Merge "Create Configuration overrides for MCC/MNC values" into tm-qpr-dev

packages/SettingsLib/src/com/android/settingslib/mobile/MobileStatusTracker.java

@@ -78,6 +78,9 @@ public class MobileStatusTracker {
      * Config the MobileStatusTracker to start or stop monitoring platform signals.
      */
     public void setListening(boolean listening) {
+        if (mListening == listening) {
+            return;
+        }
         mListening = listening;
         if (listening) {
             mPhone.registerTelephonyCallback(mReceiverHandler::post, mTelephonyCallback);

packages/SystemUI/src/com/android/systemui/statusbar/StatusBarMobileView.java

@@ -38,6 +38,7 @@ import com.android.settingslib.graph.SignalDrawable;
 import com.android.systemui.DualToneHandler;
 import com.android.systemui.R;
 import com.android.systemui.plugins.DarkIconDispatcher.DarkReceiver;
+import com.android.systemui.statusbar.phone.StatusBarIconController;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.MobileIconState;
 
 import java.util.ArrayList;
@@ -64,6 +65,15 @@ public class StatusBarMobileView extends FrameLayout implements DarkReceiver,
 
     /**
      * Designated constructor
+     *
+     * This view is special, in that it is the only view in SystemUI that allows for a configuration
+     * override on a MCC/MNC-basis. This means that for every mobile view inflated, we have to
+     * construct a context with that override, since the resource system doesn't have a way to
+     * handle this for us.
+     *
+     * @param context A context with resources configured by MCC/MNC
+     * @param slot The string key defining which slot this icon refers to. Always "mobile" for the
+     *             mobile icon
      */
     public static StatusBarMobileView fromContext(
             Context context,

packages/SystemUI/src/com/android/systemui/statusbar/connectivity/ui/MobileContextProvider.kt

@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2022 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.systemui.statusbar.connectivity.ui
+
+import android.content.Context
+import android.content.res.Configuration
+import android.os.Bundle
+import android.telephony.SubscriptionInfo
+import android.view.ContextThemeWrapper
+import com.android.systemui.Dumpable
+import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.demomode.DemoMode
+import com.android.systemui.demomode.DemoMode.COMMAND_NETWORK
+import com.android.systemui.demomode.DemoModeController
+import com.android.systemui.dump.DumpManager
+import com.android.systemui.statusbar.connectivity.NetworkController
+import com.android.systemui.statusbar.connectivity.SignalCallback
+import java.io.PrintWriter
+import javax.inject.Inject
+
+/**
+ * Every subscriptionId can have its own CarrierConfig associated with it, so we have to create our
+ * own [Configuration] and track resources based on the full set of available mcc-mnc combinations.
+ *
+ * (for future reference: b/240555502 is the initiating bug for this)
+ */
+@SysUISingleton
+class MobileContextProvider
+@Inject
+constructor(
+    networkController: NetworkController,
+    dumpManager: DumpManager,
+    private val demoModeController: DemoModeController,
+) : Dumpable, DemoMode {
+    private val subscriptions = mutableMapOf<Int, SubscriptionInfo>()
+    private val signalCallback =
+        object : SignalCallback {
+            override fun setSubs(subs: List<SubscriptionInfo>) {
+                subscriptions.clear()
+                subs.forEach { info -> subscriptions[info.subscriptionId] = info }
+            }
+        }
+
+    // These should always be null when not in demo mode
+    private var demoMcc: Int? = null
+    private var demoMnc: Int? = null
+
+    init {
+        networkController.addCallback(signalCallback)
+        dumpManager.registerDumpable(this)
+        demoModeController.addCallback(this)
+    }
+
+    /**
+     * @return a context with the MCC/MNC [Configuration] values corresponding to this
+     * subscriptionId
+     */
+    fun getMobileContextForSub(subId: Int, context: Context): Context {
+        if (demoModeController.isInDemoMode) {
+            return createMobileContextForDemoMode(context)
+        }
+
+        // Fail back to the given context if no sub exists
+        val info = subscriptions[subId] ?: return context
+
+        return createCarrierConfigContext(context, info.mcc, info.mnc)
+    }
+
+    /** For Demo mode (for now), just apply the same MCC/MNC override for all subIds */
+    private fun createMobileContextForDemoMode(context: Context): Context {
+        return createCarrierConfigContext(context, demoMcc ?: 0, demoMnc ?: 0)
+    }
+
+    override fun dump(pw: PrintWriter, args: Array<out String>) {
+        pw.println(
+            "Subscriptions below will be inflated with a configuration context with " +
+                "MCC/MNC overrides"
+        )
+        subscriptions.forEach { (subId, info) ->
+            pw.println("  Subscription with subId($subId) with MCC/MNC(${info.mcc}/${info.mnc})")
+        }
+        pw.println("  MCC override: ${demoMcc ?: "(none)"}")
+        pw.println("  MNC override: ${demoMnc ?: "(none)"}")
+    }
+
+    override fun demoCommands(): List<String> {
+        return listOf(COMMAND_NETWORK)
+    }
+
+    override fun onDemoModeFinished() {
+        demoMcc = null
+        demoMnc = null
+    }
+
+    override fun dispatchDemoCommand(command: String, args: Bundle) {
+        val mccmnc = args.getString("mccmnc") ?: return
+        // Only length 5/6 strings are valid
+        if (!(mccmnc.length == 5 || mccmnc.length == 6)) {
+            return
+        }
+
+        // MCC is always the first 3 digits, and mnc is the last 2 or 3
+        demoMcc = mccmnc.subSequence(0, 3).toString().toInt()
+        demoMnc = mccmnc.subSequence(3, mccmnc.length).toString().toInt()
+    }
+
+    companion object {
+        /**
+         * Creates a context based on this [SubscriptionInfo]'s MCC/MNC values, allowing the overlay
+         * system to properly load different carrier's iconography
+         */
+        private fun createCarrierConfigContext(context: Context, mcc: Int, mnc: Int): Context {
+            // Copy the existing configuration
+            val c = Configuration(context.resources.configuration)
+            c.mcc = mcc
+            c.mnc = mnc
+
+            return ContextThemeWrapper(context, context.theme).also { ctx ->
+                ctx.applyOverrideConfiguration(c)
+            }
+        }
+    }
+}

packages/SystemUI/src/com/android/systemui/statusbar/phone/DemoStatusIcons.java

@@ -16,6 +16,8 @@
 
 package com.android.systemui.statusbar.phone;
 
+import android.content.Context;
+import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
@@ -29,13 +31,13 @@ import android.widget.LinearLayout;
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.systemui.R;
 import com.android.systemui.demomode.DemoMode;
-import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.plugins.DarkIconDispatcher;
 import com.android.systemui.plugins.DarkIconDispatcher.DarkReceiver;
 import com.android.systemui.statusbar.StatusBarIconView;
 import com.android.systemui.statusbar.StatusBarMobileView;
 import com.android.systemui.statusbar.StatusBarWifiView;
 import com.android.systemui.statusbar.StatusIconDisplayable;
+import com.android.systemui.statusbar.connectivity.ui.MobileContextProvider;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.MobileIconState;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.WifiIconState;
 
@@ -49,7 +51,6 @@ public class DemoStatusIcons extends StatusIconContainer implements DemoMode, Da
     private final LinearLayout mStatusIcons;
     private final ArrayList<StatusBarMobileView> mMobileViews = new ArrayList<>();
     private final int mIconSize;
-    private final FeatureFlags mFeatureFlags;
 
     private StatusBarWifiView mWifiView;
     private boolean mDemoMode;
@@ -57,14 +58,12 @@ public class DemoStatusIcons extends StatusIconContainer implements DemoMode, Da
 
     public DemoStatusIcons(
             LinearLayout statusIcons,
-            int iconSize,
-            FeatureFlags featureFlags
+            int iconSize
     ) {
         super(statusIcons.getContext());
         mStatusIcons = statusIcons;
         mIconSize = iconSize;
         mColor = DarkIconDispatcher.DEFAULT_ICON_TINT;
-        mFeatureFlags = featureFlags;
 
         if (statusIcons instanceof StatusIconContainer) {
             setShouldRestrictIcons(((StatusIconContainer) statusIcons).isRestrictingIcons());
@@ -253,9 +252,13 @@ public class DemoStatusIcons extends StatusIconContainer implements DemoMode, Da
         }
     }
 
-    public void addMobileView(MobileIconState state) {
+    /**
+     * Add a new mobile icon view
+     */
+    public void addMobileView(MobileIconState state, Context mobileContext) {
         Log.d(TAG, "addMobileView: ");
-        StatusBarMobileView view = StatusBarMobileView.fromContext(mContext, state.slot);
+        StatusBarMobileView view = StatusBarMobileView
+                .fromContext(mobileContext, state.slot);
 
         view.applyMobileState(state);
         view.setStaticDrawableColor(mColor);
@@ -265,19 +268,24 @@ public class DemoStatusIcons extends StatusIconContainer implements DemoMode, Da
         addView(view, getChildCount(), createLayoutParams());
     }
 
-    public void updateMobileState(MobileIconState state) {
-        Log.d(TAG, "updateMobileState: ");
-        // If the view for this subId exists already, use it
+    /**
+     * Apply an update to a mobile icon view for the given {@link MobileIconState}. For
+     * compatibility with {@link MobileContextProvider}, we have to recreate the view every time we
+     * update it, since the context (and thus the {@link Configuration}) may have changed
+     */
+    public void updateMobileState(MobileIconState state, Context mobileContext) {
+        Log.d(TAG, "updateMobileState: " + state);
+
+        // The mobile config provided by MobileContextProvider could have changed; always recreate
         for (int i = 0; i < mMobileViews.size(); i++) {
             StatusBarMobileView view = mMobileViews.get(i);
             if (view.getState().subId == state.subId) {
-                view.applyMobileState(state);
-                return;
+                removeView(view);
             }
         }
 
-        // Else we have to add it
-        addMobileView(state);
+        // Add the replacement or new icon
+        addMobileView(state, mobileContext);
     }
 
     public void onRemoveIcon(StatusIconDisplayable view) {

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java

@@ -36,7 +36,6 @@ import com.android.internal.statusbar.StatusBarIcon;
 import com.android.systemui.R;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.demomode.DemoModeCommandReceiver;
-import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.plugins.DarkIconDispatcher;
 import com.android.systemui.plugins.DarkIconDispatcher.DarkReceiver;
 import com.android.systemui.statusbar.BaseStatusBarWifiView;
@@ -44,6 +43,7 @@ import com.android.systemui.statusbar.StatusBarIconView;
 import com.android.systemui.statusbar.StatusBarMobileView;
 import com.android.systemui.statusbar.StatusBarWifiView;
 import com.android.systemui.statusbar.StatusIconDisplayable;
+import com.android.systemui.statusbar.connectivity.ui.MobileContextProvider;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.CallIndicatorIconState;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.MobileIconState;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.WifiIconState;
@@ -70,6 +70,7 @@ public interface StatusBarIconController {
     void addIconGroup(IconManager iconManager);
     /** */
     void removeIconGroup(IconManager iconManager);
+
     /** Refresh the state of an IconManager by recreating the views */
     void refreshIconGroup(IconManager iconManager);
     /** */
@@ -82,21 +83,25 @@ public interface StatusBarIconController {
     void setSignalIcon(String slot, WifiIconState state);
     /** */
     void setMobileIcons(String slot, List<MobileIconState> states);
+
     /**
      * Display the no calling & SMS icons.
      */
     void setCallStrengthIcons(String slot, List<CallIndicatorIconState> states);
+
     /**
      * Display the no calling & SMS icons.
      */
     void setNoCallingIcons(String slot, List<CallIndicatorIconState> states);
+
     public void setIconVisibility(String slot, boolean b);
 
     /**
      * Sets the live region mode for the icon
-     * @see android.view.View#setAccessibilityLiveRegion(int)
-     * @param slot Icon slot to set region for
+     *
+     * @param slot                    Icon slot to set region for
      * @param accessibilityLiveRegion live region mode for the icon
+     * @see android.view.View#setAccessibilityLiveRegion(int)
      */
     void setIconAccessibilityLiveRegion(String slot, int accessibilityLiveRegion);
 
@@ -115,8 +120,8 @@ public interface StatusBarIconController {
     static ArraySet<String> getIconHideList(Context context, String hideListStr) {
         ArraySet<String> ret = new ArraySet<>();
         String[] hideList = hideListStr == null
-            ? context.getResources().getStringArray(R.array.config_statusBarIconsToExclude)
-            : hideListStr.split(",");
+                ? context.getResources().getStringArray(R.array.config_statusBarIconsToExclude)
+                : hideListStr.split(",");
         for (String slot : hideList) {
             if (!TextUtils.isEmpty(slot)) {
                 ret.add(slot);
@@ -134,11 +139,14 @@ public interface StatusBarIconController {
 
         public DarkIconManager(
                 LinearLayout linearLayout,
-                FeatureFlags featureFlags,
                 StatusBarPipelineFlags statusBarPipelineFlags,
                 Provider<WifiViewModel> wifiViewModelProvider,
+                MobileContextProvider mobileContextProvider,
                 DarkIconDispatcher darkIconDispatcher) {
-            super(linearLayout, featureFlags, statusBarPipelineFlags, wifiViewModelProvider);
+            super(linearLayout,
+                    statusBarPipelineFlags,
+                    wifiViewModelProvider,
+                    mobileContextProvider);
             mIconHPadding = mContext.getResources().getDimensionPixelSize(
                     R.dimen.status_bar_icon_padding);
             mDarkIconDispatcher = darkIconDispatcher;
@@ -195,41 +203,49 @@ public interface StatusBarIconController {
 
         @SysUISingleton
         public static class Factory {
-            private final FeatureFlags mFeatureFlags;
             private final StatusBarPipelineFlags mStatusBarPipelineFlags;
             private final Provider<WifiViewModel> mWifiViewModelProvider;
+            private final MobileContextProvider mMobileContextProvider;
             private final DarkIconDispatcher mDarkIconDispatcher;
 
             @Inject
             public Factory(
-                    FeatureFlags featureFlags,
                     StatusBarPipelineFlags statusBarPipelineFlags,
                     Provider<WifiViewModel> wifiViewModelProvider,
+                    MobileContextProvider mobileContextProvider,
                     DarkIconDispatcher darkIconDispatcher) {
-                mFeatureFlags = featureFlags;
                 mStatusBarPipelineFlags = statusBarPipelineFlags;
                 mWifiViewModelProvider = wifiViewModelProvider;
+                mMobileContextProvider = mobileContextProvider;
                 mDarkIconDispatcher = darkIconDispatcher;
             }
 
             public DarkIconManager create(LinearLayout group) {
                 return new DarkIconManager(
-                        group, mFeatureFlags, mStatusBarPipelineFlags, mWifiViewModelProvider,
+                        group,
+                        mStatusBarPipelineFlags,
+                        mWifiViewModelProvider,
+                        mMobileContextProvider,
                         mDarkIconDispatcher);
             }
         }
     }
 
-    /** */
+    /**
+     *
+     */
     class TintedIconManager extends IconManager {
         private int mColor;
 
         public TintedIconManager(
                 ViewGroup group,
-                FeatureFlags featureFlags,
                 StatusBarPipelineFlags statusBarPipelineFlags,
-                Provider<WifiViewModel> wifiViewModelProvider) {
-            super(group, featureFlags, statusBarPipelineFlags, wifiViewModelProvider);
+                Provider<WifiViewModel> wifiViewModelProvider,
+                MobileContextProvider mobileContextProvider) {
+            super(group,
+                    statusBarPipelineFlags,
+                    wifiViewModelProvider,
+                    mobileContextProvider);
         }
 
         @Override
@@ -261,23 +277,26 @@ public interface StatusBarIconController {
 
         @SysUISingleton
         public static class Factory {
-            private final FeatureFlags mFeatureFlags;
             private final StatusBarPipelineFlags mStatusBarPipelineFlags;
             private final Provider<WifiViewModel> mWifiViewModelProvider;
+            private final MobileContextProvider mMobileContextProvider;
 
             @Inject
             public Factory(
-                    FeatureFlags featureFlags,
                     StatusBarPipelineFlags statusBarPipelineFlags,
-                    Provider<WifiViewModel> wifiViewModelProvider) {
-                mFeatureFlags = featureFlags;
+                    Provider<WifiViewModel> wifiViewModelProvider,
+                    MobileContextProvider mobileContextProvider) {
                 mStatusBarPipelineFlags = statusBarPipelineFlags;
                 mWifiViewModelProvider = wifiViewModelProvider;
+                mMobileContextProvider = mobileContextProvider;
             }
 
             public TintedIconManager create(ViewGroup group) {
                 return new TintedIconManager(
-                        group, mFeatureFlags, mStatusBarPipelineFlags, mWifiViewModelProvider);
+                        group,
+                        mStatusBarPipelineFlags,
+                        mWifiViewModelProvider,
+                        mMobileContextProvider);
             }
         }
     }
@@ -287,9 +306,9 @@ public interface StatusBarIconController {
      */
     class IconManager implements DemoModeCommandReceiver {
         protected final ViewGroup mGroup;
-        private final FeatureFlags mFeatureFlags;
         private final StatusBarPipelineFlags mStatusBarPipelineFlags;
         private final Provider<WifiViewModel> mWifiViewModelProvider;
+        private final MobileContextProvider mMobileContextProvider;
         protected final Context mContext;
         protected final int mIconSize;
         // Whether or not these icons show up in dumpsys
@@ -305,13 +324,13 @@ public interface StatusBarIconController {
 
         public IconManager(
                 ViewGroup group,
-                FeatureFlags featureFlags,
                 StatusBarPipelineFlags statusBarPipelineFlags,
-                Provider<WifiViewModel> wifiViewModelProvider) {
+                Provider<WifiViewModel> wifiViewModelProvider,
+                MobileContextProvider mobileContextProvider) {
             mGroup = group;
-            mFeatureFlags = featureFlags;
             mStatusBarPipelineFlags = statusBarPipelineFlags;
             mWifiViewModelProvider = wifiViewModelProvider;
+            mMobileContextProvider = mobileContextProvider;
             mContext = group.getContext();
             mIconSize = mContext.getResources().getDimensionPixelSize(
                     com.android.internal.R.dimen.status_bar_icon_size);
@@ -403,12 +422,15 @@ public interface StatusBarIconController {
 
         @VisibleForTesting
         protected StatusBarMobileView addMobileIcon(int index, String slot, MobileIconState state) {
-            StatusBarMobileView view = onCreateStatusBarMobileView(slot);
+            // Use the `subId` field as a key to query for the correct context
+            StatusBarMobileView view = onCreateStatusBarMobileView(state.subId, slot);
             view.applyMobileState(state);
             mGroup.addView(view, index, onCreateLayoutParams());
 
             if (mIsInDemoMode) {
-                mDemoStatusIcons.addMobileView(state);
+                Context mobileContext = mMobileContextProvider
+                        .getMobileContextForSub(state.subId, mContext);
+                mDemoStatusIcons.addMobileView(state, mobileContext);
             }
             return view;
         }
@@ -427,8 +449,10 @@ public interface StatusBarIconController {
                     mContext, slot, mWifiViewModelProvider.get());
         }
 
-        private StatusBarMobileView onCreateStatusBarMobileView(String slot) {
-            StatusBarMobileView view = StatusBarMobileView.fromContext(mContext, slot);
+        private StatusBarMobileView onCreateStatusBarMobileView(int subId, String slot) {
+            Context mobileContext = mMobileContextProvider.getMobileContextForSub(subId, mContext);
+            StatusBarMobileView view = StatusBarMobileView
+                    .fromContext(mobileContext, slot);
             return view;
         }
 
@@ -516,7 +540,9 @@ public interface StatusBarIconController {
             }
 
             if (mIsInDemoMode) {
-                mDemoStatusIcons.updateMobileState(state);
+                Context mobileContext = mMobileContextProvider
+                        .getMobileContextForSub(state.subId, mContext);
+                mDemoStatusIcons.updateMobileState(state, mobileContext);
             }
         }
 
@@ -553,7 +579,7 @@ public interface StatusBarIconController {
         }
 
         protected DemoStatusIcons createDemoStatusIcons() {
-            return new DemoStatusIcons((LinearLayout) mGroup, mIconSize, mFeatureFlags);
+            return new DemoStatusIcons((LinearLayout) mGroup, mIconSize);
         }
     }
 }

packages/SystemUI/tests/src/com/android/systemui/statusbar/connectivity/ui/MobileContextProviderTest.kt

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2022 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.systemui.statusbar.connectivity.ui
+
+import android.telephony.SubscriptionInfo
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.demomode.DemoModeController
+import com.android.systemui.dump.DumpManager
+import com.android.systemui.statusbar.connectivity.NetworkController
+import com.android.systemui.statusbar.connectivity.SignalCallback
+import com.android.systemui.util.mockito.mock
+import com.android.systemui.util.mockito.withArgCaptor
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.Mockito.verify
+import org.mockito.Mockito.`when` as whenever
+import org.mockito.MockitoAnnotations
+
+@SmallTest
+class MobileContextProviderTest : SysuiTestCase() {
+    @Mock private lateinit var networkController: NetworkController
+    @Mock private lateinit var dumpManager: DumpManager
+    @Mock private lateinit var demoModeController: DemoModeController
+
+    private lateinit var provider: MobileContextProvider
+    private lateinit var signalCallback: SignalCallback
+
+    @Before
+    fun setup() {
+        MockitoAnnotations.initMocks(this)
+        provider =
+            MobileContextProvider(
+                networkController,
+                dumpManager,
+                demoModeController,
+            )
+
+        signalCallback = withArgCaptor { verify(networkController).addCallback(capture()) }
+    }
+
+    @Test
+    fun test_oneSubscription_contextHasMccMnc() {
+        // GIVEN there is one SubscriptionInfo
+        signalCallback.setSubs(listOf(SUB_1))
+
+        // WHEN we ask for a mobile context
+        val ctx = provider.getMobileContextForSub(SUB_1_ID, context)
+
+        // THEN the configuration of that context reflect this subscription's MCC/MNC override
+        val config = ctx.resources.configuration
+        assertThat(config.mcc).isEqualTo(SUB_1_MCC)
+        assertThat(config.mnc).isEqualTo(SUB_1_MNC)
+    }
+
+    @Test
+    fun test_twoSubscriptions_eachContextReflectsMccMnc() {
+        // GIVEN there are two SubscriptionInfos
+        signalCallback.setSubs(listOf(SUB_1, SUB_2))
+
+        // WHEN we ask for a mobile context for each sub
+        val ctx1 = provider.getMobileContextForSub(SUB_1_ID, context)
+        val ctx2 = provider.getMobileContextForSub(SUB_2_ID, context)
+
+        // THEN the configuration of each context reflect this subscription's MCC/MNC override
+        val config1 = ctx1.resources.configuration
+        assertThat(config1.mcc).isEqualTo(SUB_1_MCC)
+        assertThat(config1.mnc).isEqualTo(SUB_1_MNC)
+
+        val config2 = ctx2.resources.configuration
+        assertThat(config2.mcc).isEqualTo(SUB_2_MCC)
+        assertThat(config2.mnc).isEqualTo(SUB_2_MNC)
+    }
+
+    @Test
+    fun test_requestingContextForNonexistentSubscription_returnsGivenContext() {
+        // GIVEN no SubscriptionInfos
+        signalCallback.setSubs(listOf())
+
+        // WHEN we ask for a mobile context for an unknown subscription
+        val ctx = provider.getMobileContextForSub(SUB_1_ID, context)
+
+        // THEN we get the original context back
+        assertThat(ctx).isEqualTo(context)
+    }
+
+    private val SUB_1_ID = 1
+    private val SUB_1_MCC = 123
+    private val SUB_1_MNC = 456
+    private val SUB_1 =
+        mock<SubscriptionInfo>().also {
+            whenever(it.subscriptionId).thenReturn(SUB_1_ID)
+            whenever(it.mcc).thenReturn(SUB_1_MCC)
+            whenever(it.mnc).thenReturn(SUB_1_MNC)
+        }
+
+    private val SUB_2_ID = 2
+    private val SUB_2_MCC = 666
+    private val SUB_2_MNC = 777
+    private val SUB_2 =
+        mock<SubscriptionInfo>().also {
+            whenever(it.subscriptionId).thenReturn(SUB_2_ID)
+            whenever(it.mcc).thenReturn(SUB_2_MCC)
+            whenever(it.mnc).thenReturn(SUB_2_MNC)
+        }
+}

packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarIconControllerTest.java

@@ -20,7 +20,10 @@ import static com.android.systemui.statusbar.phone.StatusBarIconHolder.TYPE_WIFI
 
 import static junit.framework.Assert.assertTrue;
 
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
@@ -30,12 +33,12 @@ import android.widget.LinearLayout;
 import androidx.test.filters.SmallTest;
 
 import com.android.internal.statusbar.StatusBarIcon;
-import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.plugins.DarkIconDispatcher;
 import com.android.systemui.statusbar.StatusBarIconView;
 import com.android.systemui.statusbar.StatusBarMobileView;
 import com.android.systemui.statusbar.StatusBarWifiView;
 import com.android.systemui.statusbar.StatusIconDisplayable;
+import com.android.systemui.statusbar.connectivity.ui.MobileContextProvider;
 import com.android.systemui.statusbar.phone.StatusBarIconController.DarkIconManager;
 import com.android.systemui.statusbar.phone.StatusBarIconController.IconManager;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.MobileIconState;
@@ -55,15 +58,19 @@ import javax.inject.Provider;
 @SmallTest
 public class StatusBarIconControllerTest extends LeakCheckedTest {
 
+    private MobileContextProvider mMobileContextProvider = mock(MobileContextProvider.class);
+
     @Before
     public void setup() {
         injectLeakCheckedDependencies(ALL_SUPPORTED_CLASSES);
+        // For testing, ignore context overrides
+        when(mMobileContextProvider.getMobileContextForSub(anyInt(), any())).thenReturn(mContext);
     }
 
     @Test
     public void testSetCalledOnAdd_IconManager() {
         LinearLayout layout = new LinearLayout(mContext);
-        TestIconManager manager = new TestIconManager(layout);
+        TestIconManager manager = new TestIconManager(layout, mMobileContextProvider);
         testCallOnAdd_forManager(manager);
     }
 
@@ -72,9 +79,9 @@ public class StatusBarIconControllerTest extends LeakCheckedTest {
         LinearLayout layout = new LinearLayout(mContext);
         TestDarkIconManager manager = new TestDarkIconManager(
                 layout,
-                mock(FeatureFlags.class),
                 mock(StatusBarPipelineFlags.class),
                 () -> mock(WifiViewModel.class),
+                mMobileContextProvider,
                 mock(DarkIconDispatcher.class));
         testCallOnAdd_forManager(manager);
     }
@@ -114,11 +121,14 @@ public class StatusBarIconControllerTest extends LeakCheckedTest {
 
         TestDarkIconManager(
                 LinearLayout group,
-                FeatureFlags featureFlags,
                 StatusBarPipelineFlags statusBarPipelineFlags,
                 Provider<WifiViewModel> wifiViewModelProvider,
+                MobileContextProvider contextProvider,
                 DarkIconDispatcher darkIconDispatcher) {
-            super(group, featureFlags, statusBarPipelineFlags, wifiViewModelProvider,
+            super(group,
+                    statusBarPipelineFlags,
+                    wifiViewModelProvider,
+                    contextProvider,
                     darkIconDispatcher);
         }
 
@@ -153,11 +163,11 @@ public class StatusBarIconControllerTest extends LeakCheckedTest {
     }
 
     private static class TestIconManager extends IconManager implements TestableIconManager {
-        TestIconManager(ViewGroup group) {
+        TestIconManager(ViewGroup group, MobileContextProvider contextProvider) {
             super(group,
-                    mock(FeatureFlags.class),
                     mock(StatusBarPipelineFlags.class),
-                    () -> mock(WifiViewModel.class));
+                    () -> mock(WifiViewModel.class),
+                    contextProvider);
         }
 
         @Override