启动AVD时log提示“emulator-X disconnected! Cancelling 'X activity launch'!”

见stackoverflow的一个回答：

http://stackoverflow.com/questions/2160454/helloandroidemulator-5554-disconnected-cancelling-com-example-helloandroid-he

1. Open Android Virtual Device Manager

2. select the AVD you use for your app.

3. Press the start button and wait for a new form to show up called (Launch Options).

4. Check the box "Wipe user data" and hit "Launch" button.

解决！

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