1 /* 2 * Copyright (C) 2023 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.car.view; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.annotation.SystemApi; 22 import android.car.annotation.ApiRequirements; 23 import android.view.Display; 24 25 /** 26 * Provide access to {@code android.view.Display} calls. 27 * @hide 28 */ 29 @SystemApi 30 public final class DisplayHelper { 31 32 /** The same value as {@code android.car.builtin.view.DisplayHelper.INVALID_PORT} */ 33 @ApiRequirements(minCarVersion = ApiRequirements.CarVersion.UPSIDE_DOWN_CAKE_0, 34 minPlatformVersion = ApiRequirements.PlatformVersion.TIRAMISU_0) 35 public static final int INVALID_PORT = -1; 36 DisplayHelper()37 private DisplayHelper() { 38 throw new UnsupportedOperationException(); 39 } 40 41 /** 42 * @return the uniqueId of the given display. 43 */ 44 @ApiRequirements(minCarVersion = ApiRequirements.CarVersion.UPSIDE_DOWN_CAKE_0, 45 minPlatformVersion = ApiRequirements.PlatformVersion.TIRAMISU_0) 46 @Nullable getUniqueId(@onNull Display display)47 public static String getUniqueId(@NonNull Display display) { 48 return android.car.builtin.view.DisplayHelper.getUniqueId(display); 49 } 50 51 /** 52 * @return the physical port of the given display. 53 */ 54 @ApiRequirements(minCarVersion = ApiRequirements.CarVersion.UPSIDE_DOWN_CAKE_0, 55 minPlatformVersion = ApiRequirements.PlatformVersion.TIRAMISU_0) getPhysicalPort(@onNull Display display)56 public static int getPhysicalPort(@NonNull Display display) { 57 return android.car.builtin.view.DisplayHelper.getPhysicalPort(display); 58 } 59 } 60