Kuei-Jung Hu akueisara

zip v.s. combine

zip: Emits only when both flows have emitted values. If one flow emits more frequently than the other, it will suspend until the slower flow emits.

combine: Emits as soon as one of the flows emits, using the latest value from the other flow.

sealed class LinkedList

	val request = OneTimeWorkRequestBuilder<YourWorker>()
	// OutOfQuotaPolicy.RUN_AS_NON_EXPEDITED_WORK_REQUEST, which causes the job to run as an ordinary work request
	// OutOfQuotaPolicy.DROP_WORK_REQUEST, which causes the request to cancel if there is not sufficient quota.
	.setExpedited(OutOfQuotaPolicy.RUN_AS_NON_EXPEDITED_WORK_REQUEST)
	.build()

	WorkManager.getInstance(context).enqueue(request)

	val constraints = Constraints.Builder()
	.setRequiresCharging(true)
	.build()

	val work = PeriodicWorkRequestBuilder<MyWorker>(
	// repeatInterval (the period cycle), its minimum is 15 minutes
	1, TimeUnit.HOURS,
	// flexInterval, its minimum is 5 minutes
	15, TimeUnit.MINUTES)
	.setConstraints(constraints)

	WorkManager.getInstance()
	// These three work requests run in parallel
	.beginWith(Arrays.asList(
	filterImageOneWorkRequest,
	filterImageTwoWorkRequest,
	filterImageThreeWorkRequest))
	// The output from the filter WorkRequests
	// will be passed as the input of compress WorkRequest
	.then(compressWorkRequest)
	.then(uploadWorkRequest)

	// 1. Create the Constraints
	val constraints = Constraints.Builder()
	.setRequiredNetworkType(NetworkType.CONNECTED)
	.build()

	// Other supported Constraints
	val exampleConstraints = Constraints.Builder()
	.setRequiresBatteryNotLow(true)
	.setRequiredNetworkType(NetworkType.CONNECTED)
	.setRequiresCharging(true)

	class UploadWorker(appContext: Context, workerParams: WorkerParameters)
	: Worker(appContext, workerParams) {

	override fun doWork(): Result {
	try {
	// Get the input, where this inputData is set when building the WorkRequest
	val imageUriInput = inputData.getString(Constants.KEY_IMAGE_URI)

	// Do the work
	val response = upload(imageUriInput)

	WorkManager.getInstance().cancelWorkById(uploadWorkRequest.id)
	WorkManager.getInstance().cancelAllWorkByTag("sometag")

	/*
	* Copyright (C) 2019 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software

	xcodebuild archive ONLY_ACTIVE_ARCH=NO \
	-scheme YourFrameworkName \
	-destination "generic/platform=iOS Simulator" \
	-archivePath YourFrameworkName-iphonesimulator.xcarchive \
	-sdk iphonesimulator \
	SKIP_INSTALL=NO \
	BUILD_LIBRARY_FOR_DISTRIBUTION=YES

	xcodebuild archive \
	-scheme YourFrameworkName \