Advanced App
Building
Tips, Tricks & Lessons Learned
Wednesday, February 6, 13

Jay Graves
CTO
Wednesday, February 6, 13

Lots of Apps
Wednesday, February 6, 13

Ship It
Wednesday, February 6, 13

Ship It
Wednesday, February 6, 13

Provisioning Profiles
Wednesday, February 6, 13

Provisioning Profiles
How do they work?
Wednesday, February 6, 13

Provisioning Profiles
What are they?
SMIME / PKCS#7
Originally designed for email signing & encryption.
Wednesday, February 6, 13

Read a Provisioning Profile
vim
Wednesday, February 6, 13

Read a Provisioning Profile
openssl
openssl smime -in ./your.mobileprovision -inform der -verify
openssl smime -in /path/to/your.mobileprovision -inform der
-verify -noverify
https://skabber.snipt.net/provisioning-profile-tips-tricks/
Wednesday, February 6, 13

Important Values
application-identifier
<key>application-identifier</key>
<string>ABCDEFGHIJK.com.your.bundleid</string>
Wednesday, February 6, 13

Important Values
Entitlements
<key>Entitlements</key>
<dict>
...
<key>com.apple.developer.ubiquity-container-
identifiers</key>
...
<key>com.apple.developer.ubiquity-kvstore-
identifier</key>
...
<key>get-task-allow</key>
...
</dict>
Wednesday, February 6, 13

Important Values
ProvisionedDevices
<key>ProvisionedDevices</key>
<array>
<string>7af8ee3af8e4e13193bd834bab50e1d...</string>
<string>a9f0d0477a6d3e8dad0ff984f7ba77e...</string>
</array>
Wednesday, February 6, 13

Important Values
UUID
<key>UUID</key>
<string>E0EF8ACE-E83A-475C-9DA7-C67A147659FD</
string>
Wednesday, February 6, 13

Important Values
DeveloperCertificates
<key>DeveloperCertificates</key>
! <array>
! ! <data>
MIIFnDCCBISgAwIBAgIIEIdrqpJlb9MwDQYJKoZIhvcNAQEFBQAwgZYxCzAJ
BgNVBAYTAlVTMRMwEQYDVQQKDApBcHBsZSBJbmMuMSwwKgYDVQQLDCNBcHBs
ZSBXb3JsZHdpZGUgRGV2ZWxvcGVyIFJlbGF0aW9uczFEMEIGA1UEAww7QXBw
bGUgV29ybGR3aWRlIERldmVsb3BlciBSZWxhdGlvbnMgQ2VydGlmaWNhdGlv
...
Wednesday, February 6, 13

Important Values
DeveloperCertificates
-----BEGIN CERTIFICATE-----
MIIFnDCCBISgAwIBAgIIEIdrqpJlb9MwDQYJKoZIhvcNAQEFBQAwgZYxCzAJ
BgNVBAYTAlVTMRMwEQYDVQQKDApBcHBsZSBJbmMuMSwwKgYDVQQLDCNBcHBs
ZSBXb3JsZHdpZGUgRGV2ZWxvcGVyIFJlbGF0aW9uczFEMEIGA1UEAww7QXBw
bGUgV29ybGR3aWRlIERldmVsb3BlciBSZWxhdGlvbnMgQ2VydGlmaWNhdGlv
...
-----END CERTIFICATE-----
Wednesday, February 6, 13

Important Values
DeveloperCertificates
-----BEGIN CERTIFICATE-----
MIIFnDCCBISgAwIBAgIIEIdrqpJlb9MwDQYJKoZIhvcNAQEFBQAwgZYxCzAJ
BgNVBAYTAlVTMRMwEQYDVQQKDApBcHBsZSBJbmMuMSwwKgYDVQQLDCNBcHBs
ZSBXb3JsZHdpZGUgRGV2ZWxvcGVyIFJlbGF0aW9uczFEMEIGA1UEAww7QXBw
bGUgV29ybGR3aWRlIERldmVsb3BlciBSZWxhdGlvbnMgQ2VydGlmaWNhdGlv
...
-----END CERTIFICATE-----
openssl x509 -text -in cert.pem
Wednesday, February 6, 13

Important Values
DeveloperCertificates
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
10:87:6b:aa:92:65:6f:d3
Signature Algorithm: sha1WithRSAEncryption
Issuer: C=US, O=Apple Inc., OU=Apple Worldwide Developer Relations, CN=Apple Worldwide
Developer Relations Certification Authority
Validity
Not Before: Nov 3 21:38:10 2012 GMT
Not After : Nov 3 21:38:10 2013 GMT
Subject: UID=9K9F9LCV74, CN=iPhone Distribution: Massively Overrated, OU=9K9F9LCV74,
O=Massively Overrated, C=US
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
RSA Public Key: (2048 bit)
Modulus (2048 bit):
00:c8:57:f9:cf:af:c2:4d:7a:8a:16:62:47:4b:c2:
Wednesday, February 6, 13

Install a Provisioning Profile
Wednesday, February 6, 13

Install a Provisioning Profile
Don’t double click them.
Not human readable.
Wednesday, February 6, 13

Install a Provisioning Profile
Drag them into the Finder
~/Library/MobileDevice/Provisioning Profiles
Wednesday, February 6, 13

Install a Provisioning Profile
Drag them into the Finder
Wednesday, February 6, 13

Install a Provisioning Profile
Drag them into the Finder
Much better
Wednesday, February 6, 13

Tools for using Provisioning Profiles
Terminal.app
Wednesday, February 6, 13

Tools for using Provisioning Profiles
Terminal.app - bash alias
alias prov='openssl smime -inform der -verify -in'
Wednesday, February 6, 13

Tools for using Provisioning Profiles
Quicklook Plugin
http://www.macmation.com/blog/2011/10/quicklook-plugin-for-mobile-provision-files/
Wednesday, February 6, 13

Tools for using Provisioning Profiles
Automator Service
Wednesday, February 6, 13

Tools for using Provisioning Profiles
Automator Service
http://cl.ly/MTZb
Wednesday, February 6, 13

Tools for using Provisioning Profiles
Automator Service
Wednesday, February 6, 13

Xcode
Wednesday, February 6, 13

Xcode
How does it see profiles?
Wednesday, February 6, 13

Xcode
How does it see profiles?
CODE_SIGN_IDENTITY = "iPhone Developer";
Wednesday, February 6, 13

Xcode
How does it see profiles?
CODE_SIGN_IDENTITY = "iPhone Developer";
PROVISIONING_PROFILE = "";
Wednesday, February 6, 13

Xcode
How does it see profiles?
Wednesday, February 6, 13

Xcode
How does it see profiles?
CODE_SIGN_IDENTITY = "iPhone Developer: Jay Graves (E6L876QFM6)";
Wednesday, February 6, 13

Xcode
How does it see profiles?
CODE_SIGN_IDENTITY = "iPhone Developer: Jay Graves (E6L876QFM6)";
PROVISIONING_PROFILE = "0FEB5831-22D3-4B1D-A973-59ED243E8103";
Wednesday, February 6, 13

Xcode
Build error
Wednesday, February 6, 13

Xcode
Build error
Wednesday, February 6, 13

Xcode
Update the profile.
Wednesday, February 6, 13

Xcode
Update the profile.
Wednesday, February 6, 13

Xcode
Project Diff
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What does all this mean?
Wednesday, February 6, 13

What does all this mean?
•Automatic Profiles
•Good if you don’t have multiple projects.
•It can select the wrong profile.
•Rules on automatic selection are not defined.
Wednesday, February 6, 13

What does all this mean?
•Automatic Profiles
•Good if you don’t have multiple projects.
•It can select the wrong profile.
•Rules on automatic selection are not defined.
•Specific Profiles
•Much more control over which profile is selected.
•Can be a pain to update the project file every time a profile is updated.
Wednesday, February 6, 13

Wednesday, February 6, 13

Wednesday, February 6, 13

Scenario
Wednesday, February 6, 13

Scenario
1 Project 2 Builds
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
•Duplicated all of the Configurations
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
•Duplicated all of the Configurations
•A 2nd info.plist has been created.
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
•Duplicated all of the Configurations
•A 2nd info.plist has been created.
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
•Duplicated all of the Configurations
•A 2nd info.plist has been created.
• Add a new Configuration
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
•Duplicated all of the Configurations
•A 2nd info.plist has been created.
• Add a new Configuration
•Still a large project file change
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
•Duplicated all of the Configurations
•A 2nd info.plist has been created.
• Add a new Configuration
•Still a large project file change
•Still duplicated all the build options
Wednesday, February 6, 13

Multiple Build Scenario
Possible Solutions
•Add a Duplicate Target
•Large project file change
•Duplicated all of the Configurations
•A 2nd info.plist has been created.
• Add a new Configuration
•Still a large project file change
•Still duplicated all the build options
•Easy to forget new build options
Wednesday, February 6, 13

Multiple Build Scenario
A better solution
Wednesday, February 6, 13

Multiple Build Scenario
A better solution
.xcconfig file
Wednesday, February 6, 13

Multiple Build Scenario
Create a .xcconfig file
Wednesday, February 6, 13

Multiple Build Scenario
Create a .xcconfig file
CODE_SIGN_IDENTITY = iPhone Distribution: Double Encore
PROVISIONING_PROFILE = 1203C18-8F08-45D8-A5AC-76AD9319CDDC
Wednesday, February 6, 13

Multiple Build Scenario
Build with a .xcconfig file
xcodebuild -xcconfig second_build.xcconfig
Wednesday, February 6, 13

Surprise?
Wednesday, February 6, 13

Surprise?
Wednesday, February 6, 13

Surprise?
Wednesday, February 6, 13

Surprise?
Wednesday, February 6, 13

Surprise?
Wednesday, February 6, 13

OK, OK, Enough with the
Provisioning Profiles
already.
Wednesday, February 6, 13

Keychain
Access
Wednesday, February 6, 13

Multiple Keychains
Wednesday, February 6, 13

Switch Keychains
unlock keychain
security default-keychain -d user -s /FULLPATH/My.keychain
security unlock-keychain -p ******* /FULLPATH/My.keychain
Wednesday, February 6, 13

Switch Keychains
unlock keychain
Error: User interaction is not allowed.
Wednesday, February 6, 13

Switch Keychains
unlock keychain
Wednesday, February 6, 13

Wednesday, February 6, 13

OTA Install
Wednesday, February 6, 13

md5
checksum
Wednesday, February 6, 13

md5 checksum
doesn’t work
Wednesday, February 6, 13

md5 checksum
doesn’t work
Wednesday, February 6, 13

Install multiple apps
at the same time
Wednesday, February 6, 13

Install multiple apps
at the same time
Wednesday, February 6, 13

Install multiple apps
at the same time
Wednesday, February 6, 13

Thank You
jay@doubleencore.com
@skabber
Wednesday, February 6, 13