PawletOS/app_Settings
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[Settings] Add null protection to avoid the crash

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Change-Id: Id933a33ecf2931445a57cf6588a9c9123c170707
Test: manual
Bug: 202162176
This commit is contained in:
Zoey Chen
2021-10-12 03:59:55 +00:00
parent 99e05ea46c
commit 9632cd7087
1 changed files with 3 additions and 1 deletions
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2
src/com/android/settings/network/telephony/NetworkProviderWifiCallingGroup.java
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@@ -285,9 +285,11 @@ public class NetworkProviderWifiCallingGroup extends
} }
public void unregister() { public void unregister() {
if (mTelephonyManager != null) {
mTelephonyManager.unregisterTelephonyCallback(this); mTelephonyManager.unregisterTelephonyCallback(this);
} }
} }
}
/** /**
* To indicate that should show the Wi-Fi calling preference or not. * To indicate that should show the Wi-Fi calling preference or not.