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-rw-r--r--services/core/java/com/android/server/wm/ActivityTaskManagerService.java8
-rw-r--r--tests/MultiUser/Android.bp27
-rw-r--r--tests/MultiUser/AndroidManifest.xml18
-rw-r--r--tests/MultiUser/TEST_MAPPING7
-rw-r--r--tests/MultiUser/src/com/android/test/multiuser/MultiUserSettingsTests.java164
5 files changed, 224 insertions, 0 deletions
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index be01646bc25a..173545c30291 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -4441,6 +4441,10 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
}
private void updateFontScaleIfNeeded(@UserIdInt int userId) {
+ if (userId != getCurrentUserId()) {
+ return;
+ }
+
final float scaleFactor = Settings.System.getFloatForUser(mContext.getContentResolver(),
FONT_SCALE, 1.0f, userId);
@@ -4457,6 +4461,10 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
}
private void updateFontWeightAdjustmentIfNeeded(@UserIdInt int userId) {
+ if (userId != getCurrentUserId()) {
+ return;
+ }
+
final int fontWeightAdjustment =
Settings.Secure.getIntForUser(
mContext.getContentResolver(),
diff --git a/tests/MultiUser/Android.bp b/tests/MultiUser/Android.bp
new file mode 100644
index 000000000000..bde309fe3015
--- /dev/null
+++ b/tests/MultiUser/Android.bp
@@ -0,0 +1,27 @@
+package {
+ // See: http://go/android-license-faq
+ // A large-scale-change added 'default_applicable_licenses' to import
+ // all of the 'license_kinds' from "frameworks_base_license"
+ // to get the below license kinds:
+ // SPDX-license-identifier-Apache-2.0
+ default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_test {
+ name: "MultiUserTests",
+ platform_apis: true,
+ srcs: ["src/**/*.java"],
+
+ static_libs: [
+ "androidx.test.rules",
+ "androidx.test.runner",
+ "services.core",
+ ],
+ libs: [
+ "android.test.runner",
+ "android.test.base",
+ "android.test.mock",
+ ],
+ certificate: "platform",
+ test_suites: ["device-tests"],
+}
diff --git a/tests/MultiUser/AndroidManifest.xml b/tests/MultiUser/AndroidManifest.xml
new file mode 100644
index 000000000000..9a25c0990de4
--- /dev/null
+++ b/tests/MultiUser/AndroidManifest.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.test.multiuser">
+ <uses-permission android:name="android.permission.WRITE_SETTINGS" />
+ <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS" />
+ <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
+ <uses-permission android:name="android.permission.MANAGE_USERS" />
+
+
+ <application android:debuggable="true">
+ <uses-library android:name="android.test.runner" />
+ </application>
+
+ <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
+ android:targetPackage="com.android.test.multiuser">
+ </instrumentation>
+</manifest>
diff --git a/tests/MultiUser/TEST_MAPPING b/tests/MultiUser/TEST_MAPPING
new file mode 100644
index 000000000000..0dbef6cbc6ff
--- /dev/null
+++ b/tests/MultiUser/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "MultiUserTests"
+ }
+ ]
+}
diff --git a/tests/MultiUser/src/com/android/test/multiuser/MultiUserSettingsTests.java b/tests/MultiUser/src/com/android/test/multiuser/MultiUserSettingsTests.java
new file mode 100644
index 000000000000..1521cc617873
--- /dev/null
+++ b/tests/MultiUser/src/com/android/test/multiuser/MultiUserSettingsTests.java
@@ -0,0 +1,164 @@
+/*
+ * 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.test.multiuser;
+
+import static android.provider.Settings.Secure.FONT_WEIGHT_ADJUSTMENT;
+import static android.provider.Settings.System.FONT_SCALE;
+
+import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
+
+import static org.junit.Assert.assertEquals;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.os.UserManager;
+import android.provider.Settings;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+
+import org.junit.Assume;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class MultiUserSettingsTests {
+ private final Context mContext = getInstrumentation().getTargetContext();
+ private final ContentResolver mContentResolver = mContext.getContentResolver();
+
+ private static void waitForBroadcastIdle() throws InterruptedException {
+ final int sleepDuration = 1000;
+ final String cmdAmWaitForBroadcastIdle = "am wait-for-broadcast-idle";
+
+ Thread.sleep(sleepDuration);
+ InstrumentationRegistry.getInstrumentation().getUiAutomation()
+ .executeShellCommand(cmdAmWaitForBroadcastIdle);
+ Thread.sleep(sleepDuration);
+ }
+
+ private float getGlobalFontScale() {
+ return mContext.getResources().getConfiguration().fontScale;
+ }
+
+ private int getGlobalFontWeight() {
+ return mContext.getResources().getConfiguration().fontWeightAdjustment;
+ }
+
+ private float getFontScaleOfUser(int userId) {
+ return Settings.System.getFloatForUser(mContentResolver, FONT_SCALE, 1, userId);
+ }
+
+ private int getFontWeightOfUser(int userId) {
+ return Settings.Secure.getIntForUser(mContentResolver, FONT_WEIGHT_ADJUSTMENT, 1, userId);
+ }
+
+ private void setFontScaleOfUser(float fontScale, int userId) throws InterruptedException {
+ Settings.System.putFloatForUser(mContentResolver, FONT_SCALE, fontScale, userId);
+ waitForBroadcastIdle();
+ }
+
+ private void setFontWeightOfUser(int fontWeight, int userId) throws InterruptedException {
+ Settings.Secure.putIntForUser(mContentResolver, FONT_WEIGHT_ADJUSTMENT, fontWeight, userId);
+ waitForBroadcastIdle();
+ }
+
+ @Test
+ public void testChangingFontScaleOfABackgroundUser_shouldNotAffectUI()
+ throws InterruptedException {
+
+ Assume.assumeTrue(UserManager.supportsMultipleUsers());
+
+ UserManager userManager = UserManager.get(mContext);
+
+ final int backgroundUserId = userManager.createUser("test_user",
+ UserManager.USER_TYPE_FULL_SECONDARY, 0).id;
+ final float oldFontScaleOfBgUser = getFontScaleOfUser(backgroundUserId);
+ final float oldGlobalFontScale = getGlobalFontScale();
+ final float newFontScaleOfBgUser = 1 + Math.max(oldGlobalFontScale, oldFontScaleOfBgUser);
+
+ try {
+ setFontScaleOfUser(newFontScaleOfBgUser, backgroundUserId);
+ final float newGlobalFontScale = getGlobalFontScale();
+ assertEquals(oldGlobalFontScale, newGlobalFontScale, 0);
+ } finally {
+ setFontScaleOfUser(oldFontScaleOfBgUser, backgroundUserId);
+ userManager.removeUser(backgroundUserId);
+ }
+ }
+
+ @Test
+ public void testChangingFontWeightOfABackgroundUser_shouldNotAffectUI()
+ throws InterruptedException {
+
+ Assume.assumeTrue(UserManager.supportsMultipleUsers());
+
+ UserManager userManager = UserManager.get(mContext);
+
+ final int backgroundUserId = userManager.createUser("test_user",
+ UserManager.USER_TYPE_FULL_SECONDARY, 0).id;
+ final int oldFontWeightOfBgUser = getFontWeightOfUser(backgroundUserId);
+ final int oldGlobalFontWeight = getGlobalFontWeight();
+ final int newFontWeightOfBgUser = 2 * Math.max(oldGlobalFontWeight, oldFontWeightOfBgUser);
+
+ try {
+ setFontWeightOfUser(newFontWeightOfBgUser, backgroundUserId);
+ final int newGlobalFontWeight = getGlobalFontWeight();
+ assertEquals(oldGlobalFontWeight, newGlobalFontWeight);
+ } finally {
+ setFontWeightOfUser(oldFontWeightOfBgUser, backgroundUserId);
+ userManager.removeUser(backgroundUserId);
+ }
+ }
+
+ @Test
+ public void testChangingFontScaleOfTheForegroundUser_shouldAffectUI()
+ throws InterruptedException {
+
+ Assume.assumeTrue(UserManager.supportsMultipleUsers());
+
+ final int currentUserId = mContext.getUserId();
+ final float oldFontScale = getFontScaleOfUser(currentUserId);
+ final float newFontScale = 1 + oldFontScale;
+
+ try {
+ setFontScaleOfUser(newFontScale, currentUserId);
+ final float globalFontScale = getGlobalFontScale();
+ assertEquals(newFontScale, globalFontScale, 0);
+ } finally {
+ setFontScaleOfUser(oldFontScale, currentUserId);
+ }
+ }
+
+ @Test
+ public void testChangingFontWeightOfTheForegroundUser_shouldAffectUI()
+ throws InterruptedException {
+
+ Assume.assumeTrue(UserManager.supportsMultipleUsers());
+
+ final int currentUserId = mContext.getUserId();
+ final int oldFontWeight = getFontWeightOfUser(currentUserId);
+ final int newFontWeight = 2 * oldFontWeight;
+
+ try {
+ setFontWeightOfUser(newFontWeight, currentUserId);
+ final int globalFontWeight = getGlobalFontWeight();
+ assertEquals(newFontWeight, globalFontWeight);
+ } finally {
+ setFontWeightOfUser(oldFontWeight, currentUserId);
+ }
+ }
+}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-04 00:37:57 +0000