Display iOS app version in settings

versionInSettings.md

To display the current version of an iOS app in the settings

1. Add an entry like this in Settings.bundle/Root.plist

<key>PreferenceSpecifiers</key>
<array>
  <dict>
    <key>Type</key>
    <string>PSTitleValueSpecifier</string>
    <key>Title</key>
    <string>Version</string>
    <key>Key</key>
    <string>version_preference</string>
    <key>DefaultValue</key>
    <string></string>
    </dict>
    ...
  </array>

2. Add a new Run Script phase in the build phase to the target like this

cd $PROJECT_DIR
cd "$BUILT_PRODUCTS_DIR/$PRODUCT_NAME.app"
RELEASE_VERSION=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" Info.plist)
BUILD_NUMBER=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" Info.plist)
VERSION_STRING="$RELEASE_VERSION ($BUILD_NUMBER)"
/usr/libexec/PlistBuddy -c "Set :PreferenceSpecifiers:0:DefaultValue $VERSION_STRING" Settings.bundle/Root.plist

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