如何获取和使用AppScope中配置的资源？

"icon":"$media:app_icon", "label": "$string:app_name"
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let bundleFlags = bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_APPLICATION; 
bundleManager.getBundleInfoForSelf(bundleFlags).then((bundleInfo) => { 
  console.log('getBundleInfoForSelf successfully. Data: %{public}s', JSON.stringify(bundleInfo)); 
  this.appIcon = bundleInfo.appInfo.icon; 
  this.appName = bundleInfo.appInfo.label; 
  this.appVersionInfo = bundleInfo.versionName; 
}).catch((err: BusinessError) => { 
  console.error('getBundleInfoForSelf failed. Cause: %{public}s', err.message); 
});
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