auto sync data android

Hi everyone! Today we will focus on the usage of SQLite in Android. Easy: The office room and the programmer in the office room;Programmers write programs and exchange wine with the program.When you wake up, you just sit online and get drunk and stay asleep;Drunk wine wake up day after day, online next year after year.I hope the computer room will never bow to the boss;Mercedes Benz and BMW are fun and programmers on the bus.When others laugh at me, I

The example in this article describes how Android uses SQLite to store data. Share to everyone for your reference, specific as follows: Generally in the development program, regular use of data storage functions, such as the use of Delphi development program, the storage program's simple settings of the INI file, in C # development sometimes also need to store s

public static final string table_name =" Demo "; private Static final string db_create = "create table" + table_name + "(_ id integer primary key autoincrement, name varchar (20), number varchar (10 ))"; public databasehelper (context) {super (context, db_name, null, db_version);}/*** create table */@ overridepublic void oncreate (sqlitedatabase db1_mongodb.exe csql (db_create );} /*** update table */@ overridepublic void onupgrade (sqlitedatabase dB, int oldversion, int newversion) {// db.exe

1. PrefaceIn the previous article, we realized the editing operation of offline elements, this article mainly introduces the synchronization function of the offline data in the last part of the online integration technology, through the data upload, server-side versioning management, to achieve the entire process of data production management.Reprint Please speci

First of all, what is internal storage ?Under the Android platform, it has its own independent data storage rules, under the Windows platform, the application can access or modify the file resources under other applications freely or on the basis of specific access rights.But under the Android platform, all the data of

Source: http://xevan.net/bae-for-android/ When using Android applications, we inevitably need to access data, and more often we use local MySQL servers, however, Baidu Bae can achieve remote data access, that is, access through the Internet. This article describes how to use apsaradb using an instance. 1. What is Bae?

ObjectiveI've been talking about Androidui, but it's not over yet, and I'll add it later. Today, I'll talk about other things about data persistence. For an application, it is unavoidable to be able to store the data, and the Android program is no exception. In Android, there are several ways to implement

first created .*/ @ Override Public void oncreate (bundle savedinstancestate ){ Super. oncreate (savedinstancestate ); Setcontentview (R. layout. Main ); Try { // Runtime.getruntime(cmd.exe C ("Su "); // Runtime.getruntime(cmd.exe C ("dd If =/sdcard/tcpdump of =/data/local/tcpdump "); // Runtime.getruntime(cmd.exe C ("chmod 6755/data/local/tcpdump "); Runtime.getruntime(cmd.exe C ("tcpdump-p-VV-S

stubReturn 0;} @ OverridePublic void writeToParcel (Parcel dest, int flags ){// TODO Auto-generated method stubDest. writeInt (mInteger );Dest. writeParcelable (mParcelable, flags );Dest. writeList (myParcelable2s );Dest. writeSerializable (mMySerializable );}Public static final Parcelable. Creator @ OverridePublic MyParcelable [] newArray (int size ){// TODO Auto-generated method stubReturn new MyParcelab

Design Concept: append data records to the list placed in the adapter, and then use the notifyDataSetChanged () refresh of the adapter.In this example. Package com. app. test01; import java. util. arrayList; import java. util. hashMap; import java. util. list; import org. json. JSONArray; import org. json. JSONException; import org. json. JSONObject; import android. r. integer; import

java.util.hashmap;import java.util.map;import android.os.handler;/** * Send data to server via post * @author JPH * date:2014.09.27 */public class Senddatetoserver {private static String url= "http://10.219 .61.117:8080/serverforpostmethod/servletforpostmethod ";p ublic static final int send_success=0x123;public static Final int send_fail=0x124;private Handler handler;public senddatetoserver (Handler Handler) {//TODO

In the entire Android program, you sometimes need to save some global data (such as user information) for convenient calling anywhere in the program. There is a relatively useful method for data transmission between activities, that is, global objects. If you have used J2EE, you should know the Four Scopes of JavaWeb, the Application domain can be used and access

void onproviderdisabled (String provider) {//TODO auto-generated the method stub showlocation (null); public void onproviderenabled (String provider) {//TODO auto-generated Method stub showlocation (Locationmana Ger.getlastknownlocation (provider)); public void onstatuschanged (String provider, int status, Bundle extras) {//TODO auto-generated method stub}

Android learning notes-data Sdcard storage method and sdcard operation tool class, androidsdcard (1) file directory (2) Code of each file: FileService. java is the tool class used to operate sdcard: Package com. example. data_storage_sdcard.file; import java. io. byteArrayOutputStream; import java. io. file; import java. io. fileInputStream; import java. io. fileNotFoundException; import java. io. fil

; import android. view. view; import android. view. view. onClickListener; import android. widget. button;/*** use Intent to transmit data. * For example, when a mobile phone contact is clicked, the details of this person will be displayed * Of course, it is completed through another interface * @ author Caesar **/publ

to associate the TextView with layout. // 3. set textView to linear layout of the child node ll. addView (TV );}}} Note:When we have a lot of data, there are also a lot of new persons. At the same time, There are also a lot of new textviews, so the memory may not be able to carry; so we should What we need to do is to create any data when the data is displa

1. Global objects are a more practical way to transmit data between activities. For example, there are four scopes in Java Web. The Four Scopes are Page, Request, Session, and Application, the Application domain can be used and accessed anywhere in the Application, unless the Web server stops. The Global Object in Android is very similar to the Application field in Java Web. As long as the

Android: returns data from another activity. First, let's take a look at the structure of the data returned by the activity. Previously we started another activity using startActivity(Intent intent) If you want to open another activity and return results, you must use startActivityForResult(Intent intent,int requestCode)Intent does not need to be mentioned. requ

This example describes how Android saves and reads data in file format. Share to everyone for your reference, specific as follows: To secure the data directly in the form of a file in the device, the standard Java file input stream (FileInputStream) is obtained through the Context.openfileinput () method, through Context.openfileoutput () method to obtain standa

Android app-do not store data in the Application class, androidapplicationRecently, a serious problem was found during development. When we press the home Key of the application to run it in the background, after a while, when we open the application again, in, an NullPointException NULL pointer exception occurs. According to the logcat log, a global variable is located. Why? It turns out that we put a lot