手工设置文本与图片相对位置时。经常使用到例如以下方法:
setCompoundDrawables(left, top, right, bottom)
setCompoundDrawablesWithIntrinsicBounds(left, top, right, bottom) 意思是设置Drawable显示在text的左、上、右、下位置。 可是两者有些差别:setCompoundDrawables 画的drawable的宽高是按drawable.setBound()设置的宽高, 所以才有The Drawables must already have had setBounds(Rect) called.使用之前必须使用Drawable.setBounds设置Drawable的长宽。
setCompoundDrawablesWithIntrinsicBounds是画的drawable的宽高是按drawable固定的宽高。 所以才有The Drawables' bounds will be set to their intrinsic bounds. 即通过getIntrinsicWidth()与getIntrinsicHeight()获得