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Merge "[Settings] Avoid settings crash from NPE of TelephonyManager." into udc-dev

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This commit is contained in:
Tom Hsu
2023-05-26 02:08:13 +00:00
committed by Android (Google) Code Review
parent 67c72c01cb 06c3ae5e82
commit 69caf6fbe4
1 changed files with 6 additions and 0 deletions
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6
src/com/android/settings/network/telephony/PreferredNetworkModePreferenceController.java
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@@ -21,6 +21,7 @@ import android.os.PersistableBundle;
import android.telephony.CarrierConfigManager;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.Log;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
@@ -34,6 +35,7 @@ import com.android.settings.network.telephony.TelephonyConstants.TelephonyManage
*/
public class PreferredNetworkModePreferenceController extends TelephonyBasePreferenceController
implements ListPreference.OnPreferenceChangeListener {
private static final String TAG = "PrefNetworkModeCtrl";
private CarrierConfigCache mCarrierConfigCache;
private TelephonyManager mTelephonyManager;
@@ -99,6 +101,10 @@ public class PreferredNetworkModePreferenceController extends TelephonyBasePrefe
}
private int getPreferredNetworkMode() {
if (mTelephonyManager == null) {
Log.w(TAG, "TelephonyManager is null");
return TelephonyManagerConstants.NETWORK_MODE_UNKNOWN;
}
return MobileNetworkUtils.getNetworkTypeFromRaf(
(int) mTelephonyManager.getAllowedNetworkTypesForReason(
TelephonyManager.ALLOWED_NETWORK_TYPES_REASON_USER));