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x/mobile/example: paint event sending is too much on iOS #13511

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nobonobo opened this issue Dec 6, 2015 · 2 comments
Open

x/mobile/example: paint event sending is too much on iOS #13511

nobonobo opened this issue Dec 6, 2015 · 2 comments
Labels
mobile Android, iOS, and x/mobile
Milestone
Unreleased

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@nobonobo
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nobonobo commented Dec 6, 2015

  • Go 1.5.2(OS-X 10.10)
  • target device: iPhone5s iOS 9.1
  • expected behavior: Just a good paint frequency.
  • instead behavior: high CPU load and Irregular paint timing.

iOS device requires following patch

diff --git a/example/basic/main.go b/example/basic/main.go
index 2b2e0c9..f826c45 100644
--- a/example/basic/main.go
+++ b/example/basic/main.go
@@ -89,7 +89,7 @@ func main() {
                                a.Publish()
                                // Drive the animation by preparing to paint the next frame
                                // after this one is shown.
-                               a.Send(paint.Event{})
+                               //a.Send(paint.Event{})
                        case touch.Event:
                                touchX = e.X
                                touchY = e.Y
@nobonobo
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nobonobo commented Dec 6, 2015

But, this statement is required for Android:

a.Send(paint.Event{})

@rakyll
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rakyll commented Dec 7, 2015

/cc @crawshaw

@rakyll rakyll added this to the Unreleased milestone Dec 7, 2015
@gopherbot gopherbot added the mobile Android, iOS, and x/mobile label Jul 20, 2017
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mobile Android, iOS, and x/mobile
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@rakyll @nobonobo @gopherbot