From 8ce423cdd2f83258fc1cff4c6bcb207654faad65 Mon Sep 17 00:00:00 2001
From: Weng Su <wengsu@google.com>
Date: Tue, 9 Mar 2021 22:36:02 +0800
Subject: [PATCH] [Provider Model] Update Airplane mode message

- Show Airplane mode message when Airplane mode is enabled

- Show the same message whether Wi-Fi is enabled or disabled

- Screenshot:
  https://screenshot.googleplex.com/9FgqG7WWskRLZxo
  https://screenshot.googleplex.com/4g4kvnAT6aYN57s

Bug: 181858434
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=NetworkProviderSettingsTest

Change-Id: I3cb5a8bc7cb4d1e8678eb6d75116effd00ac9432
---
 ...l => airplane_mode_message_preference.xml} |  16 +-
 res/values/dimens.xml                         |   2 +-
 res/xml/network_provider_settings.xml         |   6 +-
 .../network/NetworkProviderSettings.java      |  52 ++++--
 ...odeNetworksLayoutPreferenceController.java | 168 -----------------
 .../network/NetworkProviderSettingsTest.java  |  41 +++--
 ...etworksLayoutPreferenceControllerTest.java | 171 ------------------
 7 files changed, 65 insertions(+), 391 deletions(-)
 rename res/layout/{view_airplane_mode_networks_button.xml => airplane_mode_message_preference.xml} (61%)
 delete mode 100644 src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceController.java
 delete mode 100644 tests/unit/src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceControllerTest.java

diff --git a/res/layout/view_airplane_mode_networks_button.xml b/res/layout/airplane_mode_message_preference.xml
similarity index 61%
rename from res/layout/view_airplane_mode_networks_button.xml
rename to res/layout/airplane_mode_message_preference.xml
index 0599274a169..032161bee17 100644
--- a/res/layout/view_airplane_mode_networks_button.xml
+++ b/res/layout/airplane_mode_message_preference.xml
@@ -22,7 +22,6 @@
     android:orientation="vertical">
 
     <TextView
-        android:id="@+id/airplane_mode_text"
         android:text="@string/condition_airplane_title"
         android:textAppearance="?android:attr/textAppearanceSmall"
         android:layout_width="wrap_content"
@@ -30,17 +29,6 @@
         android:layout_gravity="center_horizontal"
         android:layout_marginStart="@dimen/content_margin_left"
         android:layout_marginEnd="@dimen/content_margin_left"
-        android:layout_marginTop="@dimen/view_airplane_mode_networks_button_margin_vertical"
-        android:layout_marginBottom="@dimen/view_airplane_mode_networks_button_margin_vertical"/>
-
-    <Button
-        android:id="@+id/view_airplane_mode_networks_button"
-        android:text="@string/view_airplane_safe_networks"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_horizontal"
-        android:layout_marginStart="@dimen/content_margin_left"
-        android:layout_marginEnd="@dimen/content_margin_left"
-        android:layout_marginBottom="@dimen/view_airplane_mode_networks_button_margin_vertical"
-        style="@style/ActionPrimaryButton"/>
+        android:layout_marginTop="@dimen/airplane_mode_message_margin_vertical"
+        android:layout_marginBottom="@dimen/airplane_mode_message_margin_vertical"/>
 </LinearLayout>
\ No newline at end of file
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 16db9088b53..4fef726d599 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -213,7 +213,7 @@
     <dimen name="wifi_detail_page_header_image_size">32dp</dimen>
 
     <!-- Internet Preferences -->
-    <dimen name="view_airplane_mode_networks_button_margin_vertical">24dp</dimen>
+    <dimen name="airplane_mode_message_margin_vertical">24dp</dimen>
     <dimen name="reset_internet_ring_progress_right_margin">4dp</dimen>
 
     <!-- Color picker -->
diff --git a/res/xml/network_provider_settings.xml b/res/xml/network_provider_settings.xml
index a824b3465ce..30fe6fea3bd 100644
--- a/res/xml/network_provider_settings.xml
+++ b/res/xml/network_provider_settings.xml
@@ -28,12 +28,12 @@
         android:layout="@layout/resetting_internet"
         settings:allowDividerBelow="true"/>
 
-    <!-- View airplane mode networks button -->
+    <!-- Airplane mode message -->
     <com.android.settingslib.widget.LayoutPreference
-        android:key="view_airplane_mode_netwokrs_button"
+        android:key="airplane_mode_message"
         android:title="@string/condition_airplane_title"
         android:selectable="false"
-        android:layout="@layout/view_airplane_mode_networks_button"
+        android:layout="@layout/airplane_mode_message_preference"
         settings:allowDividerBelow="true"/>
 
     <Preference
diff --git a/src/com/android/settings/network/NetworkProviderSettings.java b/src/com/android/settings/network/NetworkProviderSettings.java
index 4d6849b7f38..803b9812755 100644
--- a/src/com/android/settings/network/NetworkProviderSettings.java
+++ b/src/com/android/settings/network/NetworkProviderSettings.java
@@ -55,6 +55,7 @@ import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceScreen;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.android.settings.AirplaneModeEnabler;
 import com.android.settings.R;
 import com.android.settings.RestrictedSettingsFragment;
 import com.android.settings.core.FeatureFlags;
@@ -98,7 +99,8 @@ import java.util.Optional;
 public class NetworkProviderSettings extends RestrictedSettingsFragment
         implements Indexable, WifiPickerTracker.WifiPickerTrackerCallback,
         WifiDialog2.WifiDialog2Listener, DialogInterface.OnDismissListener,
-        ConnectivitySubsystemsRecoveryManager.RecoveryStatusCallback {
+        ConnectivitySubsystemsRecoveryManager.RecoveryStatusCallback,
+        AirplaneModeEnabler.OnAirplaneModeChangedListener {
 
     public static final String ACTION_NETWORK_PROVIDER_SETTINGS =
             "android.settings.NETWORK_PROVIDER_SETTINGS";
@@ -118,6 +120,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     static final int CONFIG_NETWORK_REQUEST = 3;
     static final int MANAGE_SUBSCRIPTION = 4;
 
+    private static final String PREF_KEY_AIRPLANE_MODE_MSG = "airplane_mode_message";
     private static final String PREF_KEY_EMPTY_WIFI_LIST = "wifi_empty_list";
     // TODO(b/70983952): Rename these to use WifiEntry instead of AccessPoint.
     private static final String PREF_KEY_CONNECTED_ACCESS_POINTS = "connected_access_point";
@@ -184,6 +187,8 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
      */
     private boolean mIsRestricted;
 
+    @VisibleForTesting
+    AirplaneModeEnabler mAirplaneModeEnabler;
     @VisibleForTesting
     WifiPickerTracker mWifiPickerTracker;
     private WifiPickerTrackerHelper mWifiPickerTrackerHelper;
@@ -204,8 +209,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     @VisibleForTesting
     DataUsagePreference mDataUsagePreference;
     @VisibleForTesting
-    ViewAirplaneModeNetworksLayoutPreferenceController
-            mViewAirplaneModeNetworksButtonPreference;
+    Preference mAirplaneModeMsgPreference;
     @VisibleForTesting
     LayoutPreference mResetInternetPreference;
     @VisibleForTesting
@@ -241,6 +245,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
+        mAirplaneModeEnabler = new AirplaneModeEnabler(getContext(), this);
 
         // TODO(b/37429702): Add animations and preference comparator back after initial screen is
         // loaded (ODR).
@@ -254,6 +259,8 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     private void addPreferences() {
         addPreferencesFromResource(R.xml.network_provider_settings);
 
+        mAirplaneModeMsgPreference = findPreference(PREF_KEY_AIRPLANE_MODE_MSG);
+        updateAirplaneModeMsgPreference(mAirplaneModeEnabler.isAirplaneModeOn() /* visible */);
         mConnectedWifiEntryPreferenceCategory = findPreference(PREF_KEY_CONNECTED_ACCESS_POINTS);
         mWifiEntryPreferenceCategory = findPreference(PREF_KEY_ACCESS_POINTS);
         mConfigureWifiSettingsPreference = findPreference(PREF_KEY_CONFIGURE_WIFI_SETTINGS);
@@ -269,11 +276,16 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
             mResetInternetPreference.setVisible(false);
         }
         addNetworkMobileProviderController();
-        addViewAirplaneModeNetworksButtonController();
         addConnectedEthernetNetworkController();
         addWifiSwitchPreferenceController();
     }
 
+    private void updateAirplaneModeMsgPreference(boolean visible) {
+        if (mAirplaneModeMsgPreference != null) {
+            mAirplaneModeMsgPreference.setVisible(visible);
+        }
+    }
+
     private void addNetworkMobileProviderController() {
         if (mNetworkMobileProviderController == null) {
             mNetworkMobileProviderController = new NetworkMobileProviderController(
@@ -283,15 +295,6 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
         mNetworkMobileProviderController.displayPreference(getPreferenceScreen());
     }
 
-    private void addViewAirplaneModeNetworksButtonController() {
-        if (mViewAirplaneModeNetworksButtonPreference == null) {
-            mViewAirplaneModeNetworksButtonPreference =
-                    new ViewAirplaneModeNetworksLayoutPreferenceController(
-                            getContext(), getSettingsLifecycle());
-        }
-        mViewAirplaneModeNetworksButtonPreference.displayPreference(getPreferenceScreen());
-    }
-
     private void addConnectedEthernetNetworkController() {
         if (mConnectedEthernetNetworkController == null) {
             mConnectedEthernetNetworkController =
@@ -386,10 +389,11 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     @Override
     public void onStart() {
         super.onStart();
-
         if (mIsRestricted) {
             restrictUi();
+            return;
         }
+        mAirplaneModeEnabler.start();
     }
 
     private void restrictUi() {
@@ -419,6 +423,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     public void onStop() {
         getView().removeCallbacks(mUpdateWifiEntryPreferencesRunnable);
         getView().removeCallbacks(mHideProgressBarRunnable);
+        mAirplaneModeEnabler.stop();
         super.onStop();
     }
 
@@ -1188,9 +1193,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
         if (mResetInternetPreference != null) {
             mResetInternetPreference.setVisible(true);
         }
-        if (mViewAirplaneModeNetworksButtonPreference != null) {
-            mViewAirplaneModeNetworksButtonPreference.setVisible(false);
-        }
+        updateAirplaneModeMsgPreference(false /* visible */);
     }
 
     /**
@@ -1200,9 +1203,18 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
         if (mResetInternetPreference != null) {
             mResetInternetPreference.setVisible(false);
         }
-        if (mViewAirplaneModeNetworksButtonPreference != null
-                && mViewAirplaneModeNetworksButtonPreference.isAvailable()) {
-            mViewAirplaneModeNetworksButtonPreference.setVisible(true);
+        if (mAirplaneModeEnabler.isAirplaneModeOn()) {
+            updateAirplaneModeMsgPreference(true /* visible */);
         }
     }
+
+    /**
+     * Called when airplane mode status is changed.
+     *
+     * @param isAirplaneModeOn The airplane mode is on
+     */
+    @Override
+    public void onAirplaneModeChanged(boolean isAirplaneModeOn) {
+        updateAirplaneModeMsgPreference(isAirplaneModeOn /* visible */);
+    }
 }
diff --git a/src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceController.java b/src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceController.java
deleted file mode 100644
index 923e77382b7..00000000000
--- a/src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceController.java
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (C) 2021 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.network;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.net.wifi.WifiManager;
-import android.view.View;
-import android.widget.Button;
-import android.widget.TextView;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.LifecycleObserver;
-import androidx.lifecycle.OnLifecycleEvent;
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.AirplaneModeEnabler;
-import com.android.settings.R;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.widget.LayoutPreference;
-
-/**
- * This controls the airplane mode message and click button of the "View airplane mode networks"
- * item on the Network & internet page.
- */
-public class ViewAirplaneModeNetworksLayoutPreferenceController extends AbstractPreferenceController
-        implements LifecycleObserver, AirplaneModeEnabler.OnAirplaneModeChangedListener,
-        View.OnClickListener {
-
-    public static final String KEY = "view_airplane_mode_netwokrs_button";
-
-    private LayoutPreference mPreference;
-    @VisibleForTesting
-    TextView mTextView;
-    @VisibleForTesting
-    Button mButton;
-
-    private AirplaneModeEnabler mAirplaneModeEnabler;
-    private final WifiManager mWifiManager;
-    private final IntentFilter mIntentFilter;
-    private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {
-                refreshLayout();
-            }
-        }
-    };
-
-    public ViewAirplaneModeNetworksLayoutPreferenceController(Context context,
-            Lifecycle lifecycle) {
-        super(context);
-        if (lifecycle == null) {
-            throw new IllegalArgumentException("Lifecycle must be set");
-        }
-        mAirplaneModeEnabler = new AirplaneModeEnabler(context, this);
-        mWifiManager = context.getSystemService(WifiManager.class);
-        mIntentFilter = new IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION);
-        lifecycle.addObserver(this);
-    }
-
-    @Override
-    public boolean isAvailable() {
-        return mAirplaneModeEnabler.isAirplaneModeOn();
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY;
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        mPreference = screen.findPreference(getPreferenceKey());
-        generateLayout();
-    }
-
-    /** Lifecycle.Event.ON_START */
-    @OnLifecycleEvent(Lifecycle.Event.ON_START)
-    public void onStart() {
-        mAirplaneModeEnabler.start();
-    }
-
-    /** Lifecycle.Event.ON_STOP */
-    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
-    public void onStop() {
-        mAirplaneModeEnabler.stop();
-    }
-
-    /** Lifecycle.Event.ON_RESUME */
-    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
-    public void onResume() {
-        mContext.registerReceiver(mBroadcastReceiver, mIntentFilter);
-    }
-
-    /** Lifecycle.Event.ON_PAUSE */
-    @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
-    public void onPause() {
-        mContext.unregisterReceiver(mBroadcastReceiver);
-    }
-
-    @Override
-    public void onAirplaneModeChanged(boolean isAirplaneModeOn) {
-        if (mPreference != null) {
-            mPreference.setVisible(isAirplaneModeOn);
-        }
-    }
-
-    @Override
-    public void onClick(View v) {
-        mWifiManager.setWifiEnabled(true);
-    }
-
-    private void generateLayout() {
-        if (mPreference == null) {
-            return;
-        }
-        if (mTextView == null) {
-            mTextView = mPreference.findViewById(R.id.airplane_mode_text);
-        }
-        if (mButton == null) {
-            mButton = mPreference.findViewById(R.id.view_airplane_mode_networks_button);
-        }
-        if (mButton != null) {
-            mButton.setOnClickListener(this);
-        }
-        refreshLayout();
-    }
-
-    @VisibleForTesting
-    void refreshLayout() {
-        boolean isWifiEnabled = mWifiManager.isWifiEnabled();
-        if (mTextView != null) {
-            mTextView.setText(isWifiEnabled ? R.string.viewing_airplane_mode_networks
-                    : R.string.condition_airplane_title);
-        }
-        if (mButton != null) {
-            mButton.setVisibility(isWifiEnabled ? View.GONE : View.VISIBLE);
-        }
-    }
-
-    /**
-     * Sets the visibility of the preference.
-     */
-    public void setVisible(boolean visible) {
-        if (mPreference != null) {
-            mPreference.setVisible(visible);
-        }
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/network/NetworkProviderSettingsTest.java b/tests/robotests/src/com/android/settings/network/NetworkProviderSettingsTest.java
index aa96666d1c6..d7c0ffe5f03 100644
--- a/tests/robotests/src/com/android/settings/network/NetworkProviderSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/network/NetworkProviderSettingsTest.java
@@ -54,6 +54,7 @@ import androidx.preference.PreferenceManager;
 import androidx.preference.PreferenceScreen;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.android.settings.AirplaneModeEnabler;
 import com.android.settings.R;
 import com.android.settings.datausage.DataUsagePreference;
 import com.android.settings.testutils.shadow.ShadowDataUsageUtils;
@@ -90,6 +91,8 @@ public class NetworkProviderSettingsTest {
     @Mock
     private UserManager mUserManager;
     @Mock
+    private AirplaneModeEnabler mAirplaneModeEnabler;
+    @Mock
     private DataUsagePreference mDataUsagePreference;
     private Context mContext;
     private NetworkProviderSettings mNetworkProviderSettings;
@@ -100,8 +103,7 @@ public class NetworkProviderSettingsTest {
     @Mock
     private ConnectivitySubsystemsRecoveryManager mConnectivitySubsystemsRecoveryManager;
     @Mock
-    private ViewAirplaneModeNetworksLayoutPreferenceController
-            mViewAirplaneModeNetworksButtonPreference;
+    private Preference mAirplaneModeMsgPreference;
     @Mock
     private LayoutPreference mResetInternetPreference;
     @Mock
@@ -126,6 +128,9 @@ public class NetworkProviderSettingsTest {
                 new Preference(mContext);
         mNetworkProviderSettings.mWifiPickerTracker = mMockWifiPickerTracker;
         mNetworkProviderSettings.mWifiManager = mWifiManager;
+        mNetworkProviderSettings.mResetInternetPreference = mResetInternetPreference;
+        mNetworkProviderSettings.mAirplaneModeMsgPreference = mAirplaneModeMsgPreference;
+        mNetworkProviderSettings.mAirplaneModeEnabler = mAirplaneModeEnabler;
     }
 
     @Test
@@ -421,27 +426,35 @@ public class NetworkProviderSettingsTest {
     }
 
     @Test
-    public void onSubsystemRestartOperationBegin_showResetInternetHideApmNetworks() {
-        mNetworkProviderSettings.mResetInternetPreference = mResetInternetPreference;
-        mNetworkProviderSettings.mViewAirplaneModeNetworksButtonPreference =
-                mViewAirplaneModeNetworksButtonPreference;
-
+    public void onSubsystemRestartOperationBegin_showResetInternetHideApmMsg() {
         mNetworkProviderSettings.onSubsystemRestartOperationBegin();
 
         verify(mResetInternetPreference).setVisible(true);
-        verify(mViewAirplaneModeNetworksButtonPreference).setVisible(false);
+        verify(mAirplaneModeMsgPreference).setVisible(false);
     }
 
     @Test
-    public void onSubsystemRestartOperationEnd_showApmNetworksHideResetInternet() {
-        mNetworkProviderSettings.mResetInternetPreference = mResetInternetPreference;
-        mNetworkProviderSettings.mViewAirplaneModeNetworksButtonPreference =
-                mViewAirplaneModeNetworksButtonPreference;
-        doReturn(true).when(mViewAirplaneModeNetworksButtonPreference).isAvailable();
+    public void onSubsystemRestartOperationEnd_showApmMsgHideResetInternet() {
+        doReturn(true).when(mAirplaneModeEnabler).isAirplaneModeOn();
 
         mNetworkProviderSettings.onSubsystemRestartOperationEnd();
 
         verify(mResetInternetPreference).setVisible(false);
-        verify(mViewAirplaneModeNetworksButtonPreference).setVisible(true);
+        verify(mAirplaneModeMsgPreference).setVisible(true);
+    }
+
+    @Test
+    public void onAirplaneModeChanged_apmIsOn_showApmMsg() {
+        mNetworkProviderSettings.onAirplaneModeChanged(true);
+
+        verify(mAirplaneModeMsgPreference).setVisible(true);
+    }
+
+
+    @Test
+    public void onAirplaneModeChanged_apmIsOff_hideApmMsg() {
+        mNetworkProviderSettings.onAirplaneModeChanged(false);
+
+        verify(mAirplaneModeMsgPreference).setVisible(false);
     }
 }
diff --git a/tests/unit/src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceControllerTest.java b/tests/unit/src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceControllerTest.java
deleted file mode 100644
index 972e3fbd0c9..00000000000
--- a/tests/unit/src/com/android/settings/network/ViewAirplaneModeNetworksLayoutPreferenceControllerTest.java
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (C) 2021 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.network;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
-
-import android.content.Context;
-import android.net.wifi.WifiManager;
-import android.os.Looper;
-import android.view.View;
-
-import androidx.preference.PreferenceManager;
-import androidx.preference.PreferenceScreen;
-import androidx.test.core.app.ApplicationProvider;
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-
-import com.android.settings.testutils.AirplaneModeRule;
-import com.android.settings.testutils.ResourcesUtils;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-import com.android.settingslib.widget.LayoutPreference;
-
-import org.junit.Before;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnit;
-import org.mockito.junit.MockitoRule;
-
-@RunWith(AndroidJUnit4.class)
-public class ViewAirplaneModeNetworksLayoutPreferenceControllerTest {
-
-    private static final String KEY = ViewAirplaneModeNetworksLayoutPreferenceController.KEY;
-    private static final String RES_ID_AIRPLANE_MODE_IS_ON = "condition_airplane_title";
-    private static final String RES_ID_VIEWING_AIRPLANE_MODE_NETWORKS =
-            "viewing_airplane_mode_networks";
-
-    @Rule
-    public final MockitoRule mMockitoRule = MockitoJUnit.rule();
-    @Rule
-    public AirplaneModeRule mAirplaneModeRule = new AirplaneModeRule();
-    @Mock
-    private WifiManager mWifiManager;
-
-    private Context mContext;
-    private PreferenceScreen mScreen;
-    private LayoutPreference mPreference;
-    private ViewAirplaneModeNetworksLayoutPreferenceController mController;
-
-    @Before
-    public void setUp() {
-        mContext = spy(ApplicationProvider.getApplicationContext());
-        doReturn(mWifiManager).when(mContext).getSystemService(Context.WIFI_SERVICE);
-
-        mController = new ViewAirplaneModeNetworksLayoutPreferenceController(mContext,
-                mock(Lifecycle.class));
-        if (Looper.myLooper() == null) {
-            Looper.prepare();
-        }
-        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
-        mScreen = preferenceManager.createPreferenceScreen(mContext);
-        mPreference = new LayoutPreference(mContext,
-                ResourcesUtils.getResourcesId(
-                        mContext, "layout", "view_airplane_mode_networks_button"));
-        mPreference.setKey(KEY);
-        mScreen.addPreference(mPreference);
-    }
-
-    @Test
-    public void isAvailable_airplaneModeOff_returnFalse() {
-        mAirplaneModeRule.setAirplaneMode(false);
-
-        assertThat(mController.isAvailable()).isFalse();
-    }
-
-    @Test
-    public void isAvailable_airplaneModeOn_returnTrue() {
-        mAirplaneModeRule.setAirplaneMode(true);
-
-        assertThat(mController.isAvailable()).isTrue();
-    }
-
-    @Test
-    public void displayPreference_wifiDisabled_showAirplaneModeIsOnButtonVisible() {
-        mAirplaneModeRule.setAirplaneMode(true);
-        doReturn(false).when(mWifiManager).isWifiEnabled();
-
-        mController.displayPreference(mScreen);
-
-        assertThat(mController.mTextView.getText())
-                .isEqualTo(ResourcesUtils.getResourcesString(mContext, RES_ID_AIRPLANE_MODE_IS_ON));
-        assertThat(mController.mButton.getVisibility()).isEqualTo(View.VISIBLE);
-    }
-
-    @Test
-    public void displayPreference_wifiEnabled_showViewingAirplaneModeNetworksButtonGone() {
-        mAirplaneModeRule.setAirplaneMode(true);
-        doReturn(true).when(mWifiManager).isWifiEnabled();
-
-        mController.displayPreference(mScreen);
-
-        assertThat(mController.mTextView.getText()).isEqualTo(
-                ResourcesUtils.getResourcesString(mContext, RES_ID_VIEWING_AIRPLANE_MODE_NETWORKS));
-        assertThat(mController.mButton.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void refreshLayout_wifiEnabledThenDisabled_showAirplaneModeIsOnButtonVisible() {
-        mAirplaneModeRule.setAirplaneMode(true);
-        // Wi-Fi enabled
-        doReturn(true).when(mWifiManager).isWifiEnabled();
-        // Display preference
-        mController.displayPreference(mScreen);
-        // Then Wi-Fi disabled
-        doReturn(false).when(mWifiManager).isWifiEnabled();
-
-        // Refresh layout
-        mController.refreshLayout();
-
-        assertThat(mController.mTextView.getText())
-                .isEqualTo(ResourcesUtils.getResourcesString(mContext, RES_ID_AIRPLANE_MODE_IS_ON));
-        assertThat(mController.mButton.getVisibility()).isEqualTo(View.VISIBLE);
-    }
-
-    @Test
-    public void refreshLayout_wifiDisabledThenEnabled_showViewingAirplaneModeNetworksButtonGone() {
-        mAirplaneModeRule.setAirplaneMode(true);
-        // Wi-Fi disabled
-        doReturn(false).when(mWifiManager).isWifiEnabled();
-        // Display preference
-        mController.displayPreference(mScreen);
-        // Then Wi-Fi enabled
-        doReturn(true).when(mWifiManager).isWifiEnabled();
-
-        // Refresh layout
-        mController.refreshLayout();
-
-        assertThat(mController.mTextView.getText()).isEqualTo(
-                ResourcesUtils.getResourcesString(mContext, RES_ID_VIEWING_AIRPLANE_MODE_NETWORKS));
-        assertThat(mController.mButton.getVisibility()).isEqualTo(View.GONE);
-    }
-
-    @Test
-    public void onClick_shouldSetWifiEnabled() {
-        mAirplaneModeRule.setAirplaneMode(true);
-        doReturn(false).when(mWifiManager).isWifiEnabled();
-
-        mController.onClick(mock(View.class));
-
-        verify(mWifiManager).setWifiEnabled(true);
-    }
-}