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March 10, 2019 14:30
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Gists to embed in WorkManager blog. Full code is available at https://github.com/aruke/WorkManagerDemo.
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| class NetworkWorker(private val context: Context, private val params: WorkerParameters) : Worker(context, params) { | |
| override fun doWork(): Result { | |
| // Get the input data | |
| val userData = params.inputData.getStringArray(KEY_USER_DATA) | |
| val secretKey = params.inputData.getString(KEY_SECRET_KEY) | |
| secretKey ?: run { | |
| Log.e(TAG, "doWork: SecretKey not found in WorkParams") | |
| return Result.failure() | |
| } | |
| MockNetworkCall.initializeWithParameters(context, secretKey) | |
| return try { | |
| val result = MockNetworkCall.doLongRunningNetworkCall(userData) | |
| Result.success(result.toOutputData()) | |
| } catch (ioError: IOException) { | |
| // This means there was a problem with network. | |
| Result.retry() | |
| } catch (otherError: Exception) { | |
| Result.failure() | |
| } | |
| } | |
| companion object { | |
| private const val TAG = "NetworkWorker" | |
| private const val KEY_USER_DATA = "key_user_data" | |
| private const val KEY_SECRET_KEY = "key_secret_key" | |
| const val NAME = "com.quipper.wmdemo.NetworkWorker" | |
| fun buildRequest(secretKey: String, userData: Array<String>): OneTimeWorkRequest { | |
| val inputData = Data.Builder() | |
| .putString(KEY_SECRET_KEY, secretKey) | |
| .putStringArray(KEY_USER_DATA, userData) | |
| .build() | |
| val constraints = Constraints.Builder() | |
| .setRequiredNetworkType(NetworkType.CONNECTED) | |
| .setRequiresCharging(true) | |
| .build() | |
| return OneTimeWorkRequest.Builder(NetworkWorker::class.java) | |
| .setInputData(inputData) | |
| .setConstraints(constraints) | |
| .setBackoffCriteria(BackoffPolicy.EXPONENTIAL, 15, TimeUnit.MINUTES) | |
| .build() | |
| } | |
| } | |
| } |
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