Do not let guest user disable secure nfc am: 4e543a38f6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/16691813

Change-Id: Iffe578c58bf2dcebda45b0b71dd901bd3e08be41

src/com/android/settings/connecteddevice/AdvancedConnectedDeviceDashboardFragment.java

@@ -18,12 +18,16 @@ package com.android.settings.connecteddevice;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.content.pm.UserInfo;
+import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.SearchIndexableResource;
 
 import com.android.settings.R;
 import com.android.settings.bluetooth.BluetoothFilesPreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.nfc.AndroidBeamPreferenceController;
+import com.android.settings.nfc.SecureNfcPreferenceController;
 import com.android.settings.print.PrintSettingPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -106,6 +110,11 @@ public class AdvancedConnectedDeviceDashboardFragment extends DashboardFragment
                     if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC)) {
                         keys.add(AndroidBeamPreferenceController.KEY_ANDROID_BEAM_SETTINGS);
                     }
+                    final UserManager userManager = context.getSystemService(UserManager.class);
+                    final UserInfo myUserInfo = userManager.getUserInfo(UserHandle.myUserId());
+                    if (myUserInfo.isGuest()) {
+                        keys.add(SecureNfcPreferenceController.KEY_SECURENFC_SETTINGS);
+                    }
 
                     return keys;
                 }

src/com/android/settings/nfc/SecureNfcEnabler.java

@@ -18,9 +18,8 @@ package com.android.settings.nfc;
 
 import android.content.Context;
 import android.nfc.NfcAdapter;
-import android.provider.Settings;
+import android.os.UserManager;
 
-import androidx.annotation.VisibleForTesting;
 import androidx.preference.SwitchPreference;
 
 import com.android.settings.R;
@@ -32,10 +31,12 @@ import com.android.settings.R;
  */
 public class SecureNfcEnabler extends BaseNfcEnabler {
     private final SwitchPreference mPreference;
+    private final UserManager mUserManager;
 
     public SecureNfcEnabler(Context context, SwitchPreference preference) {
         super(context);
         mPreference = preference;
+        mUserManager = context.getSystemService(UserManager.class);
     }
 
     @Override
@@ -48,7 +49,7 @@ public class SecureNfcEnabler extends BaseNfcEnabler {
             case NfcAdapter.STATE_ON:
                 mPreference.setSummary(R.string.nfc_secure_toggle_summary);
                 mPreference.setChecked(mPreference.isChecked());
-                mPreference.setEnabled(true);
+                mPreference.setEnabled(isToggleable());
                 break;
             case NfcAdapter.STATE_TURNING_ON:
                 mPreference.setEnabled(false);
@@ -58,4 +59,11 @@ public class SecureNfcEnabler extends BaseNfcEnabler {
                 break;
         }
     }
+
+    private boolean isToggleable() {
+        if (mUserManager.isGuestUser()) {
+            return false;
+        }
+        return true;
+    }
 }

src/com/android/settings/nfc/SecureNfcPreferenceController.java

@@ -29,6 +29,7 @@ import com.android.settingslib.core.lifecycle.events.OnResume;
 public class SecureNfcPreferenceController extends TogglePreferenceController
         implements LifecycleObserver, OnResume, OnPause {
 
+    public static final String KEY_SECURENFC_SETTINGS = "nfc_secure_settings";
     private final NfcAdapter mNfcAdapter;
     private SecureNfcEnabler mSecureNfcEnabler;