Uri, URL, and urn are the standard way to identify, locate, and name resources on the Internet. This article analyzes the URI and URL classes (and URL-related classes) of Uri, URL and urn and Java APIs, and demonstrates how to use these classes in
java.netClass URI
Rr.
Extends Object implements comparable
Represents a Uniform Resource identifier (URI) reference.
In addition to some of the nuances mentioned below, instances of this class represent a URI reference, which is defined in the
Java.net
Class URI
public final class URI
Extends object
Implements comparable
>, Serializable
Indicates a Uniform Resource Identifier (URI) reference.
Except for some minor differences mentioned below, such instances represent a URI
First, prefaceThe past has been confused about what is the URI what is the URL, it is time to make a good understanding of them! This article as a study note, in order to query later, if there are flaws please correct me!Second, from the URI.1.
ms-appdata://can reference app files from your app's local, roaming, and temporary data foldersMs-appdata:///local/hello/logo.pngms-appx://can reference application files from the app packageMs-appx://[email protected]/default.htmlMS-RESOURCE://can
the difference between a URL and a URI: https://danielmiessler.com/study/url-uri/(Wiki explained)? There are many classic high-tech debates, and the question of what formally calls Web addresses is one of the most nuanced. This usually manifests
Once you have a URI object, you can call getauthority (), getfragment (), gethost (), getpath (), getport (), getquery (), getscheme (), getschemespecificpart () and getuserinfo () methods to extract multiple components. You can also call isabsolute
Details about ContentProvider components in Android
I. Four Android Components
The four main components of Android are Activity, Service, Content Provider, and Broadcast Receiver.
Activity acts as a program interface and interacts directly with
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