控件居中显示

Studio
#1 
-- 读取该伙伴的当前星数，根据存储数量决定显示数量。最多显示5个，最少显示1个。星显示在图居中。
-- 创建一层来承载 所有的星,然后 居中
local tLayoutStar = LG.ImageView:create()
local tStarNum = objCard:GetStar() + 2
local tWidthTotal = 0
for i = 1, tStarNum do
    local tImageStar = LG.ImageView:create()
    tImageStar:loadTexture( Global_DEF_RES_SC_UI .. "star.png" )
    tImageStar:setScale(0.5)
    tImageStar:setAnchorPoint(Global_CCPointMake( 0,0 ) )
    tImageStar:setPosition( Global_CCPointMake( 50*( i-1 ),0) )
    tWidthTotal = tWidthTotal + tImageStar:getContentSize().width*0.25
    tLayoutStar:addChild(tImageStar)
end
tWidthTotal = tWidthTotal + 50*(tStarNum -1)*0.5 
local temp = objQualityKuang:getContentSize().width
--objQualityKuang:getContentSize().width/4
local tWidthend = (objQualityKuang:getContentSize().width - tWidthTotal) *0.5
tLayoutStar:setPosition( Global_CCPointMake( tWidthend,0 ) )
objQualityKuang:addChild( tLayoutStar )