Add profile filtering

https://github.com/2dust/v2rayNG/issues/3471

V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt

@@ -18,6 +18,7 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.activity.viewModels
 import androidx.appcompat.app.ActionBarDrawerToggle
 import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.widget.SearchView
 import androidx.core.content.ContextCompat
 import androidx.core.view.GravityCompat
 import androidx.core.view.isVisible
@@ -232,7 +233,25 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu_main, menu)
-        return true
+
+        val searchItem = menu.findItem(R.id.search_view)
+        if (searchItem != null) {
+            val searchView = searchItem.actionView as SearchView
+            searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
+                override fun onQueryTextSubmit(query: String?): Boolean {
+                    mainViewModel.filterConfig(query.orEmpty())
+                    return false
+                }
+
+                override fun onQueryTextChange(newText: String?): Boolean = false
+            })
+
+            searchView.setOnCloseListener {
+                mainViewModel.filterConfig("")
+                false
+            }
+        }
+        return super.onCreateOptionsMenu(menu)
     }
 
     override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {

V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt

@@ -61,7 +61,7 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
 
     var serverList = MmkvManager.decodeServerList()
     var subscriptionId: String = settingsStorage.decodeString(AppConfig.CACHE_SUBSCRIPTION_ID, "")?:""
-    //var keywordFilter: String = settingsStorage.decodeString(AppConfig.CACHE_KEYWORD_FILTER, "")?:""
+    var keywordFilter: String = settingsStorage.decodeString(AppConfig.CACHE_KEYWORD_FILTER, "")?:""
         private set
     val serversCache = mutableListOf<ServersCache>()
     val isRunning by lazy { MutableLiveData<Boolean>() }
@@ -166,8 +166,9 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
                 continue
             }
 
-//            if (keywordFilter.isEmpty() || config.remarks.contains(keywordFilter)) {
-            serversCache.add(ServersCache(guid, profile))
+            if (keywordFilter.isEmpty() || profile.remarks.contains(keywordFilter)) {
+                serversCache.add(ServersCache(guid, profile))
+            }
         }
     }
 
@@ -382,6 +383,12 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
         }
     }
 
+    fun filterConfig(keyword: String) {
+        keywordFilter = keyword
+        settingsStorage.encode(AppConfig.CACHE_KEYWORD_FILTER, keywordFilter)
+        reloadServerList()
+    }
+
     private val mMsgReceiver = object : BroadcastReceiver() {
         override fun onReceive(ctx: Context?, intent: Intent?) {
             when (intent?.getIntExtra("key", 0)) {

V2rayNG/app/src/main/res/menu/menu_main.xml

@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/search_view"
+        android:icon="@drawable/ic_description_24dp"
+        android:title="@string/menu_item_search"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
+        app:showAsAction="always"  />
     <item
         android:icon="@drawable/ic_add_24dp"
         android:title="@string/menu_item_add_config"