android context definition

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Android Context instance for other packages and then do bad things

Android has the concept of Context, presumably we all know. Context can do many things, open the activity, sending radio, open the package under the folder and database access classLoader, access to resources and so on. If we get a package of Context

Android application context / activity context and memory leaks

In the android in the context can be used for many operations, but the main function is to load and access to resources. There are two in the android context, one is the application context, one is the activity context, usually between the methods in a va

example of inter-process communication service android

Service between the two processes need to communicate, it would take after take object serialization to send each other. Android provides a AIDL (Android Interface Definition Language) tool to handle serialization and communication. This situation needs t

example of inter-process communication services android

Service between the two processes need to communicate, you need to make each other after object serialization to send. Android provides a AIDL (Android Interface Definition Language) tool to handle serialization and communication. This situation needs to

In-depth Android [3] - Component entry

Android Components Original Address: http://www.cnblogs.com/duguguiyu/archive/2010/01/30/1659980.html Cross as many different angles, near and far different level. - "Title Xilin Wall" Component (Component), referring to the so-called time struc

Examples of learning HelloAndroid Android development

After the recent completion of the project, idle boredom, the want to learn C, C + +, on very poor, and too hard, used java development, I recall my colleagues, do not dry, learning Android, then began to study their development of Android . This article

Android Snake game in learning (3)

View VIew class Snake, the main focus of learning classes. package com.easyway.dev.android.snake; import java.util.ArrayList; import java.util.Random; import android.content.Context; import android.content.res.Resources; import android.os.Bundle; import a

Android in learning the game Snake (c)

View VIew class Snake, the main focus of learning classes. package com.easyway.dev.android.snake; import java.util.ArrayList; import java.util.Random; import android.content.Context; import android.content.res.Resources; import android.os.Bundle; import a

Android development platform is an open platform, which is located in the top four application development framework, will inevitably involve Android components. This article will explain to you Android components.

Android development platform is an open platform, which is located in the top four application development framework, will inevitably involve Android components. This article will explain to you Android components. Component (Component), referring to the

Android uses [AIDL] calling external services

In Android in fact, a service that the service is rather an interface that is named: Android Interface Definition Language, this interface provides access to services across the process, the English abbreviation: AIDL. The advantage of such services, more

AIDL --- Android's remote interface (3)

Use AIDL (Android Interface Description Language) design and use of remote interface Articles Category: Mobile Development Keywords: aidl, android directory 1 Use AIDL (AndRoid Interface Description Language) design and use of remote interface 1.1 Impleme

Use AIDL (Android Interface Description Language) design and use of remote interface

Directory 1 Use AIDL (AndRoid Interface Description Language) design and use of remote interface 1.1 IPC implementation using AIDL 1.1.1 Creating a AIDL file 1.1.2 implement the interface Public interface to the client 1.1.3 1.1.4 the value of using the p

(Transfer) Android Service

In many cases, some users rarely need to interact with the application, we generally let them run in the background on the line, but they are running in the meantime we can still run other applications. To address this background process, Android introduc

Android aidl interface to the remote call

1 Use AIDL (AndRoid Interface Description Language) design and use of remote interface 1.1 IPC implementation using AIDL 1.1.1 Creating a AIDL file 1.1.2 implement the interface Public interface to the client 1.1.3 1.1.4 the value of using the parameters

Android service service notes

Service is an android in the higher priority system components, he is not a separate process is not a thread! Is described in the document: A Service is not a separate process. The Service object itself does not imply it is running in its own process; unl

Project experience --- Android platform process communication (IPC) should pay attention to the problem

Recently busy with a project involving the Android platform, inter-process communication (IPC) issues, the structure of the problem due to the project encountered a series of data transmission, synchronization problems, people hurt `~~~~~~~ eggs ~, of wha

classic android face questions

Android classic interview questions 1, Android dvm process and the Linux process, the application process is the same concept as the DVM means dalivk the virtual machine. Every Android application runs in its own process to run, have an independent Dalvik

[Switch] [push] Android.mk file syntax and the use of templates

Android.mk file syntax under eoeandroid on the serial, some update, modify and processing light. Today translation ANDROID-MK.TXT file (English original file / development / Ndk / Docs / android-mk.txt) Android.mk file syntax specification Introduction: A

Android platform, the four methods of data stored

For most of us are familiar with the software has the characteristics of a typical application of existing data according to different needs to get the corresponding results. For example, our most popular Office word, Excel, PowerPoint and other office so

Android.mk file syntax specification

Introduction: Android.mk compiled file is used to describe Android NDK your C, C + + source code file, this document describes its syntax. Before reading the content below, assuming you have read the docs / OVERVIEW.TXT file to learn about the color of th

to read properties file android

java properties frequently used files, and then by using the Properties class to parse, and is not state the benefits of using the properties file, mainly on how to use properties file in the android! Method One: because in the end flow of documents

Android building System Analysis

Want to learn a system, I usually start from the makefile or building system, the system elements in order to understand why? Directory structure for that? For Android , I am no exception. By understanding the building system, we can know how to add,

android avoid memory leaks

Original link is unknown: if people know the original link, please let me know. I re-edit with the link Android applications are limited to 16MB of heap to run, at least in the T-Mobile G1 is the case. For mobile phones, this is a great memory; but for so

Android development of learning one. Development environment to build

First, the development environment to build 1.1 Introduction Baidu is a ******, Android under the know. Introduce a few terms: ADT (Android Development Tools, android development tools). DDMS debug monitor service. AVD (Android Virtual Devices, andro

Chapter I: Android entering the door (Style style, and Button events)

Add color to the TextView main.xml file with the style = "@ style/DavidStyleText1" <?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://

Service

1. Service Life Cycle (1) Service life-cycle is only onCreate, onStart and onDestroy, there is no onResume, onPause and onStop. If you onCreate or onStart to do some very time-consuming things, it is best to start a thread to complete, because if the Serv

spring2.5 and ibiats 2.x, hibernate 3.x integration of the Service Configuration

1: spring2.5 configuration and integration ibiats 2.x 1.WEB-INF directory jdbc.properties (WEB-INF/jdbc.properties) jdbc.driverClassName=net.sourceforge.jtds.jdbc.Driver jdbc.url=jdbc:jtds:sqlserver://192.168.1.3:1433/club jdbc.username=club jdbc.password

Struts2 + Spring + iBatis based on the best practices for web applications one of the series (auto-configuration chapter)

With the recent bit of time, wish to write something hands-on, one regarded as the time to the project of their own experience of a summary of the other, and we also hope to explore the best practices under the theme. Strange to say also on the network on

BeanPostProcessor PropertyPlaceholderConfigurer

3.7. Container extension points Spring Framework's IoC container is designed to be extensible. Usually we do not need to subclass the various or implementation class. Through a variety of integrated plugin interface to allow for expansion. The fo ...

spring3.0 mvc learning

An environment eclipse spring3.0 tomcat6.0.13 jdk1.6 The jar used packets: spring-related: org.springframework.aop-3.0.1.RELEASE-A.jar, org.springframework.asm-3.0.1.RELEASE-A.jar, org.springframework.beans-3.0. 1.RELEASE-A.jar, org.springframework.c ...

Eclipse Development struts Complete Guide

1, ready to install program 1, JDK 5.0 installation program downloads 2, tomcat 5.5.9 Download Download Address: http://jakarta.apache.org/site/downloads/downloads_tomcat-5.cgi The latest version is 5.5.11alpha version, because it is beta, so there may be

Build Java Web development environment under Windows

Summary 1. SSH development of related software and development kit download 2. Software installation and related settings 3. Simple Web program 1. Software Downloads in D drive to build a directory JavaTools, used to store the downloaded software and deve

spring using the CGLIB proxy

Java code package com.bjsxt.spring; public class UserManagerImpl ( public void addUser (String name, String password) ( System.out.println ("UserManagerImpl.addUser () - name:" + name); ) public void delUser (int id) ( System.out.println (

Works with the eclipse build and publish JSP servlet

1. Open the eclipse, select 【File】 | 【New】 | 【Project】 2. Select】 【Tomcat Project and click Next, enter the project name 【TestTomcat, to choose the next step will be】 【Can update context definition tick, click Finish. 3. Create a servlet class: Right-clic

Principles and Spring AOP interceptor

Principle AOP (Aspect Oriented Programming), that is, aspect-oriented programming techniques. IoC AOP-based foundation, is a useful complement to OOP. AOP will apply the system is divided into two parts, the core business logic (Core business concerns) an

Spring configuration of PropertyPlaceholderConfigurer

<bean> <property name="location"> <value>/WEB-INF/reportConfig.properties</value> </property> <property name="fileEncoding" value="utf-8"/> </bean> 1.<bean> 2. <property name="locations"> 3. <l

android how to access resources in the non-context environment

When doing store demo encountered a situation that their own class (subclass of non-context) android need to access related resources from the start I do not know how to start. google a bit to find a way: / ** * @ Author eric * Custom application, so

android map their own definition of zoombutton

zoombutton own definition of the map zoom in with the other activity, as shown below to customize the map zoom example: First, the definition in the xml layout file: <ZoomControls android: id = "@ + id / zoom" android: gravity = "bottom

Android to get an instance of the other packages and then do bad things Context

Android has the concept of Context, surely we all know. Context can do many things, open the activity, send a broadcast, under the folder to open the package and database access classLoader, access to resources and so on. If we get a package of Conte

Android -------- Avtivity from a package in another package to create another Context

Android has the concept of Context, surely we all know. Context can do many things, open the activity, send a broadcast, under the folder to open the package and database access classLoader, access to resources and so on. If we get a package of Context ob

The Context on Android

The more general problem you are encountering is how to save stateacross several Activities and all parts of your application. A staticvariable (for instance, a singleton) is a common Java way of achievingthis. I have found however, that a more elega

android topics in (theme) of the definition of

android applications in the definition of the theme is used to display style, which is defined and the definition of the same style as follows: <? Xml version = "1.0" encoding = "utf-8"?> <resources> <style name="it

The use Android in MenuInflater (layout definition menu)!

Hello everybody, we are talking about the last section is LayoutInflater use, and this section I will talk about MenuInflater, by definition, LayoutInflater analysis is used to define the layout of the file under the layout, then MenuInflater is not defin

android notes --- Android Theme and Styles inside the definition of resolution

Yesterday we mentioned about the theme AndroidManifest.xml Activity defined methods to achieve without the title by way of the Activity using the xml to make your way without the title referred to in the article, many users do not understand why, in fact

Android to get other packages Context instance and then call its methods

Android has the concept of Context, surely we all know. Context can do many things, open the activity, send a broadcast, under the folder to open the package and database access classLoader, access to resources and so on. If we get a package of Context ob

android Definition Color and Drawable

In the android in the textview in if you want to set the background color or font color, as follows: <TextView android:text="@+id/str_1" android:id="@+id/myTextView03" android:autoLink="all" android:textColor="@color/red" android:background="@color/whi

Android Style style definition

Specify style: style = "@ style/DavidStyleText1" Style definitions:

Android can be their own definition of heap memory size

For some large projects or games for Android in the algorithm handling of the issue, the impact of a major performance bottleneck is the memory management mechanism of its own Android, mobile phone manufacturers now have more RAM mean fluency for the

Android-based: Android Content Provider [change]

Android application can use the files or SqlLite database to store data. Content Provider provides a multi-way data sharing between applications, such as: contact information can be multiple applications to access. Content Provider is a realization of a s

Android in the Service of

In many cases, some users rarely need to generate interactive applications, we generally let them run in the background on the line, but also in their run-time we can still run other applications. In order to deal with this background process, Android int
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