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Commit 3f3034c2 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Fix the NPE issue" into sc-dev am: 74babf6e 

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/15056869

Change-Id: I154f60cc017cc1ff063459953c8d5171653d69ea
parents 69dd1660 74babf6e

src/com/android/settings/network/NetworkProviderSettings.java

+8 −3
Original line number Diff line number Diff line
@@ -201,7 +201,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment 
     * ensure that behavior is consistent if {@link #isUiRestricted()} changes. It could be changed

     * by the Test DPC tool in AFW mode.

     */

    private boolean mIsRestricted;

    protected boolean mIsRestricted;



    @VisibleForTesting

    AirplaneModeEnabler mAirplaneModeEnabler;
@@ -219,7 +219,8 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment 
    PreferenceCategory mConnectedWifiEntryPreferenceCategory;

    @VisibleForTesting

    PreferenceCategory mFirstWifiEntryPreferenceCategory;

    private PreferenceCategory mWifiEntryPreferenceCategory;

    @VisibleForTesting

    PreferenceCategory mWifiEntryPreferenceCategory;

    @VisibleForTesting

    AddWifiNetworkPreference mAddWifiNetworkPreference;

    private WifiSwitchPreferenceController mWifiSwitchPreferenceController;
@@ -794,7 +795,11 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment 
        }

    }



    private void updateWifiEntryPreferences() {

    protected void updateWifiEntryPreferences() {

        // bypass the update if the activity and the view are not ready, or it's restricted UI.

        if (getActivity() == null || getView() == null || mIsRestricted) {

            return;

        }

        // in case state has changed

        if (mWifiPickerTracker.getWifiState() != WifiManager.WIFI_STATE_ENABLED) {

            return;

tests/robotests/src/com/android/settings/network/NetworkProviderSettingsTest.java

+28 −0
Original line number Diff line number Diff line
@@ -535,4 +535,32 @@ public class NetworkProviderSettingsTest { 


        assertThat(p instanceof NetworkProviderSettings.FirstWifiEntryPreference).isTrue();

    }



    @Test

    public void updateWifiEntryPreferences_activityIsNull_ShouldNotCrash() {

        when(mNetworkProviderSettings.getActivity()).thenReturn(null);



        // should not crash

        mNetworkProviderSettings.updateWifiEntryPreferences();

    }



    @Test

    public void updateWifiEntryPreferences_viewIsNull_ShouldNotCrash() {

        final FragmentActivity activity = mock(FragmentActivity.class);

        when(mNetworkProviderSettings.getActivity()).thenReturn(activity);

        when(mNetworkProviderSettings.getView()).thenReturn(null);



        // should not crash

        mNetworkProviderSettings.updateWifiEntryPreferences();

    }



    @Test

    public void updateWifiEntryPreferences_isRestricted_bypassUpdate() {

        mNetworkProviderSettings.mIsRestricted = true;

        mNetworkProviderSettings.mWifiEntryPreferenceCategory = mock(PreferenceCategory.class);



        mNetworkProviderSettings.updateWifiEntryPreferences();



        verify(mNetworkProviderSettings.mWifiEntryPreferenceCategory, never()).setVisible(true);

    }

}