java - 如何以编程方式在 Android 的 RelativeLayout 中的按钮旁边显示 TextView ？

Question

我创建了一个 RelativeLayout，其中包含一个 Button 和一个 TextView。使用此代码，TextView 显示在 Button 上方。我该怎么做才能让 Button 左对齐，TextView 右对齐？缺什么？这是我的代码:

    final RelativeLayout topRelativeLayout = new RelativeLayout(this);
    RelativeLayout.LayoutParams relativeLayoutParams = new RelativeLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
    topRelativeLayout.setLayoutParams(relativeLayoutParams);
    mainLinearLayout.addView(topRelativeLayout);

    final Button restartButton = new Button(this);
    restartButton.setText(R.string.restartButton);
    LinearLayout.LayoutParams buttonParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
    restartButton.setLayoutParams(buttonParams);
    restartButton.setGravity(Gravity.LEFT);
    topRelativeLayout.addView(restartButton);

    final TextView timeTextView = new TextView(this);
    timeTextView.setText(R.string.timeTextView);
    timeTextView.setGravity(Gravity.RIGHT);
    topRelativeLayout.addView(timeTextView);

谢谢!

Answer 1

试试这个

RelativeLayout.LayoutParams buttonParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,RelativeLayout.LayoutParams.WRAP_CONTENT);
buttonParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
button.setLayoutParams(buttonParams);

RelativeLayout.LayoutParams textviewParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,RelativeLayout.LayoutParams.WRAP_CONTENT);
textviewParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE);
textView.setLayoutParams(textviewParams);