cjybyjk/SystemUpdater

Simple application to download and apply OTA packages.

SystemUpdater

Simple application to download and apply OTA packages.

Server requirements

The app sends GET requests to the URL defined by the attr_update_channel_url resource (or the ro.updater.channel_url system property) and expects as response a JSON with the following structure:

[
    { 
      "name":"Example ROM",
      "version":"1.0.0",
      "device":"generic_x86",
      "requirement":0 ,
      "type":"full",
      "url":"https://example.com/ota-package.zip",
      "description":"ZXhhbXBsZQ==",
      "timestamp":1565236714,
      "file_size":314572800,
      "sha1":"45eafb9e95ae5c79a74687499ba18474d6aa1cbd" 
    }
]

The name attribute is the name of this update.
The version attribute is the version of this update.
The device attribute is the string to be compared with the device name.
The requirement attribute is the string to be compared with the system build timestamp (for incremental updates only).
The type attribute is the type of the update (support: full, incremental).
The url attribute is the URL of the file to be downloaded.
The description attribute is the base64 encoded description of this update (HTML supported).
The timestamp attribute is the build date expressed as UNIX timestamp.
The file_size attribute is the size of the update expressed in bytes.
The sha1 attribute is the sha1sum result of the update file.

Additional attributes are ignored.

Build information

You need generate a keystore and keystore.properties using gen-keystore.sh before build SystemUpdater.

IMPORTANT NOTE

• You should replace res/drawable/update.png with your own file
• Please edit res/values/strings.xml to set your attributes

If you want to run this application on a non-root device, you need to do the following

1. Add android:sharedUserId="android.uid.system" to the application tag of AndroidManifest.xml
2. Sign the apk with the platform key