code: @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
  	public float getLineSpacingMultiplier (){
  		if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
  			return mInputView.getLineSpacingMultiplier();
  		return 0f;
  	}
docs: Gets the line spacing multiplier
  
  @return the value by which each line's height is multiplied to get its actual height.
  
  @see #setLineSpacing(float, float)
  @see #getLineSpacingExtra()
  
  @attr ref android.R.styleable#TextView_lineSpacingMultiplier