完整内容，请查看：http://www.zhdoc.net/android/reference/android/widget/LinearLayout.LayoutParams.html

LinearLayout.LayoutParams

public static class LinearLayout.LayoutParams
extends ViewGroup.MarginLayoutParams

java.lang.Object
↳	android.view.ViewGroup.LayoutParams
	↳	android.view.ViewGroup.MarginLayoutParams
		↳	android.widget.LinearLayout.LayoutParams

已知的直接子类 ActionMenuView.LayoutParams, AppBarLayout.LayoutParams, RadioGroup.LayoutParams, TableLayout.LayoutParams, TableRow.LayoutParams

Per-child layout information associated with ViewLinearLayout.
与ViewLinearLayout相关的每个子布局的信息。

XML属性
`android:layout_gravity`	重力值指定了一个组件如何被放置在它的单元格组中。
`android:layout_weight`	线性布局（LinearLayout）中的额外空间，有多少分配给与这些LayoutParams关联的视图。

继承XML属性
From class `android.view.ViewGroup.MarginLayoutParams`
From class `android.view.ViewGroup.LayoutParams`

继承常量
From class `android.view.ViewGroup.LayoutParams`

字段
`public int`	`gravity` Gravity for the view associated with these LayoutParams. 与这些LayoutParams相关的视图的重力值。
`public float`	`weight` Indicates how much of the extra space in the LinearLayout will be allocated to the view associated with these LayoutParams. 线性布局（LinearLayout）中的额外空间，有多少将被分配给与这些LayoutParams关联的视图。