Merge "Attempt fixing test flakiness" into main
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 9a417e9..2ab8d80 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -21,6 +21,7 @@
         ":android.os.flags-aconfig-java{.generated_srcjars}",
         ":android.os.vibrator.flags-aconfig-java{.generated_srcjars}",
         ":android.security.flags-aconfig-java{.generated_srcjars}",
+        ":android.media.flags-aconfig-java{.generated_srcjars}",
         ":camera_platform_flags_core_java_lib{.generated_srcjars}",
         ":com.android.window.flags.window-aconfig-java{.generated_srcjars}",
         ":com.android.text.flags-aconfig-java{.generated_srcjars}",
@@ -157,3 +158,16 @@
     aconfig_declarations: "android.os.vibrator.flags-aconfig",
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
+
+// Media
+aconfig_declarations {
+    name: "android.media.flags-aconfig",
+    package: "android.media",
+    srcs: ["media/java/android/media/*.aconfig"],
+}
+
+java_aconfig_library {
+    name: "android.media.flags-aconfig-java",
+    aconfig_declarations: "android.media.flags-aconfig",
+    defaults: ["framework-minus-apex-aconfig-java-defaults"],
+}
diff --git a/core/java/android/window/flags/windowing_sdk.aconfig b/core/java/android/window/flags/windowing_sdk.aconfig
index 560e41b..b8d251f 100644
--- a/core/java/android/window/flags/windowing_sdk.aconfig
+++ b/core/java/android/window/flags/windowing_sdk.aconfig
@@ -8,3 +8,10 @@
     description: "Whether the feature to sync different window-related config updates is enabled"
     bug: "260873529"
 }
+
+flag {
+    namespace: "windowing_sdk"
+    name: "activity_embedding_overlay_presentation_flag"
+    description: "Whether the overlay presentation feature is enabled"
+    bug: "243518738"
+}
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 03480e4..302c7fa 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -5480,6 +5480,13 @@
          of known compatibility issues. -->
     <string-array name="config_highRefreshRateBlacklist"></string-array>
 
+    <!-- The list of packages to automatically opt in to refresh rate suppressing by small area
+    detection. Format of this array should be packageName:threshold and threshold value should
+     be between 0 to 1-->
+    <string-array name="config_smallAreaDetectionAllowlist" translatable="false">
+        <!-- Add packages:threshold here -->
+    </string-array>
+
     <!-- The list of packages to force slowJpegMode for Apps using Camera API1 -->
     <string-array name="config_forceSlowJpegModeList" translatable="false">
         <!-- Add packages here -->
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 7ea5974..02209a7 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -4288,6 +4288,8 @@
   <java-symbol type="array" name="config_highRefreshRateBlacklist" />
   <java-symbol type="array" name="config_forceSlowJpegModeList" />
 
+  <java-symbol type="array" name="config_smallAreaDetectionAllowlist" />
+
   <java-symbol type="layout" name="chooser_dialog" />
   <java-symbol type="layout" name="chooser_dialog_item" />
   <java-symbol type="drawable" name="chooser_dialog_background" />
diff --git a/media/java/android/media/flags.aconfig b/media/java/android/media/flags.aconfig
new file mode 100644
index 0000000..8567a3b
--- /dev/null
+++ b/media/java/android/media/flags.aconfig
@@ -0,0 +1,8 @@
+package: "android.media"
+
+flag {
+    name: "haptics_customization_enabled"
+    namespace: "media"
+    description: "Enables the haptics customization feature"
+    bug: "241918098"
+}
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/scaffold/SearchScaffold.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/scaffold/SearchScaffold.kt
index d437e35..696e877 100644
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/scaffold/SearchScaffold.kt
+++ b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/scaffold/SearchScaffold.kt
@@ -18,6 +18,7 @@
 
 import androidx.activity.compose.BackHandler
 import androidx.appcompat.R
+import androidx.compose.foundation.focusable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.RowScope
@@ -96,7 +97,8 @@
             Modifier
                 .padding(paddingValues.horizontalValues())
                 .padding(top = paddingValues.calculateTopPadding())
-                .fillMaxSize(),
+                .focusable()
+                .fillMaxSize()
         ) {
             content(
                 paddingValues.calculateBottomPadding(),
diff --git a/packages/SystemUI/src/com/android/systemui/display/data/repository/DisplayRepository.kt b/packages/SystemUI/src/com/android/systemui/display/data/repository/DisplayRepository.kt
index f68078a..82b0324 100644
--- a/packages/SystemUI/src/com/android/systemui/display/data/repository/DisplayRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/display/data/repository/DisplayRepository.kt
@@ -29,6 +29,7 @@
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.dagger.qualifiers.Background
+import com.android.systemui.util.Compile
 import com.android.systemui.util.traceSection
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
@@ -239,7 +240,7 @@
 
     private companion object {
         const val TAG = "DisplayRepository"
-        val DEBUG = Log.isLoggable(TAG, Log.DEBUG)
+        val DEBUG = Log.isLoggable(TAG, Log.DEBUG) || Compile.IS_DEBUG
     }
 }
 
diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index b994105..f3ad4b4 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -472,6 +472,8 @@
     private SensorManager mSensorManager;
     private BrightnessTracker mBrightnessTracker;
 
+    private SmallAreaDetectionController mSmallAreaDetectionController;
+
 
     // Whether minimal post processing is allowed by the user.
     @GuardedBy("mSyncRoot")
@@ -738,6 +740,8 @@
         filter.addAction(Intent.ACTION_DOCK_EVENT);
 
         mContext.registerReceiver(mIdleModeReceiver, filter);
+
+        mSmallAreaDetectionController = SmallAreaDetectionController.create(mContext);
     }
 
     @VisibleForTesting
@@ -3128,6 +3132,9 @@
         pw.println();
         mDisplayModeDirector.dump(pw);
         mBrightnessSynchronizer.dump(pw);
+        if (mSmallAreaDetectionController != null) {
+            mSmallAreaDetectionController.dump(pw);
+        }
     }
 
     private static float[] getFloatArray(TypedArray array) {
diff --git a/services/core/java/com/android/server/display/SmallAreaDetectionController.java b/services/core/java/com/android/server/display/SmallAreaDetectionController.java
new file mode 100644
index 0000000..adaa539
--- /dev/null
+++ b/services/core/java/com/android/server/display/SmallAreaDetectionController.java
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2023 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.server.display;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.content.Context;
+import android.content.pm.PackageManagerInternal;
+import android.provider.DeviceConfig;
+import android.provider.DeviceConfigInterface;
+import android.util.ArrayMap;
+import android.util.SparseArray;
+
+import com.android.internal.R;
+import com.android.internal.annotations.GuardedBy;
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.os.BackgroundThread;
+import com.android.server.LocalServices;
+import com.android.server.pm.UserManagerInternal;
+
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Map;
+
+final class SmallAreaDetectionController {
+    private static native void nativeUpdateSmallAreaDetection(int[] uids, float[] thresholds);
+    private static native void nativeSetSmallAreaDetectionThreshold(int uid, float threshold);
+
+    // TODO(b/281720315): Move this to DeviceConfig once server side ready.
+    private static final String KEY_SMALL_AREA_DETECTION_ALLOWLIST =
+            "small_area_detection_allowlist";
+
+    private final Object mLock = new Object();
+    private final Context mContext;
+    private final PackageManagerInternal mPackageManager;
+    private final UserManagerInternal mUserManager;
+    @GuardedBy("mLock")
+    private final Map<String, Float> mAllowPkgMap = new ArrayMap<>();
+    // TODO(b/298722189): Update allowlist when user changes
+    @GuardedBy("mLock")
+    private int[] mUserIds;
+
+    static SmallAreaDetectionController create(@NonNull Context context) {
+        final SmallAreaDetectionController controller =
+                new SmallAreaDetectionController(context, DeviceConfigInterface.REAL);
+        final String property = DeviceConfigInterface.REAL.getProperty(
+                DeviceConfig.NAMESPACE_DISPLAY_MANAGER, KEY_SMALL_AREA_DETECTION_ALLOWLIST);
+        controller.updateAllowlist(property);
+        return controller;
+    }
+
+    @VisibleForTesting
+    SmallAreaDetectionController(Context context, DeviceConfigInterface deviceConfig) {
+        mContext = context;
+        mPackageManager = LocalServices.getService(PackageManagerInternal.class);
+        mUserManager = LocalServices.getService(UserManagerInternal.class);
+        deviceConfig.addOnPropertiesChangedListener(DeviceConfig.NAMESPACE_DISPLAY_MANAGER,
+                BackgroundThread.getExecutor(),
+                new SmallAreaDetectionController.OnPropertiesChangedListener());
+        mPackageManager.getPackageList(new PackageReceiver());
+    }
+
+    @VisibleForTesting
+    void updateAllowlist(@Nullable String property) {
+        synchronized (mLock) {
+            mAllowPkgMap.clear();
+            if (property != null) {
+                final String[] mapStrings = property.split(",");
+                for (String mapString : mapStrings) putToAllowlist(mapString);
+            } else {
+                final String[] defaultMapStrings = mContext.getResources()
+                        .getStringArray(R.array.config_smallAreaDetectionAllowlist);
+                for (String defaultMapString : defaultMapStrings) putToAllowlist(defaultMapString);
+            }
+            updateSmallAreaDetection();
+        }
+    }
+
+    @GuardedBy("mLock")
+    private void putToAllowlist(String rowData) {
+        // Data format: package:threshold - e.g. "com.abc.music:0.05"
+        final String[] items = rowData.split(":");
+        if (items.length == 2) {
+            try {
+                final String pkg = items[0];
+                final float threshold = Float.valueOf(items[1]);
+                mAllowPkgMap.put(pkg, threshold);
+            } catch (Exception e) {
+                // Just skip if items[1] - the threshold is not parsable number
+            }
+        }
+    }
+
+    @GuardedBy("mLock")
+    private void updateUidListForAllUsers(SparseArray<Float> list, String pkg, float threshold) {
+        for (int i = 0; i < mUserIds.length; i++) {
+            final int userId = mUserIds[i];
+            final int uid = mPackageManager.getPackageUid(pkg, 0, userId);
+            if (uid > 0) list.put(uid, threshold);
+        }
+    }
+
+    @GuardedBy("mLock")
+    private void updateSmallAreaDetection() {
+        if (mAllowPkgMap.isEmpty()) return;
+
+        mUserIds = mUserManager.getUserIds();
+
+        final SparseArray<Float> uidThresholdList = new SparseArray<>();
+        for (String pkg : mAllowPkgMap.keySet()) {
+            final float threshold = mAllowPkgMap.get(pkg);
+            updateUidListForAllUsers(uidThresholdList, pkg, threshold);
+        }
+
+        final int[] uids = new int[uidThresholdList.size()];
+        final float[] thresholds = new float[uidThresholdList.size()];
+        for (int i = 0; i < uidThresholdList.size();  i++) {
+            uids[i] = uidThresholdList.keyAt(i);
+            thresholds[i] = uidThresholdList.valueAt(i);
+        }
+        updateSmallAreaDetection(uids, thresholds);
+    }
+
+    @VisibleForTesting
+    void updateSmallAreaDetection(int[] uids, float[] thresholds) {
+        nativeUpdateSmallAreaDetection(uids, thresholds);
+    }
+
+    void setSmallAreaDetectionThreshold(int uid, float threshold) {
+        nativeSetSmallAreaDetectionThreshold(uid, threshold);
+    }
+
+    void dump(PrintWriter pw) {
+        pw.println("Small area detection allowlist");
+        pw.println("  Packages:");
+        synchronized (mLock) {
+            for (String pkg : mAllowPkgMap.keySet()) {
+                pw.println("    " + pkg + " threshold = " + mAllowPkgMap.get(pkg));
+            }
+            pw.println("  mUserIds=" + Arrays.toString(mUserIds));
+        }
+    }
+
+    private class OnPropertiesChangedListener implements DeviceConfig.OnPropertiesChangedListener {
+        public void onPropertiesChanged(@NonNull DeviceConfig.Properties properties) {
+            if (properties.getKeyset().contains(KEY_SMALL_AREA_DETECTION_ALLOWLIST)) {
+                updateAllowlist(
+                        properties.getString(KEY_SMALL_AREA_DETECTION_ALLOWLIST, null /*default*/));
+            }
+        }
+    }
+
+    private final class PackageReceiver implements PackageManagerInternal.PackageListObserver {
+        @Override
+        public void onPackageAdded(@NonNull String packageName, int uid) {
+            synchronized (mLock) {
+                if (mAllowPkgMap.containsKey(packageName)) {
+                    setSmallAreaDetectionThreshold(uid, mAllowPkgMap.get(packageName));
+                }
+            }
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 53d1adf..fd42077 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -6183,6 +6183,8 @@
         @Override
         public void onPackageReplaced(ApplicationInfo aInfo) {
             synchronized (mGlobalLock) {
+                // In case if setWindowManager hasn't been called yet when booting.
+                if (mRootWindowContainer == null) return;
                 mRootWindowContainer.updateActivityApplicationInfo(aInfo);
             }
         }
diff --git a/services/core/jni/Android.bp b/services/core/jni/Android.bp
index 2a995b2..ec5378f 100644
--- a/services/core/jni/Android.bp
+++ b/services/core/jni/Android.bp
@@ -41,6 +41,7 @@
         "com_android_server_companion_virtual_InputController.cpp",
         "com_android_server_devicepolicy_CryptoTestHelper.cpp",
         "com_android_server_display_DisplayControl.cpp",
+        "com_android_server_display_SmallAreaDetectionController.cpp",
         "com_android_server_connectivity_Vpn.cpp",
         "com_android_server_gpu_GpuService.cpp",
         "com_android_server_HardwarePropertiesManagerService.cpp",
diff --git a/services/core/jni/com_android_server_display_SmallAreaDetectionController.cpp b/services/core/jni/com_android_server_display_SmallAreaDetectionController.cpp
new file mode 100644
index 0000000..b256f16
--- /dev/null
+++ b/services/core/jni/com_android_server_display_SmallAreaDetectionController.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#define LOG_TAG "SmallAreaDetectionController"
+
+#include <gui/SurfaceComposerClient.h>
+#include <nativehelper/JNIHelp.h>
+#include <nativehelper/ScopedPrimitiveArray.h>
+
+#include "jni.h"
+#include "utils/Log.h"
+
+namespace android {
+static void nativeUpdateSmallAreaDetection(JNIEnv* env, jclass clazz, jintArray juids,
+                                           jfloatArray jthresholds) {
+    if (juids == nullptr || jthresholds == nullptr) return;
+
+    ScopedIntArrayRO uids(env, juids);
+    ScopedFloatArrayRO thresholds(env, jthresholds);
+
+    if (uids.size() != thresholds.size()) {
+        ALOGE("uids size exceeds thresholds size!");
+        return;
+    }
+
+    std::vector<int32_t> uidVector;
+    std::vector<float> thresholdVector;
+    size_t size = uids.size();
+    uidVector.reserve(size);
+    thresholdVector.reserve(size);
+    for (int i = 0; i < size; i++) {
+        uidVector.push_back(static_cast<int32_t>(uids[i]));
+        thresholdVector.push_back(static_cast<float>(thresholds[i]));
+    }
+    SurfaceComposerClient::updateSmallAreaDetection(uidVector, thresholdVector);
+}
+
+static void nativeSetSmallAreaDetectionThreshold(JNIEnv* env, jclass clazz, jint uid,
+                                                 jfloat threshold) {
+    SurfaceComposerClient::setSmallAreaDetectionThreshold(uid, threshold);
+}
+
+static const JNINativeMethod gMethods[] = {
+        {"nativeUpdateSmallAreaDetection", "([I[F)V", (void*)nativeUpdateSmallAreaDetection},
+        {"nativeSetSmallAreaDetectionThreshold", "(IF)V",
+         (void*)nativeSetSmallAreaDetectionThreshold},
+};
+
+int register_android_server_display_smallAreaDetectionController(JNIEnv* env) {
+    return jniRegisterNativeMethods(env, "com/android/server/display/SmallAreaDetectionController",
+                                    gMethods, NELEM(gMethods));
+}
+
+}; // namespace android
diff --git a/services/core/jni/onload.cpp b/services/core/jni/onload.cpp
index 97d7be6..f6f6737 100644
--- a/services/core/jni/onload.cpp
+++ b/services/core/jni/onload.cpp
@@ -67,6 +67,7 @@
 int register_com_android_server_wm_TaskFpsCallbackController(JNIEnv* env);
 int register_com_android_server_display_DisplayControl(JNIEnv* env);
 int register_com_android_server_SystemClockTime(JNIEnv* env);
+int register_android_server_display_smallAreaDetectionController(JNIEnv* env);
 };
 
 using namespace android;
@@ -126,5 +127,6 @@
     register_com_android_server_wm_TaskFpsCallbackController(env);
     register_com_android_server_display_DisplayControl(env);
     register_com_android_server_SystemClockTime(env);
+    register_android_server_display_smallAreaDetectionController(env);
     return JNI_VERSION_1_4;
 }
diff --git a/services/tests/displayservicetests/Android.bp b/services/tests/displayservicetests/Android.bp
index fb14419..e28028f9 100644
--- a/services/tests/displayservicetests/Android.bp
+++ b/services/tests/displayservicetests/Android.bp
@@ -35,6 +35,7 @@
         "mockingservicestests-utils-mockito",
         "platform-compat-test-rules",
         "platform-test-annotations",
+        "service-permission.stubs.system_server",
         "services.core",
         "servicestests-utils",
         "testables",
diff --git a/services/tests/displayservicetests/src/com/android/server/display/DisplayManagerServiceTest.java b/services/tests/displayservicetests/src/com/android/server/display/DisplayManagerServiceTest.java
index 40d7a77..a23539e 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/DisplayManagerServiceTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/DisplayManagerServiceTest.java
@@ -64,6 +64,7 @@
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.content.pm.PackageManager;
+import android.content.pm.PackageManagerInternal;
 import android.content.res.Resources;
 import android.graphics.Insets;
 import android.graphics.Rect;
@@ -113,6 +114,7 @@
 import com.android.server.display.feature.DisplayManagerFlags;
 import com.android.server.input.InputManagerInternal;
 import com.android.server.lights.LightsManager;
+import com.android.server.pm.UserManagerInternal;
 import com.android.server.sensors.SensorManagerInternal;
 import com.android.server.wm.WindowManagerInternal;
 
@@ -291,10 +293,11 @@
     @Mock LocalDisplayAdapter.SurfaceControlProxy mSurfaceControlProxy;
     @Mock IBinder mMockDisplayToken;
     @Mock SensorManagerInternal mMockSensorManagerInternal;
-
     @Mock SensorManager mSensorManager;
-
     @Mock DisplayDeviceConfig mMockDisplayDeviceConfig;
+    @Mock PackageManagerInternal mMockPackageManagerInternal;
+    @Mock UserManagerInternal mMockUserManagerInternal;
+
 
     @Captor ArgumentCaptor<ContentRecordingSession> mContentRecordingSessionCaptor;
     @Mock DisplayManagerFlags mMockFlags;
@@ -315,6 +318,10 @@
         LocalServices.removeServiceForTest(VirtualDeviceManagerInternal.class);
         LocalServices.addService(
                 VirtualDeviceManagerInternal.class, mMockVirtualDeviceManagerInternal);
+        LocalServices.removeServiceForTest(PackageManagerInternal.class);
+        LocalServices.addService(PackageManagerInternal.class, mMockPackageManagerInternal);
+        LocalServices.removeServiceForTest(UserManagerInternal.class);
+        LocalServices.addService(UserManagerInternal.class, mMockUserManagerInternal);
         // TODO: b/287945043
         mContext = spy(new ContextWrapper(ApplicationProvider.getApplicationContext()));
         mResources = Mockito.spy(mContext.getResources());
diff --git a/services/tests/mockingservicestests/src/com/android/server/display/SmallAreaDetectionControllerTest.java b/services/tests/mockingservicestests/src/com/android/server/display/SmallAreaDetectionControllerTest.java
new file mode 100644
index 0000000..1ce79a5
--- /dev/null
+++ b/services/tests/mockingservicestests/src/com/android/server/display/SmallAreaDetectionControllerTest.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2023 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.server.display;
+
+import static android.os.Process.INVALID_UID;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ContextWrapper;
+import android.content.pm.PackageManagerInternal;
+import android.provider.DeviceConfigInterface;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.LocalServices;
+import com.android.server.pm.UserManagerInternal;
+
+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;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class SmallAreaDetectionControllerTest {
+
+    @Rule
+    public MockitoRule mRule = MockitoJUnit.rule();
+
+    @Mock
+    private PackageManagerInternal mMockPackageManagerInternal;
+    @Mock
+    private UserManagerInternal mMockUserManagerInternal;
+
+    private SmallAreaDetectionController mSmallAreaDetectionController;
+
+    private static final String PKG_A = "com.a.b.c";
+    private static final String PKG_B = "com.d.e.f";
+    private static final String PKG_NOT_INSTALLED = "com.not.installed";
+    private static final float THRESHOLD_A = 0.05f;
+    private static final float THRESHOLD_B = 0.07f;
+    private static final int USER_1 = 110;
+    private static final int USER_2 = 111;
+    private static final int UID_A_1 = 11011111;
+    private static final int UID_A_2 = 11111111;
+    private static final int UID_B_1 = 11022222;
+    private static final int UID_B_2 = 11122222;
+
+    @Before
+    public void setup() {
+        LocalServices.removeServiceForTest(PackageManagerInternal.class);
+        LocalServices.addService(PackageManagerInternal.class, mMockPackageManagerInternal);
+        LocalServices.removeServiceForTest(UserManagerInternal.class);
+        LocalServices.addService(UserManagerInternal.class, mMockUserManagerInternal);
+
+        when(mMockUserManagerInternal.getUserIds()).thenReturn(new int[]{USER_1, USER_2});
+        when(mMockPackageManagerInternal.getPackageUid(PKG_A, 0, USER_1)).thenReturn(UID_A_1);
+        when(mMockPackageManagerInternal.getPackageUid(PKG_A, 0, USER_2)).thenReturn(UID_A_2);
+        when(mMockPackageManagerInternal.getPackageUid(PKG_B, 0, USER_1)).thenReturn(UID_B_1);
+        when(mMockPackageManagerInternal.getPackageUid(PKG_B, 0, USER_2)).thenReturn(UID_B_2);
+        when(mMockPackageManagerInternal.getPackageUid(PKG_NOT_INSTALLED, 0, USER_1)).thenReturn(
+                INVALID_UID);
+        when(mMockPackageManagerInternal.getPackageUid(PKG_NOT_INSTALLED, 0, USER_2)).thenReturn(
+                INVALID_UID);
+
+        mSmallAreaDetectionController = spy(new SmallAreaDetectionController(
+                new ContextWrapper(ApplicationProvider.getApplicationContext()),
+                DeviceConfigInterface.REAL));
+        doNothing().when(mSmallAreaDetectionController).updateSmallAreaDetection(any(), any());
+    }
+
+    @Test
+    public void testUpdateAllowlist_validProperty() {
+        final String property = PKG_A + ":" + THRESHOLD_A + "," + PKG_B + ":" + THRESHOLD_B;
+        mSmallAreaDetectionController.updateAllowlist(property);
+
+        final int[] resultUidArray = {UID_A_1, UID_B_1, UID_A_2, UID_B_2};
+        final float[] resultThresholdArray = {THRESHOLD_A, THRESHOLD_B, THRESHOLD_A, THRESHOLD_B};
+        verify(mSmallAreaDetectionController).updateSmallAreaDetection(eq(resultUidArray),
+                eq(resultThresholdArray));
+    }
+
+    @Test
+    public void testUpdateAllowlist_includeInvalidRow() {
+        final String property = PKG_A + "," + PKG_B + ":" + THRESHOLD_B;
+        mSmallAreaDetectionController.updateAllowlist(property);
+
+        final int[] resultUidArray = {UID_B_1, UID_B_2};
+        final float[] resultThresholdArray = {THRESHOLD_B, THRESHOLD_B};
+        verify(mSmallAreaDetectionController).updateSmallAreaDetection(eq(resultUidArray),
+                eq(resultThresholdArray));
+    }
+
+    @Test
+    public void testUpdateAllowlist_includeNotInstalledPkg() {
+        final String property =
+                PKG_A + ":" + THRESHOLD_A + "," + PKG_NOT_INSTALLED + ":" + THRESHOLD_B;
+        mSmallAreaDetectionController.updateAllowlist(property);
+
+        final int[] resultUidArray = {UID_A_1, UID_A_2};
+        final float[] resultThresholdArray = {THRESHOLD_A, THRESHOLD_A};
+        verify(mSmallAreaDetectionController).updateSmallAreaDetection(eq(resultUidArray),
+                eq(resultThresholdArray));
+    }
+
+    @Test
+    public void testUpdateAllowlist_invalidProperty() {
+        final String property = PKG_A;
+        mSmallAreaDetectionController.updateAllowlist(property);
+
+        verify(mSmallAreaDetectionController, never()).updateSmallAreaDetection(any(), any());
+    }
+}