How to implement singleton pattern in Android

In this article, the editor introduces in detail "how to achieve the singleton pattern in Android", the content is detailed, the steps are clear, and the details are handled properly. I hope that this article "how to achieve the singleton pattern in Android" can help you solve your doubts.

Simple form:

Public class Single {private static Single single=new Single (); public static Single instance () {return singlel;}}

Complex:

Public class Single {private static Single single; public static Single instance () {if (single==null) {single=new Single ();} return singlel;}}

Thread lock:

Public class Single {private static Single single; public static Single instance () {synchronized (Single.class) {if (single==null) {single=new Single ();}} return single;}}

Double lock type:

Public class Single {private static Single single; public static Single instance () {if (single==null) {synchronized (Single.class) {if (single==null) {single=new Single ();} return single }} here, the article "how to implement singleton pattern in Android" has been introduced. If you want to master the knowledge points of this article, you still need to practice and use it yourself. If you want to know more about related articles, welcome to follow the industry information channel.