PHP直播源码，水平平分两个按钮

 <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_margin="10dp"
        android:layout_weight="2"
        android:orientation="horizontal"
        android:baselineAligned="false">
        <RelativeLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:layout_margin="10dp"
            android:orientation="horizontal">
            <Button
                android:id="@+id/camera_btn"
                android:layout_width="80dp"
                android:layout_height="80dp"
                android:layout_centerInParent="true"
                android:background="@drawable/xiangji"
                />
        </RelativeLayout>
        <RelativeLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:layout_margin="10dp"
            android:orientation="horizontal"
            >
            <Button
                android:id="@+id/album_btn"
                android:layout_width="80dp"
                android:layout_height="80dp"
                android:layout_marginStart="10dp"
                android:layout_centerInParent="true"
                android:background="@drawable/xiangce" />
        </RelativeLayout>
    </LinearLayout>