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我已經在Android中使用Java代碼創建單選按鈕組，但我不知道如何將它設置爲WRAP_CONTENT中相對佈局無線電集團WRAP_CONTENT .....如何設置由Java編碼
RadioGroup radioGroup = new RadioGroup(Rate_me_up.this);
radioGroup.setOrientation(0);
RelativeLayout.LayoutParams p = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
p.addRule(RelativeLayout.ALIGN_PARENT_TOP);
layout.addView(radioGroup);
RadioButton radioButtonView = new RadioButton(Rate_me_up.this);
radioButtonView.setText("radio1");
radioButtonView.setId(id++);
radioButtonView.setButtonDrawable(R.drawable.e404);
radioButtonView.setChecked(false);
radioGroup.addView(radioButtonView, p);
RadioButton radioButtonView2 = new RadioButton(Rate_me_up.this);
radioButtonView2.setText("radio2");
radioButtonView2.setId(id++);
radioButtonView2.setChecked(false);
radioGroup.addView(radioButtonView2, p);
RadioButton radioButtonView3 = new RadioButton(Rate_me_up.this);
radioButtonView3.setText("radio3");
radioButtonView3.setId(id++);
radioGroup.addView(radioButtonView3, p);
radioButtonView3.setChecked(false);
TextView txt = new TextView(Rate_me_up.this);