simple sqlite database example in android

The example in this article describes how Android uses a vcard file. Share to everyone for your reference, specific as follows: FileOutputStream OS = null; try {os = VCardTest.this.openFileOutput ("android.vcf", mode_private);} catch (FileNotFoundException E1) {//TODO Au To-generated Catch block E1.printstacktrace (); } OutputStreamWriter writer; try {writer = new outputstreamwriter (OS); Vcardcom

Link Address: http://www.cnblogs.com/lknlfy/archive/2012/03/03/2378328.htmlI. OverviewThis time to do a simple Doodle board application, previously implemented on QT, suddenly think of it to achieve on Android, Hehe, is both simple and interesting.Second, the realizationNew Project Mywall, modify the/res/layout/main.xml file, add a Surfaceview and two buttons ins

Hello everyone, today I will share with you the example of Android parsing JSON. I have installed Tomcat here to let my computer act as the server. The most important thing is that you can modify the returned results as needed. First, let's take a look at the definition of JSON and its comparison with XML: JSON definition: A lightweight data exchange format with good readability and ease of writing. Mainstr

How to Learn efficiently is the most worth learning. First import the shelf package, download: http://download.csdn.net/detail/duancanmeng/4060082 lib folder Like the android program entends activity, we also need extends basegameactivity at the beginning, and four functions must be overloaded: public class Main extends BaseGameActivity { public void onLoadComplete() { } public Engine onLoadEngine() { return null;

This example describes the ProgressBar usage in Android. Share to everyone for your reference, specific as follows: ProgressBar is often used in Android, and the following examples illustrate how to use ProgressBar. Import android.app.Activity; Import Android.os.Bundle; Import Android.os.Handler; Import Android.os.Message; Import Android.view.View; Import A

="Android.widget.LinearLayout"). Drag_to (0.498, 0.00, duration=0.5)#Rectification Period: Select September 1D (resourceid="cn.sqm.citymine_safety:id/tv_please_the_rectification_date"). Click () forIinchRange (2): D (resourceId="Cn.sqm.citymine_safety:id/day"). Drag_to (0.82, 0.8, duration=0.5) d (Text='Determine'). Click ()#co-workersList = ["Development"]d (ResourceId="Cn.sqm.citymine_safety:id/item_tv_personnel_name"). Click () d (ResourceId="Cn.sqm.citymine_safety:id/item_tv_personnel_name",

Here is an example of self-built online: http://express.ruanko.com/ruanko-express_34/technologyexchange5.html However, this example is not illustrated on the Internet, and some situations are different, so I wrote it again. 1. obtain and use the KSOAP package The Android SDK does not provide a library to call WebService. Therefore, you must use a third-party SDK

For the implementation of Animation, Android provides Animation and introduces two Animation modes in Android SDK: 1. Tween Animation: A gradient Animation is generated by constantly performing image transformations (translation, scaling, and rotation) on objects in the scenario; 2. Frame Animation: it is an Animation for converting images that are prepared in sequence. Animation typeNext, let's take a l

Tags: style java using OS io strong file dataAn example of a simple NoSQL memory database-berkeley DB Basic operationRecently, due to the development of cloud computing, database technology has evolved from a structured database to a NoSQL

1. Create a data help class that inherits SQLiteOpenHelper. MyDBOpenHelper The Code is as follows: Package cn. sg. mydb; Import android. content. Context; Import android. database. sqlite. SQLiteDatabase; Import android. database

) { //exception handling code } The following is a standard JSON request implementation process: HttpPost request = new HttpPost (URL); First encapsulates a JSON object jsonobject param = new Jsonobject (); Param.put ("name", "Rarnu"); Param.put ("Password", "123456"); Bind to request Entry stringentity se = new stringentity (param.tostring ()); Request.setentity (SE); Send Request HttpResponse HttpResponse = new Defaulthttpclient (). Execute (request); Gets the ans

onReceive (Context context, Intent intent ){If (mAlarmManager = null ){MAlarmManager = (AlarmManager) context. getSystemService (Context. ALARM_SERVICE );Intent idleIntent = new Intent ("com. keenhi. charge", null );MIdleIntent = PendingIntent. getBroadcast (context, IDLE_REQUEST, idleIntent, 0 );// MAlarmManager. cancel (mIdleIntent );MAlarmManager. set (AlarmManager. RTC_WAKEUP, System. currentTimeMillis () + 1000, mIdleIntent );}String action = intent. getAction ();If (action. equals ("com.

}///Save the current x coordinate value OLDX = x; Save the current y-coordinate value oldy = y; Candraw = true; return true; } } Application test Running this application on the emulator has the following effect: The effect of running on Android phones is this: The handwriting is a bit ugly, but the function is realized. After getting the y-coordinate minus an offset value of 50, this value is guessed, did not

(); - } - }); + returnRootview; - } +}After the program jumps to this fragment, if you want to return to the previous mainfragment we can click the Back button, or a button can be bound to a click event with Fragmenttransaction Popbackstack () method to launch the current fragment stack.Its layout file code is as follows:1 LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"2 Xmlns:tools= "Http://sch

class:Package Com.example.alarmmangertest;import Android.content.broadcastreceiver;import Android.content.Context; Import Android.content.intent;import Android.util.log;import Android.widget.toast;public class MyReceiver extends Broadcastreceiver { @Override public void OnReceive (context context, Intent Intent) { log.d (" MyTag "," Onclock ... "........."); String msg = Intent.getstringextra ("msg"); Toast.maketext (Context,msg,toast.length_short).

Select a simple example for MySQL database connection. Once the connection to the MySQL server is obtained, You need to select a specific database. This is because the MySQL server may have more than one database.From the command prompt, select MySQL database: This is very e

This example describes the Android tablayout (tab layout) simple usage. Share to everyone for your reference, specific as follows: When we apply Viewpager, we often use tabpageindicator to work with them. To achieve a very beautiful effect. But Tabpageindicator is a third party, and more old, of course, now many great gods have begun to write their own tabpagein

Overview and simple example of Oracle Virtual Private Database (VPD) 1. Overview of Oracle Virtual Private Database (VPD) VPD provides better row-level access control than roles and views. For example, in internet access, a virtual private

Baidu Map SDK not only for the vast number of developers to provide a cool map display effect, rich overlay layer, the vast number of developers to provide a variety of LBS retrieval capabilities. Through these interfaces, developers can easily access the LBS data of Baidu, enrich their mobile map application.At present, the Baidu map SDK for developers to provide search services are:POI Search: Can retrieve Baidu poi data information;Route planning: Use Baidu's engine to help developers plan th

It's actually very simple, but I couldn't find any useful information on the Internet. It's strange. Download the driver here Http://www.mysql.com/products/connector/ The downloaded package contains examples.Knowledge required: Know how to add a DLL reference to an existing project.At the beginning, I was looking for a connection to MySQL through oledb, but I didn't find a suitable one.Microsoft's interface is well planned. As long as oledb is replac