הוספת Activities לתפריט

@Override
public boolean onOptionsItemSelected(@NonNull MenuItem item) {
    ActivityManager am = (ActivityManager) this.getSystemService(ACTIVITY_SERVICE);
    List<ActivityManager.RunningTaskInfo> taskInfo = am.getRunningTasks(1);
    String Actvity_Name = taskInfo.get(0).topActivity.getClassName(); // Be cautious with getRunningTasks, it's deprecated for third-party apps.
    int itemId = item.getItemId();
        if (itemId == R.id.idMain) {
            if (!Actvity_Name.equals("com.example.tasks.Activities.MainActivity")) {
                Log.i("MasterActivity", "Changing to MainActivity");
                Intent intent = new Intent(this.getApplicationContext(), MainActivity.class);
                startActivity(intent);
            }
        } else if (itemId == R.id.idTasksDone) {
            if (!Actvity_Name.equals("com.example.tasks.Activities.DoneTasksActivity")) {
                Log.i("MasterActivity", "Changing to DoneTasksActivity");
                Intent intent = new Intent(this.getApplicationContext(), DoneTasksActivity.class);
                startActivity(intent);
            }
        } else if (itemId == R.id.idYears) {
            if (!Actvity_Name.equals("com.example.tasks.Activities.YearsActivity")) {
                Log.i("MasterActivity", "Changing to YearsActivity");
                Intent intent = new Intent(this.getApplicationContext(), YearsActivity.class);
                startActivity(intent);
            }

    // הוסיפו כאן את ה-if הנוספים עבור כל Activity שיצרתם:
    // לדוגמה:
    // } else if (itemId == R.id.idNew) {
    //     if (!Actvity_Name.equals("com.example.tasks.Activities.NewActivity")) {
    //         Log.i("MasterActivity", "Changing to NewActivity");
    //         startActivity(new Intent(this, NewActivity.class));
    //     }
    // במקום המילה New יופיע שם ה-Activity שלכם. 

    } else if (itemId == R.id.idDisconnect) {
        AlertDialog.Builder adb = new AlertDialog.Builder(this);
        adb.setTitle("Disconnect Account");
        adb.setMessage("Are you sure yo want to\n Disconnect account & Exit?"); // Typo: "you"
        adb.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                refAuth.signOut(); // Ensure refAuth is initialized and accessible
                finishAffinity(); // Closes all activities in this task
            }
        });
        adb.setNeutralButton("Cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.cancel();
            }
        });
        adb.setCancelable(false);
        adb.create().show();
    } else if (itemId == R.id.idExit) {
        AlertDialog.Builder adb = new AlertDialog.Builder(this);
        adb.setTitle("Quit Application");
        adb.setMessage("Are you sure?");
        adb.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                finishAffinity(); // Closes all activities in this task
            }
        });
        adb.setNeutralButton("Cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.cancel();
            }
        });
        adb.setCancelable(false);
        adb.create().show();
    }
    return super.onOptionsItemSelected(item);
}

        } else if (itemId == R.id.idNew) {
            if (!Actvity_Name.equals("com.example.tasks.Activities.NewActivity")) {
                Log.i("MasterActivity", "Changing to NewActivity");
                startActivity(new Intent(this, NewActivity.class));
            }
        } else if (itemId == R.id.idNew) {
            if (!Actvity_Name.equals("com.example.tasks.Activities.NewActivity")) {
                Log.i("MasterActivity", "Changing to NewActivity");
                startActivity(new Intent(this, NewActivity.class));
            }
        } else if (itemId == R.id.idNew) {
            if (!Actvity_Name.equals("com.example.tasks.Activities.NewActivity")) {
                Log.i("MasterActivity", "Changing to NewActivity");
                startActivity(new Intent(this, NewActivity.class));
            }
        } else if (itemId == R.id.idNew) {
            if (!Actvity_Name.equals("com.example.tasks.Activities.NewActivity")) {
                Log.i("MasterActivity", "Changing to NewActivity");
                startActivity(new Intent(this, NewActivity.class));
            }
        } else if (itemId == R.id.idDisconnect) {