songid = id; } Playlist.Add action = new Playlist.Add(audioPlaylistId, item); action.execute(hostManager.getConnection(), new ApiCallback<String>() { @Override public void onSucess(String result) { if (!isAdded()) return; // Got an error, show toast Toast.makeText(getActivity(), R.string.item_added_to_playlist, Toast.LENGTH_SHORT).show(); } @Override public void onError(int errorCode, String description) { if (!isAdded()) return; // Got an error, show toast Toast.makeText(getActivity(), R.string.unable_to_connect_to_xbmc, Toast.LENGTH_SHORT).show(); } }, callbackHandler); } else { Toast.makeText(getActivity(), R.string.no_suitable_playlist, Toast.LENGTH_SHORT).show(); } } @Override public void onError(int errorCode, String description) { if (!isAdded()) return; // Got an error, show toast Toast.makeText(getActivity(), R.string.unable_to_connect_to_xbmc, Toast.LENGTH_SHORT) .show(); } }, callbackHandler); } View.OnClickListener songClickListener = new View.OnClickListener() { @Override public void onClick(View v) { playSong(((FileDownloadHelper.SongInfo) v.getTag()).songId); } }; private View.OnClickListener songItemMenuClickListener = new View.OnClickListener() { @Override public void onClick(View v) { final FileDownloadHelper.SongInfo songInfo = ((FileDownloadHelper.SongInfo) v.getTag()); final int songId = songInfo.songId; final PopupMenu popupMenu = new PopupMenu(getActivity(), v); popupMenu.getMenuInflater().inflate(R.menu.song_item, popupMenu.getMenu()); popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { switch (item.getItemId()) { case R.id.action_play_song: playSong(songId); return true; case R.id.action_add_to_playlist: addToPlaylist(TYPE_SONG, songId); return true; case R.id.download: // Check if the file exists and whether to overwrite it File file = new File(songInfo.getAbsoluteFilePath()); if (file.exists()) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setTitle(R.string.download).setMessage(R.string.download_file_exists) .setPositiveButton(R.string.overwrite, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { FileDownloadHelper.downloadFiles(getActivity(), hostInfo, songInfo, FileDownloadHelper.OVERWRITE_FILES, callbackHandler); } }).setNeutralButton(R.string.download_with_new_name, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { FileDownloadHelper.downloadFiles(getActivity(), hostInfo, songInfo, FileDownloadHelper.DOWNLOAD_WITH_NEW_NAME, callbackHandler); } }) .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }) .show(); } else { FileDownloadHelper.downloadFiles(getActivity(), hostInfo, songInfo, FileDownloadHelper.DOWNLOAD_WITH_NEW_NAME, callbackHandler); } return true; } return false; } }); popupMenu.show(); } }; /** * Display the songs * * @param cursor Cursor with the data */ private void displaySongsList(Cursor cursor) { if (cursor.moveToFirst()) { songInfoList = new ArrayList<FileDownloadHelper.SongInfo>(cursor.getCount()); do { View songView = LayoutInflater.from(getActivity()).inflate(R.layout.list_item_song, songListView, false); TextView songTitle = (TextView) songView.findViewById(R.id.song_title); TextView trackNumber = (TextView) songView.findViewById(R.id.track_number); TextView duration = (TextView) songView.findViewById(R.id.duration); ImageView contextMenu = (ImageView) songView.findViewById(R.id.list_context_menu); // Add this song to the list FileDownloadHelper.SongInfo songInfo = new FileDownloadHelper.SongInfo(albumDisplayArtist, albumTitle, cursor.getInt(AlbumSongsListQuery.SONGID), cursor.getInt(AlbumSongsListQuery.TRACK), cursor.getString(AlbumSongsListQuery.TITLE), cursor.getString(AlbumSongsListQuery.FILE)); songInfoList.add(songInfo); songTitle.setText(songInfo.title); trackNumber.setText(String.valueOf(songInfo.track)); duration.setText(UIUtils.formatTime(cursor.getInt(AlbumSongsListQuery.DURATION))); contextMenu.setTag(songInfo); contextMenu.setOnClickListener(songItemMenuClickListener); songView.setTag(songInfo); songView.setOnClickListener(songClickListener); songListView.addView(songView); } while (cursor.moveToNext()); if (songInfoList.size() > 0) { downloadButton.setVisibility(View.VISIBLE); // Check if download dir exists FileDownloadHelper.SongInfo songInfo = new FileDownloadHelper.SongInfo(albumDisplayArtist, albumTitle, 0, 0, null, null); if (songInfo.downloadDirectoryExists()) { Resources.Theme theme = getActivity().getTheme(); TypedArray styledAttributes = theme.obtainStyledAttributes(new int[] { R.attr.colorAccent }); downloadButton.setColorFilter(styledAttributes.getColor(0, R.color.accent_default)); styledAttributes.recycle(); } else { downloadButton.clearColorFilter(); } } } } /** * Album details query parameters. */ private interface AlbumDetailsQuery { String[] PROJECTION = { BaseColumns._ID, MediaContract.Albums.TITLE, MediaContract.Albums.DISPLAYARTIST, MediaContract.Albums.THUMBNAIL, MediaContract.Albums.FANART, MediaContract.Albums.YEAR, MediaContract.Albums.GENRE, MediaContract.Albums.ALBUMLABEL, MediaContract.Albums.DESCRIPTION, MediaContract.Albums.RATING, }; final int ID = 0; final int TITLE = 1; final int DISPLAYARTIST = 2; final int THUMBNAIL = 3; final int FANART = 4; final int YEAR = 5; final int GENRE = 6; final int ALBUMLABEL = 7; final int DESCRIPTION = 8; final int RATING = 9; } /** * Movie cast list query parameters. */ private interface AlbumSongsListQuery { String[] PROJECTION = { BaseColumns._ID, MediaContract.Songs.TITLE, MediaContract.Songs.TRACK, MediaContract.Songs.DURATION, MediaContract.Songs.FILE, MediaContract.Songs.SONGID, }; String SORT = MediaContract.Songs.TRACK + " ASC"; final int ID = 0; final int TITLE = 1; final int TRACK = 2; final int DURATION = 3; final int FILE = 4; final int SONGID = 5; } }