// 5️⃣ Optional: verify signature (HMAC) for tamper‑proofing // The server also sends a `signature` field which is HMAC‑SHA256 // of the payload using a secret known only to the server. val signature = json.getString("signature") if (!verifySignature(payload, signature)) throw LicenseException("License response signature mismatch.")
val response = httpClient.newCall(request).execute() if (!response.isSuccessful) throw LicenseException("Server error ($response.code)")
# APEAKSOFT Toolkit License license.key=AB12CD34EF56GH78IJ90KL12MN34OP56 # Optional – bind to this machine ID (generated by the tool) machine.id=5f4dcc3b5aa765d61d8327deb882cf99 Add it to .gitignore :
✅ License validated. Features enabled: ui, network, analytics, persistence If not, you’ll get a clear error (e.g., LicenseException: License key is invalid or expired. ). import com.apeaksoft.toolkit.network.ApiClient import com.apeaksoft.toolkit.ui.CustomButton apeaksoft android toolkit registration code
// 6️⃣ Build the LicenseInfo object val expires = json.getString("expires") val features = json.getJSONArray("features") val featureSet = mutableSetOf<String>() for (i in 0 until features.length()) featureSet.add(features.getString(i))
// 2️⃣ Build request body val payload = JSONObject().apply put("key", key) put("machineId", machineId) .toString()
return LicenseInfo( key = key, machineId = machineId, expires = expires, features = featureSet ) machineId = machineId
private lateinit var api: ApiClient
override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState)
// Pass the license file path as a JVM argument args = listOf(file("../apeaksoft_license.properties").absolutePath) expires = expires
dependencies // Core (free) components implementation "com.apeaksoft:android-toolkit-ui:1.4.2"
/** * Handles verification of the license key against the remote server. * * The server expects a POST payload: * * "key": "<LICENSE_KEY>", * "machineId": "<MACHINE_ID>" // optional, may be empty string * * * Response (JSON): * false, * "expires": "2027-12-31", * "features": ["ui", "network", "analytics"] * */ object LicenseVerifier
private const val LICENSE_ENDPOINT = "https://license.apeaksoft.com/validate" private val httpClient = OkHttpClient()