如何以编程方式将Android TextView与另一个TextView的右侧对齐

Question

在下面的代码中，我创建了两个文本视图，并以编程方式将它们添加到相对布局中。我想把它们并排排列。

代码运行良好，但没有将新的TextView放置在前一个TextView的右侧，而是将新TextView放置在空白处（0,0,0,0），即屏幕的右上角：

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    relativeLayout= (RelativeLayout) findViewById(R.id.relative_Layout);
    textView[0] = new TextView(this);//creates first textview
    textView[0].setId(0);
    textView[0].setText("1");
    textView[0].setBackgroundResource(R.drawable.shape);//parses an image from shape.xml
    relativeLayoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
    textView[0].setLayoutParams(relativeLayoutParams);
    relativeLayout.addView(textView[0]);//creates another textview
    textView[1] = new TextView(this);
    textView[1].setBackgroundResource(R.drawable.shape);
    RelativeLayout.LayoutParams relativeLayoutParams=
            new RelativeLayout.LayoutParams((RelativeLayout.LayoutParams.WRAP_CONTENT),(RelativeLayout.LayoutParams.WRAP_CONTENT));//create params for new textview
    relativeLayoutParams.addRule(RelativeLayout.RIGHT_OF, textView[0].getId());//to align the textview side by side
    textView[1].setText("2");
    relativeLayout.addView(textView[1], relativeLayoutParams);

Answer 1

尝试以下操作：

1. 将textView[0]的id设置为1而不是0（id必须是正整数）
2. 在textView[1]的RelativeLayout.ALIGN_TOP的relativeLayoutParams中添加一条规则

以下对我有效：

RelativeLayout relativeLayout = (RelativeLayout) findViewById(R.id.test);
RelativeLayout.LayoutParams relativeLayoutParams;       
TextView[] textView = new TextView[2];
// 1st TextView
textView[0] = new TextView(this);
relativeLayoutParams = new RelativeLayout.LayoutParams(
        RelativeLayout.LayoutParams.WRAP_CONTENT,
        RelativeLayout.LayoutParams.WRAP_CONTENT);
textView[0].setId(1); // changed id from 0 to 1
textView[0].setText("1");   
relativeLayoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
relativeLayout.addView(textView[0], relativeLayoutParams);
// 2nd TextView
textView[1] = new TextView(this);
relativeLayoutParams = new RelativeLayout.LayoutParams(
        RelativeLayout.LayoutParams.WRAP_CONTENT,
        RelativeLayout.LayoutParams.WRAP_CONTENT);      
textView[1].setText("2");
relativeLayoutParams.addRule(RelativeLayout.RIGHT_OF,
        textView[0].getId());
relativeLayoutParams.addRule(RelativeLayout.ALIGN_TOP,
        textView[0].getId()); // added top alignment rule
relativeLayout.addView(textView[1], relativeLayoutParams);

Answer 2

只是猜测：你能尝试使用不同于0的id吗？