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[iOS platform view] fix active_composition_order_ never cleared (flutter/engine#18153)

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Chris Yang 2020-05-05 17:59:39 -07:00 committed by GitHub
parent 7a6448352f
commit 906b86b159
1 changed files with 2 additions and 0 deletions
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2
engine/src/flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm
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@ -576,6 +576,8 @@ bool FlutterPlatformViewsController::SubmitFrame(GrContext* gr_context,
void FlutterPlatformViewsController::BringLayersIntoView(LayersMap layer_map) {
UIView* flutter_view = flutter_view_.get();
auto zIndex = 0;
// Clear the `active_composition_order_`, which will be populated down below.
active_composition_order_.clear();
for (size_t i = 0; i < composition_order_.size(); i++) {
int64_t platform_view_id = composition_order_[i];
std::vector<std::shared_ptr<FlutterPlatformViewLayer>> layers = layer_map[platform_view_id];