在java中code设置RelativeLayout的 [英] Setting up RelativeLayout in java code

问题描述

我有一个很难得到两个文本的观点出现在彼此的顶部在我的Java code。这里的code我尝试用：

I'm having a hard time getting two text views to appear on top of each other in my java code. Here's the code I'm experimenting with:

/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);

        layout = new RelativeLayout(this);
        text1 = new TextView(this);
        text1.setText("1");
        text2 = new TextView(this);
        text2.setText("2");

        RelativeLayout.LayoutParams p = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
                ViewGroup.LayoutParams.WRAP_CONTENT);
        RelativeLayout.LayoutParams q = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
                ViewGroup.LayoutParams.WRAP_CONTENT);

        q.addRule(RelativeLayout.BELOW, layout.getId());
        text1.setLayoutParams(q);
        layout.addView(text1);


        p.addRule(RelativeLayout.BELOW,text1.getId());
        text2.setLayoutParams(p);
        layout.addView(text2);

        setContentView(layout);
    }

这堆在同一行的两个文本的意见，但我想的TextView文本2，出现以下TextView的文本1，所以在我的应用程序我想下面的显示为输出：

This stacks the two text views on the same line, but I want TextView text2, to appear below TextView text1, so in my app I want the following to appear as the output:

1
2

我已经尝试了所有种类的事情了addRule的方法，我不知道为什么，这是行不通的。我想知道如何，因为我计划建立的方法库，可以建立一个布局，很容易调整通过编辑阵列做没有XML。

I've tried all sort of things with the "addRule" method, I'm not sure why this isn't working. I want to know how to do this without XML because I plan to build a library of methods that can build up a layout that is easily adjustable through editing an array.

推荐答案

您 TextViews 没有一个ID（默认情况下，id为 -1 ）......它们的初始化之后把这样的：

Your TextViews don't have an id (by default the id is -1)... put this after their initialization:

text1.setId(1111); // 1111 is just an example,
text2.setId(2222); // just make sure the id are unique

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