Problem: failed to install *. APK on device *: timeout

Maybe the project is getting bigger (in fact, there are many pictures ^-^), and failed to install *. APK on device *: timeout will appear every time you debug and install it.
Now, sort out the problem for future reference.

Error: timeout occurs when the connection to the real machine is debugged for too long and does not respond.

According to many materials on the Internet: There are several solutions:

From simple to troublesome:

1. Set the timeout time of ddms in window-prensent...-Android. This is the most effective and concise.

2. Delete the APK in Android to ensure the speed. However, after a try, the real machine seems to be "smart" and there is also a timeout.

3. Cleaning the Project (Project-> clean). If it doesn't work, restart eclipse or android. It is depressing that it can be run for the first time after restart. The second time it starts to slow down, that is, the timeout occurs.

4. A method I have not tried on the Internet:

Don't use spaces in your directory names. If you have files that are in such a directory (e.g., stuff insideC: \ Program Files \), Copy them to another spot that does not have spaces.

Obviously, there should be no spaces in the directory to exclude them.