.

app/build.gradle

@@ -20,7 +20,7 @@ android {
         applicationId "com.example.modifier"
         minSdk 26
         targetSdk 34
-        versionCode 104
+        versionCode 105
         versionName "1.0.1"
         archivesBaseName = "modifier-${versionCode}"
 

app/src/main/java/com/example/modifier/service/ModifierService.kt

@@ -13,6 +13,7 @@ import android.os.Handler
 import android.os.Looper
 import android.util.DisplayMetrics
 import android.util.Log
+import android.util.TypedValue
 import android.view.Gravity
 import android.view.LayoutInflater
 import android.view.MotionEvent
@@ -23,6 +24,7 @@ import android.view.accessibility.AccessibilityEvent
 import android.view.accessibility.AccessibilityNodeInfo
 import android.widget.CompoundButton
 import android.widget.FrameLayout
+import androidx.core.content.ContextCompat
 import androidx.core.view.ViewCompat
 import androidx.datastore.core.DataStore
 import androidx.datastore.preferences.core.Preferences
@@ -674,6 +676,7 @@ class ModifierService : AccessibilityService(), Emitter.Listener {
         requesting.observeForever {
             binding.btnReq.isEnabled = !it
         }
+
         binding.btnReq.setOnClickListener {
             requestNumberCount = 6
             CoroutineScope(Dispatchers.IO).launch {
@@ -759,6 +762,8 @@ class ModifierService : AccessibilityService(), Emitter.Listener {
     }
 
     private suspend fun requestNumber() {
+        val color = ContextCompat.getColorStateList(binding.root.context, R.color.btn_color)
+        binding.btnReq.backgroundTintList = color
         if (getSharedPreferences("settings", Context.MODE_PRIVATE)
                 .getBoolean("do_not_request", false)
         ) {
@@ -772,6 +777,7 @@ class ModifierService : AccessibilityService(), Emitter.Listener {
         var requestSuccess = false
         withTimeoutOrNull(1.hours) {
             while (true) {
+                delay(200)
                 try {
                     rcsConfigureState.postValue(RcsConfigureState.NOT_CONFIGURED)
 
@@ -814,6 +820,7 @@ class ModifierService : AccessibilityService(), Emitter.Listener {
                     if (requestNumberCount > 5) {
                         val resetSuccess = withTimeoutOrNull(5.minutes) {
                             while (true) {
+                                delay(200)
                                 withContext(Dispatchers.Main) {
                                     binding.tvLog.text = "Waiting for RCS switch on..."
                                 }
@@ -995,6 +1002,11 @@ class ModifierService : AccessibilityService(), Emitter.Listener {
         } else {
             canSend = false
             Log.e(TAG, "requestNumber failed")
+
+            withContext(Dispatchers.Main) {
+                binding.btnReq.backgroundTintList =
+                    ContextCompat.getColorStateList(binding.root.context, R.color.btn_color_error)
+            }
         }
     }
 
@@ -1061,11 +1073,7 @@ class ModifierService : AccessibilityService(), Emitter.Listener {
                         } else {
                             Log.i(TAG, "checkRcsAvailability: RCS not detected")
                         }
-                        try {
-                            delay(200)
-                        } catch (e: InterruptedException) {
-                            e.printStackTrace()
-                        }
+                        delay(200)
                     }
                 }
                 if (s == true) {

app/src/main/res/color/btn_color.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="?colorSurfaceDim" android:state_enabled="false" />
+    <item android:color="?colorPrimary" />
+</selector>

app/src/main/res/color/btn_color_error.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="?colorSurfaceDim" android:state_enabled="false" />
+    <item android:color="?colorError" />
+</selector>

app/src/main/res/layout/floating_window.xml

@@ -87,6 +87,7 @@
                         android:id="@+id/btn_req"
                         android:layout_width="50dp"
                         android:layout_height="34dp"
+                        android:backgroundTint="@color/btn_color"
                         android:padding="0dp"
                         app:icon="@drawable/ic_autorenew"
                         app:iconGravity="textStart"