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/*
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 github.daneren2005.subphonic.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 github.daneren2005.subphonic.R;
import github.daneren2005.subphonic.activity.DownloadActivity;
import github.daneren2005.subphonic.domain.MusicDirectory;
import github.daneren2005.subphonic.domain.PlayerState;
import github.daneren2005.subphonic.domain.RepeatMode;
import github.daneren2005.subphonic.domain.Version;
import github.daneren2005.subphonic.provider.SubsonicAppWidgetProvider1;
import github.daneren2005.subphonic.receiver.MediaButtonIntentReceiver;
import github.daneren2005.subphonic.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 = "github.daneren2005.subphonic.EVENT_META_CHANGED";
public static final String EVENT_PLAYSTATE_CHANGED = "github.daneren2005.subphonic.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
SubsonicAppWidgetProvider1.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
SubsonicAppWidgetProvider1.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);
}
}
}
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