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Code Issues Releases Wiki Activity

Fix the download progress not updating

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Integer roundoff errors...
This commit is contained in:
Bradlee Speice
2014-11-20 23:19:06 -05:00
parent 06ae1c0ed6
commit 90db3e6a1a
4 changed files with 38 additions and 26 deletions
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6
app/src/main/kotlin/org/bspeice/minimalbible/activity/downloader/manager/BookManager.kt
View File

@ -114,8 +114,10 @@ class BookManager(private val installedBooks: Books, val rM: RefreshManager) :
val job = ev.getJob()
bookMappings.filter { it.getKey() == job.getJobID() }
.map {
val event = DLProgressEvent(job.getWorkDone() / job.getTotalWork() * 100,
it.getValue())
// We multiply by 100 first to avoid integer truncation
// Also avoids roundoff error. Neat trick, but I'm spending just as much time
// documenting it as implementing the floating point would take
val event = DLProgressEvent(job.getWorkDone() * 100 / job.getTotalWork(), it.getValue())
downloadEvents onNext event
if (job.getWorkDone() == job.getTotalWork()) {

2
app/src/main/kotlin/org/bspeice/minimalbible/activity/downloader/manager/DLProgressEvent.kt
View File

@ -12,5 +12,5 @@ class DLProgressEvent(val progress: Int, val b: Book) {
val PROGRESS_BEGINNING = 0
}
fun toCircular() = progress.toFloat() * 360 / 100
fun toCircular() = (progress.toFloat() * 360 / 100).toInt()
}