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Commit 78411934 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "[Settings] Avoid NPE when user enter WifiCallingSettings back and... 

Merge "[Settings] Avoid NPE when user enter WifiCallingSettings back and forth" into udc-d1-dev am: 1765c1dc am: ee77d651 am: f5acc230

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23695884



Change-Id: Ibfbd74b4c9f2298fe210b22dccf36acb71f3c99c
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 0f2e5816 f5acc230

src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java

+7 −21
Original line number Diff line number Diff line
@@ -94,7 +94,6 @@ public class WifiCallingSettingsForSub extends SettingsPreferenceFragment 
    private ListWithEntrySummaryPreference mButtonWfcRoamingMode;

    private Preference mUpdateAddress;



    private boolean mValidListener = false;

    private boolean mEditableWfcMode = true;

    private boolean mEditableWfcRoamingMode = true;

    private boolean mUseWfcHomeModeForRoaming = false;
@@ -104,7 +103,7 @@ public class WifiCallingSettingsForSub extends SettingsPreferenceFragment 
    private ProvisioningManager mProvisioningManager;

    private TelephonyManager mTelephonyManager;



    private final PhoneTelephonyCallback mTelephonyCallback = new PhoneTelephonyCallback();

    private PhoneTelephonyCallback mTelephonyCallback;



    private class PhoneTelephonyCallback extends TelephonyCallback implements

            TelephonyCallback.CallStateListener {
@@ -420,27 +419,20 @@ public class WifiCallingSettingsForSub extends SettingsPreferenceFragment 
    @Override

    public void onResume() {

        super.onResume();



        updateBody();



        final Context context = getActivity();

        if (queryImsState(mSubId).isWifiCallingSupported()) {

        Context context = getActivity();

        if (mTelephonyCallback == null && queryImsState(mSubId).isWifiCallingSupported()) {

            mTelephonyCallback = new PhoneTelephonyCallback();

            getTelephonyManagerForSub(mSubId).registerTelephonyCallback(

                    context.getMainExecutor(), mTelephonyCallback);



            mSwitchBar.addOnSwitchChangeListener(this);



            mValidListener = true;

        }



        context.registerReceiver(mIntentReceiver, mIntentFilter,

                Context.RECEIVER_EXPORTED_UNAUDITED);



        final Intent intent = getActivity().getIntent();

        if (intent.getBooleanExtra(Phone.EXTRA_KEY_ALERT_SHOW, false)) {

            showAlert(intent);

        }



        // Register callback for provisioning changes.

        registerProvisioningChangedCallback();

    }
@@ -448,19 +440,13 @@ public class WifiCallingSettingsForSub extends SettingsPreferenceFragment 
    @Override

    public void onPause() {

        super.onPause();



        final Context context = getActivity();



        if (mValidListener) {

            mValidListener = false;



        Context context = getActivity();

        if (mTelephonyCallback != null) {

            getTelephonyManagerForSub(mSubId).unregisterTelephonyCallback(mTelephonyCallback);



            mTelephonyCallback = null;

            mSwitchBar.removeOnSwitchChangeListener(this);

        }



        context.unregisterReceiver(mIntentReceiver);



        // Remove callback for provisioning changes.

        unregisterProvisioningChangedCallback();

    }