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Diffstat (limited to 'subsonic-android/src/net/sourceforge/subsonic/androidapp/util/Util.java')
| -rw-r--r-- | subsonic-android/src/net/sourceforge/subsonic/androidapp/util/Util.java | 829 |
1 files changed, 0 insertions, 829 deletions
diff --git a/subsonic-android/src/net/sourceforge/subsonic/androidapp/util/Util.java b/subsonic-android/src/net/sourceforge/subsonic/androidapp/util/Util.java deleted file mode 100644 index 9a8c692d..00000000 --- a/subsonic-android/src/net/sourceforge/subsonic/androidapp/util/Util.java +++ /dev/null @@ -1,829 +0,0 @@ -/* - This file is part of Subsonic. - - Subsonic 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. - - Subsonic 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. - - You should have received a copy of the GNU General Public License - along with Subsonic. If not, see <http://www.gnu.org/licenses/>. - - Copyright 2009 (C) Sindre Mehus - */ -package net.sourceforge.subsonic.androidapp.util; - -import android.app.Activity; -import android.app.AlertDialog; -import android.app.Notification; -import android.app.NotificationManager; -import android.app.PendingIntent; -import android.app.Service; -import android.content.ComponentName; -import android.content.Context; -import android.content.DialogInterface; -import android.content.Intent; -import android.content.SharedPreferences; -import android.content.res.Resources; -import android.graphics.Bitmap; -import android.graphics.drawable.BitmapDrawable; -import android.graphics.drawable.Drawable; -import android.media.AudioManager; -import android.net.ConnectivityManager; -import android.net.NetworkInfo; -import android.os.Environment; -import android.os.Handler; -import android.util.Log; -import android.view.Gravity; -import android.view.ViewGroup; -import android.widget.LinearLayout; -import android.widget.RemoteViews; -import android.widget.TextView; -import android.widget.Toast; -import net.sourceforge.subsonic.androidapp.R; -import net.sourceforge.subsonic.androidapp.activity.DownloadActivity; -import net.sourceforge.subsonic.androidapp.domain.MusicDirectory; -import net.sourceforge.subsonic.androidapp.domain.PlayerState; -import net.sourceforge.subsonic.androidapp.domain.RepeatMode; -import net.sourceforge.subsonic.androidapp.domain.Version; -import net.sourceforge.subsonic.androidapp.provider.SubsonicAppWidgetProvider; -import net.sourceforge.subsonic.androidapp.receiver.MediaButtonIntentReceiver; -import net.sourceforge.subsonic.androidapp.service.DownloadServiceImpl; -import org.apache.http.HttpEntity; - -import java.io.ByteArrayOutputStream; -import java.io.Closeable; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.io.UnsupportedEncodingException; -import java.lang.reflect.Constructor; -import java.lang.reflect.Method; -import java.security.MessageDigest; -import java.text.DecimalFormat; -import java.text.NumberFormat; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -/** - * @author Sindre Mehus - * @version $Id$ - */ -public final class Util { - - private static final String TAG = Util.class.getSimpleName(); - - private static final DecimalFormat GIGA_BYTE_FORMAT = new DecimalFormat("0.00 GB"); - private static final DecimalFormat MEGA_BYTE_FORMAT = new DecimalFormat("0.00 MB"); - private static final DecimalFormat KILO_BYTE_FORMAT = new DecimalFormat("0 KB"); - - private static DecimalFormat GIGA_BYTE_LOCALIZED_FORMAT = null; - private static DecimalFormat MEGA_BYTE_LOCALIZED_FORMAT = null; - private static DecimalFormat KILO_BYTE_LOCALIZED_FORMAT = null; - private static DecimalFormat BYTE_LOCALIZED_FORMAT = null; - - public static final String EVENT_META_CHANGED = "net.sourceforge.subsonic.androidapp.EVENT_META_CHANGED"; - public static final String EVENT_PLAYSTATE_CHANGED = "net.sourceforge.subsonic.androidapp.EVENT_PLAYSTATE_CHANGED"; - - private static final Map<Integer, Version> SERVER_REST_VERSIONS = new ConcurrentHashMap<Integer, Version>(); - - // Used by hexEncode() - private static final char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; - - private final static Pair<Integer, Integer> NOTIFICATION_TEXT_COLORS = new Pair<Integer, Integer>(); - private static Toast toast; - - private Util() { - } - - public static boolean isOffline(Context context) { - return getActiveServer(context) == 0; - } - - public static boolean isScreenLitOnDownload(Context context) { - SharedPreferences prefs = getPreferences(context); - return prefs.getBoolean(Constants.PREFERENCES_KEY_SCREEN_LIT_ON_DOWNLOAD, false); - } - - public static RepeatMode getRepeatMode(Context context) { - SharedPreferences prefs = getPreferences(context); - return RepeatMode.valueOf(prefs.getString(Constants.PREFERENCES_KEY_REPEAT_MODE, RepeatMode.OFF.name())); - } - - public static void setRepeatMode(Context context, RepeatMode repeatMode) { - SharedPreferences prefs = getPreferences(context); - SharedPreferences.Editor editor = prefs.edit(); - editor.putString(Constants.PREFERENCES_KEY_REPEAT_MODE, repeatMode.name()); - editor.commit(); - } - - public static boolean isScrobblingEnabled(Context context) { - if (isOffline(context)) { - return false; - } - SharedPreferences prefs = getPreferences(context); - return prefs.getBoolean(Constants.PREFERENCES_KEY_SCROBBLE, false); - } - - public static void setActiveServer(Context context, int instance) { - SharedPreferences prefs = getPreferences(context); - SharedPreferences.Editor editor = prefs.edit(); - editor.putInt(Constants.PREFERENCES_KEY_SERVER_INSTANCE, instance); - editor.commit(); - } - - public static int getActiveServer(Context context) { - SharedPreferences prefs = getPreferences(context); - return prefs.getInt(Constants.PREFERENCES_KEY_SERVER_INSTANCE, 1); - } - - public static String getServerName(Context context, int instance) { - if (instance == 0) { - return context.getResources().getString(R.string.main_offline); - } - SharedPreferences prefs = getPreferences(context); - return prefs.getString(Constants.PREFERENCES_KEY_SERVER_NAME + instance, null); - } - - public static void setServerRestVersion(Context context, Version version) { - SERVER_REST_VERSIONS.put(getActiveServer(context), version); - } - - public static Version getServerRestVersion(Context context) { - return SERVER_REST_VERSIONS.get(getActiveServer(context)); - } - - public static void setSelectedMusicFolderId(Context context, String musicFolderId) { - int instance = getActiveServer(context); - SharedPreferences prefs = getPreferences(context); - SharedPreferences.Editor editor = prefs.edit(); - editor.putString(Constants.PREFERENCES_KEY_MUSIC_FOLDER_ID + instance, musicFolderId); - editor.commit(); - } - - public static String getSelectedMusicFolderId(Context context) { - SharedPreferences prefs = getPreferences(context); - int instance = getActiveServer(context); - return prefs.getString(Constants.PREFERENCES_KEY_MUSIC_FOLDER_ID + instance, null); - } - - public static String getTheme(Context context) { - SharedPreferences prefs = getPreferences(context); - return prefs.getString(Constants.PREFERENCES_KEY_THEME, null); - } - - public static int getMaxBitrate(Context context) { - ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); - NetworkInfo networkInfo = manager.getActiveNetworkInfo(); - if (networkInfo == null) { - return 0; - } - - boolean wifi = networkInfo.getType() == ConnectivityManager.TYPE_WIFI; - SharedPreferences prefs = getPreferences(context); - return Integer.parseInt(prefs.getString(wifi ? Constants.PREFERENCES_KEY_MAX_BITRATE_WIFI : Constants.PREFERENCES_KEY_MAX_BITRATE_MOBILE, "0")); - } - - public static int getPreloadCount(Context context) { - SharedPreferences prefs = getPreferences(context); - int preloadCount = Integer.parseInt(prefs.getString(Constants.PREFERENCES_KEY_PRELOAD_COUNT, "-1")); - return preloadCount == -1 ? Integer.MAX_VALUE : preloadCount; - } - - public static int getCacheSizeMB(Context context) { - SharedPreferences prefs = getPreferences(context); - int cacheSize = Integer.parseInt(prefs.getString(Constants.PREFERENCES_KEY_CACHE_SIZE, "-1")); - return cacheSize == -1 ? Integer.MAX_VALUE : cacheSize; - } - - public static String getRestUrl(Context context, String method) { - StringBuilder builder = new StringBuilder(); - - SharedPreferences prefs = getPreferences(context); - - int instance = prefs.getInt(Constants.PREFERENCES_KEY_SERVER_INSTANCE, 1); - String serverUrl = prefs.getString(Constants.PREFERENCES_KEY_SERVER_URL + instance, null); - String username = prefs.getString(Constants.PREFERENCES_KEY_USERNAME + instance, null); - String password = prefs.getString(Constants.PREFERENCES_KEY_PASSWORD + instance, null); - - // Slightly obfuscate password - password = "enc:" + Util.utf8HexEncode(password); - - builder.append(serverUrl); - if (builder.charAt(builder.length() - 1) != '/') { - builder.append("/"); - } - builder.append("rest/").append(method).append(".view"); - builder.append("?u=").append(username); - builder.append("&p=").append(password); - builder.append("&v=").append(Constants.REST_PROTOCOL_VERSION); - builder.append("&c=").append(Constants.REST_CLIENT_ID); - - return builder.toString(); - } - - public static SharedPreferences getPreferences(Context context) { - return context.getSharedPreferences(Constants.PREFERENCES_FILE_NAME, 0); - } - - public static String getContentType(HttpEntity entity) { - if (entity == null || entity.getContentType() == null) { - return null; - } - return entity.getContentType().getValue(); - } - - public static int getRemainingTrialDays(Context context) { - SharedPreferences prefs = getPreferences(context); - long installTime = prefs.getLong(Constants.PREFERENCES_KEY_INSTALL_TIME, 0L); - - if (installTime == 0L) { - installTime = System.currentTimeMillis(); - SharedPreferences.Editor editor = prefs.edit(); - editor.putLong(Constants.PREFERENCES_KEY_INSTALL_TIME, installTime); - editor.commit(); - } - - long now = System.currentTimeMillis(); - long millisPerDay = 24L * 60L * 60L * 1000L; - int daysSinceInstall = (int) ((now - installTime) / millisPerDay); - return Math.max(0, Constants.FREE_TRIAL_DAYS - daysSinceInstall); - } - - /** - * Get the contents of an <code>InputStream</code> as a <code>byte[]</code>. - * <p/> - * This method buffers the input internally, so there is no need to use a - * <code>BufferedInputStream</code>. - * - * @param input the <code>InputStream</code> to read from - * @return the requested byte array - * @throws NullPointerException if the input is null - * @throws IOException if an I/O error occurs - */ - public static byte[] toByteArray(InputStream input) throws IOException { - ByteArrayOutputStream output = new ByteArrayOutputStream(); - copy(input, output); - return output.toByteArray(); - } - - public static long copy(InputStream input, OutputStream output) - throws IOException { - byte[] buffer = new byte[1024 * 4]; - long count = 0; - int n; - while (-1 != (n = input.read(buffer))) { - output.write(buffer, 0, n); - count += n; - } - return count; - } - - public static void atomicCopy(File from, File to) throws IOException { - FileInputStream in = null; - FileOutputStream out = null; - File tmp = null; - try { - tmp = new File(to.getPath() + ".tmp"); - in = new FileInputStream(from); - out = new FileOutputStream(tmp); - in.getChannel().transferTo(0, from.length(), out.getChannel()); - out.close(); - if (!tmp.renameTo(to)) { - throw new IOException("Failed to rename " + tmp + " to " + to); - } - Log.i(TAG, "Copied " + from + " to " + to); - } catch (IOException x) { - close(out); - delete(to); - throw x; - } finally { - close(in); - close(out); - delete(tmp); - } - } - - public static void close(Closeable closeable) { - try { - if (closeable != null) { - closeable.close(); - } - } catch (Throwable x) { - // Ignored - } - } - - public static boolean delete(File file) { - if (file != null && file.exists()) { - if (!file.delete()) { - Log.w(TAG, "Failed to delete file " + file); - return false; - } - Log.i(TAG, "Deleted file " + file); - } - return true; - } - - public static void toast(Context context, int messageId) { - toast(context, messageId, true); - } - - public static void toast(Context context, int messageId, boolean shortDuration) { - toast(context, context.getString(messageId), shortDuration); - } - - public static void toast(Context context, String message) { - toast(context, message, true); - } - - public static void toast(Context context, String message, boolean shortDuration) { - if (toast == null) { - toast = Toast.makeText(context, message, shortDuration ? Toast.LENGTH_SHORT : Toast.LENGTH_LONG); - toast.setGravity(Gravity.CENTER, 0, 0); - } else { - toast.setText(message); - toast.setDuration(shortDuration ? Toast.LENGTH_SHORT : Toast.LENGTH_LONG); - } - toast.show(); - } - - /** - * Converts a byte-count to a formatted string suitable for display to the user. - * For instance: - * <ul> - * <li><code>format(918)</code> returns <em>"918 B"</em>.</li> - * <li><code>format(98765)</code> returns <em>"96 KB"</em>.</li> - * <li><code>format(1238476)</code> returns <em>"1.2 MB"</em>.</li> - * </ul> - * This method assumes that 1 KB is 1024 bytes. - * To get a localized string, please use formatLocalizedBytes instead. - * - * @param byteCount The number of bytes. - * @return The formatted string. - */ - public static synchronized String formatBytes(long byteCount) { - - // More than 1 GB? - if (byteCount >= 1024 * 1024 * 1024) { - NumberFormat gigaByteFormat = GIGA_BYTE_FORMAT; - return gigaByteFormat.format((double) byteCount / (1024 * 1024 * 1024)); - } - - // More than 1 MB? - if (byteCount >= 1024 * 1024) { - NumberFormat megaByteFormat = MEGA_BYTE_FORMAT; - return megaByteFormat.format((double) byteCount / (1024 * 1024)); - } - - // More than 1 KB? - if (byteCount >= 1024) { - NumberFormat kiloByteFormat = KILO_BYTE_FORMAT; - return kiloByteFormat.format((double) byteCount / 1024); - } - - return byteCount + " B"; - } - - /** - * Converts a byte-count to a formatted string suitable for display to the user. - * For instance: - * <ul> - * <li><code>format(918)</code> returns <em>"918 B"</em>.</li> - * <li><code>format(98765)</code> returns <em>"96 KB"</em>.</li> - * <li><code>format(1238476)</code> returns <em>"1.2 MB"</em>.</li> - * </ul> - * This method assumes that 1 KB is 1024 bytes. - * This version of the method returns a localized string. - * - * @param byteCount The number of bytes. - * @return The formatted string. - */ - public static synchronized String formatLocalizedBytes(long byteCount, Context context) { - - // More than 1 GB? - if (byteCount >= 1024 * 1024 * 1024) { - if (GIGA_BYTE_LOCALIZED_FORMAT == null) { - GIGA_BYTE_LOCALIZED_FORMAT = new DecimalFormat(context.getResources().getString(R.string.util_bytes_format_gigabyte)); - } - - return GIGA_BYTE_LOCALIZED_FORMAT.format((double) byteCount / (1024 * 1024 * 1024)); - } - - // More than 1 MB? - if (byteCount >= 1024 * 1024) { - if (MEGA_BYTE_LOCALIZED_FORMAT == null) { - MEGA_BYTE_LOCALIZED_FORMAT = new DecimalFormat(context.getResources().getString(R.string.util_bytes_format_megabyte)); - } - - return MEGA_BYTE_LOCALIZED_FORMAT.format((double) byteCount / (1024 * 1024)); - } - - // More than 1 KB? - if (byteCount >= 1024) { - if (KILO_BYTE_LOCALIZED_FORMAT == null) { - KILO_BYTE_LOCALIZED_FORMAT = new DecimalFormat(context.getResources().getString(R.string.util_bytes_format_kilobyte)); - } - - return KILO_BYTE_LOCALIZED_FORMAT.format((double) byteCount / 1024); - } - - if (BYTE_LOCALIZED_FORMAT == null) { - BYTE_LOCALIZED_FORMAT = new DecimalFormat(context.getResources().getString(R.string.util_bytes_format_byte)); - } - - return BYTE_LOCALIZED_FORMAT.format((double) byteCount); - } - - public static String formatDuration(Integer seconds) { - if (seconds == null) { - return null; - } - - int minutes = seconds / 60; - int secs = seconds % 60; - - StringBuilder builder = new StringBuilder(6); - builder.append(minutes).append(":"); - if (secs < 10) { - builder.append("0"); - } - builder.append(secs); - return builder.toString(); - } - - public static boolean equals(Object object1, Object object2) { - if (object1 == object2) { - return true; - } - if (object1 == null || object2 == null) { - return false; - } - return object1.equals(object2); - - } - - /** - * Encodes the given string by using the hexadecimal representation of its UTF-8 bytes. - * - * @param s The string to encode. - * @return The encoded string. - */ - public static String utf8HexEncode(String s) { - if (s == null) { - return null; - } - byte[] utf8; - try { - utf8 = s.getBytes(Constants.UTF_8); - } catch (UnsupportedEncodingException x) { - throw new RuntimeException(x); - } - return hexEncode(utf8); - } - - /** - * Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order. - * The returned array will be double the length of the passed array, as it takes two characters to represent any - * given byte. - * - * @param data Bytes to convert to hexadecimal characters. - * @return A string containing hexadecimal characters. - */ - public static String hexEncode(byte[] data) { - int length = data.length; - char[] out = new char[length << 1]; - // two characters form the hex value. - for (int i = 0, j = 0; i < length; i++) { - out[j++] = HEX_DIGITS[(0xF0 & data[i]) >>> 4]; - out[j++] = HEX_DIGITS[0x0F & data[i]]; - } - return new String(out); - } - - /** - * Calculates the MD5 digest and returns the value as a 32 character hex string. - * - * @param s Data to digest. - * @return MD5 digest as a hex string. - */ - public static String md5Hex(String s) { - if (s == null) { - return null; - } - - try { - MessageDigest md5 = MessageDigest.getInstance("MD5"); - return hexEncode(md5.digest(s.getBytes(Constants.UTF_8))); - } catch (Exception x) { - throw new RuntimeException(x.getMessage(), x); - } - } - - public static boolean isNetworkConnected(Context context) { - ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); - NetworkInfo networkInfo = manager.getActiveNetworkInfo(); - boolean connected = networkInfo != null && networkInfo.isConnected(); - - boolean wifiConnected = connected && networkInfo.getType() == ConnectivityManager.TYPE_WIFI; - boolean wifiRequired = isWifiRequiredForDownload(context); - - return connected && (!wifiRequired || wifiConnected); - } - - public static boolean isExternalStoragePresent() { - return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); - } - - private static boolean isWifiRequiredForDownload(Context context) { - SharedPreferences prefs = getPreferences(context); - return prefs.getBoolean(Constants.PREFERENCES_KEY_WIFI_REQUIRED_FOR_DOWNLOAD, false); - } - - public static void info(Context context, int titleId, int messageId) { - showDialog(context, android.R.drawable.ic_dialog_info, titleId, messageId); - } - - private static void showDialog(Context context, int icon, int titleId, int messageId) { - new AlertDialog.Builder(context) - .setIcon(icon) - .setTitle(titleId) - .setMessage(messageId) - .setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int i) { - dialog.dismiss(); - } - }) - .show(); - } - - public static void showPlayingNotification(final Context context, final DownloadServiceImpl downloadService, Handler handler, MusicDirectory.Entry song) { - - // Use the same text for the ticker and the expanded notification - String title = song.getTitle(); - String text = song.getArtist(); - - // Set the icon, scrolling text and timestamp - final Notification notification = new Notification(R.drawable.stat_notify_playing, title, System.currentTimeMillis()); - notification.flags |= Notification.FLAG_NO_CLEAR | Notification.FLAG_ONGOING_EVENT; - - RemoteViews contentView = new RemoteViews(context.getPackageName(), R.layout.notification); - - // Set the album art. - try { - int size = context.getResources().getDrawable(R.drawable.unknown_album).getIntrinsicHeight(); - Bitmap bitmap = FileUtil.getAlbumArtBitmap(context, song, size); - if (bitmap == null) { - // set default album art - contentView.setImageViewResource(R.id.notification_image, R.drawable.unknown_album); - } else { - contentView.setImageViewBitmap(R.id.notification_image, bitmap); - } - } catch (Exception x) { - Log.w(TAG, "Failed to get notification cover art", x); - contentView.setImageViewResource(R.id.notification_image, R.drawable.unknown_album); - } - - // set the text for the notifications - contentView.setTextViewText(R.id.notification_title, title); - contentView.setTextViewText(R.id.notification_artist, text); - - Pair<Integer, Integer> colors = getNotificationTextColors(context); - if (colors.getFirst() != null) { - contentView.setTextColor(R.id.notification_title, colors.getFirst()); - } - if (colors.getSecond() != null) { - contentView.setTextColor(R.id.notification_artist, colors.getSecond()); - } - - notification.contentView = contentView; - - Intent notificationIntent = new Intent(context, DownloadActivity.class); - notification.contentIntent = PendingIntent.getActivity(context, 0, notificationIntent, 0); - - // Send the notification and put the service in the foreground. - handler.post(new Runnable() { - @Override - public void run() { - startForeground(downloadService, Constants.NOTIFICATION_ID_PLAYING, notification); - } - }); - - // Update widget - SubsonicAppWidgetProvider.getInstance().notifyChange(context, downloadService, true); - } - - public static void hidePlayingNotification(final Context context, final DownloadServiceImpl downloadService, Handler handler) { - - // Remove notification and remove the service from the foreground - handler.post(new Runnable() { - @Override - public void run() { - stopForeground(downloadService, true); - } - }); - - // Update widget - SubsonicAppWidgetProvider.getInstance().notifyChange(context, downloadService, false); - } - - public static void sleepQuietly(long millis) { - try { - Thread.sleep(millis); - } catch (InterruptedException x) { - Log.w(TAG, "Interrupted from sleep.", x); - } - } - - public static void startActivityWithoutTransition(Activity currentActivity, Class<? extends Activity> newActivitiy) { - startActivityWithoutTransition(currentActivity, new Intent(currentActivity, newActivitiy)); - } - - public static void startActivityWithoutTransition(Activity currentActivity, Intent intent) { - currentActivity.startActivity(intent); - disablePendingTransition(currentActivity); - } - - public static void disablePendingTransition(Activity activity) { - - // Activity.overridePendingTransition() was introduced in Android 2.0. Use reflection to maintain - // compatibility with 1.5. - try { - Method method = Activity.class.getMethod("overridePendingTransition", int.class, int.class); - method.invoke(activity, 0, 0); - } catch (Throwable x) { - // Ignored - } - } - - public static Drawable createDrawableFromBitmap(Context context, Bitmap bitmap) { - // BitmapDrawable(Resources, Bitmap) was introduced in Android 1.6. Use reflection to maintain - // compatibility with 1.5. - try { - Constructor<BitmapDrawable> constructor = BitmapDrawable.class.getConstructor(Resources.class, Bitmap.class); - return constructor.newInstance(context.getResources(), bitmap); - } catch (Throwable x) { - return new BitmapDrawable(bitmap); - } - } - - public static void registerMediaButtonEventReceiver(Context context) { - - // Only do it if enabled in the settings. - SharedPreferences prefs = getPreferences(context); - boolean enabled = prefs.getBoolean(Constants.PREFERENCES_KEY_MEDIA_BUTTONS, true); - - if (enabled) { - - // AudioManager.registerMediaButtonEventReceiver() was introduced in Android 2.2. - // Use reflection to maintain compatibility with 1.5. - try { - AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); - ComponentName componentName = new ComponentName(context.getPackageName(), MediaButtonIntentReceiver.class.getName()); - Method method = AudioManager.class.getMethod("registerMediaButtonEventReceiver", ComponentName.class); - method.invoke(audioManager, componentName); - } catch (Throwable x) { - // Ignored. - } - } - } - - public static void unregisterMediaButtonEventReceiver(Context context) { - // AudioManager.unregisterMediaButtonEventReceiver() was introduced in Android 2.2. - // Use reflection to maintain compatibility with 1.5. - try { - AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); - ComponentName componentName = new ComponentName(context.getPackageName(), MediaButtonIntentReceiver.class.getName()); - Method method = AudioManager.class.getMethod("unregisterMediaButtonEventReceiver", ComponentName.class); - method.invoke(audioManager, componentName); - } catch (Throwable x) { - // Ignored. - } - } - - private static void startForeground(Service service, int notificationId, Notification notification) { - // Service.startForeground() was introduced in Android 2.0. - // Use reflection to maintain compatibility with 1.5. - try { - Method method = Service.class.getMethod("startForeground", int.class, Notification.class); - method.invoke(service, notificationId, notification); - Log.i(TAG, "Successfully invoked Service.startForeground()"); - } catch (Throwable x) { - NotificationManager notificationManager = (NotificationManager) service.getSystemService(Context.NOTIFICATION_SERVICE); - notificationManager.notify(Constants.NOTIFICATION_ID_PLAYING, notification); - Log.i(TAG, "Service.startForeground() not available. Using work-around."); - } - } - - private static void stopForeground(Service service, boolean removeNotification) { - // Service.stopForeground() was introduced in Android 2.0. - // Use reflection to maintain compatibility with 1.5. - try { - Method method = Service.class.getMethod("stopForeground", boolean.class); - method.invoke(service, removeNotification); - Log.i(TAG, "Successfully invoked Service.stopForeground()"); - } catch (Throwable x) { - NotificationManager notificationManager = (NotificationManager) service.getSystemService(Context.NOTIFICATION_SERVICE); - notificationManager.cancel(Constants.NOTIFICATION_ID_PLAYING); - Log.i(TAG, "Service.stopForeground() not available. Using work-around."); - } - } - - /** - * <p>Broadcasts the given song info as the new song being played.</p> - */ - public static void broadcastNewTrackInfo(Context context, MusicDirectory.Entry song) { - Intent intent = new Intent(EVENT_META_CHANGED); - - if (song != null) { - intent.putExtra("title", song.getTitle()); - intent.putExtra("artist", song.getArtist()); - intent.putExtra("album", song.getAlbum()); - - File albumArtFile = FileUtil.getAlbumArtFile(context, song); - intent.putExtra("coverart", albumArtFile.getAbsolutePath()); - } else { - intent.putExtra("title", ""); - intent.putExtra("artist", ""); - intent.putExtra("album", ""); - intent.putExtra("coverart", ""); - } - - context.sendBroadcast(intent); - } - - /** - * <p>Broadcasts the given player state as the one being set.</p> - */ - public static void broadcastPlaybackStatusChange(Context context, PlayerState state) { - Intent intent = new Intent(EVENT_PLAYSTATE_CHANGED); - - switch (state) { - case STARTED: - intent.putExtra("state", "play"); - break; - case STOPPED: - intent.putExtra("state", "stop"); - break; - case PAUSED: - intent.putExtra("state", "pause"); - break; - case COMPLETED: - intent.putExtra("state", "complete"); - break; - default: - return; // No need to broadcast. - } - - context.sendBroadcast(intent); - } - - /** - * Resolves the default text color for notifications. - * - * Based on http://stackoverflow.com/questions/4867338/custom-notification-layouts-and-text-colors/7320604#7320604 - */ - private static Pair<Integer, Integer> getNotificationTextColors(Context context) { - if (NOTIFICATION_TEXT_COLORS.getFirst() == null && NOTIFICATION_TEXT_COLORS.getSecond() == null) { - try { - Notification notification = new Notification(); - String title = "title"; - String content = "content"; - notification.setLatestEventInfo(context, title, content, null); - LinearLayout group = new LinearLayout(context); - ViewGroup event = (ViewGroup) notification.contentView.apply(context, group); - findNotificationTextColors(event, title, content); - group.removeAllViews(); - } catch (Exception x) { - Log.w(TAG, "Failed to resolve notification text colors.", x); - } - } - return NOTIFICATION_TEXT_COLORS; - } - - private static void findNotificationTextColors(ViewGroup group, String title, String content) { - for (int i = 0; i < group.getChildCount(); i++) { - if (group.getChildAt(i) instanceof TextView) { - TextView textView = (TextView) group.getChildAt(i); - String text = textView.getText().toString(); - if (title.equals(text)) { - NOTIFICATION_TEXT_COLORS.setFirst(textView.getTextColors().getDefaultColor()); - } - else if (content.equals(text)) { - NOTIFICATION_TEXT_COLORS.setSecond(textView.getTextColors().getDefaultColor()); - } - } - else if (group.getChildAt(i) instanceof ViewGroup) - findNotificationTextColors((ViewGroup) group.getChildAt(i), title, content); - } - } -} |