getAppInfo static method
Returns AppInfo metadata (label, system flag, version, install times)
for packageName, or null if the package cannot be resolved.
Implementation
static Future<AppInfo?> getAppInfo(String packageName) async {
final response = await _channel.invokeMethod('getAppInfo', {
'packageName': packageName,
});
if (response == null) return null;
return AppInfo.fromMap(response as Map);
}