Add disabled by policy empty views to more screens.

Bug: 27588316
Bug: 27588671
Bug: 27588740
Change-Id: Id614067d76e936e9c3c585fdaed304bfbc88dc74

res/values/strings.xml

@@ -1801,6 +1801,8 @@
     <string name="wifi_saved_access_points_label">Saved networks</string>
     <!-- Wifi Advanced settings.  Used as a label under the shortcut icon that goes to Wifi advanced settings. [CHAR LIMIT=20] -->
     <string name="wifi_advanced_settings_label">IP settings</string>
+    <!-- Error message for users that aren't allowed to see or modify WiFi advanced settings [CHAR LIMIT=NONE] -->
+    <string name="wifi_advanced_not_available">Wi\u2011Fi advanced settings are not available for this user</string>
     <!-- Menu item to save the IP settings -->
     <string name="wifi_ip_settings_menu_save">Save</string>
     <!-- Menu ietm to cancel the IP settings -->

src/com/android/settings/ApnSettings.java

@@ -60,7 +60,7 @@ import com.android.internal.telephony.uicc.UiccController;
 
 import java.util.ArrayList;
 
-public class ApnSettings extends SettingsPreferenceFragment implements
+public class ApnSettings extends RestrictedSettingsFragment implements
         Preference.OnPreferenceChangeListener {
     static final String TAG = "ApnSettings";
 
@@ -103,8 +103,6 @@ public class ApnSettings extends SettingsPreferenceFragment implements
     private String mMvnoType;
     private String mMvnoMatchData;
 
-    private UserManager mUm;
-
     private String mSelectedKey;
 
     private IntentFilter mMobileStateFilter;
@@ -114,6 +112,10 @@ public class ApnSettings extends SettingsPreferenceFragment implements
     private boolean mHideImsApn;
     private boolean mAllowAddingApns;
 
+    public ApnSettings() {
+        super(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS);
+    }
+
     private final BroadcastReceiver mMobileStateReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
@@ -154,14 +156,10 @@ public class ApnSettings extends SettingsPreferenceFragment implements
         final int subId = activity.getIntent().getIntExtra(SUB_ID,
                 SubscriptionManager.INVALID_SUBSCRIPTION_ID);
 
-        mUm = (UserManager) getSystemService(Context.USER_SERVICE);
-
         mMobileStateFilter = new IntentFilter(
                 TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED);
 
-        if (!mUm.hasUserRestriction(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS)) {
+        setIfOnlyAvailableForAdmins(true);
-            setHasOptionsMenu(true);
-        }
 
         mSubscriptionInfo = SubscriptionManager.from(activity).getActiveSubscriptionInfo(subId);
         mUiccController = UiccController.getInstance();
@@ -177,16 +175,12 @@ public class ApnSettings extends SettingsPreferenceFragment implements
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
 
-        TextView empty = (TextView) getView().findViewById(android.R.id.empty);
+        getEmptyTextView().setText(R.string.apn_settings_not_available);
-        if (empty != null) {
+        mUnavailable = isUiRestricted();
-            empty.setText(R.string.apn_settings_not_available);
+        setHasOptionsMenu(!mUnavailable);
-            setEmptyView(empty);
+        if (mUnavailable) {
-        }
-
-        if (mUm.hasUserRestriction(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS)
-                || !mUm.isAdminUser()) {
-            mUnavailable = true;
             setPreferenceScreen(new PreferenceScreen(getPrefContext(), null));
+            getPreferenceScreen().removeAll();
             return;
         }
 

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

@@ -20,6 +20,7 @@ import android.app.ActionBar;
 import android.content.Context;
 import android.nfc.NfcAdapter;
 import android.os.Bundle;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -33,7 +34,11 @@ import com.android.settings.HelpUtils;
 import com.android.settings.InstrumentedFragment;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
+import com.android.settings.ShowAdminSupportDetailsDialog;
 import com.android.settings.widget.SwitchBar;
+import com.android.settingslib.RestrictedLockUtils;
+
+import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
 public class AndroidBeam extends InstrumentedFragment
         implements SwitchBar.OnSwitchChangeListener {
@@ -41,7 +46,8 @@ public class AndroidBeam extends InstrumentedFragment
     private NfcAdapter mNfcAdapter;
     private SwitchBar mSwitchBar;
     private CharSequence mOldActivityTitle;
-    private boolean mBeamDisallowed;
+    private boolean mBeamDisallowedByBase;
+    private boolean mBeamDisallowedByAdmin;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -53,8 +59,6 @@ public class AndroidBeam extends InstrumentedFragment
         actionBar.setTitle(R.string.android_beam_settings_title);
 
         mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
-        mBeamDisallowed = ((UserManager) getActivity().getSystemService(Context.USER_SERVICE))
-                .hasUserRestriction(UserManager.DISALLOW_OUTGOING_BEAM);
         setHasOptionsMenu(true);
     }
 
@@ -68,8 +72,19 @@ public class AndroidBeam extends InstrumentedFragment
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
+        final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced(
+                getActivity(), UserManager.DISALLOW_OUTGOING_BEAM, UserHandle.myUserId());
+        final UserManager um = UserManager.get(getActivity());
+        mBeamDisallowedByBase = RestrictedLockUtils.hasBaseUserRestriction(getActivity(),
+                UserManager.DISALLOW_OUTGOING_BEAM, UserHandle.myUserId());
+        if (!mBeamDisallowedByBase && admin != null) {
+            View view = inflater.inflate(R.layout.admin_support_details_empty_view, null);
+            ShowAdminSupportDetailsDialog.setAdminSupportDetails(getActivity(), view, admin, false);
+            view.setVisibility(View.VISIBLE);
+            mBeamDisallowedByAdmin = true;
+            return view;
+        }
         mView = inflater.inflate(R.layout.android_beam, container, false);
-
         return mView;
     }
 
@@ -80,11 +95,15 @@ public class AndroidBeam extends InstrumentedFragment
         SettingsActivity activity = (SettingsActivity) getActivity();
 
         mSwitchBar = activity.getSwitchBar();
-        mSwitchBar.setChecked(!mBeamDisallowed && mNfcAdapter.isNdefPushEnabled());
+        if (!mBeamDisallowedByBase && mBeamDisallowedByAdmin) {
+            mSwitchBar.hide();
+        } else {
+            mSwitchBar.setChecked(!mBeamDisallowedByBase && mNfcAdapter.isNdefPushEnabled());
             mSwitchBar.addOnSwitchChangeListener(this);
-        mSwitchBar.setEnabled(!mBeamDisallowed);
+            mSwitchBar.setEnabled(!mBeamDisallowedByBase);
             mSwitchBar.show();
         }
+    }
 
     @Override
     public void onDestroyView() {

src/com/android/settings/wifi/AdvancedWifiSettings.java

@@ -22,14 +22,18 @@ import android.content.Context;
 import android.content.Intent;
 import android.net.wifi.WpsInfo;
 import android.os.Bundle;
+import android.os.UserManager;
 import android.security.Credentials;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import android.support.v7.preference.PreferenceScreen;
+
 import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.RestrictedSettingsFragment;
+import com.android.settingslib.RestrictedLockUtils;
 
-public class AdvancedWifiSettings extends SettingsPreferenceFragment {
+public class AdvancedWifiSettings extends RestrictedSettingsFragment {
     private static final String TAG = "AdvancedWifiSettings";
 
     private static final String KEY_INSTALL_CREDENTIALS = "install_credentials";
@@ -37,6 +41,12 @@ public class AdvancedWifiSettings extends SettingsPreferenceFragment {
     private static final String KEY_WPS_PUSH = "wps_push_button";
     private static final String KEY_WPS_PIN = "wps_pin_entry";
 
+    private boolean mUnavailable;
+
+    public AdvancedWifiSettings() {
+        super(UserManager.DISALLOW_CONFIG_WIFI);
+    }
+
     @Override
     protected int getMetricsCategory() {
         return MetricsEvent.WIFI_ADVANCED;
@@ -45,14 +55,30 @@ public class AdvancedWifiSettings extends SettingsPreferenceFragment {
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        if (isUiRestricted()) {
+            mUnavailable = true;
+            setPreferenceScreen(new PreferenceScreen(getPrefContext(), null));
+        } else {
             addPreferencesFromResource(R.xml.wifi_advanced_settings);
         }
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        getEmptyTextView().setText(R.string.wifi_advanced_not_available);
+        if (mUnavailable) {
+            getPreferenceScreen().removeAll();
+        }
+    }
 
     @Override
     public void onResume() {
         super.onResume();
+        if (!mUnavailable) {
             initPreferences();
         }
+    }
 
     private void initPreferences() {
         final Context context = getActivity();