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fix autobug: if app is shutting down, the activtity might be killed

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while the BLE scan is still happening
This commit is contained in:
geeksville 2020-06-08 14:30:07 -07:00
parent c0ada64653
commit e05a445a34
1 changed files with 4 additions and 2 deletions
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6
app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt
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@ -169,9 +169,11 @@ class BTScanModel(app: Application) : AndroidViewModel(app), Logging {
debug("onScanResult ${entry}")
// If nothing was selected, by default select the first valid thing we see
if (selectedAddress == null && entry.bonded)
val activity =
GeeksvilleApplication.currentActivity as MainActivity? // Can be null if app is shutting down
if (selectedAddress == null && entry.bonded && activity != null)
changeScanSelection(
GeeksvilleApplication.currentActivity as MainActivity,
activity,
fullAddr
)
addDevice(entry) // Add/replace entry