isAnimCached method
动画是否已缓存
anim 动画相对地址
dir 动画存储地址,不传默认使用getAnimCacheDir的地址
Implementation
Future<bool> isAnimCached({required String anim, String? dir}) async {
try {
final cacheDir = dir ?? getAnimCacheDir();
String cachePath = "$cacheDir$anim";
File cacheFile = File(cachePath);
return await cacheFile.exists();
} catch (e) {
return Future.value(false);
}
}