摘要：Class OverviewAsyncTask enables proper and easy use of the UI thread. This class allows to perform background operations and publish results on the UI thread without having to manipulate threads and/or handlers.AsyncTask is designed to be a helper class around Thread and Handler and does not constit 阅读全文

摘要：@TargetApi and @SuppressLint have the same core effect: they suppress the Lint error.The difference is that with @TargetApi, you declare, via the parameter, what API level you have addressed in your code, so that the error can pop up again if you later modify the method to try referencing something 阅读全文