one step closer

app/android/app/src/main/AndroidManifest.xml

@@ -39,7 +39,8 @@
         android:label="Lensai"
         android:name="${applicationName}"
         android:icon="@mipmap/launcher_icon"
-        android:usesCleartextTraffic="true">
+        android:usesCleartextTraffic="true"
+        android:enableOnBackInvokedCallback="true">
         <activity android:name="eu.lensai.flutter_mozilla_components.NotificationActivity" android:theme="@style/Theme.AppCompat.Translucent" />
         
         <activity

app/android/app/src/main/kotlin/me/movenext/bang_navigator/MainActivity.kt

@@ -1,5 +1,20 @@
 package me.movenext.bang_navigator
 
 import io.flutter.embedding.android.FlutterFragmentActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
 
-class MainActivity: FlutterFragmentActivity()
+class MainActivity: FlutterFragmentActivity() {
+    private val CHANNEL = "me.movenext.flutter_mozilla_components/trim_memory"
+    private lateinit var channel: MethodChannel
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+        channel = MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL)
+    }
+
+    override fun onTrimMemory(level: Int) {
+        super.onTrimMemory(level)
+        channel.invokeMethod("onTrimMemory", level)
+    }
+}