MaterialEditTextPreference.java 文件源码

private void init(Context context, AttributeSet attrs) {
  PrefUtil.setLayoutResource(context, this, attrs);
  int fallback;
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    fallback = DialogUtils.resolveColor(context, android.R.attr.colorAccent);
  } else {
    fallback = 0;
  }
  fallback = DialogUtils.resolveColor(context, R.attr.colorAccent, fallback);
  color = DialogUtils.resolveColor(context, R.attr.md_widget_color, fallback);

  editText = new AppCompatEditText(context, attrs);
  // Give it an ID so it can be saved/restored
  editText.setId(android.R.id.edit);
  editText.setEnabled(true);
}