How to use

setBackground

method

in

android.widget.RadioButton

   R.drawable.selected_right_background));
} else {
 femaleButton.setBackground(getResources().getDrawable(
   R.drawable.unselected_left_background));
 maleButton.setBackground(getResources().getDrawable(
   R.drawable.selected_right_background));
   R.drawable.unselected_right_background));
} else {
 femaleButton.setBackground(getResources().getDrawable(
   R.drawable.selected_left_background));
 maleButton.setBackground(getResources().getDrawable(
   R.drawable.unselected_right_background));

  radio.setTextColor(getResources().getColor(R.color.subject_select));
  radio.setChecked(true);
  radio.setBackground(getResources().getDrawable(R.drawable.bg_bottom));
} else {
  radio.setTextColor(getResources().getColor(R.color.kViewztblack));
  radio.setChecked(false);
  radio.setBackground(null);

  newRadioButton.setBackground(selectorDrawable);
else
  newRadioButton.setBackgroundDrawable(selectorDrawable);

  @Override
  public void onCheckedChanged(RadioGroup group, int checkedId) {
    int radioButtonId = group.getCheckedRadioButtonId();
    // 根据ID获取RadioButton的实例
    RadioButton rb = (RadioButton) findViewById(radioButtonId);
    for (int i = 0; i < group.getChildCount(); i++) {
      RadioButton vradio = (RadioButton) group.getChildAt(i);
      vradio.setGravity(Gravity.CENTER);
      vradio.setPadding(20, 20, 20, 20);
      if (rb.getId() == vradio.getId()) {
        vradio.setTextColor(getResources().getColor(R.color.subject_select));
        vradio.setChecked(true);
        vradio.setBackground(getResources().getDrawable(R.drawable.bg_bottom));
      } else {
        vradio.setTextColor(getResources().getColor(R.color.kViewztblack));
        vradio.setChecked(false);
        vradio.setBackground(null);
      }
    }
    //           CustomProgress.show(mContext, true, null);
    kChartTimeInterval = titleList.get(checkedId - 1).get("time") + "";
    indexMarketChart();
  }
});

mRadioButton.setButtonDrawable(mButtonDrawables != null ? mButtonDrawables.get(i, colorDrawable) : colorDrawable);
if (Build.VERSION.SDK_INT >= 16) {
  mRadioButton.setBackground(getStateDrawable(i));
} else {
  mRadioButton.setBackgroundDrawable(getStateDrawable(i));

TintHelper.setTint(radioButton, color, isDark);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
  radioButton.setBackground(null);