public void SetContext(ReactContext _reactContext)
{
lock (_lifecycleStateLock)
{
if (_currentReactContext != _reactContext)
{
if (_currentReactContext != null)
{
// Suspend old context if needed. We don't touch the current lifecycle state.
if (_lifecycleState == LifecycleState.Foreground ||
_lifecycleState == LifecycleState.Background)
{
if (_lifecycleState == LifecycleState.Foreground)
{
_currentReactContext.OnEnteredBackground();
}
_currentReactContext.OnSuspend();
}
}
_currentReactContext = _reactContext;
if (_currentReactContext != null)
{
// Bring new context in sync with current lifecycle state
if (_lifecycleState == LifecycleState.Foreground ||
_lifecycleState == LifecycleState.Background)
{
_currentReactContext.OnResume();
if (_lifecycleState == LifecycleState.Foreground)
{
_currentReactContext.OnLeavingBackground();
}
}
}
}
}
}
private void TearDownReactContext(ReactContext reactContext)
{
DispatcherHelpers.AssertOnDispatcher();
if (_lifecycleState == LifecycleState.Resumed)
{
reactContext.OnSuspend();
}
foreach (var rootView in _attachedRootViews)
{
DetachViewFromInstance(rootView, reactContext.ReactInstance);
}
reactContext.Dispose();
_devSupportManager.OnReactContextDestroyed(reactContext);
// TODO: add memory pressure hooks
}
private async Task TearDownReactContextAsync(ReactContext reactContext)
{
DispatcherHelpers.AssertOnDispatcher();
if (_lifecycleState == LifecycleState.Resumed)
{
reactContext.OnSuspend();
}
foreach (var rootView in _attachedRootViews)
{
rootView.Children.Clear();
rootView.ClearData();
}
await reactContext.DisposeAsync();
_devSupportManager.OnReactContextDestroyed(reactContext);
// TODO: add memory pressure hooks
}
private async Task TearDownReactContextAsync(ReactContext reactContext)
{
DispatcherHelpers.AssertOnDispatcher();
if (_lifecycleState == LifecycleState.Resumed)
{
reactContext.OnSuspend();
}
foreach (var rootView in _attachedRootViews)
{
DetachViewFromInstance(rootView, reactContext.ReactInstance);
}
await reactContext.DisposeAsync();
_devSupportManager.OnReactContextDestroyed(reactContext);
// TODO: add memory pressure hooks
}
