fix broadcast receiver not registered when application started with no ui, e.g. from settings tile or external control

Signed-off-by: hamjin <jinham@qq.com>

Author: yqx1110

app/src/main/java/com/github/kr328/clash/remote/Broadcasts.kt

@@ -100,6 +100,7 @@ class Broadcasts(private val context: Application) {
             })
 
             clashRunning = StatusClient(context).currentProfile() != null
+            registered = true
         } catch (e: Exception) {
             Log.w("Register global receiver: $e", e)
         }
@@ -113,6 +114,7 @@ class Broadcasts(private val context: Application) {
             context.unregisterReceiver(broadcastReceiver)
 
             clashRunning = false
+            registered = false
         } catch (e: Exception) {
             Log.w("Unregister global receiver: $e", e)
         }

app/src/main/java/com/github/kr328/clash/remote/Remote.kt

@@ -30,16 +30,16 @@ object Remote {
     fun launch() {
         ApplicationObserver.attach(Global.application)
 
+        broadcasts.register()
+
         ApplicationObserver.onVisibleChanged {
             if(it) {
                 Log.d("App becomes visible")
                 service.bind()
-                broadcasts.register()
             }
             else {
                 Log.d("App becomes invisible")
                 service.unbind()
-                broadcasts.unregister()
             }
         }