efunbox-xyyf-mobile-android/app/src/main/res/layout/window_setting.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_margin="20dp"
        android:orientation="horizontal">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <TextView
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:gravity="center"
                android:text="选择播放器："
                android:textColor="@android:color/black" />

            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="2"
                android:orientation="horizontal">

                <RadioGroup
                    android:id="@+id/setting_rg"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_gravity="center"
                    android:orientation="horizontal">

                    <RadioButton
                        android:id="@+id/setting_rg_video"
                        android:layout_width="wrap_content"
                        android:layout_height="match_parent"
                        android:focusable="true"
                        android:text="默认播放器"
                        android:textColor="@android:color/black" />

                    <RadioButton
                        android:id="@+id/setting_rg_ijk"
                        android:layout_width="wrap_content"
                        android:layout_height="match_parent"
                        android:layout_marginLeft="20dp"
                        android:focusable="true"
                        android:text="IJKPlayer播放器"
                        android:textColor="@android:color/black" />
                </RadioGroup>
            </LinearLayout>
        </LinearLayout>

    </LinearLayout>
</FrameLayout>