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package cgeo.geocaching;
import cgeo.geocaching.ui.dialog.Dialogs;
import cgeo.geocaching.utils.IObserver;
import cgeo.geocaching.utils.Log;
import android.app.Activity;
import android.app.Application;
import android.app.ProgressDialog;
import android.content.res.Resources;
import java.util.concurrent.atomic.AtomicBoolean;
public class CgeoApplication extends Application {
private volatile GeoDataProvider geo;
private volatile DirectionProvider dir;
private boolean forceRelog = false; // c:geo needs to log into cache providers
public boolean showLoginToast = true; //login toast shown just once.
private boolean liveMapHintShown = false; // livemap hint has been shown
private static CgeoApplication instance;
public CgeoApplication() {
setInstance(this);
}
private static void setInstance(final CgeoApplication application) {
instance = application;
}
public static CgeoApplication getInstance() {
return instance;
}
@Override
public void onLowMemory() {
Log.i("Cleaning applications cache.");
DataStore.removeAllFromCache();
}
/**
* Move the database to/from external cgdata in a new thread,
* showing a progress window
*
* @param fromActivity
*/
public void moveDatabase(final Activity fromActivity) {
final Resources res = this.getResources();
final ProgressDialog dialog = ProgressDialog.show(fromActivity, res.getString(R.string.init_dbmove_dbmove), res.getString(R.string.init_dbmove_running), true, false);
final AtomicBoolean atomic = new AtomicBoolean(false);
new Thread() {
@Override
public void run() {
atomic.set(DataStore.moveDatabase());
fromActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
dialog.dismiss();
boolean success = atomic.get();
String message = success ? res.getString(R.string.init_dbmove_success) : res.getString(R.string.init_dbmove_failed);
Dialogs.message(fromActivity, R.string.init_dbmove_dbmove, message);
}
});
}
}.start();
}
/**
* Register an observer to receive GeoData information.
* <br/>
* If there is a chance that no observers are registered before this
* method is called, it is necessary to call it from a task implementing
* a looper interface as the data provider will use listeners that
* require a looper thread to run.
*
* @param observer a geodata observer
*/
public void addGeoObserver(final IObserver<? super IGeoData> observer) {
currentGeoObject().addObserver(observer);
}
public void deleteGeoObserver(final IObserver<? super IGeoData> observer) {
currentGeoObject().deleteObserver(observer);
}
private GeoDataProvider currentGeoObject() {
if (geo == null) {
synchronized(this) {
if (geo == null) {
geo = new GeoDataProvider(this);
}
}
}
return geo;
}
public IGeoData currentGeo() {
return currentGeoObject().getMemory();
}
public void addDirectionObserver(final IObserver<? super Float> observer) {
currentDirObject().addObserver(observer);
}
public void deleteDirectionObserver(final IObserver<? super Float> observer) {
currentDirObject().deleteObserver(observer);
}
private DirectionProvider currentDirObject() {
if (dir == null) {
synchronized(this) {
if (dir == null) {
dir = new DirectionProvider(this);
}
}
}
return dir;
}
public Float currentDirection() {
return currentDirObject().getMemory();
}
public boolean isLiveMapHintShown() {
return liveMapHintShown;
}
public void setLiveMapHintShown() {
liveMapHintShown = true;
}
/**
* Check if cgeo must relog even if already logged in.
*
* @return <code>true</code> if it is necessary to relog
*/
public boolean mustRelog() {
final boolean mustLogin = forceRelog;
forceRelog = false;
return mustLogin;
}
/**
* Force cgeo to relog when reaching the main activity.
*/
public void forceRelog() {
forceRelog = true;
}
}
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