Android线性布局权重以编程方式 [英] Android Linear Layout Weight Programmatically

问题描述

我想以编程方式向活动添加三个线性布局，每个线性布局均具有相同的宽度.问题是我无法以编程方式设置这些布局的权重.我可以在xml中执行此操作，但是我想在程序中执行此操作. 这是我想要的:

I want to add three linear layouts to an activity programatically each of same width. the problem is i am not able to set the weights of these layouts programmatically. I could do this within xml, but I want to do this in program. here is what I want:

推荐答案

以下是解决方案

    LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0, 100);
    lp.weight = 1;

查看完整解决方案

LinearLayout ll1, ll2, ll3;
    /* Find these LinearLayout by ID 
     i.e ll1=(LinearLayout)findViewById(R.id.ll1);
     */

    LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0, 100);
    lp.weight = 1;
    ll1.setLayoutParams(lp);
    ll2.setLayoutParams(lp);
    ll3.setLayoutParams(lp);

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