How to programmatically interact with USSD dialog box in Android

I want to use the USSD dialog box, which will appear after dialing any USSD code of * 123#. The dialog box requires the user to enter the option number to perform a specific task, depending on the SIM card supplier. I need to interact with the dialog box to provide input in the dialog box programmatically

However, I can use accessibilityservice to read the USSD response in the alarm dialog box after dialing any USSD code, and display the response in toast, as shown in the following code. I have not found any solution to interact with the USSD dialog box

public class UssdService extends AccessibilityService{
    public static String TAG = "USSD";

    @Override
    public void onAccessibilityEvent(AccessibilityEvent event) {
        Log.d(TAG, "onAccessibilityEvent");
        String text = event.getText().toString();
        if (event.getClassName().equals("android.app.AlertDialog")) {
            Log.d(TAG, text);
            Toast.makeText(this, text, Toast.LENGTH_LONG).show();
        }
    }

    @Override
    public void onInterrupt() {
    }

    @Override
    protected void onServiceConnected() {
        super.onServiceConnected();
        Log.d(TAG, "onServiceConnected");
        AccessibilityServiceInfo info = new AccessibilityServiceInfo();
        info.flags = AccessibilityServiceInfo.DEFAULT;
        info.packageNames = new String[]{"com.android.phone"};
        info.eventTypes = AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED;
        info.FeedbackType = AccessibilityServiceInfo.FeedBACK_GENERIC;
        setServiceInfo(info);
    }
}

This is the service declaration in the list:

<service android:name=".UssdService"
    android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
    <intent-filter>
        <action android:name="android.accessibilityservice.AccessibilityService" />
    </intent-filter>
    <Meta-data android:name="android.accessibilityservice"
        android:resource="@xml/config_service" />
</service>

resolvent:

To interact with the USSD dialog box, I use the following code

I use the following code for the click event:

List<AccessibilityNodeInfo> list = nodeInfo.findAccessibilityNodeInfosByText("Send");
for (AccessibilityNodeInfo node : list) {
     node.performAction(AccessibilityNodeInfo.ACTION_CLICK);
}

I use the following code for settext in EditText. This is the settext where the current focus is

AccessibilityNodeInfo nodeInput = nodeInfo.findFocus(AccessibilityNodeInfo.FOCUS_INPUT);
Bundle bundle = new Bundle();        
bundle.putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE,pMPIN);
nodeInput.performAction(AccessibilityNodeInfo.ACTION_SET_TEXT,bundle);
nodeInput.refresh();