code: @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
  	public int getMaxWidth (){
  		if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
  			return mInputView.getMaxWidth();
  
  		return -1;
  	}
docs: @return the maximum width of the TextView, in pixels or -1 if the maximum width
  was set in ems instead (using {@link #setMaxEms(int)} or {@link #setEms(int)}).
  
  @see #setMaxWidth(int)
  @see #setWidth(int)
  
  @attr ref android.R.styleable#TextView_maxWidth