How to use

setBackgroundDrawable

method

in

android.widget.RadioButton

@Override
public void setBackgroundDrawable(Drawable background) {
  super.setBackgroundDrawable(background);
  if (mBackgroundHelper != null) {
    mBackgroundHelper.setBackgroundDrawableExternal(background);
  }
}

/**
 */
@Override
@SuppressWarnings("deprecation")
public void setBackgroundDrawable(Drawable background) {
  super.setBackgroundDrawable(background);
  this.ensureDecorator();
  mDecorator.applyBackgroundTint();
}

/**
 */
@Override
@SuppressWarnings("deprecation")
public void setBackgroundDrawable(Drawable background) {
  super.setBackgroundDrawable(background);
  this.ensureDecorator();
  mDecorator.applyBackgroundTint();
}

/**
 * 设置Tab样式
 *
 * @param rb      Tab项
 * @param checked 是否选中
 */
private void setTabStyle(RadioButton rb, boolean checked) {
  if (checked) {
    rb.setTextColor(mNavTextCheckedColor);
    if (null == mNavBgCheckedImg) {
      rb.setBackgroundColor(mNavBgCheckedColor);
    } else {
      rb.setBackgroundDrawable(mNavBgCheckedImg);
    }
  } else {
    rb.setTextColor(mNavTextDefaultColor);
    rb.setBackgroundColor(Color.TRANSPARENT);
    rb.setBackgroundDrawable(null);
  }
}

  femaleButton.setBackgroundDrawable(getResources().getDrawable(
    R.drawable.unselected_left_background));
  maleButton.setBackgroundDrawable(getResources().getDrawable(
    R.drawable.selected_right_background));
 } else {
if (checked) {
 if (android.os.Build.VERSION.SDK_INT < 16) {
  femaleButton.setBackgroundDrawable(getResources().getDrawable(
    R.drawable.selected_left_background));
  maleButton.setBackgroundDrawable(getResources().getDrawable(
    R.drawable.unselected_right_background));
 } else {

  mRadioButton.setBackground(getStateDrawable(i));
} else {
  mRadioButton.setBackgroundDrawable(getStateDrawable(i));

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