| /* |
| * Copyright (C) 2017 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.compatibility.common.util; |
| |
| import android.content.Context; |
| import android.content.pm.FeatureInfo; |
| import android.content.pm.PackageManager; |
| import android.content.res.Configuration; |
| import android.os.Build; |
| |
| import androidx.test.InstrumentationRegistry; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Device-side utility class for detecting system features |
| */ |
| public class FeatureUtil { |
| |
| public static final String AUTOMOTIVE_FEATURE = "android.hardware.type.automotive"; |
| public static final String LEANBACK_FEATURE = "android.software.leanback"; |
| public static final String LOW_RAM_FEATURE = "android.hardware.ram.low"; |
| public static final String TELEPHONY_FEATURE = "android.hardware.telephony"; |
| public static final String TV_FEATURE = "android.hardware.type.television"; |
| public static final String WATCH_FEATURE = "android.hardware.type.watch"; |
| |
| |
| /** Returns true if the device has a given system feature */ |
| public static boolean hasSystemFeature(String feature) { |
| return getPackageManager().hasSystemFeature(feature); |
| } |
| |
| /** Returns true if the device has any feature in a given collection of system features */ |
| public static boolean hasAnySystemFeature(String... features) { |
| PackageManager pm = getPackageManager(); |
| for (String feature : features) { |
| if (pm.hasSystemFeature(feature)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** Returns true if the device has all features in a given collection of system features */ |
| public static boolean hasAllSystemFeatures(String... features) { |
| PackageManager pm = getPackageManager(); |
| for (String feature : features) { |
| if (!pm.hasSystemFeature(feature)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** Returns all system features of the device */ |
| public static Set<String> getAllFeatures() { |
| Set<String> allFeatures = new HashSet<String>(); |
| for (FeatureInfo fi : getPackageManager().getSystemAvailableFeatures()) { |
| allFeatures.add(fi.name); |
| } |
| return allFeatures; |
| } |
| |
| /** Returns true if the device has feature TV_FEATURE or feature LEANBACK_FEATURE */ |
| public static boolean isTV() { |
| return hasAnySystemFeature(TV_FEATURE, LEANBACK_FEATURE); |
| } |
| |
| /** Returns true if the device has feature WATCH_FEATURE */ |
| public static boolean isWatch() { |
| return hasSystemFeature(WATCH_FEATURE); |
| } |
| |
| /** Returns true if the device has feature AUTOMOTIVE_FEATURE */ |
| public static boolean isAutomotive() { |
| return hasSystemFeature(AUTOMOTIVE_FEATURE); |
| } |
| |
| public static boolean isVrHeadset() { |
| int maskedUiMode = (getConfiguration().uiMode & Configuration.UI_MODE_TYPE_MASK); |
| return (maskedUiMode == Configuration.UI_MODE_TYPE_VR_HEADSET); |
| } |
| |
| /** Returns true if the device is a low ram device: |
| * 1. API level >= O_MR1 |
| * 2. device has feature LOW_RAM_FEATURE |
| */ |
| public static boolean isLowRam() { |
| return ApiLevelUtil.isAtLeast(Build.VERSION_CODES.O_MR1) && |
| hasSystemFeature(LOW_RAM_FEATURE); |
| } |
| |
| private static Context getContext() { |
| return InstrumentationRegistry.getInstrumentation().getTargetContext(); |
| } |
| |
| private static PackageManager getPackageManager() { |
| return getContext().getPackageManager(); |
| } |
| |
| private static Configuration getConfiguration() { |
| return getContext().getResources().getConfiguration(); |
| } |
| |
| /** Returns true if the device has feature TELEPHONY_FEATURE */ |
| public static boolean hasTelephony() { |
| return hasSystemFeature(TELEPHONY_FEATURE); |
| } |
| |
| /** Returns true if the device has feature FEATURE_MICROPHONE */ |
| public static boolean hasMicrophone() { |
| return hasSystemFeature(getPackageManager().FEATURE_MICROPHONE); |
| } |
| } |