Persische sprache ändert die Position der Buttons

public class MainActivity extends AppCompatActivity{




    EditText etName, etAge, etUsername;
    UserLocalStore userLocalStore;


    @Override
    protected void onCreate( Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);








        BottomNavigationView bottomNavigationView = (BottomNavigationView) findViewById(R.id.top_NavView_bar);
        BottomNavigationViewHelper.disableShiftMode(bottomNavigationView);
        Menu menu = bottomNavigationView.getMenu();
        MenuItem menuItem = menu.getItem(0);
        menuItem.setChecked(true);
        bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener(){
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem item) {
                switch (item.getItemId()){


                    case R.id.action_profile:
                        break;
                    case R.id.action_flight:
                        startActivity(new Intent(MainActivity.this, FlightActivity.class));
                        break;
                    case R.id.action_hotel:
                        startActivity(new Intent(MainActivity.this, HotelActivity.class));
                        break;
                }
                return false;


            }
        });


        userLocalStore = new UserLocalStore(this);
    }
    @Override
    protected void onStart(){
        super.onStart();
        if(authenticate()==true){
            displayUserDetails();


        }else{
            //  startActivity(new Intent(MainActivity.this, Login.class));
        }


    }


    private boolean authenticate(){
        return userLocalStore.getUserLoggedIn();
    }
    private void displayUserDetails(){
        User user = userLocalStore.getLoggedInUser();
        etUsername.setText(user.username);
        etName.setText(user.name);
        etAge.setText(user.age);
    }




}

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">




    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/relLayout"
        android:background="@color/colorBackgroud">


        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:id="@+id/relLayoutTopBar"
            android:layout_alignParentTop="true">


            <android.support.design.widget.BottomNavigationView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:id="@+id/top_NavView_bar"
                android:background="@drawable/white_grey_border_top"
                app:menu="@menu/top_navigation_menu">


            </android.support.design.widget.BottomNavigationView>
        </RelativeLayout>




        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/relLayoutMiddle"
            android:layout_below="@+id/relLayoutTopBar"
            android:layout_centerHorizontal="true">
        </RelativeLayout>








    </RelativeLayout>






</android.support.design.widget.CoordinatorLayout>

<resources>
    <string name="app_name">SaSiTravel</string>
    <string name="title_activity_main">MainActivity</string>
    <string name="profile">Profile</string>
    <string name="flight">Flight</string>
    <string name="hotel">Hotels</string>
    <string name="title_activity_hotel">HotelActivity</string>
    <string name="oneWay">One-way</string>
    <string name="returnTrip">Return trip</string>
    <string name="multiCity">Multi-city</string>
    <string name="departure">Departure</string>


</resources>

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    >


    <item
        android:id="@+id/action_profile"
        android:enabled="true"
        android:icon="@drawable/ic_profile"
        android:title="@string/profile"
        app:showAsAction="ifRoom"/>
    <item
        android:id="@+id/action_flight"
        android:enabled="true"
        android:icon="@drawable/ic_flight"
        android:title="@string/flight"
        app:showAsAction="ifRoom"/>
    <item
        android:id="@+id/action_hotel"
        android:enabled="true"
        android:icon="@drawable/ic_hotel"
        android:title="@string/hotel"
        app:showAsAction="ifRoom"/>


</menu>