答案是您必须使用TableRow。LayoutParams，不是LinearLayout。LayoutParams或任何其他LayoutParams。

TextView tv = new TextView(v.getContext());
LayoutParams params = new TableRow.LayoutParams(0, LayoutParams.WRAP_CONTENT, 1f);
tv.setLayoutParams(params);

不同的LayoutParams是不可互换的，如果你使用了错误的LayoutParams，那么似乎什么都不会发生。文本视图的父视图是一个表行，因此:

http://developer.android.com/reference/android/widget/TableRow.LayoutParams.html

在那个布局中设置布局参数

创建参数变量

 android.widget.LinearLayout.LayoutParams params = new android.widget.LinearLayout.LayoutParams(
            LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT, 1f);

1f是权重变量

设置您的小部件或布局

 TextView text = (TextView) findViewById(R.id.text);
 text.setLayoutParams(params);

这对我有用，我希望对你也有用

首先为父视图设置LayoutParams:

myTableLayout.setLayoutParams(new TableLayout.LayoutParams(TableLayout.LayoutParams.FILL_PARENT,
                TableLayout.LayoutParams.FILL_PARENT));

然后为TextView(子)设置:

 TableLayout.LayoutParams textViewParam = new TableLayout.LayoutParams
     (TableLayout.LayoutParams.WRAP_CONTENT,
     TableLayout.LayoutParams.WRAP_CONTENT,1f);
     //-- set components margins
     textViewParam.setMargins(5, 0, 5,0);
     myTextView.setLayoutParams(textViewParam); 

这应该对你有用

LinearLayout.LayoutParams param = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT LayoutParams.MATCH_PARENT);

param.weight=1.0f;

在前面的回答中，权重被传递给一个新的SomeLayoutType的构造函数。LayoutParams对象。 在许多情况下，使用现有对象更方便——这有助于避免处理我们不感兴趣的参数。

一个例子:

// Get our View (TextView or anything) object:
View v = findViewById(R.id.our_view); 

// Get params:
LinearLayout.LayoutParams loparams = (LinearLayout.LayoutParams) v.getLayoutParams();

// Set only target params:
loparams.height = 0;
loparams.weight = 1;
v.setLayoutParams(loparams);

TextView text = new TextView(v.getContext());
text.setLayoutParams(new TableLayout.LayoutParams(LayoutParams.WRAP_CONTENT, 
                                                LayoutParams.WRAP_CONTENT, 1f));

(OR)

TextView tv = new TextView(v.getContext());
LayoutParams params = new TableRow.LayoutParams(0, LayoutParams.WRAP_CONTENT, 1f);
tv.setLayoutParams(params);

1f表示weight=1;根据您的需要，您可以给出2f或3f，视图将根据空间移动。为了在线性布局中使视图之间的指定距离使用weightsum For“LinearLayout”。

LinearLayout ll_Outer= (LinearLayout ) view.findViewById(R.id.linearview);
LinearLayout llInner = new LinearLayout(this);
            LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FillParent, LinearLayout.LayoutParams.WrapContent);
            llInner.Orientation = Orientation.Horizontal;
            llInner.WeightSum = 2;
            ll_Outer.AddView(llInner);