现在用的手机是android2.2版的三星i9000，ROM自带的谷歌地图是4.5版，但官方早就升级到了5.4版，中间有性能和功能的大幅提升，可是尝试了若干方法安装升级都没有成功，如果用市场直接升级会得到“应用程序未安装”的错误提示，用adb手动安装，会得到 INSTALL_FAILED_SHARED_USER_INCOMPATIBLE 错误提示，另外还尝试了用RE获取root权限后后删除/system/app/Maps.apk后安装或者升级，依然不能成功，其实之前编译测试 apk文件的时候，遇到 INSTALL_FAILED_SHARED_USER_INCOMPATIBLE错误其实是因为 AndroidManifest.xml 文件中android:sharedUserId=”android.uid.system”设置项所指，可是这事儿现在没法弄，官方的Google maps的apk文件打开后里面的AndroidManifest.xml文件不能这样修改搞定。
崩溃之余想到个方法可以一试，就是把系统原来的4.5版 /system/app/Maps.apk拷贝到手机的另外地方，然后通过RE删除掉原来的文件后，在手机上点击Maps.apk文件安装一份新的4.5版谷歌地图，这样安装出来的文件就成为了第三方应用程序的模式，于是再进入设置->应用程序里面删掉刚安装的4.5版程序，然后再次通过adb命令安装最新5.4版的Maps.apk，结果成功了！
C:\Users\michael\Documents\Wandoujia\Download\App
adb install -r “Maps.apk”
335 KB/s (6297067 bytes in 18.355s)
pkg: /data/local/tmp/Maps.apk
Failure [INSTALL_FAILED_SHARED_USER_INCOMPATIBLE]
C:\Users\michael\Documents\Wandoujia\Download\App
adb install “Maps.apk”
250 KB/s (6297067 bytes in 24.589s)
pkg: /data/local/tmp/Maps.apk
Success
我手机是weos系统 也用谷歌
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