如何在代码中设置孩子的体重？

发布于 2024-12-23 15:59:28 字数 307 浏览 2 评论 0原文

我希望该按钮（子级）将具有水平 LinearLayout（其父级）全宽度的 25%。代码：

LinearLayout ll = new LinearLayout(this);
ll.setLayoutParams(new ViewGroup.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));
ll.setWeightSum (1.0f);

Button b = new Button (this);
ll.addView(b);

我该怎么做？谢谢。

原文

I want that button(child) will have 25% of full width of horizontal LinearLayout (its parent). The code:

LinearLayout ll = new LinearLayout(this);
ll.setLayoutParams(new ViewGroup.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));
ll.setWeightSum (1.0f);

Button b = new Button (this);
ll.addView(b);

How can I do it? Thanks.

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随波逐流 2024-12-30 15:59:28

试试这个：

    LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENTS,LayoutParams.FILL_PARENT));
    lp.weight = 0.25;
    b.setLayoutParams(lp);

Try this:

    LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENTS,LayoutParams.FILL_PARENT));
    lp.weight = 0.25;
    b.setLayoutParams(lp);

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徒留西风 2024-12-30 15:59:28

您可以将其作为 LinearLayout.LayoutParams 构造函数的一部分传递：

LayoutParams param = new LinearLayout.LayoutParams(
                             LayoutParams.MATCH_PARENT,
                             LayoutParams.MATCH_PARENT, 1.0f);

You can pass it in as part of the LinearLayout.LayoutParams constructor:

LayoutParams param = new LinearLayout.LayoutParams(
                             LayoutParams.MATCH_PARENT,
                             LayoutParams.MATCH_PARENT, 1.0f);

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