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October 10, 2017 04:25
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data class Result<out T>(val success: T? = null, val error: Throwable? = null) | |
private fun loadData() = launch(uiContext) { | |
view.showLoading() // ui thread | |
val task = async(bgContext) { dataProvider.loadData("Task") } | |
val result: Result<String> = task.await() // non ui thread, suspend until the task is finished | |
if (result.success != null) { | |
view.showData(result.success) // ui thread | |
} else if (result.error != null) { | |
result.error.printStackTrace() | |
} | |
} |
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