[Android][iOS] Add age over 18 verifier (#118)

This adds `age_over_18` verification for mDLs
spruceid · Feb 25, 2025 · 61c77d7 · 61c77d7
1 parent 751d5c1
commit 61c77d7
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Showing 11 changed files with 54 additions and 11 deletions.
diff --git a/example/src/main/java/com/spruceid/mobilesdkexample/navigation/Screen.kt b/example/src/main/java/com/spruceid/mobilesdkexample/navigation/Screen.kt
@@ -5,6 +5,7 @@ const val VERIFY_DL_PATH = "verify_dl"
 const val VERIFY_EA_PATH = "verify_ea"
 const val VERIFY_VC_PATH = "verify_vc"
 const val VERIFY_MDOC_PATH = "verify_mdoc"
+const val VERIFY_MDL_OVER_18_PATH = "verify_mdl_over_18"
 const val VERIFY_DELEGATED_OID4VP_PATH = "verify_delegated_oid4vp/{id}"
 const val VERIFIER_SETTINGS_HOME_PATH = "verifier_settings_home"
 const val VERIFIER_SETTINGS_ACTIVITY_LOG = "verifier_settings_activity_log"
@@ -24,6 +25,7 @@ sealed class Screen(val route: String) {
     object VerifyEAScreen : Screen(VERIFY_EA_PATH)
     object VerifyVCScreen : Screen(VERIFY_VC_PATH)
     object VerifyMDocScreen : Screen(VERIFY_MDOC_PATH)
+    object VerifyMDlOver18Screen : Screen(VERIFY_MDL_OVER_18_PATH)
     object VerifyDelegatedOid4vpScreen : Screen(VERIFY_DELEGATED_OID4VP_PATH)
     object VerifierSettingsHomeScreen : Screen(VERIFIER_SETTINGS_HOME_PATH)
     object VerifierSettingsActivityLogScreen : Screen(VERIFIER_SETTINGS_ACTIVITY_LOG)

diff --git a/example/src/main/java/com/spruceid/mobilesdkexample/navigation/SetupNavGraph.kt b/example/src/main/java/com/spruceid/mobilesdkexample/navigation/SetupNavGraph.kt
@@ -90,6 +90,15 @@ fun SetupNavGraph(
                 verificationActivityLogsViewModel = verificationActivityLogsViewModel
             )
         }
+        composable(
+            route = Screen.VerifyMDlOver18Screen.route,
+        ) {
+            VerifyMDocView(
+                navController,
+                verificationActivityLogsViewModel = verificationActivityLogsViewModel,
+                checkAgeOver18 = true
+            )
+        }
         composable(
             route = Screen.VerifyDelegatedOid4vpScreen.route,
         ) { backStackEntry ->

diff --git a/example/src/main/java/com/spruceid/mobilesdkexample/verifier/VerifierBinarySuccessView.kt b/example/src/main/java/com/spruceid/mobilesdkexample/verifier/VerifierBinarySuccessView.kt
@@ -11,6 +11,7 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
@@ -20,6 +21,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
@@ -64,7 +66,11 @@ fun VerifierBinarySuccessView(
                         Image(
                             painter = painterResource(id = R.drawable.valid_check),
                             contentDescription = stringResource(id = R.string.valid_check),
-                            modifier = Modifier.padding(end = 12.dp)
+                            modifier = Modifier
+                                .padding(end = 12.dp)
+                                .width(30.dp)
+                                .height(30.dp),
+                            colorFilter = ColorFilter.tint(Color.White)
                         )
                         Text(
                             text = "True",
@@ -95,7 +101,11 @@ fun VerifierBinarySuccessView(
                         Image(
                             painter = painterResource(id = R.drawable.invalid_check),
                             contentDescription = stringResource(id = R.string.invalid_check),
-                            modifier = Modifier.padding(end = 12.dp)
+                            modifier = Modifier
+                                .padding(end = 12.dp)
+                                .width(30.dp)
+                                .height(30.dp),
+                            colorFilter = ColorFilter.tint(Color.White)
                         )
                         Text(
                             text = "False",

diff --git a/example/src/main/java/com/spruceid/mobilesdkexample/verifier/VerifierHomeView.kt b/example/src/main/java/com/spruceid/mobilesdkexample/verifier/VerifierHomeView.kt
@@ -165,6 +165,14 @@ fun VerifierHomeBody(
                     navController.navigate(Screen.VerifyMDocScreen.route)
                 }
             )
+            VerifierListItem(
+                title = "Mobile Driver's Licence - Over 18",
+                description = "Verifies an ISO formatted mobile driver's license by reading a QR code",
+                type = VerifierListItemTagType.SCAN_QR_CODE,
+                modifier = Modifier.clickable {
+                    navController.navigate(Screen.VerifyMDlOver18Screen.route)
+                }
+            )
             VerifierListItem(
                 title = "Verifiable Credential",
                 description = "Verifies a verifiable credential by reading the verifiable presentation QR code",

diff --git a/example/src/main/java/com/spruceid/mobilesdkexample/verifier/VerifyMDocView.kt b/example/src/main/java/com/spruceid/mobilesdkexample/verifier/VerifyMDocView.kt
@@ -5,14 +5,12 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
-import android.util.Log
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ExperimentalLayoutApi
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.navigationBarsPadding
@@ -139,6 +137,13 @@ val defaultElements: Map<String, Map<String, Boolean>> =
         )
     )
 
+val ageOver18Elements: Map<String, Map<String, Boolean>> =
+    mapOf(
+        "org.iso.18013.5.1" to mapOf(
+            "age_over_18" to false,
+        )
+    )
+
 enum class State {
     ENABLE_BLUETOOTH,
     SCANNING,
@@ -147,13 +152,14 @@ enum class State {
 }
 
 @OptIn(
-    ExperimentalLayoutApi::class, ExperimentalMaterial3Api::class,
+    ExperimentalMaterial3Api::class,
     ExperimentalPermissionsApi::class
 )
 @Composable
 fun VerifyMDocView(
     navController: NavController,
     verificationActivityLogsViewModel: VerificationActivityLogsViewModel,
+    checkAgeOver18: Boolean = false
 ) {
     val context = LocalContext.current
     val scope = rememberCoroutineScope()
@@ -232,11 +238,6 @@ fun VerifyMDocView(
         }
     }
 
-    fun elementMapToList(elements: Map<String, Map<String, Boolean>>): List<String> {
-        val elementList = listOf(elements.values.map { it.keys.toList() })
-        return elementList.flatten().flatten()
-    }
-
     fun onRead(content: String) {
         scanProcessState = State.TRANSMITTING
         checkAndRequestBluetoothPermissions(
@@ -249,7 +250,11 @@ fun VerifyMDocView(
             reader = IsoMdlReader(
                 bleCallback,
                 content,
-                defaultElements,
+                if (checkAgeOver18) {
+                    ageOver18Elements
+                } else {
+                    defaultElements
+                },
                 trustAnchorCerts,
                 bluetooth!!,
                 context

diff --git a/example/src/main/res/drawable-hdpi/invalid_check.png b/example/src/main/res/drawable-hdpi/invalid_check.png
diff --git a/example/src/main/res/drawable-mdpi/invalid_check.png b/example/src/main/res/drawable-mdpi/invalid_check.png
diff --git a/example/src/main/res/drawable-xhdpi/invalid_check.png b/example/src/main/res/drawable-xhdpi/invalid_check.png
diff --git a/example/src/main/res/drawable-xxhdpi/invalid_check.png b/example/src/main/res/drawable-xxhdpi/invalid_check.png
diff --git a/example/src/main/res/drawable-xxxhdpi/invalid_check.png b/example/src/main/res/drawable-xxxhdpi/invalid_check.png
diff --git a/example/src/main/res/drawable/invalid_check.xml b/example/src/main/res/drawable/invalid_check.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="32dp"
+    android:height="32dp"
+    android:viewportWidth="32"
+    android:viewportHeight="32">
+  <path
+      android:pathData="M25.334,8.547L23.454,6.667L16,14.12L8.547,6.667L6.667,8.547L14.12,16L6.667,23.453L8.547,25.333L16,17.88L23.454,25.333L25.334,23.453L17.88,16L25.334,8.547Z"
+      android:fillColor="#FBF9F6"/>
+</vector>