布局文件如下: < LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:layout_width = "match_parent" android:layout_height = "wrap_content" android:orientation = "horizontal" > < TextView android:layout_width = " wrap_content" android:layout_height = "wrap_content" android:layout_weight = "1" android:background = "@android:color/holo_blue_dark" android:text = " 标签 1" android:textSize = "20sp" /> < TextView android:layout_width = " wrap_content" android:layout_height = "wrap_content" android:layout_weight = "2" android:background = "@android:color/holo_red_dark" android:text = " 标签 2" android:textSize = "20sp" /> LinearLayout > 标签1与标签2的宽度比值为( )。