protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
var content = _viewId.HasValue
? LayoutInflater.Inflate(_viewId.Value, null)
: CreateDefaultView();
if (content != null)
{
SetContentView(content);
}
if (Interlocked.Exchange(ref _state, StartedState) == DefaultState)
{
AndroidToolkitExtensions.SetCurrentActivity(this, false);
if (AndroidBootstrapperBase.Current != null && AndroidBootstrapperBase.Current.IsInitialized)
{
StartBootstrapperCallback(this);
}
else
{
ThreadPool.QueueUserWorkItem(StartBootstrapperCallback, this);
}
}
}
public void OnActivityDestroyed(Activity activity)
{
if (IsAlive() && !(activity is IActivityView))
{
AndroidToolkitExtensions.SetCurrentActivity(activity, true);
}
}
private void RaiseNew(Activity activity)
{
if (IsAlive() && !(activity is IActivityView) && _service.CurrentContent != activity)
{
AndroidToolkitExtensions.SetCurrentActivity(activity, false);
_service.RaiseNavigated(activity, NavigationMode.New, null, null);
}
}
public void OnActivityDestroyed(Activity activity)
{
Interlocked.Decrement(ref _activityCounter);
if (IsAlive() && !(activity is IActivityView))
{
AndroidToolkitExtensions.SetCurrentActivity(activity, true);
}
}
public override void OnDestroy(Action baseOnDestroy)
{
if (Tracer.TraceInformation)
{
Tracer.Info($"OnDestroy activity({Target})");
}
ServiceProvider.EventAggregator.Unsubscribe(this);
Destroyed?.Invoke(Target, EventArgs.Empty);
_view.ClearBindingsRecursively(true, true, AndroidToolkitExtensions.AggressiveViewCleanup);
_view = null;
if (_metadata != null)
{
_metadata.Clear();
_metadata = null;
}
MenuTemplate.Clear(_menu);
_menu = null;
if (_menuInflater != null)
{
_menuInflater.Dispose();
_menuInflater = null;
}
if (_layoutInflater != null)
{
_layoutInflater.Dispose();
_layoutInflater = null;
}
ServiceProvider.Get <INavigationService>().OnDestroyActivity(Target, NavigationContext);
base.OnDestroy(baseOnDestroy);
ThreadPool.QueueUserWorkItem(state => AndroidToolkitExtensions.CleanupWeakReferences(true));
AndroidToolkitExtensions.SetCurrentActivity(Target, true);
Target.ClearBindings(false, true);
OptionsItemSelected = null;
ActivityResult = null;
ConfigurationChanged = null;
PostCreate = null;
BackPressing = null;
Created = null;
Started = null;
Paused = null;
SaveInstanceState = null;
Stoped = null;
Restarted = null;
Resume = null;
Destroyed = null;
}
public void OnResumeActivity(Activity activity, IDataContext context)
{
Should.NotBeNull(activity, nameof(activity));
SetBackground(false, context);
var prevContent = CurrentContent;
if ((_newContext == null || IsFinishing(activity) || !_newContext.GetData(NavigationProvider.BringToFront)) && ReferenceEquals(activity, prevContent))
{
return;
}
var viewModel = activity.DataContext() as IViewModel;
viewModel?.Settings.Metadata.Remove(NavigationProvider.BringToFront);
AndroidToolkitExtensions.SetCurrentActivity(activity, false);
var bundle = GetState(activity);
if (bundle.ContainsKey(IsOpenedKey))
{
NavigationMode mode;
IDataContext ctx = _backContext;
if (ctx != null || prevContent != null && IsFinishing(prevContent))
{
mode = NavigationMode.Back;
_backContext = null;
}
else
{
ctx = _newContext;
_newContext = null;
mode = NavigationMode.Refresh;
}
RaiseNavigated(activity, mode, GetParameterFromIntent(activity.Intent), MergeContext(ctx, context));
}
else
{
bundle.PutBoolean(IsOpenedKey, true);
var newContext = _newContext;
_newContext = null;
RaiseNavigated(activity, NavigationMode.New, GetParameterFromIntent(activity.Intent), MergeContext(newContext, context));
}
}
public void OnResumeActivity(Activity activity, IDataContext context)
{
Should.NotBeNull(activity, nameof(activity));
SetBackground(false, context);
var prevContent = CurrentContent;
if (ReferenceEquals(activity, prevContent))
{
return;
}
AndroidToolkitExtensions.SetCurrentActivity(activity, false);
var bundle = GetState(activity);
if (bundle.ContainsKey(IsOpenedKey))
{
NavigationMode mode;
IDataContext ctx = _backContext;
if (ctx != null || prevContent != null && GetState(prevContent).ContainsKey(IsBackKey))
{
mode = NavigationMode.Back;
_backContext = null;
}
else
{
ctx = _newContext;
_newContext = null;
mode = NavigationMode.Refresh;
}
RaiseNavigated(activity, mode, GetParameterFromIntent(activity.Intent), MergeContext(ctx, context));
}
else
{
bundle.PutBoolean(IsOpenedKey, true);
var newContext = _newContext;
_newContext = null;
RaiseNavigated(activity, NavigationMode.New, GetParameterFromIntent(activity.Intent), MergeContext(newContext, context));
}
}
private static void StartBootstrapperCallback(object state)
{
var activityBase = (SplashScreenActivityBase)state;
Exception exception = null;
AndroidBootstrapperBase bootstrapper = null;
try
{
bootstrapper = AndroidBootstrapperBase.GetOrCreateBootstrapper(activityBase.CreateBootstrapper);
bootstrapper.Start();
}
catch (Exception e)
{
Tracer.Error(e.Flatten(true));
exception = e;
}
finally
{
activityBase.OnBootstrapperStarted(bootstrapper, exception);
AndroidToolkitExtensions.SetCurrentActivity(activityBase, true);
_state = DefaultState;
}
}
