How to use

setLayoutParams

method

in

android.widget.RadioButton

radioButton.setChecked(false);
radioButton.setId(id++);
radioButton.setLayoutParams(new RadioGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
radioButton.setOnClickListener(radioButtonsClickListener);
radioGroup.addView(radioButton);

private void setOptionUseAccountMarginStart(int marginStart) {
  LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) optionUseAccount.getLayoutParams();
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
    layoutParams.setMarginStart(marginStart);
  } else {
    layoutParams.leftMargin = marginStart;
  }
  optionUseAccount.setLayoutParams(layoutParams);
}

    ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT,
    Gravity.CENTER);
radio.setLayoutParams(l);
radio.setGravity(Gravity.CENTER);
radio.setPadding(20, 20, 20, 20);

RadioButton mRadioButton = mRadioArrays.get(i, createRadioView());
mParams.leftMargin = i > 0 ? -strokeWidth : 0;
mRadioButton.setLayoutParams(i == 0 ? mFirstParams : mParams);
mRadioButton.setButtonDrawable(mButtonDrawables != null ? mButtonDrawables.get(i, colorDrawable) : colorDrawable);
if (Build.VERSION.SDK_INT >= 16) {

  /**
   * 创建子 tab
   *
   * @param context
   * @param id
   */
  public static RadioButton creatTabItem(Context context, int id, String text) {
    final int width = DensityUtil.dip2px(context, 80);
    final int height = DensityUtil.dip2px(context, 46);
    final int padding = DensityUtil.dip2px(context, 3);

    RadioButton button;
    button = new RadioButton(context);
    button.setId(id);
//        button.setWidth(width);
//        button.setHeight(height);
    button.setText(text);
    button.setLayoutParams(new LinearLayout.LayoutParams(width, height));
    button.setHeight(height);
    button.setBackgroundResource(R.drawable.tab_item_bg_selector);
    button.setButtonDrawable(context.getResources().getDrawable(android.R.color.transparent));
    button.setGravity(Gravity.CENTER);
    button.setTextColor(context.getResources().getColorStateList(R.color.tab_item_font_color_selector));
    button.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18);
    button.setPadding(0, 0, 0, padding);
    return button;
  }
}

  params.setMargins(DisplayUtils.dp2px(context, 8), 0, 0, 0);
rb.setLayoutParams(params);
rb.setButtonDrawable(new ColorDrawable());
rb.setBackgroundResource(R.drawable.shape_oval_primary2white_sel);

@Override
RadioGroup createWidgetView(AppCompatActivity activity) {
  radioGroup = new RadioGroup(activity);
  radioGroup.setPadding(16, 16, 16, 16);
  LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
  layoutParams.topMargin = 32;
  layoutParams.bottomMargin = 32;
  String[] values = getInputValues(activity.getIntent());
  for (int j = 0; j < values.length; ++j) {
    String value = values[j];
    RadioButton button = new RadioButton(activity);
    button.setText(value);
    button.setId(j);
    button.setTextSize(18);
    button.setPadding(16, 16, 16, 16);
    button.setLayoutParams(layoutParams);
    radioGroup.addView(button);
  }
  return radioGroup;
}

private void createRadioGroup() {
  final LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT,
      LayoutParams.WRAP_CONTENT);
  if (mRadioGroup == null) {
    mRadioGroup = new RadioGroup(mContext);
    mRadioGroup.setLayoutParams(params);
  } else {
    removeView(mRadioGroup);
  }
  mRadioGroup.removeAllViews();
  mRadioGroup.setOnCheckedChangeListener(this);
  for (ODataRow label : items) {
    RadioButton rdoBtn = new RadioButton(mContext);
    rdoBtn.setLayoutParams(params);
    rdoBtn.setText(label.getString(mModel.getDefaultNameColumn()));
    if (textSize > -1) {
      rdoBtn.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
    }
    if (appearance > -1) {
      rdoBtn.setTextAppearance(mContext, appearance);
    }
    rdoBtn.setTextColor(textColor);
    mRadioGroup.addView(rdoBtn);
  }
  addView(mRadioGroup);
}