private static class

Analysis on program suspension caused by calling getActivity () method in Robotium, getactivity1. Problem background description In work, you need to directly use robotium to test the target android platform launcher without the project source code.

In all design patterns, Singleton mode is one of the most common design patterns in our project development, and there are many ways to implement the singleton pattern, do you know it? How do you guarantee the thread safety of a singleton mode in

[Android Notes] AsyncTask source code analysisWhen I was a beginner in AsyncTask, I wanted to study its implementation source code. I did not understand the source code several times, so I put it on hold. Recently, I have read some source code, such

Introduction to the Android string formatting open-source library phrase In the previous blog, Android uses String. the format (dynamically changed) is used to display String resources. format to format string. the String in the xml file. This

Stack top is a sequence   [Java]Public class ConcurrentStack {AtomicReference top = new AtomicReference ();Public void push (E item ){Node newHead = new Node (item );Node oldHead = null;Do {OldHead = top. get ();NewHead. next = oldHead;} While

As the note says/** * Created by weiwei22 on 17/7/3. * * This is mainly to demonstrate the problem of data inconsistency caused by stop. Stop will violently end the thread and release the lock, so it is possible to stop and release the lock when

Give me a chestnut.About the Reference object, the document of the Java.lang.ref package said a bunch, run up to see is the kingly,publicclass Foo { @Override protectedvoidfinalizethrows Throwable { System.out.println("finalize#"this);

Comparablecomparable is the sort interface.If a class implements the comparable interface, it means "this class supports sorting." The class that implements the comparable interface supports sorting, assuming that there is now a list (or array) of

The Equals method in the object class is used to detect whether an object is equal to another object. In the object class, this method determines whether two objects have the same reference, and if two objects have the same reference, they must be

Web caseThere is currently a 2005, STRUTS1-based Web project A, whose validation part relies on Master SSO (Single Sign-on). When requesting site A, the user will be forced to take the SSO authentication, after authentication, the master will

Objective:Because of the time relationship before, the "producer consumer problem" is not introduced in the blog essay, so this article as a supplement to the previous "multithreading" article.Concept :Producer Consumer issues (Bounded-buffer

Introduction to the Android string formatting open-source library phrase. Android String formatting open-source library phrase introduced in the previous blog Android through String. the format-based (dynamically changed) String resource display

Reprint Please specify source: http://cantellow.iteye.com/blog/838473The first type (lazy, thread insecure):Java code public class Singleton { private static Singleton instance; Private Singleton () {} public static

PublicFinal AsynctaskExecute(Params ...params) {returnExecuteonexecutor (Sdefaultexecutor,params); } PublicFinal AsynctaskExecuteonexecutor(Executor exec, Params ...params) {if(Mstatus! = status.pending) {Switch(Mstatus) { CaseRUNNING:Throw

I ItsThe basic usage of jfilechooser is still very simple. The following two examples show how to use jfilechooser. If you want to add some functions, you can add a filter to display only the filtered files.When saving the file, if the file

Tips for improving the performance of Android ListView How does ListView work? ListView is designed to meet requirements for scalability and high performance. In fact, this means that ListView has the following two requirements: Create as few views

Working principle of AsyncTask in Android In the previous blog "AsyncTask usage in Android", we mentioned that AsyncTask is a combination package for Thread and Handler. This article will explain how AsyncTask works. Source code link

Summarize the usage and organization of Java internal classes, and analyze java ========================================================== ======================Author: qiujuerBlog: blog.csdn.net/qiujuerWebsite: www.qiujuer.netOpen-source Library:

1. Using BundlesThe activity, service, and receiver in Android support the delivery of bundle data in Intent, and the bundle implements the Parcelable interface, which can be conveniently transferred between different processes. When we start the

Crosscompatibility.rar1.Versionedgesturedetector.javaImportAndroid.content.context;importAndroid.os.build;importAndroid.util.log;importAndroid.view.motionevent;importAndroid.view.scalegesturedetector;public Abstract classVersionedgesturedetector