vault backup: 2025-07-22 22:14:08

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2025-07-22 22:14:08 +08:00
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所有 apk 在安裝之後必須要向 launcher 註冊,並將 icon 存在 launcher 的 `app_icons.db` 裡面。
launcher 的 package 是 `com.android.launcher3`,所以 `app_icons.db` 的位置在 `/data/data/com.android.launcher3/databases/app_icons.db`
`SQLiteDatabaseBrowserPortable.exe` 之類的工具可以打開 `app_icons.db`,其內容如下:
![[Pasted image 20220712100904.png|800]]
icon 欄位的blob就是icon的圖檔看來是PNG檔。
## 參考
- [Can i get the icon image of an app through adb](https://stackoverflow.com/questions/39170162/can-i-get-the-icon-image-of-an-app-through-adb)
- [只是简单看下Launcher_Jason_Lee155的博客-CSDN博客](https://blog.csdn.net/Jason_Lee155/article/details/125096966)
- [Android Launcher3中微信联系人快捷方式无法卸载的解决方案 - 简书](https://www.jianshu.com/p/8ba912ad537e)