how to transfer data between android phones

result_value = Data.getstringext RA ("result"); } } Secondactivity.javaReceived in the OnCreate method, and can be received in other methodsString mainstring = Getintent.getstringextra ("message");overriding return events@Overridepublic boolean onKeyDown (int keycode, keyevent event) {if (keycode = = Keyevent.keycode_back) {Intent Intent = new Intent ();Intent.putextra ("result", result);/** Calling the Setresult method means I return the intent object to the previous activity so that the inten

;ImportAndroid.widget.TextView; Public classExitextendsActivityImplementsonclicklistener{Button exitbtn; Button returnbtn; TextView Name; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (R.layout.activity_exit); EXITBTN=(Button) Findviewbyid (R.ID.EXITBTN); RETURNBTN=(Button) Findviewbyid (R.ID.RETURNBTN); Name=(TextView) Findviewbyid (r.id.name); String name=getintent (). Getextras (). getString ("name"); Name

Now assume that there are two classes Aclass.class and Bactivity.class, passing the value in a to the B call1, the code in Aclass.class is as followspublic class AClass implements { //Get interface Object private Onaclasslistener Aclasslistener; //Construction Method Private AClass () { } //Send data public void sends () {if (aclasslistener!= null) { aclasslistener.onaclass ("Pass the value Here"); } } For B-bound

closed. Test results:java : Java new 5000s waste 3ms c++ : c++ new 5000s Waste 18ms java : java new 10000s Waste 5ms c++ : c++ new 10000s waste 24ms Span class= "http" >java : java new 50000s waste 44ms c++ : c++ new 50000s waste 121ms java : java new 100000s waste 65ms c++ : c++ new 100000s waste 259ms This time, the results show that if the cache method ID and Jclass can be shortened by half the time. But still less fast than Java. It's also good to understand that C + + creat

I have recently been working on a Web application based on the Java servlet and the development of the corresponding Anroid application client. Among them, the more use of the JSON object to manipulate the formatted data in terms of access to the interface and the transfer of data: A JSON string is used on the server side to pass

} } );And the data in the bundle object is accepted in the Activity2Bundle bundle = This. Getintent (). Getextras ();//get the Bundle object in intentString Choose= Bundle.getstring ("choose");//get the data from the bundle object DoubleEdit1 = bundle.getdouble ("Edit1"); String Choosetext= ""; if(Choose.equals ("M") ) {

closed. Test results:java : Java new 5000s waste 3ms c++ : c++ new 5000s Waste 18ms java : java new 10000s Waste 5ms c++ : c++ new 10000s waste 24ms Span class= "http" >java : java new 50000s waste 44ms c++ : c++ new 50000s waste 121ms java : java new 100000s waste 65ms c++ : c++ new 100000s waste 259ms This time, the results show that the cache method ID and Jclass can be shortened by half the time. But still less fast than Java. This is also very well understood. C + + cr

Android notes-data storage in Android (3), android notes The Android system integrates a lightweight database:SQLiteTherefore, Android supports databases very well and every application can use it conveniently. As an embedded data

Bluetooth devices. This document describes how to use the Bluetooth API provided by the Android platform to communicate with blue-pressed devices. Bluetooth has two kinds of point-to-point and multipoint connection functions.Using the Bluetooth API, you can do this:* Search for Bluetooth devices* Query for paired devices from a local Bluetooth adapter* Establish RFCOMM Channel* Connect to other devices via service discovery*

[Android] Android mobile app data to SD, android mobile app [Android] Android mobile app data to SD You can specify it in the menifest file of the application. The ...>

Android data sharing technology implementation: discovering and establishing data communication between multiple devices | Android devcamp Topic Introduction: as mobile applications are increasingly dependent on servers, developers' demand for data communication protocols i

There is no way to transfer data directly between the activity. Android's design principle is to use intent to communicate between different activity and process, but generally, intent can only be stored in basic data types and system default support such as URIs. So for users to define their own data structure is not

Android data storage file and android Data StorageIn the previous article, we used SharedPreferences to save data in Android. SharedPreferences mainly saves the setting information of some applications or a small amount of user in

Android access Android Wear Data layer Api -- synchronize Data Items Data Items is a Data interface used to synchronize mobile phones and wear. A Date Items usually includes the followi

terminals, as well as the resulting flow of people can not afford to hurt, the user is more injured. But for very important real-time data, or to be sent to the remote server to deal with, you can also consider using the network real-time delivery. This is a precedent, as is the case with Apple and Google, where iphone devices and Android devices collect information about users without their knowledge, and

Android data sharing technology implementation: data communication between PCs and Android devices | Android devcamp Topic Introduction: as mobile applications are increasingly dependent on servers, developers' demand for data com

Suddenly think of such a function, the user login with a client, the client did the following two things, one is to jump page, return personal information; the second is to return the information to the server, and the server saves the data in the database. So that the user's personal information will be obtained!Without further ado, hurry up!Just as my SAE beans have not consumed, I intend to use PHP to do the backstage!Client-to-server delivery is n

Android Network Programming transmits data to the server (1). android Network Programming Android Network Programming-data transfer to servers (1) Please respect others' labor achievements and repost the Source:

. intent is used to transmit data Intent tables. In many cases, Android Intent is used to transmit data between various activities. This is also an official data transfer method for Android. Requirement 1: jump from an Activity (I

Virgins Android (13th) --- SharedPreferences and sharedpreferences for lightweight Android Data Storage I. Preface Reprinted please indicate the source: http://blog.csdn.net/wlwlwlwl015/article/details/42437007 When I was a beginner in Android, I used the Intent + Bundle mode to