android context definition

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

android study notes of the 10 services (Service)

Service has a separate process module. 1, inherited from the Service class, necessary to achieve a public IBinder onBind (Intent intent) 2, triggered by startServie running, stopService terminate the life-cycle operation: onCreate (If this is the fir ...

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

[Change] Android event listener callback methods of

Android event listener interface, as view View class, which contains a number of callback methods, such as: onClick (); onLongClick (); onFocusChange (); onKey (); onTouch (); onCreateContextMenu () and so on. Android The operating system, for the event h

Android Activity and Intent Mechanism Study Notes

Activity Android in, Activity is the root of all programs, all of processes are running in the Activity among, Activity has its own life cycle (see http://www.cnblogs.com/feisky/archive/2010/01/01/1637427 . html, controlled by the system life cycle, ...

Android Bitmap and Canvas

The bitmap is the most commonly used in developing the resources, after all, a pretty interface to users is the most attractive. 1. To get a bitmap from the resource can be used to obtain BitmapDrawable or BitmapFactory bitmap resources. Of course, y ...

android's ContentResolver and ContentProvider

android against data manipulation contains: file, sqlite3, Preferences, ContectResolver with ContentProvider the first three data mode of operation only for the data in this application, the program can not be these three methods to manipulate data w ...

Android basis: Android Content Provider [change]

Android application can use the file or SqlLite database to store data. Content Provider provides a multi-way data sharing between applications, such as: contact information can be more than one application access. Content Provider is to achieve a set of

Android Activity and Mechanism of learning notes Intent

Activity Android in, Activity is the basic of all procedures, all of processes are being run in Activity, Activity has its own life cycle (see http://www.cnblogs.com/feisky/archive/2010/01/01/1637427 . html, controlled by the system life cycle, the progra

study notes of android 10 service (Service)

Service has a separate process module. 1, inherited from the Service class, to achieve public IBinder onBind (Intent intent) 2, triggered by startServie run, stopService termination of life-cycle operation: onCreate (If this is the first run) -> o ...

Android Data Storage

In Android, the alternative storage methods are SharedPreferences, file storage, SQLite database mode, the content provider (Content provider) and network. 1. SharedPreferences way Android available to store some simple configuration information of a mech

Android Intent explained in detail in (turn)

Android explained in detail in the Intent In an Android application is mainly composed of four components, these four components can refer to "Android application form." And these four components are independent, and they call each other, coordi

Android Dev Guide English Version 2 (original, reproduced, please indicate the source) to be continued

Processes and Threads When the first of an application's components needs to be run, Android starts a Linux process for it with a single thread of execution. By default, all components of the application run in that process and thread. However, you ca

android Activity description

Activity in android development is very important, in an application, each display screen is a Activity. So learning android, must have a certain understanding of the Activity. In other forums there are some on the Activity of the introduction, I am here

15 Android sorted out very useful code fragments (skills) ophone

1: see if there are memory card inserted String status = Environment.getExternalStorageState (); if (status.equals (Enviroment.MEDIA_MOUNTED)) ( Help with SD card inserted ) 2: Let a transparent Activity OnCreate is not set Layout this.setTheme (R.style.T

Android Bitmap related

Bitmap related 1. Bitmap rather special because it can not create but only by means of BitmapFactory Also, according to the source image can be divided into the following situations: * Png image, such as: R.drawable.tianjin Java code Bitmap bmp = BitmapFa

Sorted out the 15 Android useful code fragments (skills) ophone

<Transfer from sjl599 http://sjl599.javaeye.com/blog/657993> 1: see if there are memory card inserted String status = Environment.getExternalStorageState (); if (status.equals (Enviroment.MEDIA_MOUNTED)) ( Help with SD card inserted ) 2: Let a trans

The LayoutInflater android

Transfer from: http://weizhulin.blog.51cto.com/1556324/311450 Hello, everybody we talked about this section is LayoutInflater use, in the actual development of species LayoutInflater this class is very useful, its role is similar to findViewById (), ...

On the [Android] strings.xml to use a few

Some source code from the site down, the English version of windows in my discovery of many more or less garbled. Found in the original assignment in the class string is garbled in the res \ value \ strings.xml in the definition can be displayed corr ...

Android Activity type application skills sharing

Android Activity class in the Android operating system, applications are often important. So how can the right to operate in the application of this work? In an application, each display screen is a Activity. So learning Android, must have some understand

Android Developer's Guide - widgets (App Widgets)

Application widget App Widgets Application widget (Widget) is a small application that view, can be embedded in other applications (eg desktop) and receive periodic updates. You can be an App Widget provider to publish a Widget. App Widget can accommodate

Android Developer's Guide - two-dimensional graphics

Two-dimensional graphic 2D Graphics Android offers a custom 2D graphics library, be used to draw graphics and animation. Your package will android.graphics.drawable and android.view.animation find these general categories. This paper briefly describes how

The intent is reproduced Android

The intent is reproduced Android In an Android application, is mainly composed of four components, these four components may refer to "Android application form." And these four components are independent, and they call each other, coordination a

android Data Storage Technology

1. Private data stored xml form (SharedPreferences) SharedPreferences settins = getSharedPreferences ("file name", 0) / / Get a SharedPreferences object Read data: String name = settings.get ("KEY ",""); Write / update data s

The five basic components of Android

The basic components of Android 1.Activity Activity is the basic modules, are called "activities", in the application of an Activity is generally a separate screen. Each activity is implemented as a separate class, and from the activities inheri

Android (3) The third data storage SQLite embedded database

Android (3) The third data storage SQLite embedded database 1, SQLite Introduction In the Android platform, integrates an embedded relational database-SQLite, SQLite3 support NULL, INTEGER, REAL (floating point numbers), TEXT (string text) and BLOB (binar

Android useful snippets of code

1: see if there are memory card inserted String status = Environment.getExternalStorageState (); if (status.equals (Enviroment.MEDIA_MOUNTED)) ( Help with SD card inserted ) 2: Let a transparent Activity OnCreate is not set Layout this.setTheme (R.style.T

android.app.Activity Introduction

The information found in the present Android is not much, but rarely for the Activity of the description, so the introduction of official documents translated android.app.Activity about adding some of their own understanding. If you feel that I understand

Android system, init starts the process of collection of

Android init starts the process of Analysis android startup process, from the core, we should first start from the init file system, because init is the kernel into the file system after the first run of the program, often we can specify linux kernel comm

Android Robot: use of system resources

Android application specific ontology a lot of their resources, all kinds of strings, pictures, animation, style and layout and so can be used in your application. In the code to use system resources and use as your own resources. The difference is t

Documents on the Chinese android

What is Android? Android is a specialized set of software for mobile devices, which includes an operating system, middleware and some important applications. Beta version of the Android SDK provides the Android platform using the Java language for Android

Android Location Map Study Notes

1, system settings and positioning code, we have to set the system's permission, in AndroidManifest.xml the application, add: <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission> <uses-permission

Android platform-based streaming media player design

1 Introduction <br /> As mobile communication technology and the rapid development of multimedia technology, Fusion phone, Internet, multimedia technology as one of the video surveillance technology has made great strides, through the mobile communi

[Change] Android explained in detail in the Intent

In an Android application is mainly composed of four components, these four components can refer to "Android application form." And these four components are independent, and they call each other, coordination and, ultimately, the formation of a

Android's IPC mechanisms in various parts of Binder

The composition of the first part of the Binder 1.1 The driver part of some drivers in the following folder: kernel / include / linux / binder.h kernel / drivers / android / binder.c binder driver is a miscdevice, the major device number 10, the device nu
Recent
Recent Entries
Tag Cloud
Random Entries