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.Intent; import android.content.res.Resources; import android.content.res.TypedArray; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.os.Handler; 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.support.v4.widget.SwipeRefreshLayout; import android.text.TextUtils; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.widget.ImageButton; import android.widget.ImageView; 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.ApiException; import com.syncedsynapse.kore2.jsonrpc.event.MediaSyncEvent; 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.service.LibrarySyncService; 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 butterknife.ButterKnife; import butterknife.InjectView; import butterknife.OnClick; import de.greenrobot.event.EventBus; /** * Presents music videos details */ public class MusicVideoDetailsFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor>, SwipeRefreshLayout.OnRefreshListener { private static final String TAG = LogUtils.makeLogTag(MusicVideoDetailsFragment.class); public static final String MUSICVIDEOID = "music_video_id"; // Loader IDs private static final int LOADER_MUSIC_VIDEO = 0; private HostManager hostManager; private HostInfo hostInfo; private EventBus bus; /** * Handler on which to post RPC callbacks */ private Handler callbackHandler = new Handler(); // Displayed music video id private int musicVideoId = -1; // Info for downloading the music video private FileDownloadHelper.MusicVideoInfo musicVideoDownloadInfo = null; // Controls whether the finished refreshing message is shown private boolean showRefreshStatusMessage = true; @InjectView(R.id.swipe_refresh_layout) SwipeRefreshLayout swipeRefreshLayout; @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.year) TextView mediaYear; @InjectView(R.id.genres) TextView mediaGenres; @InjectView(R.id.media_description) TextView mediaDescription; /** * Create a new instance of this, initialized to show the video musicVideoId */ public static MusicVideoDetailsFragment newInstance(int musicVideoId) { MusicVideoDetailsFragment fragment = new MusicVideoDetailsFragment(); Bundle args = new Bundle(); args.putInt(MUSICVIDEOID, musicVideoId); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { musicVideoId = getArguments().getInt(MUSICVIDEOID, -1); if ((container == null) || (musicVideoId == -1)) { // We're not being shown or there's nothing to show return null; } ViewGroup root = (ViewGroup) inflater.inflate(R.layout.fragment_music_video_details, container, false); ButterKnife.inject(this, root); bus = EventBus.getDefault(); hostManager = HostManager.getInstance(getActivity()); hostInfo = hostManager.getHostInfo(); swipeRefreshLayout.setOnRefreshListener(this); //UIUtils.setSwipeRefreshLayoutColorScheme(swipeRefreshLayout); // 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_MUSIC_VIDEO, null, this); setHasOptionsMenu(false); } @Override public void onResume() { bus.register(this); // Force the exit view to invisible exitTransitionView.setVisibility(View.INVISIBLE); super.onResume(); } @Override public void onPause() { bus.unregister(this); super.onPause(); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); // outState.putInt(MUSICVIDEOID, musicVideoId); } /** * Swipe refresh layout callback */ /** {@inheritDoc} */ @Override public void onRefresh() { if (hostInfo != null) { // Start the syncing process Intent syncIntent = new Intent(this.getActivity(), LibrarySyncService.class); syncIntent.putExtra(LibrarySyncService.SYNC_ALL_MUSIC_VIDEOS, true); getActivity().startService(syncIntent); } else { swipeRefreshLayout.setRefreshing(false); Toast.makeText(getActivity(), R.string.no_xbmc_configured, Toast.LENGTH_SHORT).show(); } } /** * Event bus post. Called when the syncing process ended * * @param event Refreshes data */ public void onEventMainThread(MediaSyncEvent event) { if (event.syncType.equals(LibrarySyncService.SYNC_ALL_MUSIC_VIDEOS)) { swipeRefreshLayout.setRefreshing(false); if (event.status == MediaSyncEvent.STATUS_SUCCESS) { getLoaderManager().restartLoader(LOADER_MUSIC_VIDEO, null, this); if (showRefreshStatusMessage) { Toast.makeText(getActivity(), R.string.sync_successful, Toast.LENGTH_SHORT).show(); } } else if (showRefreshStatusMessage) { String msg = (event.errorCode == ApiException.API_ERROR) ? String.format(getString(R.string.error_while_syncing), event.errorMessage) : getString(R.string.unable_to_connect_to_xbmc); Toast.makeText(getActivity(), msg, Toast.LENGTH_SHORT).show(); } // Reset showRefreshStatusMessage = true; } } /** * Loader callbacks */ /** {@inheritDoc} */ @Override public Loader<Cursor> onCreateLoader(int i, Bundle bundle) { Uri uri; switch (i) { case LOADER_MUSIC_VIDEO: uri = MediaContract.MusicVideos.buildMusicVideoUri(hostInfo.getId(), musicVideoId); return new CursorLoader(getActivity(), uri, MusicVideoDetailsQuery.PROJECTION, null, null, null); default: return null; } } /** {@inheritDoc} */ @Override public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) { if (cursor != null && cursor.getCount() > 0) { switch (cursorLoader.getId()) { case LOADER_MUSIC_VIDEO: displayMusicVideoDetails(cursor); break; } } } /** {@inheritDoc} */ @Override public void onLoaderReset(Loader<Cursor> cursorLoader) { // Release loader's data } /** * Callbacks for button bar */ @OnClick(R.id.fab) public void onFabClicked(View v) { PlaylistType.Item item = new PlaylistType.Item(); item.musicvideoid = musicVideoId; 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) { 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 video one int videoPlaylistId = -1; for (PlaylistType.GetPlaylistsReturnType playlist : result) { if (playlist.type.equals(PlaylistType.GetPlaylistsReturnType.VIDEO)) { videoPlaylistId = playlist.playlistid; break; } } // If found, add to playlist if (videoPlaylistId != -1) { PlaylistType.Item item = new PlaylistType.Item(); item.musicvideoid = musicVideoId; Playlist.Add action = new Playlist.Add(videoPlaylistId, 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); } @OnClick(R.id.download) public void onDownloadClicked(View v) { if (musicVideoDownloadInfo == null) { // 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(musicVideoDownloadInfo.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, musicVideoDownloadInfo, 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, musicVideoDownloadInfo, 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, musicVideoDownloadInfo, FileDownloadHelper.DOWNLOAD_WITH_NEW_NAME, callbackHandler); } } /** * Display the video details * * @param cursor Cursor with the data */ private void displayMusicVideoDetails(Cursor cursor) { cursor.moveToFirst(); String musicVideoTitle = cursor.getString(MusicVideoDetailsQuery.TITLE); mediaTitle.setText(musicVideoTitle); String artistAlbum = cursor.getString(MusicVideoDetailsQuery.ARTIST) + " | " + cursor.getString(MusicVideoDetailsQuery.ALBUM); mediaUndertitle.setText(artistAlbum); int runtime = cursor.getInt(MusicVideoDetailsQuery.RUNTIME); String durationYear = runtime > 0 ? UIUtils.formatTime(runtime) + " | " + String.valueOf(cursor.getInt(MusicVideoDetailsQuery.YEAR)) : String.valueOf(cursor.getInt(MusicVideoDetailsQuery.YEAR)); mediaYear.setText(durationYear); mediaGenres.setText(cursor.getString(MusicVideoDetailsQuery.GENRES)); mediaDescription.setText(cursor.getString(MusicVideoDetailsQuery.PLOT)); // Images Resources resources = getActivity().getResources(); DisplayMetrics displayMetrics = new DisplayMetrics(); getActivity().getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); String fanart = cursor.getString(MusicVideoDetailsQuery.FANART), poster = cursor.getString(MusicVideoDetailsQuery.THUMBNAIL); int artHeight = resources.getDimensionPixelOffset(R.dimen.now_playing_art_height), artWidth = displayMetrics.widthPixels; if (!TextUtils.isEmpty(fanart)) { int posterWidth = resources.getDimensionPixelOffset(R.dimen.musicvideodetail_poster_width); int posterHeight = resources.getDimensionPixelOffset(R.dimen.musicvideodetail_poster_heigth); mediaPoster.setVisibility(View.VISIBLE); UIUtils.loadImageWithCharacterAvatar(getActivity(), hostManager, poster, musicVideoTitle, 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); } // Setup download info musicVideoDownloadInfo = new FileDownloadHelper.MusicVideoInfo(musicVideoTitle, cursor.getString(MusicVideoDetailsQuery.FILE)); // Check if downloaded file exists downloadButton.setVisibility(View.VISIBLE); if (musicVideoDownloadInfo.downloadFileExists()) { 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(); } } /** * Video details query parameters. */ private interface MusicVideoDetailsQuery { String[] PROJECTION = { BaseColumns._ID, MediaContract.MusicVideos.TITLE, MediaContract.MusicVideos.ALBUM, MediaContract.MusicVideos.ARTIST, MediaContract.MusicVideos.THUMBNAIL, MediaContract.MusicVideos.FANART, MediaContract.MusicVideos.YEAR, MediaContract.MusicVideos.GENRES, MediaContract.MusicVideos.RUNTIME, MediaContract.MusicVideos.PLOT, MediaContract.MusicVideos.FILE, }; final int ID = 0; final int TITLE = 1; final int ALBUM = 2; final int ARTIST = 3; final int THUMBNAIL = 4; final int FANART = 5; final int YEAR = 6; final int GENRES = 7; final int RUNTIME = 8; final int PLOT = 9; final int FILE = 10; } }