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Code Issues Releases Wiki Activity

When memory is really low, free up some memory #436 

(although we probably can't save much)
here
cpfeiffer 2016-11-24 21:11:28 +01:00
parent 60cb67c3c8
commit 9bebf1d32f
2 changed files with 38 additions and 0 deletions
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28
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/GBApplication.java
View File

@ -22,6 +22,7 @@ import android.util.TypedValue;
import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
@ -32,9 +33,11 @@ import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
import nodomain.freeyourgadget.gadgetbridge.database.DBOpenHelper;
import nodomain.freeyourgadget.gadgetbridge.devices.DeviceManager;
import nodomain.freeyourgadget.gadgetbridge.entities.DaoMaster;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDeviceService;
import nodomain.freeyourgadget.gadgetbridge.model.ActivityUser;
import nodomain.freeyourgadget.gadgetbridge.model.DeviceService;
import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
import nodomain.freeyourgadget.gadgetbridge.util.GBPrefs;
@ -131,6 +134,31 @@ public class GBApplication extends Application {
}
}
@Override
public void onTrimMemory(int level) {
super.onTrimMemory(level);
if (level >= TRIM_MEMORY_BACKGROUND) {
if (!hasBusyDevice()) {
DBHelper.clearSession();
}
}
}
/**
* Returns true if at least a single device is busy, e.g synchronizing activity data
* or something similar.
* Note: busy is not the same as connected or initialized!
*/
private boolean hasBusyDevice() {
List<GBDevice> devices = getDeviceManager().getDevices();
for (GBDevice device: devices) {
if (device.isBusy()) {
return true;
}
}
return true;
}
public static void setupLogging(boolean enabled) {
logging.setupLogging(enabled);
}

10
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/database/DBHelper.java
View File

@ -26,6 +26,7 @@ import de.greenrobot.dao.query.Query;
import de.greenrobot.dao.query.QueryBuilder;
import de.greenrobot.dao.query.WhereCondition;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.GBException;
import nodomain.freeyourgadget.gadgetbridge.devices.AbstractSampleProvider;
import nodomain.freeyourgadget.gadgetbridge.devices.DeviceCoordinator;
import nodomain.freeyourgadget.gadgetbridge.devices.pebble.PebbleHealthSampleProvider;
@ -685,4 +686,13 @@ public class DBHelper {
}
return cursor.getInt(columnIndex);
}
public static void clearSession() {
try (DBHandler dbHandler = GBApplication.acquireDB()) {
DaoSession session = dbHandler.getDaoSession();
session.clear();
} catch (Exception e) {
LOG.warn("Unable to acquire database to clear the session", e);
}
}
}