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fix: improve app icon loading and caching in InstalledAppsWidget （#739）

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wanghongenpin
2026-05-12 05:24:05 +08:00
parent 980b8b3037
commit fa990cd520
1 changed files with 44 additions and 5 deletions
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49
lib/ui/mobile/setting/app_filter.dart
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@@ -13,8 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:proxypin/l10n/app_localizations.dart';
@@ -321,6 +319,7 @@ class InstalledAppsWidget extends StatefulWidget {
class _InstalledAppsWidgetState extends State<InstalledAppsWidget> {
static List<AppInfo>? apps;
static bool includeSystemApps = false;
static final Map<String, Future<AppInfo>> _iconFutureCache = {};
RxBool loading = false.obs;
@@ -338,9 +337,10 @@ class _InstalledAppsWidgetState extends State<InstalledAppsWidget> {
@override
void dispose() {
DelayedTask().debounce("InstalledAppsWidget_release", const Duration(seconds: 10), () {
DelayedTask().debounce("InstalledAppsWidget_release", const Duration(seconds: 60), () {
apps = null;
includeSystemApps = false;
_iconFutureCache.clear();
});
super.dispose();
}
@@ -348,7 +348,7 @@ class _InstalledAppsWidgetState extends State<InstalledAppsWidget> {
void refreshApps() async {
try {
loading.value = true;
apps = await InstalledApps.getInstalledApps(true, includeSystemApps: includeSystemApps);
apps = await InstalledApps.getInstalledApps(false, includeSystemApps: includeSystemApps);
} finally {
loading.value = false;
}
@@ -414,7 +414,7 @@ class _InstalledAppsWidgetState extends State<InstalledAppsWidget> {
itemBuilder: (BuildContext context, int index) {
AppInfo appInfo = appInfoList[index];
return ListTile(
leading: Image.memory(appInfo.icon ?? Uint8List(0)),
leading: _buildAppIcon(appInfo),
title: Text(appInfo.name ?? ""),
subtitle: Text(appInfo.packageName ?? ""),
onTap: () async {
@@ -423,4 +423,43 @@ class _InstalledAppsWidgetState extends State<InstalledAppsWidget> {
);
});
}
Widget _buildAppIcon(AppInfo appInfo) {
final icon = appInfo.icon;
if (icon != null && icon.isNotEmpty) {
return Image.memory(icon);
}
final packageName = appInfo.packageName;
if (packageName == null || packageName.isEmpty) {
return const Icon(Icons.question_mark);
}
final future = _iconFutureCache.putIfAbsent(
packageName,
() => InstalledApps.getAppInfo(packageName),
);
return FutureBuilder<AppInfo>(
future: future,
builder: (BuildContext context, AsyncSnapshot<AppInfo> snapshot) {
final loadedIcon = snapshot.data?.icon;
if (loadedIcon != null && loadedIcon.isNotEmpty) {
return Image.memory(loadedIcon);
}
if (snapshot.hasError) {
return const Icon(Icons.question_mark);
}
return const SizedBox(
width: 24,
height: 24,
child: Center(
child: CircularProgressIndicator(strokeWidth: 2),
),
);
},
);
}
}