今天我尝试从 Eclipse 中启动我的 Android 应用程序，但没有任何反应.昨天一切正常.我尝试了一些东西，比如 adb kill-server、adb-start-server.在某些时候，我收到用户数据图像被另一个模拟器使用"错误，所以我开始删除 avd 图像中的 .lock 文件夹，但无济于事.
Today I tried to launch my Android app from within eclipse but nothing happened. Everything worked fine yesterday. I tried a few things like adb kill-server, adb-start-server. At some point I got the "user data image is used by another emulator" error, so I went about deleting the .lock folders in the avd image but to no avail.
我创建了一个新的 avd，但模拟器甚至没有从这个图像开始.我试着用
I created a new avd and the emulator doesnt even start with this image. I tried to start it with
emulator -avd avdname
->什么都没有.没有错误.emulator.exe 在任务管理器中运行.
->nothing. No error. emulator.exe is running in Taskmanager.
Windows 7Android SDK 工具，修订版 7
Windows 7 Android SDK Tools, revision 7
更新:现在我知道什么时候出现错误了
Update: Now I know when I get the error
模拟器:错误:用户数据图像被另一个模拟器使用.中止
emulator: ERROR: the user data image is used by another emulator. aborting
在 emulator.exe 已经挂在 Taksmanager 中之后，我尝试再次运行应用程序.
it's when I try to run the application again after the emulator.exe is already dangling in Taksmanager.
更新:等了 20 分钟.emulator.exe 只是以 00:00:00 cpu 时间坐在那里.
Update: waited for 20mins. emulator.exe is just sitting there with 00:00:00 cpu time.
当你说昨天一切正常"时，你应该先问问自己从那以后你发生了哪些变化；你有没有安装任何可能干扰模拟器的东西?
When you say, "Everything worked fine yesterday", you should first ask yourself what you have changed since; have you installed anything that could interfere with the emulator?
就我个人而言，我会下载一个新的 Android SDK 副本，从您的 PATH 中删除对当前安装版本的引用，然后添加新的.
Personally, I would download a fresh copy of the Android SDK, remove the reference to the currently installed version from your PATH, and add the new one.
我应该认为这会解决您的问题(至少，能够启动 AVD).
I should think that would solve your issue (at least, being able to start an AVD that is).
还有一点需要注意的是，AVD 有时启动速度很慢.在我的一台机器上，启动最多需要 7 分钟.所以试试emulator -avd avdname，然后去泡杯咖啡，看看你回来时它是否有效:)
One more thing to note is that the AVD can sometimes be quite slow to startup. On one of my machines, it has taken up to 7 minutes to boot up. So try emulator -avd avdname, then go make a coffee and see if it works when you return :)
祝你好运！
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