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uidriver/mobile: Convert a panic to an error for handling

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This is a dirty hack but there is no other way to handle panics to
report to Crashlytics.
This commit is contained in:
Hajime Hoshi 2019-02-23 20:41:52 +09:00
parent 4373bd8b89
commit f835c8ce7f
1 changed files with 13 additions and 1 deletions
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14
internal/uidriver/mobile/ui.go
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@ -18,7 +18,9 @@ package mobile
import (
"context"
"fmt"
"image"
"runtime/debug"
"sync"
"time"
@ -192,7 +194,17 @@ func (u *UserInterface) RunWithoutMainLoop(width, height int, scale float64, tit
return ch
}
func (u *UserInterface) run(width, height int, scale float64, title string, context driver.UIContext, graphics driver.Graphics, mainloop bool) error {
func (u *UserInterface) run(width, height int, scale float64, title string, context driver.UIContext, graphics driver.Graphics, mainloop bool) (err error) {
// Convert the panic to a regular error so that Java/Objective-C layer can treat this easily e.g., for
// Crashlytics. A panic is treated as SIGABRT, and there is no way to handle this on Java/Objective-C layer
// unfortunately.
// TODO: Panic on other goroutines cannot be handled here.
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("%v\n%q", r, string(debug.Stack()))
}
}()
u.m.Lock()
u.width = width
u.height = height