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Using workaround for DBFlow clean up the database - Fixes #107

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This commit is contained in:
Franze Jr 2015-12-07 23:45:29 -03:00
parent 93175daadd
commit a3de93e627
1 changed files with 62 additions and 1 deletions
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63
Habitica/src/com/habitrpg/android/habitica/HabiticaApplication.java
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@ -9,6 +9,7 @@ import android.database.sqlite.SQLiteDatabase;
import android.preference.PreferenceManager;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.Log;
import com.facebook.FacebookSdk;
import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
@ -22,6 +23,8 @@ import org.solovyev.android.checkout.Products;
import org.solovyev.android.checkout.PurchaseVerifier;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.Arrays;
/**
@ -68,7 +71,65 @@ public class HabiticaApplication extends Application {
if(!name.endsWith(".db")){
name += ".db";
}
return super.deleteDatabase(getDatabasePath(name).getAbsolutePath());
FlowManager.destroy();
reflectionHack(getApplicationContext());
boolean deleted = super.deleteDatabase(getDatabasePath(name).getAbsolutePath());
if (deleted) {
Log.i("hack","Database deleted");
} else {
Log.e("hack", "Database not deleted");
}
if (exists(getApplicationContext())) {
Log.i("hack", "Database exists before FlowManager.init");
} else {
Log.i("hack", "Database does not exist before FlowManager.init");
}
return deleted;
}
// Hack for DBFlow - Not deleting Database
// https://github.com/kaeawc/dbflow-sample-app/blob/master/app/src/main/java/io/kaeawc/flow/app/ui/MainActivityFragment.java#L201
private void reflectionHack(@NonNull Context context) {
try {
Field field = FlowManager.class.getDeclaredField("mDatabaseHolder");
setFinalStatic(field, null);
} catch (NoSuchFieldException noSuchField) {
Log.e("nosuchfield", "No such field exists in FlowManager");
} catch (IllegalAccessException illegalAccess) {
Log.e("illegalaccess", "Illegal access of FlowManager");
}
FlowManager.init(context);
if (exists(context)) {
Log.i("Database", "Database exists after FlowManager.init with reflection hack");
} else {
Log.i("Database", "Database does not exist after FlowManager.init with reflection hack");
}
}
public static boolean exists(@NonNull Context context) {
String databaseName = "HabiticaDatabase/" + HabitDatabase.NAME;
try {
File dbFile = context.getDatabasePath(databaseName);
return dbFile.exists();
} catch (Exception exception) {
Log.e(exception.toString(), "Database %s doesn't exist.");
return false;
}
}
private static void setFinalStatic(Field field, Object newValue) throws NoSuchFieldException, IllegalAccessException {
field.setAccessible(true);
field.set(null, newValue);
}
@Override