Let a browser hand a geo link to the app

android/app/build.gradle.kts

@@ -35,7 +35,7 @@ android {
         applicationId = "com.gridpointcode"
         minSdk = 26
         targetSdk = 37
-        versionCode = 1
+        versionCode = 2
         versionName = "0.1.0"
         buildConfigField("String", "PACKS", "\"$packs\"")
 

android/app/src/androidTest/kotlin/com/gridpointcode/ArrivalTest.kt

@@ -1,12 +1,14 @@
 package com.gridpointcode
 
 import android.content.Intent
+import android.content.pm.PackageManager
 import android.net.Uri
 import androidx.compose.ui.test.onNodeWithText
 import androidx.test.core.app.ActivityScenario
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.rule.GrantPermissionRule
 import com.gridpointcode.core.formatted
+import org.junit.Assert.assertEquals
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -126,6 +128,23 @@ class ArrivalTest {
         reader.assertShowing("G3RJM8X3L1")
     }
 
+    /**
+     * The tests above name the activity, so they never touch the manifest. A
+     * browser does not: it offers only apps whose filter says browsable, and
+     * Play counts a link without it as broken.
+     */
+    @Test
+    fun aBrowserCanHandEachLinkToTheApp() {
+        for (link in listOf("https://gridpointcode.com/play?c=G3RJM8X3L1", "geo:43.649061,-79.371679")) {
+            val tapped = Intent(Intent.ACTION_VIEW, Uri.parse(link))
+                .addCategory(Intent.CATEGORY_BROWSABLE)
+                .setPackage(reader.context.packageName)
+            @Suppress("DEPRECATION")
+            val found = reader.context.packageManager.queryIntentActivities(tapped, PackageManager.MATCH_DEFAULT_ONLY)
+            assertEquals(link, listOf(MainActivity::class.java.name), found.map { it.activityInfo.name })
+        }
+    }
+
     @Test
     fun textSelectedInAnotherAppOpensItsPlace() {
         launch(Intent(Intent.ACTION_PROCESS_TEXT).putExtra(Intent.EXTRA_PROCESS_TEXT, "#G3RJM-8X3L1"))

android/app/src/main/AndroidManifest.xml

@@ -57,10 +57,13 @@
                 <data android:scheme="https" android:host="gridpointcode.com" android:pathPrefix="/play" />
             </intent-filter>
 
-            <!-- Any other app's "open location" opens here too. -->
+            <!-- Any other app's "open location" opens here too, and so does a
+                 geo link tapped in a browser, which only offers apps that say
+                 they are browsable. -->
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="geo" />
             </intent-filter>