Fragment加RadioGroup布局

        <FrameLayout
            android:id="@+id/fl_main"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="9" />


        <RadioGroup
            android:id="@+id/group"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:gravity="center"
            android:orientation="horizontal">


            <RadioButton
                android:id="@+id/but1"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:button="@null"
                android:gravity="center"
                android:text="首页" />

            <RadioButton
                android:id="@+id/but2"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:button="@null"
                android:gravity="center"
                android:text="想法" />

            <RadioButton
                android:id="@+id/but3"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:button="@null"
                android:gravity="center"
                android:text="市场" />

            <RadioButton
                android:id="@+id/but4"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:button="@null"
                android:gravity="center"
                android:text="通知" />

            <RadioButton
                android:id="@+id/but5"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:button="@null"
                android:gravity="center"
                android:text="更多" />

        </RadioGroup>