public override void onStart()
{
base.onStart();
// Create Realm instance for the UI thread
realm = Realm.DefaultInstance;
allSortedDots = realm.@where(typeof(Dot)).between("x", 25, 75).between("y", 0, 50).findAllSortedAsync("x", RealmResults.SORT_ORDER_ASCENDING, "y", RealmResults.SORT_ORDER_DESCENDING);
dotAdapter.updateList(allSortedDots);
allSortedDots.addChangeListener(this);
}
public override void onStop()
{
base.onStop();
// Remember to close the Realm instance when done with it.
cancelAsyncTransaction();
allSortedDots.removeChangeListener(this);
allSortedDots = null;
realm.close();
}
private void basicLinkQuery(Realm realm)
{
showStatus("\nPerforming basic Link Query operation...");
showStatus("Number of persons: " + realm.allObjects(typeof(Person)).size());
RealmResults <Person> results = realm.@where(typeof(Person)).equalTo("cats.name", "Tiger").findAll();
showStatus("Size of result set: " + results.size());
}
public virtual void updateCities()
{
// Pull all the cities from the realm
RealmResults <City> cities = realm.@where(typeof(City)).findAll();
// Put these items in the Adapter
mAdapter.Data = cities;
mAdapter.notifyDataSetChanged();
mGridView.invalidate();
}
public void ResultsShouldSendNotifications()
{
var query = _realm.All <Person>();
RealmResults <Person> .ChangeSet changes = null;
RealmResults <Person> .NotificationCallback cb = (s, c, e) => changes = c;
using (query.SubscribeForNotifications(cb))
{
_realm.Write(() => _realm.CreateObject <Person>());
TestHelpers.RunEventLoop(TimeSpan.FromMilliseconds(100));
Assert.That(changes?.InsertedIndices, Is.EquivalentTo(new int[] { 0 }));
}
}
private string complexQuery()
{
string status = "\n\nPerforming complex Query operation...";
Realm realm = Realm.getInstance(this);
status += "\nNumber of persons: " + realm.allObjects(typeof(Person)).size();
// Find all persons where age between 7 and 9 and name begins with "Person".
RealmResults <Person> results = realm.@where(typeof(Person)).between("age", 7, 9).beginsWith("name", "Person").findAll(); // Notice implicit "and" operation
status += "\nSize of result set: " + results.size();
realm.close();
return(status);
}
protected internal override void onCreate(Bundle savedInstanceState)
{
base.onCreate(savedInstanceState);
ContentView = R.layout.activity_my;
RealmConfiguration realmConfig = (new RealmConfiguration.Builder(this)).build();
Realm.deleteRealm(realmConfig);
realm = Realm.getInstance(realmConfig);
RealmResults <TimeStamp> timeStamps = realm.@where(typeof(TimeStamp)).findAll();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final MyAdapter adapter = new MyAdapter(this, R.id.listView, timeStamps, true);
MyAdapter adapter = new MyAdapter(this, R.id.listView, timeStamps, true);
ListView listView = (ListView)findViewById(R.id.listView);
listView.Adapter = adapter;
listView.OnItemLongClickListener = new OnItemLongClickListenerAnonymousInnerClassHelper(this, adapter);
}
public MyAdapter(Context context, int resId, RealmResults <TimeStamp> realmResults, bool automaticUpdate) : base(context, realmResults, automaticUpdate)
{
}
private void RealmObjectChanged(RealmResults <Models.OrderItem> sender, RealmResults <Models.OrderItem> .ChangeSet changes, Exception error)
{
this.Items = sender.Where(x => x.Hidden == true);
}
internal virtual void updateList(RealmResults<Dot> dots)
{
this.dots = dots;
notifyDataSetChanged();
}
private string complexReadWrite()
{
string status = "\nPerforming complex Read/Write operation...";
// Open the default realm. All threads must use it's own reference to the realm.
// Those can not be transferred across threads.
Realm realm = Realm.getInstance(this);
// Add ten persons in one transaction
realm.beginTransaction();
Dog fido = realm.createObject(typeof(Dog));
fido.Name = "fido";
for (int i = 0; i < 10; i++)
{
Person person = realm.createObject(typeof(Person));
person.Id = i;
person.Name = "Person no. " + i;
person.Age = i;
person.Dog = fido;
// The field tempReference is annotated with @Ignore.
// This means setTempReference sets the Person tempReference
// field directly. The tempReference is NOT saved as part of
// the RealmObject:
person.TempReference = 42;
for (int j = 0; j < i; j++)
{
Cat cat = realm.createObject(typeof(Cat));
cat.Name = "Cat_" + j;
person.Cats.add(cat);
}
}
realm.commitTransaction();
// Implicit read transactions allow you to access your objects
status += "\nNumber of persons: " + realm.allObjects(typeof(Person)).size();
// Iterate over all objects
foreach (Person pers in realm.allObjects(typeof(Person)))
{
string dogName;
if (pers.Dog == null)
{
dogName = "None";
}
else
{
dogName = pers.Dog.Name;
}
status += "\n" + pers.Name + ":" + pers.Age + " : " + dogName + " : " + pers.Cats.size();
// The field tempReference is annotated with @Ignore
// Though we initially set its value to 42, it has
// not been saved as part of the Person RealmObject:
assert(pers.TempReference == 0);
}
// Sorting
RealmResults <Person> sortedPersons = realm.allObjects(typeof(Person));
sortedPersons.sort("age", false);
assert(realm.allObjects(typeof(Person)).last().Name == sortedPersons.first().Name);
status += "\nSorting " + sortedPersons.last().Name + " == " + realm.allObjects(typeof(Person)).first().Name;
realm.close();
return(status);
}
public virtual void Subscribe(RealmResults <T> .NotificationCallback callback)
{
RealmInstance.All <T>().SubscribeForNotifications(callback);
}
public virtual void RemoveRange(RealmResults <T> range)
{
RealmInstance.RemoveRange(range);
}