ui: detect tv framework stubs when getting content

Signed-off-by: Jason A. Donenfeld <[email protected]>

Author: zx2c4

ui/src/main/java/com/wireguard/android/activity/TvMainActivity.kt

@@ -6,6 +6,9 @@
 package com.wireguard.android.activity
 
 import android.Manifest
+import android.content.ActivityNotFoundException
+import android.content.Context
+import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Build
@@ -50,7 +53,27 @@ import kotlinx.coroutines.withContext
 import java.io.File
 
 class TvMainActivity : AppCompatActivity() {
-    private val tunnelFileImportResultLauncher = registerForActivityResult(ActivityResultContracts.GetContent()) { data ->
+    private val tunnelFileImportResultLauncher = registerForActivityResult(object : ActivityResultContracts.GetContent() {
+        override fun createIntent(context: Context, input: String): Intent {
+            val intent = super.createIntent(context, input)
+
+            /* AndroidTV now comes with stubs that do nothing but display a Toast less helpful than
+             * what we can do, so detect this and throw an exception that we can catch later. */
+            val activitiesToResolveIntent = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                context.packageManager.queryIntentActivities(intent, PackageManager.ResolveInfoFlags.of(PackageManager.MATCH_DEFAULT_ONLY.toLong()))
+            } else {
+                @Suppress("DEPRECATION")
+                context.packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY)
+            }
+            if (activitiesToResolveIntent.all {
+                    val name = it.activityInfo.packageName
+                    name.startsWith("com.google.android.tv.frameworkpackagestubs") || name.startsWith("com.android.tv.frameworkpackagestubs")
+                }) {
+                throw ActivityNotFoundException()
+            }
+            return intent
+        }
+    }) { data ->
         if (data == null) return@registerForActivityResult
         lifecycleScope.launch {
             TunnelImporter.importTunnel(contentResolver, data) {