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package de.danoeh.antennapod;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import android.app.AlarmManager;
import android.app.Application;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.preference.PreferenceManager;
import android.util.Log;
import de.danoeh.antennapod.activity.OpmlImportActivity;
import de.danoeh.antennapod.asynctask.FeedImageLoader;
import de.danoeh.antennapod.feed.FeedManager;
import de.danoeh.antennapod.receiver.FeedUpdateReceiver;
/** Main application class. */
public class PodcastApp extends Application implements
SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = "PodcastApp";
public static final String PREF_NAME = "AntennapodPrefs";
public static final String EXPORT_DIR = "export/";
public static final String PREF_PAUSE_ON_HEADSET_DISCONNECT = "prefPauseOnHeadsetDisconnect";
public static final String PREF_FOLLOW_QUEUE = "prefFollowQueue";
public static final String PREF_DOWNLOAD_MEDIA_ON_WIFI_ONLY = "prefDownloadMediaOnWifiOnly";
public static final String PREF_UPDATE_INTERVALL = "prefAutoUpdateIntervall";
public static final String PREF_MOBILE_UPDATE = "prefMobileUpdate";
public static final String PREF_AUTO_QUEUE = "prefAutoQueue";
public static final String PREF_DISPLAY_ONLY_EPISODES = "prefDisplayOnlyEpisodes";
private static float LOGICAL_DENSITY;
private static PodcastApp singleton;
public static PodcastApp getInstance() {
return singleton;
}
@Override
public void onCreate() {
super.onCreate();
singleton = this;
LOGICAL_DENSITY = getResources().getDisplayMetrics().density;
SharedPreferences prefs = PreferenceManager
.getDefaultSharedPreferences(this);
createImportDirectory();
createNoMediaFile();
prefs.registerOnSharedPreferenceChangeListener(this);
FeedManager manager = FeedManager.getInstance();
manager.loadDBData(getApplicationContext());
}
/** Create a .nomedia file to prevent scanning by the media scanner. */
private void createNoMediaFile() {
File f = new File(getExternalFilesDir(null), ".nomedia");
if (!f.exists()) {
try {
f.createNewFile();
} catch (IOException e) {
Log.e(TAG, "Could not create .nomedia file");
e.printStackTrace();
}
if (AppConfig.DEBUG) Log.d(TAG, ".nomedia file created");
}
}
/**
* Creates the import directory if it doesn't exist and if storage is
* available
*/
private void createImportDirectory() {
File importDir = getExternalFilesDir(OpmlImportActivity.IMPORT_DIR);
if (importDir != null) {
if (importDir.exists()) {
if (AppConfig.DEBUG)
Log.d(TAG, "Import directory already exists");
} else {
if (AppConfig.DEBUG)
Log.d(TAG, "Creating import directory");
importDir.mkdir();
}
} else {
if (AppConfig.DEBUG)
Log.d(TAG, "Could not access external storage.");
}
}
@Override
public void onLowMemory() {
super.onLowMemory();
Log.w(TAG, "Received onLowOnMemory warning. Cleaning image cache...");
FeedImageLoader.getInstance().wipeImageCache();
}
/**
* Listens for changes in the 'update intervall'-preference and changes the
* alarm if necessary.
*/
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
if (AppConfig.DEBUG)
Log.d(TAG, "Registered change of application preferences");
if (key.equals(PREF_UPDATE_INTERVALL)) {
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int hours = Integer.parseInt(sharedPreferences.getString(
PREF_UPDATE_INTERVALL, "0"));
PendingIntent updateIntent = PendingIntent.getBroadcast(this, 0,
new Intent(FeedUpdateReceiver.ACTION_REFRESH_FEEDS), 0);
alarmManager.cancel(updateIntent);
if (hours != 0) {
long newIntervall = TimeUnit.HOURS.toMillis(hours);
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,
newIntervall, newIntervall, updateIntent);
if (AppConfig.DEBUG)
Log.d(TAG, "Changed alarm to new intervall");
} else {
if (AppConfig.DEBUG)
Log.d(TAG, "Automatic update was deactivated");
}
}
}
public static float getLogicalDensity() {
return LOGICAL_DENSITY;
}
public boolean isLargeScreen() {
return (getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_LARGE || (getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_XLARGE;
}
}
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