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fookwood avatar fookwood commented on July 17, 2024

看R.layout.folder_icon，FolderIcon是个FrameLayout，里面放着一张图和一个BubbleTextView，这个图就是圆形背景。层叠的效果在FolderIcon中通过dispatchDraw方法用代码实现.

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xiongliangshan avatar xiongliangshan commented on July 17, 2024

我最想改的就是 dispatchDraw方法，里面太复杂，变量都看不懂什么意思，怎么办啊
尤其是computePreviewItemDrawingParams 这个方法 ，看不懂不敢乱动啊

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fookwood avatar fookwood commented on July 17, 2024

computePreviewItemDrawingParams方法应该还好吧，参数index表示的是第几个图标。算出这个图标的位置，返回的结果就是计算出来的位置，缩放等信息。然后再通过drawPreviewItem画出来。
preview的图标是从右上角画到左下角的，如果不清楚参数的意义，可以改下值跑出来运行下会有什么影响

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xiongliangshan avatar xiongliangshan commented on July 17, 2024

我已经改了 computePreviewItemDrawingParams中的代码，运行了，做成了 显示4个小图的文件夹预览。
两行两列，但是我写的代码太垃圾了，换了一台机器运行之后，那4个小图 都歪了，连背景图和内容都没对齐， 大神，跪求高质量的代码或者 好的算法啊 。 我这代码 适配能力太差了。

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fookwood avatar fookwood commented on July 17, 2024

那就需要慢慢啃了，了解方法中每个变量的含义，改起来才不会费劲儿

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