allow service to run with screen off

app/build.gradle.kts

@@ -37,6 +37,14 @@ android {
             isRenderscriptDebuggable = false
             signingConfig = signingConfigs.getByName("release")
         }
+        create("private") {
+            isDebuggable = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+            signingConfig = signingConfigs.getByName("debug")
+        }
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8

app/src/main/res/xml/apduservice.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <host-apdu-service xmlns:android="http://schemas.android.com/apk/res/android"
     android:description="@string/servicedesc"
+    android:requireDeviceScreenOn="false"
     android:requireDeviceUnlock="false">
     <aid-group android:description="@string/aiddescription"
         android:category="other">