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Code Releases Wiki Activity

Attempt to fix DST changes

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This commit is contained in:
José Rebelo 2023-09-02 10:13:14 +01:00
parent 7d3740d861
commit a4c79a9395
4 changed files with 101 additions and 7 deletions
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3
app/src/main/AndroidManifest.xml
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@ -33,6 +33,9 @@
<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<!-- Schedule exact alarms (eg. for DST changes) -->
<uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
<!-- Read loyalty cards from Catima -->
<uses-permission android:name="me.hackerchick.catima.READ_CARDS"/>
<uses-permission android:name="me.hackerchick.catima.debug.READ_CARDS"/>

2
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/GBApplication.java
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@ -68,6 +68,7 @@ import nodomain.freeyourgadget.gadgetbridge.entities.DaoMaster;
import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
import nodomain.freeyourgadget.gadgetbridge.entities.Device;
import nodomain.freeyourgadget.gadgetbridge.externalevents.BluetoothStateChangeReceiver;
import nodomain.freeyourgadget.gadgetbridge.externalevents.TimeChangeReceiver;
import nodomain.freeyourgadget.gadgetbridge.externalevents.opentracks.OpenTracksContentObserver;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDeviceService;
@ -224,6 +225,7 @@ public class GBApplication extends Application {
loadAppsPebbleBlackList();
PeriodicExporter.enablePeriodicExport(context);
TimeChangeReceiver.scheduleNextDstChange(context);
if (isRunningMarshmallowOrLater()) {
notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

98
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/TimeChangeReceiver.java
View File

@ -16,34 +16,122 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.externalevents;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.os.SystemClock;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.threeten.bp.Instant;
import org.threeten.bp.ZoneId;
import org.threeten.bp.zone.ZoneOffsetTransition;
import org.threeten.bp.zone.ZoneRules;
import java.util.Date;
import java.util.GregorianCalendar;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.util.DateTimeUtils;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
import nodomain.freeyourgadget.gadgetbridge.util.PendingIntentUtils;
import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
public class TimeChangeReceiver extends BroadcastReceiver {
private static final Logger LOG = LoggerFactory.getLogger(TimeChangeReceiver.class);
public static final String ACTION_DST_CHANGED = "nodomain.freeyourgadget.gadgetbridge.DST_CHANGED";
@Override
public void onReceive(Context context, Intent intent) {
Prefs prefs = GBApplication.getPrefs();
final Prefs prefs = GBApplication.getPrefs();
final String action = intent.getAction();
if (action == null) {
LOG.warn("Null action");
return;
}
if (prefs.getBoolean("datetime_synconconnect", true) && (action.equals(Intent.ACTION_TIME_CHANGED) || action.equals(Intent.ACTION_TIMEZONE_CHANGED))) {
Date newTime = GregorianCalendar.getInstance().getTime();
LOG.info("Time or Timezone changed, syncing with device: " + DateTimeUtils.formatDate(newTime) + " (" + newTime.toGMTString() + "), " + intent.getAction());
if (!prefs.getBoolean("datetime_synconconnect", true)) {
LOG.warn("Ignoring time change for {}, time sync is disabled", action);
return;
}
switch (action) {
case Intent.ACTION_TIME_CHANGED:
case Intent.ACTION_TIMEZONE_CHANGED:
case ACTION_DST_CHANGED:
// Continue after the switch
break;
default:
LOG.warn("Unknown action {}", action);
return;
}
final Date newTime = GregorianCalendar.getInstance().getTime();
LOG.info("Time or Timezone changed, syncing with device: {} ({}), {}", DateTimeUtils.formatDate(newTime), newTime.toGMTString(), intent.getAction());
GBApplication.deviceService().onSetTime();
// Reschedule the next DST change, since the timezone may have changed
scheduleNextDstChange(context);
}
/**
* Schedule an alarm to trigger on the next DST change, since ACTION_TIMEZONE_CHANGED is not broadcast otherwise.
*
* @param context the context
*/
public static void scheduleNextDstChange(final Context context) {
final ZoneId zoneId = ZoneId.systemDefault();
final ZoneRules zoneRules = zoneId.getRules();
final Instant now = Instant.now();
final ZoneOffsetTransition transition = zoneRules.nextTransition(now);
final long nextDstMillis = transition.getInstant().toEpochMilli();
final long delayMillis = nextDstMillis - now.toEpochMilli() + 5000L;
final Intent i = new Intent(context, TimeChangeReceiver.class);
i.setAction(ACTION_DST_CHANGED);
final PendingIntent pi = PendingIntentUtils.getBroadcast(context, 0, i, 0, false);
final AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
final boolean exactAlarm = canScheduleExactAlarms(context, am);
LOG.info("Scheduling next DST change: {} (in {} millis) (exact = {})", nextDstMillis, delayMillis, exactAlarm);
am.cancel(pi);
boolean scheduledExact = false;
if (exactAlarm) {
try {
am.setExact(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + delayMillis, pi);
scheduledExact = true;
} catch (final Exception e) {
LOG.error("Failed to schedule exact alarm for next DST change", e);
}
}
// Fallback to inexact alarm if the exact one failed
if (!scheduledExact) {
try {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
am.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + delayMillis, pi);
} else {
am.set(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + delayMillis, pi);
}
} catch (final Exception e) {
LOG.error("Failed to schedule inexact alarm next DST change", e);
}
}
}
private static boolean canScheduleExactAlarms(final Context context, final AlarmManager am) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
return am.canScheduleExactAlarms();
} else {
return GB.checkPermission(context, "android.permission.SCHEDULE_EXACT_ALARM");
}
}
}

1
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/DeviceCommunicationService.java
View File

@ -1247,6 +1247,7 @@ public class DeviceCommunicationService extends Service implements SharedPrefere
IntentFilter filter = new IntentFilter();
filter.addAction("android.intent.action.TIME_SET");
filter.addAction("android.intent.action.TIMEZONE_CHANGED");
filter.addAction(TimeChangeReceiver.ACTION_DST_CHANGED);
registerReceiver(mTimeChangeReceiver, filter);
}
if (mBlueToothPairingRequestReceiver == null) {