fix init app not found id,change ffi from MainActivity to MainService,add boot service but not open

android/app/src/main/java/com/carriez/flutter_hbb/BootReceiver.kt

@@ -0,0 +1,24 @@
+package com.carriez.flutter_hbb
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.widget.Toast
+
+// 开机自启动 此功能暂不开启
+class BootReceiver : BroadcastReceiver() {
+    override fun onReceive(context: Context, intent: Intent) {
+        if ("android.intent.action.BOOT_COMPLETED" == intent.action){
+            val it = Intent(context,MainService::class.java).apply {
+                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            }
+            Toast.makeText(context, "RustDesk is Open", Toast.LENGTH_LONG).show();
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                context.startForegroundService(it)
+            }else{
+                context.startService(it)
+            }
+        }
+    }
+}