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
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.
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
Use of Android URI (Universal Resource Identifier)
Uri 1. Universal Resource Identifier ("URI "). Uri indicates the data to be operated. Each type of resource available on Android-images and video clips can be represented by Uri. A URI is generally
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
For details about ContentProvider and Uri, contentprovideruri1. Use ContentProvider to share dataThe role of ContentProvider in android is to share data externally, that is, you can share the data in the application to other applications through
This article describes the content of the custom content provider and fully resolves the usage of the contents provider. Content Provider, the contents of the provider, I believe that the name of this component are not unfamiliar, may be their usual
1. Use contentprovider to share data
The role of contentprovider in Android is to share data externally.In other words, you can share the data in the application to other applications through contentprovider, and other applications can use
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