I have a problem with my layout. I have a Dialog in which I would like to put RadioButtons, but as you can see on the screenshot they are really close to each other. How to widen the space between them? I've already tried Margin Left/Right, Padding Left/Right, etc, but none of this works.

### Screenshot

![screenshot](https://i.stack.imgur.com/Co6U6.png)

### My .xml file:

```
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:background="@drawable/backrepeat_reversed" >
    <TextView android:id="@+id/ml_label"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/size"
        android:gravity="center"/>
    <LinearLayout 
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <RadioGroup  android:id="@+id/radio_group"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:gravity="center">
        <RadioButton android:id="@+id/rws"
            android:layout_width="wrap_content"
            android:drawableBottom="?android:attr/listChoiceIndicatorSingle"
            android:button="@null"
            android:text="@string/sw"
            android:gravity="center_horizontal|bottom"
            android:layout_height="match_parent"
            android:textColor="#000000"
            android:textSize="50sp"/>
        <RadioButton android:id="@+id/rwm"
            android:layout_width="wrap_content"
            android:drawableBottom="?android:attr/listChoiceIndicatorSingle"
            android:button="@null"
            android:text="@string/mw"
            android:gravity="center_horizontal|bottom"
            android:layout_height="match_parent"
            android:textColor="#000000"
            android:textSize="50sp"/>
        <RadioButton android:id="@+id/rwb"
            android:layout_width="wrap_content"
            android:drawableBottom="?android:attr/listChoiceIndicatorSingle"
            android:button="@null"
            android:text="@string/bw"
            android:gravity="center_horizontal|bottom"
            android:layout_height="match_parent"
            android:textColor="#000000"
            android:textSize="50sp"/>
    </RadioGroup>
    </LinearLayout>
    <TextView android:id="@+id/percent_label"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/percentage"
        android:gravity="center"/>
    <NumberPicker 
        android:id="@+id/percent_picker"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        />

</LinearLayout>

```