Eclipse에서 사인된 Keystore 사용하기

안드로이드에 설치된 APK을 디버깅하기 위한 팁입니다. Eclipse를 연결하여 사용할 때, Sign key가 적용된 apk가 설치된 상태에서 eclipse를 통해서는 apk를 설치할 경우 Key가 맞지 않는다는 에러로 인해 설치가 안되는 경우가 있다. 

이 경우, Eclipse에 sign된 key를 debug key로 변환하여 문제를 해결할 수 있다. 

1. 먼저 릴리즈시 사용하는 keysotre를 준비.

2. JDK path 설정

jdk에 포함된 keytool.exe를 사용하므로, dos prompt에서 해당 command 사용시 문제 없도록 path 설정.

3. Keystore의 password를 "android"로 변경

• keytool -storepasswd -keystore iap.keystore
• keystore의 password를 입력 후 신규 password를 "android"로 입력(두번).

4. alias key 이름을 "androiddebugkey"로 변경.

• keytool -changealias -keystore iap.keystore -alias Old_Key_Store_Name -destalias androiddebugkey
• keystore의 password "android"입력후 alias의 password 입력.

5. androiddebugkey의 password를 "android"로 변경.

• keytool -keypasswd -keystore iap.keystore -alias androiddebugkey
• keystore의 password "android" 를 입력 및 alias key의 password 입력 후 신규 password를 "android"로 입력(두번).

6. 변경 완료.

7. Eclipse에 적용하기.

 Window -> Preferences -> Android -> Build에서 "Custom debug keystore"에 작업한 keystore 파일 선택.

8. Eclipse에서 설치해 보기

출처: Configure Eclipse to use signed keystore 

http://stackoverflow.com/questions/10886814/configure-eclipse-to-use-signed-keystore

In order for Eclipse to sign automatically for you when you deploy you need to set up a keystore which behaves like the debug keystore. This means there must be an 'androiddebugkey' and both the key and keystore password must be 'android'. Therefore, I'd recommend the following:

1. Make a copy of your keystore, I copied mine to a file called iap.keystore
2. Open terminal/command window with keytool on the path (for me the path is D:\NVPACK\jdk1.6.0_45\bin\keytool.exe) or use the fullpath to keystore in the commands below
3. Change your keystore password to 'android':
   • keytool -storepasswd -keystore iap.keystore
   • Follow prompt to enter your old keystore password
   • Follow prompt to enter android as the new password
   • Follow prompt to confirm android as the password
4. Rename your key to androiddebugkey (replace Old_Key_Store_Name with your current key name in the next command)
   • keytool -changealias -keystore iap.keystore -alias Old_Key_Store_Name -destalias androiddebugkey
   • Follow prompt to enter your keystore password (which is now andorid)
   • Follow prompt to enter your Old_Key_Store_Name password (this is whatever you previously had your key password set to)
5. Change the password for your androiddebugkey
   • keytool -keypasswd -keystore iap.keystore -alias androiddebugkey
   • Follow prompt to enter your keystore password (which is now andorid)
   • Follow prompt to enter your androiddebugkey password (this is whatever you previously had your key password set to)
   • Follow prompt to enter android as the new key password
   • Follow prompt to confirm android as the key password
6. You now have a keystore (with key) which Eclipse can use to automatically sign builders.
7. Load up Eclipse.
8. Window -> Preferences -> Android -> Build
9. Follow 'Custom debug keystore' browse to the iap.keystore file we previous created
10. OK

Now when you launch/debug your project, it'll use the keystore we just set up to sign your project. This will allow things like IAP to work.

BEWARE: this is convenient, but of course if someone gets hold of your iap.keystore they will be able to sign things as you by using 'android' as the keystore/key password. Hopefully this is obviously from the steps listed above, but just take a second to appreciate what this means for yourself (or your company). Then based on that decide if the risks are acceptable, and if you need to carry out any extra measures to ensure the safety of this file.

answered Feb 19 '15 at 10:09 Steven Craft