getapplication

 What is 1:application?Application, like Activity,service, is a system component of the Android framework. The system creates a Application object when the Android program is started. Some information used to store the system.Usually we do not

This example describes the use of context and global variables in Android programming. Share to everyone for your reference, specific as follows: Today in the context of the study, the application and the context of the activity has a certain

To achieve the Android phone by scanning business cards, get business card information, you can use the pulse-provided Third-party SDK, that is, the Maketion Scancard SDK, Pulse-seeking cloud business card recognition services. Their official

Recently learning SSH, has been do not understand $,%, #的区别, do a little practice, slowly also understand a little, will learn the record down. There is an entity entity: public class Person { private int id; Private String Name;

Package Zhangpgil.photo; Import Java.io.File; Import android.support.v7.app.ActionBarActivity; Import Android.view.View; Import Android.widget.Button; Import Android.widget.ImageView; Import Android.widget.Toast; Import

Functions of onsaveinstancestate function and Onrestoreinstancestate function onsaveinstancestate Function: The state information (UI control state information) used to hold the activity and the information saved by the userOnrestoreinstancestate

Objective Context, which can also be interpreted as an environment, is the basic information that provides the operating environment for some programs. Basically in the development of the project, there is always contact. Android is not like Java

When running each application, the Android system creates a application object that stores the public variables associated with the entire application. An Android application generates only one application object, and the Application object is the

1. Use Application to save global variable amountThere's not much theoretical stuff here, it's just some practical operation.1.1 Defining the Data class inheritance application Data.classandroid. App. Application;public class Data extends

Transferred from: http://blog.csdn.net/jason0539/article/details/18075293The first method:Encountered a problem, need to control another acitivity in one activity to do some updates, did not expect to pass handler method, solve by the following way.1

The Android system creates an object of the application class for each program runtime and creates only one, so application can be said to be a class of singleton patterns. And the life cycle of the Application object is the longest in the whole

Application ClassIn Android, launch an app that first initializes the application and then checks the androidmanifest.xml manifest file with it to select the activity that needs to start first.In activity, you can use the Getapplication () method to

Recently encountered a fairly good, beginner-friendly project that describes how to parse JSON data and load it into a ListView.But personally, this tool can be used in all future implementations of similar functions.Projects can also use this

Generally, programs are written under the pressure of the Project Plan. The Code completed at this time can complete the specific business logic, but the performance is not necessarily optimized. Generally, excellent programmers constantly rebuild

If you encounter a problem, you need to control the other acitivity in an activity for some updates. Instead of passing the handler method, you can solve it in the following ways. 1. Define the property handler in MyAPP Package jason.com; import

In the previous article. Inter-thread communication ITCUnder normal circumstances, the function call stack will survive in the same Thread. to switch the execution logic to other threads, you can create a new Thread and start (). Another method is

Before using the API, You need to obtain the Baidu map mobile API Key, which is related to the program name you reference the API. For details, see apply for API KEYhttp: // dev.baidu.com/wiki/static/imap/key/Baidu map API supports Android 1.5 and

Application conceptsOfficial interpretation: Base class for those who need to maintain global application state. you can provide your own implementation by specifying its name in your AndroidManifest. xml's tag, which will cause that class to be

Mlocationclient = ((locationapplication) getapplication ()). Mlocationclient;1This code has been problematic, causing the program to crash at runtimeThe problem is ((locationapplication) getapplication ()). Locationapplication is a custom class and

This is 10 important points that CNX has summarized in its ExtJS project development. Sometimes we use ExtJS to build new applications from scratch, but sometimes our customers will ask us to use their own code, it also helps them improve