1 package org.robolectric.shadows;
2 
3 import android.content.pm.PackageManager;
4 import android.os.Build.VERSION_CODES;
5 import com.google.common.collect.ImmutableMap;
6 import java.util.HashMap;
7 import java.util.Map;
8 import org.robolectric.RuntimeEnvironment;
9 
10 final class SystemFeatureListInitializer {
11 
getSystemFeatures()12   public static ImmutableMap<String, Boolean> getSystemFeatures() {
13     int apiLevel = RuntimeEnvironment.getApiLevel();
14     Map<String, Boolean> features = new HashMap<>();
15 
16     features.put(PackageManager.FEATURE_TOUCHSCREEN, true);
17 
18     if (apiLevel >= VERSION_CODES.N_MR1) {
19       features.put(PackageManager.FEATURE_WIFI, true);
20     }
21 
22     if (apiLevel >= VERSION_CODES.O) {
23       features.put(PackageManager.FEATURE_WIFI_AWARE, true);
24       features.put(PackageManager.FEATURE_COMPANION_DEVICE_SETUP, true);
25     }
26 
27     if (apiLevel >= VERSION_CODES.P) {
28       features.put(PackageManager.FEATURE_WIFI_DIRECT, true);
29       features.put(PackageManager.FEATURE_WIFI_RTT, true);
30     }
31 
32     if (apiLevel >= VERSION_CODES.UPSIDE_DOWN_CAKE) {
33       // Starting in V, FEATURE_TELEPHONY_SUBSCRIPTION is required for some system services,
34       // such as VcnManager.
35       features.put(PackageManager.FEATURE_TELEPHONY_SUBSCRIPTION, true);
36     }
37 
38     return ImmutableMap.copyOf(features);
39   }
40 }
41