feat(android): add getInstalledWallets and packageName targeting to local association

js/packages/mobile-wallet-adapter-protocol/android/src/main/java/com/solanamobile/mobilewalletadapter/reactnative/SolanaMobileWalletAdapterModule.kt

@@ -3,6 +3,7 @@ package com.solanamobile.mobilewalletadapter.reactnative
 import android.app.Activity
 import android.content.ActivityNotFoundException
 import android.content.Intent
+import android.content.pm.PackageManager
 import android.net.Uri
 import android.util.Log
 import com.facebook.react.bridge.*
@@ -97,6 +98,7 @@ class SolanaMobileWalletAdapterModule(reactContext: ReactApplicationContext) :
             }
             try {
                 val uriPrefix = config?.getString("baseUri")?.let { Uri.parse(it) }
+                val packageName = config?.getString("packageName")
                 val localAssociation =
                     LocalAssociationScenario(
                         CLIENT_TIMEOUT_MS,
@@ -107,6 +109,7 @@ class SolanaMobileWalletAdapterModule(reactContext: ReactApplicationContext) :
                         localAssociation.port,
                         localAssociation.session
                     )
+                packageName?.let { intent.setPackage(it) }
                 withContext(Dispatchers.Main) {
                     sessionTaskId = headlessJsTaskContext.startTask(sessionBackgroundTaskConfig)
                 }
@@ -223,6 +226,25 @@ class SolanaMobileWalletAdapterModule(reactContext: ReactApplicationContext) :
         } ?: throw NullPointerException("Tried to end a session without an active session")
     }
 
+    @ReactMethod
+    override fun getInstalledWallets(promise: Promise) {
+        try {
+            val queryIntent = Intent(Intent.ACTION_VIEW, Uri.parse("solana-wallet://"))
+            val pm = reactApplicationContext.packageManager
+            val resolveInfos = pm.queryIntentActivities(queryIntent, PackageManager.MATCH_ALL)
+            val result: WritableArray = WritableNativeArray()
+            for (info in resolveInfos) {
+                val map: WritableMap = WritableNativeMap()
+                map.putString("packageName", info.activityInfo.packageName)
+                map.putString("appName", info.loadLabel(pm).toString())
+                result.pushMap(map)
+            }
+            promise.resolve(result)
+        } catch (e: Throwable) {
+            promise.reject("ERROR_QUERY_WALLETS", e)
+        }
+    }
+
     private fun cleanup() {
         sessionState = null
         associationResultCallback = null

js/packages/mobile-wallet-adapter-protocol/android/src/oldarch/SolanaMobileWalletAdapter.kt

@@ -13,4 +13,6 @@ internal constructor(context: ReactApplicationContext) : ReactContextBaseJavaMod
     abstract fun invoke(method: String, params: ReadableMap?, promise: Promise)
 
     abstract fun endSession(promise: Promise)
+
+    abstract fun getInstalledWallets(promise: Promise)
 }

js/packages/mobile-wallet-adapter-protocol/src/codegenSpec/NativeSolanaMobileWalletAdapter.ts

@@ -1,13 +1,15 @@
 import { TurboModule, TurboModuleRegistry } from 'react-native';
 
 export interface Spec extends TurboModule {
-    startSession(config?: { baseUri?: string }): Promise<{
+    startSession(config?: { baseUri?: string; packageName?: string }): Promise<{
         protocol_version: 'legacy' | 'v1';
     }>;
 
     invoke(method: string, params: Object | undefined): Promise<Object>;
 
     endSession(): Promise<boolean>;
+
+    getInstalledWallets(): Promise<Array<{ packageName: string; appName: string }>>;
 }
 
 export default TurboModuleRegistry.getEnforcing<Spec>('SolanaMobileWalletAdapter') as Spec;