docs: public AutofitHelper setEnabled(boolean enabled) {
          if (mEnabled != enabled) {
              mEnabled = enabled;
  
              if (enabled) {
                  mTextView.addTextChangedListener(mTextWatcher);
                  mTextView.addOnLayoutChangeListener(mOnLayoutChangeListener);
  
                  autofit();
              } else {
                  mTextView.removeTextChangedListener(mTextWatcher);
                  mTextView.removeOnLayoutChangeListener(mOnLayoutChangeListener);
  
                  mTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextSize);
              }
          }
          return this;
      }