1 /* 2 * Copyright (C) 2025 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.app; 18 19 import static org.junit.Assert.assertEquals; 20 21 import android.Manifest; 22 import android.content.Context; 23 import android.os.ParcelFileDescriptor; 24 25 import androidx.annotation.NonNull; 26 import androidx.test.platform.app.InstrumentationRegistry; 27 28 import com.android.compatibility.common.util.AmUtils; 29 import com.android.compatibility.common.util.FileUtils; 30 import com.android.compatibility.common.util.SystemUtil; 31 import com.android.compatibility.common.util.ThrowingRunnable; 32 33 import java.io.FileInputStream; 34 import java.io.IOException; 35 36 public class NotificationSystemUtil { 37 38 /** 39 * Runs a {@link ThrowingRunnable} as the Shell, while adopting SystemUI's permission (as 40 * checked by {@code NotificationManagerService#isCallerSystemOrSystemUi}). 41 */ runAsSystemUi(@onNull ThrowingRunnable runnable)42 protected static void runAsSystemUi(@NonNull ThrowingRunnable runnable) { 43 SystemUtil.runWithShellPermissionIdentity( 44 InstrumentationRegistry.getInstrumentation().getUiAutomation(), 45 runnable, Manifest.permission.STATUS_BAR_SERVICE); 46 } 47 toggleNotificationPolicyAccess(Context context, String packageName, boolean on)48 static void toggleNotificationPolicyAccess(Context context, String packageName, 49 boolean on) throws IOException { 50 51 String command = " cmd notification " + (on ? "allow_dnd " : "disallow_dnd ") + packageName 52 + " " + context.getUserId(); 53 54 runCommand(command, InstrumentationRegistry.getInstrumentation()); 55 AmUtils.waitForBroadcastBarrier(); 56 57 NotificationManager nm = context.getSystemService(NotificationManager.class); 58 assertEquals("Notification Policy Access Grant is " 59 + nm.isNotificationPolicyAccessGranted() + " not " + on + " for " 60 + packageName, on, nm.isNotificationPolicyAccessGranted()); 61 } 62 runCommand(String command, Instrumentation instrumentation)63 private static void runCommand(String command, Instrumentation instrumentation) 64 throws IOException { 65 UiAutomation uiAutomation = instrumentation.getUiAutomation(); 66 try (FileInputStream fis = new ParcelFileDescriptor.AutoCloseInputStream( 67 uiAutomation.executeShellCommand(command))) { 68 FileUtils.readInputStreamFully(fis); 69 } 70 } 71 } 72