SQLiteOpenHelper example

Use SQLiteOpenHelper and use ContentProvider.

1: Android in the operation of the database There are two main methods: the use SQLiteOpenHelper and use ContentProvider. (A) the use of SQLiteOpenHelper: an abstract class, used to provide management and maintenance of the database version of the interfa

android SQLite database using the SQLiteOpenHelper class operation

A, SQLite Introduction Android built-in SQLite is a small relational database. SQLite's official website is http://www.sqlite.org/, can go to download some documents or related information. Blog in a slightly more detailed introduction, we can take a

android SQLiteOpenHelper use the sample

We all know that Android platform provides us with a database helper class to create or open the database, this helper class is inherited from SQLiteOpenHelper class in the class constructor, call the Context of the method to create and open a specified n

Example customized Content Provider android

We all know the key to their shared data and other applications in two ways: create your own Content Provider (that is inherited from a subclass of Content Provider) or your data is added to the existing Content Provider to go after need to ensure that th

SQLiteOpenHelper Application

1.SQLiteOpenHelper SQliteOpenHelper is an abstract class to manage database creation and version management. To use it to achieve its nCreate (SQLiteDatabase), onUpgrade (SQLiteDatabase, int, int) method onCreate: When the database was first established w

Android Introduce (I) concepts and NoteBook example

Android Introduce (I) concepts and NoteBook example 1. Open Handset Alliance Consist of the system View -----> lists, grids, text boxes, buttons, web browser Content Providers -----> access to other applications (for example, contact database) Resou

Department of famous Gate Android (9) - Database support (SQLite),

Department of famous Gate Android (9) - Database support (SQLite), the content provider (ContentProvider) Author: webabcd Android describes the use of SQLite, ContentProvider Database support (SQLite) - Android development platform provides the operation-

android Study Summary 3

1 activity can be inherited extended ListActivity For example: class DummyNote extends ListActivity ( private String [] note_array = ( "gasolin", "crota", "louk", "magicion" ); ListAdapter adapter = new ArrayAdapter

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

Content Providers

Source: http://developer.android.com/guide/topics/providers/content-providers.html Key classes ContentProvider ContentResolver Cursor In this document Content provider basics Querying a content provider Modifying data in a provider Creating a content prov

Android Development of four methods to save the data

Android Development of four methods to save data in this paper the sea from the East Fangshang Zhi Shen CSDN blog, please mark reproduced Source: http://blog.csdn.net/sdhjob/ In the Android development will be exposed to four kinds of data storage me ...

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 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

Create your own Android content provider

In a previous blog , it has to introduce how to use the content provider, if you need to create your own cotent provider, also is the custom own unique, you need to do is very simple, that is derived from the abstract class ContentProvider out of you own

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

Understanding of the first week of android

android first met, I wrote a state school - the initial small A, feel quite lovely. This is a day to see Chan doing the boss shows a message written in response to the Helloworld time, of course, is not it, but because Android is based on love and I had a

(Transfer) Android SQLite

SQLite is available on the Android device itself. The executable is in the / system / bin directory of the device. You can see that this directory contains the shell commands like ls, ps, etc., As well as sqlite3, dalvikvm, and dexdump utilities. Code Lis

android database operations

Android uses a relational database SQLite3, which is a lightweight embedded database support for SQL, the embedded operating system has a wide range of applications, WM is used SQLite3 On too, the principle of things not mentioned in this article, but if

Android Database Usage notes

Android SQLite database in the study, you must realize this, the current system, integrated in the Android version is SQLite3, SQLite is an open source embedded database, he supported NULL, INTEGER, REAL, TEXT, and BLOB data types not supported static dat

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 development using SQLite databases

SQLite Introduction SQLite a popular embedded database, it supports the SQL language, and only use very little memory there is a very good performance. In addition, it is open source, anyone can use it. Many open source projects ((Mozilla, PHP, Python) ar

Enjoy Android Java technology applications Feast

Getting started This article describes the complex situation of several Android SDK tools. Develop Android applications that require the latest version of Android SDK, which requires a Java Development Kit (JDK). I am using Android 2.2 and JDK 1.6.0_17 (l

Android (c) of the data storage of a three-SQLite embedded database

The first two logs I have summarized the first two local data storage: files and configuration items. The last remaining database storage - SQLite. A, SQLite Introduction In the Android platform, integrates an embedded relational database-SQLite, SQLite3

Android SQLite Introduction

A, 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 (binary object) data types, although it supports the type although

Android ContentResolve

Modify data The following methods can be modified through the control of the data content provider: * Add new record * Add a new record for the value of existing * Batch update existing records * Delete records Call ContentResolver way to do data modifica

Android Content Provider [transfer]

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 a realization of a s

Summary of database operations

public ArrayList getUsers(){ DBAdapter dbAdapter=DBAdapter.getDBAdapterInstance(this); try { dbAdapter.createDataBase(); } catch (IOException e) { Log.i("*** select ",e.getMessage()); } dbAdapter.openDataBase(); String query="SELECT * FROM user;"; ArrayLi

The SQlit database operations Android Tutorial

I am my summary of database operations on the android notes, is now for everyone to share android.database.sqlite.SQLite OpenHelperpublic SQLiteOpenHelper ( Context context, String name, SQLiteDatabase.CursorFactory Factory, int Version) Create a hel

Using and creating Content Provider

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 a realization of a s

android first day (a modicum of success, scattered points)

Good post, go here recorded. Original Address: http://topic.csdn.net/u/20101021/16/B605909C-56F8-41A0-B209-269FEDD51841.html Of: ptzxzc 1. The sdk copied to the android-sdk-windows \ platforms the next. If there is a network, then on android-sdk-windows a

Android SQLite Learning

A, 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 (binary object) data types, although it supports the type alt

In Android, Android uses SQLite database development

SQLite is a very popular embedded database that supports SQL queries, and only very little memory. Android at run time, integrates SQLite, so each application can use Android SQLite database. Log familiar to SQL developers, using SQLite is quite simple. Y

connection to the database android

Android uses a relational database SQLite3, it is a lightweight embedded database support for SQL, the embedded operating on a very broad, WM is also used in SQLite3 On too, the principle of things not mentioned in this article, but if you want to quickly

Managing SMS android

Easy to see the code, while information on the Internet google, while watching the Android java source code. Stumbled upon a class MmsSmsDatabaseHelper.java, the original android all the text information stored in the mmssms.db. SDK is not open this class

2010.10.30 --- Android 03

2010.10.30 --- Android 03 Contents of a ******************************* SQLite Data Manipulation ******************************* name varchar (20) name defines the length of the string 20 which in SQLite which is not a valid only for ease of reading SQLit

Getting Started Android platform sqlite

The following concepts are limited in the Android platform under sqlite3 understand: 1. Database basic concepts: 1.1sqlite through the file to save the database, a file is a database. 1.2 The database also contains a number of forms; Each table contains m

android ListView and ArrayAdapter, SimpleCursorAdapter, SimpleAdapter usage examples

From: 1: http://www.cnblogs.com/wservices/archive/2010/06/17/1759793.html 2: [original technology] serial (12): SimpleCursorAdapter class and data binding 3: http://blog.sina.com.cn/s/blog_6213b4e50100lk9i.html Layout LiveActivity itself inherits a number

content provider in-depth analysis

Content providers are one of the primary building blocks of Android applications, providing content to applications. They encapsulate data and provide it to applications through the single ContentResolver interface. A content provider is only required if

[Android] android sqlite database stored on the sdcard on the issues

Recently met and background of the cpp code apk need access to a database problem. Apk found outside the database created in the process was not allowed to read / write. This need to create a database file on the sdcard. Later found in the SQLiteOpenHelpe

Android Development Summary

Android recently to do some procedures, we have a system to develop a hand-held terminal. While the Android platform in 2007, has just launched some of the time I've done the above development, but the latest version 2.3 is now out, Android still has

android sqlite connection with (by. delete. investigation. change)

Android connect to the database Android uses a relational database SQLite3, it is a lightweight embedded database support for SQL, the embedded operating on a very broad, WM is also used in SQLite3 On too, the principle of things not mentioned in this art

Networked with Android

Network packet Android SDK Package Description java.net Provide networking-related classes, including the flow and packet (datagram) sockets, Internet protocols and common HTTP processing. The package is a multi-functional network resources. Experienced J

Enjoy Android application

Getting started This article describes the complex situation of several Android SDK tools. Developing Android applications, you need the latest version of Android SDK, which requires a Java Development Kit (JDK). I am using Android 2.2 and JDK 1.6.0_17. P

Android development using the SQLite database

About: SQLite is a very popular embedded database that supports SQL queries, and only very little memory. Android at run time, integrates SQLite, so each application can use Android SQLite database. Log familiar to SQL developers, using SQLite is quite si

Android local data store API (b) (transfer)

SQLite database using the Android SQLite provided through the support of the local relational database. Table (as defined in the following code list) summarizes the sample application used in the important database class. The sample application uses a DBH

Android's ContentProvider

Develop their own applications ContentProvider (ContentProvider is an abstract class, inheritance, we must implement the abstract method) 1 structure CONTENT_URI CONTENT_URI = "content: / /" + AUTHORITY + "/ diaries" "Content: / /

a brief description of content provider (sdk doc translation)

Content provider Content provider is used to read and store data, use our own data can be shared with others, while other data can be read to allow the case in others. He is the only one can be shared between different applications of data, no public stor

How to connect database android

http://zhidao.baidu.com/question/228660371.html How to connect database android <! - Entry -> Relational database SQLite3, which is a support SQL Lightweight embedded database, the embedded operating on a very broad ,WM Also used SQLite3 On too. Pri

Data Storage - Using Databases [SDK Translation]

Using Databases using the database Android provides full Support for SQLite Databases. Any Databases Create Will you be Accessible by name to any class in the Application, but not outside the Application. Android SQLite database system to provide adequate

The third data storage Android SQLite embedded database (1)

A, 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 (binary object) data type, although it supports the type although
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