Question

不在xml中配置android:layout_weight，而是写在java代码中。如何实现权重的分配?

Answer 1

editText.setLayoutParams(new LinearLayout.LayoutParams(width, height, weight));
只有LinearLayout才有layout_weight属性。

Answer 2

view.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT, 1.0f));
1.0f就是权重