Merge "Refactor status page to DashboardFragment"

src/com/android/settings/core/PreferenceControllerMixin.java

@@ -15,6 +15,9 @@
  */
 package com.android.settings.core;
 
+import android.text.TextUtils;
+import android.util.Log;
+
 import com.android.settings.search.ResultPayload;
 import com.android.settings.search.SearchIndexableRaw;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -26,6 +29,8 @@ import java.util.List;
  */
 public interface PreferenceControllerMixin {
 
+    String TAG = "PrefControllerMixin";
+
     /**
      * Updates non-indexable keys for search provider.
      *
@@ -34,7 +39,13 @@ public interface PreferenceControllerMixin {
     default void updateNonIndexableKeys(List<String> keys) {
         if (this instanceof AbstractPreferenceController) {
             if (!((AbstractPreferenceController) this).isAvailable()) {
-                keys.add(((AbstractPreferenceController) this).getPreferenceKey());
+                final String key = ((AbstractPreferenceController) this).getPreferenceKey();
+                if (TextUtils.isEmpty(key)) {
+                    Log.w(TAG,
+                            "Skipping updateNonIndexableKeys due to empty key " + this.toString());
+                    return;
+                }
+                keys.add(key);
             }
         }
     }

src/com/android/settings/deviceinfo/BatteryInfoPreferenceController.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deviceinfo;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.Utils;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
+
+public class BatteryInfoPreferenceController extends AbstractPreferenceController
+        implements PreferenceControllerMixin, LifecycleObserver, OnStart, OnStop {
+
+    @VisibleForTesting
+    static final IntentFilter BATTERY_INFO_RECEIVER_INTENT_FILTER =
+            new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
+    @VisibleForTesting
+    static final String KEY_BATTERY_STATUS = "battery_status";
+    @VisibleForTesting
+    static final String KEY_BATTERY_LEVEL = "battery_level";
+
+    @VisibleForTesting
+    BroadcastReceiver mBatteryInfoReceiver;
+    private Preference mBatteryStatus;
+    private Preference mBatteryLevel;
+
+
+    public BatteryInfoPreferenceController(Context context, Lifecycle lifecycle) {
+        super(context);
+        mBatteryInfoReceiver = new BatteryInfoReceiver(context);
+        if (lifecycle != null) {
+            lifecycle.addObserver(this);
+        }
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return null;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mBatteryLevel = screen.findPreference(KEY_BATTERY_LEVEL);
+        mBatteryStatus = screen.findPreference(KEY_BATTERY_STATUS);
+    }
+
+    @Override
+    public void onStart() {
+        mContext.registerReceiver(mBatteryInfoReceiver, BATTERY_INFO_RECEIVER_INTENT_FILTER);
+    }
+
+    @Override
+    public void onStop() {
+        mContext.unregisterReceiver(mBatteryInfoReceiver);
+    }
+
+    private class BatteryInfoReceiver extends BroadcastReceiver {
+
+        private final Context mContext;
+
+        public BatteryInfoReceiver(Context context) {
+            mContext = context;
+        }
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
+                mBatteryLevel.setSummary(Utils.getBatteryPercentage(intent));
+                mBatteryStatus.setSummary(Utils.getBatteryStatus(mContext.getResources(), intent));
+            }
+        }
+    }
+}

src/com/android/settings/deviceinfo/ImeiInfoPreferenceController.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deviceinfo;
+
+import android.content.Context;
+import android.os.UserManager;
+
+import com.android.settings.Utils;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+public class ImeiInfoPreferenceController extends AbstractPreferenceController
+        implements PreferenceControllerMixin {
+
+    private static final String KEY_IMEI_INFO = "imei_info";
+
+    public ImeiInfoPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return ((UserManager) mContext.getSystemService(Context.USER_SERVICE)).isAdminUser()
+                && !Utils.isWifiOnly(mContext);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_IMEI_INFO;
+    }
+}

src/com/android/settings/deviceinfo/SimStatusPreferenceController.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deviceinfo;
+
+import android.content.Context;
+import android.os.UserManager;
+
+import com.android.settings.Utils;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+public class SimStatusPreferenceController extends AbstractPreferenceController
+        implements PreferenceControllerMixin {
+
+    private static final String KEY_SIM_STATUS = "sim_status";
+
+    public SimStatusPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return ((UserManager) mContext.getSystemService(Context.USER_SERVICE)).isAdminUser()
+                && !Utils.isWifiOnly(mContext);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_SIM_STATUS;
+    }
+}

src/com/android/settings/deviceinfo/Status.java

@@ -16,95 +16,26 @@
 
 package com.android.settings.deviceinfo;
 
-import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.os.Bundle;
-import android.os.UserManager;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.Utils;
+import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settings.search.Indexable;
+import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
 /**
  * Fragment for showing device hardware info, such as MAC addresses and serial numbers
  */
-public class Status extends SettingsPreferenceFragment implements Indexable {
+public class Status extends DashboardFragment {
 
-    private static final String KEY_BATTERY_STATUS = "battery_status";
-    private static final String KEY_BATTERY_LEVEL = "battery_level";
-    private static final String KEY_SIM_STATUS = "sim_status";
-    private static final String KEY_IMEI_INFO = "imei_info";
-
-    private SerialNumberPreferenceController mSerialNumberPreferenceController;
-    private UptimePreferenceController mUptimePreferenceController;
-    private Preference mBatteryStatus;
-    private Preference mBatteryLevel;
-    private BluetoothAddressPreferenceController mBluetoothAddressPreferenceController;
-    private IpAddressPreferenceController mIpAddressPreferenceController;
-    private WifiMacAddressPreferenceController mWifiMacAddressPreferenceController;
-    private ImsStatusPreferenceController mImsStatusPreferenceController;
-
-    private BroadcastReceiver mBatteryInfoReceiver = new BroadcastReceiver() {
-
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            String action = intent.getAction();
-            if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
-                mBatteryLevel.setSummary(Utils.getBatteryPercentage(intent));
-                mBatteryStatus.setSummary(Utils.getBatteryStatus(getResources(), intent));
-            }
-        }
-    };
-
-    @Override
-    public void onCreate(Bundle icicle) {
-        super.onCreate(icicle);
-
-        final Context context = getContext();
-        final Lifecycle lifecycle = getLifecycle();
-        mSerialNumberPreferenceController = new SerialNumberPreferenceController(context);
-        mUptimePreferenceController = new UptimePreferenceController(context, lifecycle);
-        mBluetoothAddressPreferenceController =
-                new BluetoothAddressPreferenceController(context, lifecycle);
-        mIpAddressPreferenceController = new IpAddressPreferenceController(context, lifecycle);
-        mWifiMacAddressPreferenceController =
-                new WifiMacAddressPreferenceController(context, lifecycle);
-        mImsStatusPreferenceController = new ImsStatusPreferenceController(context, lifecycle);
-
-        addPreferencesFromResource(R.xml.device_info_status);
-        mBatteryLevel = findPreference(KEY_BATTERY_LEVEL);
-        mBatteryStatus = findPreference(KEY_BATTERY_STATUS);
-
-        final PreferenceScreen screen = getPreferenceScreen();
-
-        mSerialNumberPreferenceController.displayPreference(screen);
-        mUptimePreferenceController.displayPreference(screen);
-        mBluetoothAddressPreferenceController.displayPreference(screen);
-        mIpAddressPreferenceController.displayPreference(screen);
-        mWifiMacAddressPreferenceController.displayPreference(screen);
-        mImsStatusPreferenceController.displayPreference(screen);
-
-        // Remove SimStatus and Imei for Secondary user as it access Phone b/19165700
-        // Also remove on Wi-Fi only devices.
-        //TODO: the bug above will surface in split system user mode.
-        if (!UserManager.get(getContext()).isAdminUser()
-                || Utils.isWifiOnly(getContext())) {
-            removePreferenceFromScreen(KEY_SIM_STATUS);
-            removePreferenceFromScreen(KEY_IMEI_INFO);
-        }
-    }
+    private static final String TAG = "DeviceStatus";
 
     @Override
     public int getMetricsCategory() {
@@ -112,28 +43,33 @@ public class Status extends SettingsPreferenceFragment implements Indexable {
     }
 
     @Override
-    public void onResume() {
-        super.onResume();
-        getContext().registerReceiver(mBatteryInfoReceiver,
-                new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
+    protected String getLogTag() {
+        return TAG;
     }
 
     @Override
-    public void onPause() {
-        super.onPause();
-
-        getContext().unregisterReceiver(mBatteryInfoReceiver);
+    protected int getPreferenceScreenResId() {
+        return R.xml.device_info_status;
     }
 
-    /**
-     * Removes the specified preference, if it exists.
-     * @param key the key for the Preference item
-     */
-    private void removePreferenceFromScreen(String key) {
-        Preference pref = findPreference(key);
-        if (pref != null) {
-            getPreferenceScreen().removePreference(pref);
-        }
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context, getLifecycle());
+    }
+
+    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
+            Lifecycle lifecycle) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new SerialNumberPreferenceController(context));
+        controllers.add(new UptimePreferenceController(context, lifecycle));
+        controllers.add(new BluetoothAddressPreferenceController(context, lifecycle));
+        controllers.add(new IpAddressPreferenceController(context, lifecycle));
+        controllers.add(new WifiMacAddressPreferenceController(context, lifecycle));
+        controllers.add(new ImsStatusPreferenceController(context, lifecycle));
+        controllers.add(new SimStatusPreferenceController(context));
+        controllers.add(new ImeiInfoPreferenceController(context));
+        controllers.add(new BatteryInfoPreferenceController(context, lifecycle));
+        return controllers;
     }
 
     /**
@@ -149,5 +85,11 @@ public class Status extends SettingsPreferenceFragment implements Indexable {
                     sir.xmlResId = R.xml.device_info_status;
                     return Arrays.asList(sir);
                 }
+
+                @Override
+                public List<AbstractPreferenceController> getPreferenceControllers(Context
+                        context) {
+                    return buildPreferenceControllers(context, null /* lifecycle */);
+                }
             };
 }

tests/robotests/src/com/android/settings/deviceinfo/BatteryInfoPreferenceControllerTest.java

@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deviceinfo;
+
+import static com.android.settings.deviceinfo.BatteryInfoPreferenceController
+        .BATTERY_INFO_RECEIVER_INTENT_FILTER;
+import static com.android.settings.deviceinfo.BatteryInfoPreferenceController.KEY_BATTERY_LEVEL;
+import static com.android.settings.deviceinfo.BatteryInfoPreferenceController.KEY_BATTERY_STATUS;
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.BatteryManager;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class BatteryInfoPreferenceControllerTest {
+
+    private Context mContext;
+    @Mock
+    private PreferenceScreen mScreen;
+
+    private Preference mBatteryLevel;
+    private Preference mBatteryStatus;
+    private Lifecycle mLifecycle;
+    private BatteryInfoPreferenceController mController;
+
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mLifecycle = new Lifecycle();
+        mController = new BatteryInfoPreferenceController(mContext, mLifecycle);
+        mBatteryLevel = new Preference(mContext);
+        mBatteryStatus = new Preference(mContext);
+        when(mScreen.findPreference(KEY_BATTERY_STATUS)).thenReturn(mBatteryStatus);
+        when(mScreen.findPreference(KEY_BATTERY_LEVEL)).thenReturn(mBatteryLevel);
+    }
+
+    @Test
+    public void isAlwaysAvailable() {
+        assertThat(mController.getPreferenceKey()).isNull();
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void runThroughLifecycle_shouldRegisterUnregisterBatteryInfoReceiver() {
+        final Context context = mock(Context.class);
+        mController = new BatteryInfoPreferenceController(context, mLifecycle);
+        mLifecycle.onStart();
+        mLifecycle.onStop();
+
+        verify(context).registerReceiver(mController.mBatteryInfoReceiver,
+                BATTERY_INFO_RECEIVER_INTENT_FILTER);
+        verify(context).unregisterReceiver(mController.mBatteryInfoReceiver);
+    }
+
+    @Test
+    public void onReceiveBatteryInfoBroadcast_shouldUpdatePreferences() {
+        mController.displayPreference(mScreen);
+        final Intent intent = new Intent(Intent.ACTION_BATTERY_CHANGED);
+        intent.putExtra(BatteryManager.EXTRA_LEVEL, 50);
+        intent.putExtra(BatteryManager.EXTRA_SCALE, 100);
+        intent.putExtra(BatteryManager.EXTRA_STATUS, BatteryManager.BATTERY_STATUS_CHARGING);
+
+        mController.mBatteryInfoReceiver.onReceive(mContext, intent);
+
+        assertThat(mBatteryLevel.getSummary()).isEqualTo("50%");
+        assertThat(mBatteryStatus.getSummary())
+                .isEqualTo(mContext.getText(R.string.battery_info_status_charging));
+    }
+}

tests/robotests/src/com/android/settings/deviceinfo/ImeiInfoPreferenceControllerTest.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deviceinfo;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.os.UserManager;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class ImeiInfoPreferenceControllerTest {
+    @Mock
+    private Context mContext;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private ConnectivityManager mConnectivityManager;
+
+    private ImeiInfoPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        when(mContext.getSystemService(Context.CONNECTIVITY_SERVICE)).thenReturn(
+                mConnectivityManager);
+        mController = new ImeiInfoPreferenceController(mContext);
+    }
+
+    @Test
+    public void testIsAvailable_isAdminAndHasMobile_shouldReturnTrue() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        when(mConnectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE))
+                .thenReturn(true);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void testIsAvailable_isAdminButNoMobile_shouldReturnFalse() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        when(mConnectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE))
+                .thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void testIsAvailable_isNotAdmin_shouldReturnFalse() {
+        when(mUserManager.isAdminUser()).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+}

tests/robotests/src/com/android/settings/deviceinfo/SimStatusPreferenceControllerTest.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deviceinfo;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.os.UserManager;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class SimStatusPreferenceControllerTest {
+
+    @Mock
+    private Context mContext;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private ConnectivityManager mConnectivityManager;
+
+    private SimStatusPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        when(mContext.getSystemService(Context.CONNECTIVITY_SERVICE)).thenReturn(
+                mConnectivityManager);
+        mController = new SimStatusPreferenceController(mContext);
+    }
+
+    @Test
+    public void testIsAvailable_isAdminAndHasMobile_shouldReturnTrue() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        when(mConnectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE))
+                .thenReturn(true);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void testIsAvailable_isAdminButNoMobile_shouldReturnFalse() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        when(mConnectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE))
+                .thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void testIsAvailable_isNotAdmin_shouldReturnFalse() {
+        when(mUserManager.isAdminUser()).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+}