Hi Mike, Suppose there's a new fancy device made by BrandNew Co. and it's equipped with a new hardware component and its driver.
Now I wish to develop a new fancy application to utilize the new hardware feature, the only way to retrieve the "eng" build is to contact the BrandNew Co ? Alan On 5月14日, 下午8時30分, Mike Lockwood <lockw...@android.com> wrote: > FYI - there are three types of builds that have varying levels of security: > > "user" builds are secure. there is no way to get root access to the > phone (unless you count the keyboard console bug that was fixed in > RC30). This is what ships for regular customers. > > "eng" builds are insecure - adb runs as root user, which allows you to > get access to files within the /data partition, remount the /system > file system read/write, etc. The eng builds are normally used for > development, so it is easier to debug and replace system files with > "adb remount" and "adb sync" > > "userdebug" builds are somewhere in between. The purpose is to run as > close as possible to a user build while still allowing access for > debugging. adb runs as non-root, but the "su" command is enabled so > you can get a root shell. And new in cupcake is the "adb root" > command, which restarts adb as root user, which basically allows you > to enable the adb commands that work in the "eng" build. > > eng and userdebug builds also have some extra features enabled not in > user builds, like the ability to attach to any Java process with DDMS > or a Java debugger and saving bugreport files to the SD card by > pressing a key combination. > > Based on what you are saying (the fact that "adb root" works), it > sounds like HTC has a userdebug build on their web site. > > Mike > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "android-framework" group. To post to this group, send email to android-framework@googlegroups.com To unsubscribe from this group, send email to android-framework+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-framework?hl=en -~----------~----~----~----~------~----~------~--~---
