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Make downloads faster (#580)

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This commit is contained in:
Imran Remtulla
2025-03-07 14:46:51 -05:00
parent 0fd496e660
commit 4200e1d954
1 changed files with 35 additions and 9 deletions
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44
lib/providers/apps_provider.dart
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@ -9,6 +9,7 @@ import 'package:battery_plus/battery_plus.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:http/http.dart' as http;
import 'package:crypto/crypto.dart';
import 'dart:typed_data';
import 'package:android_intent_plus/flag.dart';
import 'package:android_package_installer/android_package_installer.dart';
@ -345,18 +346,43 @@ Future<File> downloadFile(String url, String fileName, bool fileNameHasExt,
// Perform the download
var received = 0;
double? progress;
DateTime? lastProgressUpdate; // Track last progress update time
const throttleDuration = Duration(milliseconds: 100); // Throttle interval
if (rangeStart > 0 && fullContentLength != null) {
received = rangeStart;
}
await response.stream.map((s) {
received += s.length;
progress =
(fullContentLength != null ? (received / fullContentLength) * 100 : 30);
if (onProgress != null) {
onProgress(progress);
}
return s;
}).pipe(sink);
const bufferSizeThreshold = 64 * 1024; // 64KB
final buffer = BytesBuilder(); // Efficiently accumulates bytes
await response.stream
.map((chunk) {
received += chunk.length;
final now = DateTime.now();
if (onProgress != null &&
(lastProgressUpdate == null ||
now.difference(lastProgressUpdate!) >= throttleDuration)) {
progress = fullContentLength != null
? (received / fullContentLength) * 100
: 30;
onProgress(progress);
lastProgressUpdate = now;
}
return chunk;
})
.transform(StreamTransformer<List<int>, List<int>>.fromHandlers(
handleData: (List<int> data, EventSink<List<int>> sink) {
buffer.add(data);
if (buffer.length >= bufferSizeThreshold) {
sink.add(buffer.takeBytes());
}
},
handleDone: (EventSink<List<int>> sink) {
if (buffer.isNotEmpty) {
sink.add(buffer.takeBytes());
}
sink.close();
},
))
.pipe(sink);
await sink.close();
progress = null;
if (onProgress != null) {