fix: смена иконки через нативный MethodChannel — без плагина и без отключения MainActivity

android/app/src/main/AndroidManifest.xml

@@ -9,9 +9,6 @@
         android:label="Komet"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
-        <service
-            android:name="com.solusibejo.flutter_dynamic_icon_plus.FlutterDynamicIconPlusService"
-            android:stopWithTask="false"/>
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -29,11 +26,19 @@
               android:name="io.flutter.embedding.android.NormalTheme"
               android:resource="@style/NormalTheme"
               />
+        </activity>
+        <activity-alias
+            android:name=".DefaultIcon"
+            android:enabled="true"
+            android:exported="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="Komet"
+            android:targetActivity=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
-        </activity>
+        </activity-alias>
         <activity-alias
             android:name=".MinimalIcon"
             android:enabled="false"

android/app/src/main/kotlin/ru/komet/app/MainActivity.kt

@@ -1,7 +1,9 @@
 package ru.komet.app
 
+import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
+import android.content.pm.PackageManager
 import android.net.ConnectivityManager
 import android.net.Network
 import android.net.NetworkCapabilities
@@ -20,11 +22,32 @@ import java.util.concurrent.atomic.AtomicBoolean
 class MainActivity : FlutterActivity() {
 
     private val channelName = "ru.komet.app/vpn_bypass"
+    private val iconAliases = listOf("DefaultIcon", "MinimalIcon")
 
     private companion object {
         const val LOG_TAG = "VpnBypass"
     }
 
+    private fun applyIcon(name: String) {
+        val pm = packageManager
+        for (alias in iconAliases) {
+            val component = ComponentName(packageName, "$packageName.$alias")
+            val state = if (alias == name) {
+                PackageManager.COMPONENT_ENABLED_STATE_ENABLED
+            } else {
+                PackageManager.COMPONENT_ENABLED_STATE_DISABLED
+            }
+            pm.setComponentEnabledSetting(
+                component,
+                state,
+                PackageManager.DONT_KILL_APP,
+            )
+        }
+        Handler(Looper.getMainLooper()).postDelayed({
+            finishAndRemoveTask()
+        }, 250L)
+    }
+
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         super.configureFlutterEngine(flutterEngine)
         MethodChannel(
@@ -39,6 +62,28 @@ class MainActivity : FlutterActivity() {
             }
         }
 
+        MethodChannel(
+            flutterEngine.dartExecutor.binaryMessenger,
+            "ru.komet.app/app_icon",
+        ).setMethodCallHandler { call, result ->
+            when (call.method) {
+                "setAppIcon" -> {
+                    val name = call.argument<String>("name")
+                    if (name == null || !iconAliases.contains(name)) {
+                        result.error("INVALID_ICON", "Unknown icon: $name", null)
+                        return@setMethodCallHandler
+                    }
+                    try {
+                        applyIcon(name)
+                        result.success(null)
+                    } catch (e: Exception) {
+                        result.error("APPLY_FAILED", e.message, null)
+                    }
+                }
+                else -> result.notImplemented()
+            }
+        }
+
         MethodChannel(
             flutterEngine.dartExecutor.binaryMessenger,
             "ru.komet.app/upload_service",