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First of all, this article is my original csdn above the blog, for various reasons, do not want to use CSDN blog, so the article moved to the present Cnblog.Hello everyone, today I finally opened their own blog, very happy to share my learning experience with everyone, I hope we can progress together oh, nonsense not to say, look at me today to learn some of the problems and solutions AndroidFirst the version of Eclipse I used was posted: adt-bundle-w
Data transfer between Acticity in AndroidDuring Android development, it is very common to transmit data between different acitifiers. I spent a little time summarizing and recording the data transfer between Acitivity. 1. simple
1. Some skills can also be used to transmit data between activities. Both Windows and Linux operating systems support a technology called clipboard (a program copies data to the clipboard, any other program can obtain data from the clipboard );
2. Create an Android project named "android_intent3;
3. Add the Button in t
Android terminal and server data transfer solutionsAndroid Terminal three types and server transmission mode:
Socket Transmission
WebService Transmission
Post/get how to get Data
Network implementation conditions
Port: SpecifyProtocol: TCP,UDP
Port: SpecifyProtocol:
This article illustrates the method of data transfer between Android implementation activities. Share to everyone for your reference. The specific analysis is as follows:
First, explain the start and shutdown of activity:
1. StartActivity (Intent Intent); Start activityFinish (); End Current Activity2. Startactivityforresult (Intent Intent, int requestcode); St
In the previous chapter we review the creation of activity and the life cycle, which we mainly learn about activity jumps and data transfer between activity.First, activity jumps:The simple jump between activity is simply a matter of creating two activity and then using startactivity (intent) to jump and see the code:Intent uio=New Intent (thisactivityclass,activitybclass); startactivity (UiO);What is inte
In development, we often use the activity, then since the use of activity, it is inevitable to pass data between the two activity. Here we first talk about the principle, look at the code and examples.Situation A: We need to start and pass data from Activity_1 to activity_2,activity_2 only to receive data from Activity_1, but not for other operations.Case B: We n
In the project, the inevitable to two pages between the data transfer, even if not delivery, but also need to be refreshed and so on, we are based on the Library class method provided by Google, but also can do, mainly broadcast broadcastreceiver, StartActivity methods or application instances and so on, are all working (as long as the implementation is good, aft
JSON Common Types IntroductionThe object-oriented data types commonly used in daily life are "objects" and "arrays" that face collections.Objects commonly handle single objects, and arrays are used to process collection data.How Android handles two types of data1, Object handling int res = 0; res = Httpclient.execute (httppost). Getstatusline (). Getstatuscode (); if (r
Original: http://blog.csdn.net/xueerfei008/article/details/23046341The project needs to use in the 2 activities between the data transfer, before doing are some strings and other things, the results of this card for a long time, tossing an afternoon.First: Pass bitmapThis problem is very wonderful (probably my Android level is not enough), incredibly do not error
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
In the Android development process, it is very common to pass data between different acitivity. I spent a little time summarizing the data transfer between acitivity and documenting it.1. Simple transfer of key value pairsThis method of delivery is very simple, just need to
Years ago, I studied how Android can implement the Wireless Data Transfer Function and wrote a demo. I have nothing to do with it recently. I want to sort it out and share it with you. Early research found that Android has the following technologies to achieve wireless data
Serviceconnection Mserviceconn = new Serviceconnection (){public void onserviceconnected (componentname name, IBinder service) {Mdatetimeservice = IDateTimeService.Stub.asInterface (service);}public void onservicedisconnected (componentname name) {Mdatetimeservice = null;}} ;DescriptionA lot of information on the Internet does not involve the aidl of the IPC call specific instructions!It is essentially the server side and client side both have the same Aidl file, to be located under the same pa
In Android , data transfer betweenActivity is somewhat complex, such as through Intent and bundles and so on, it must be implemented when passing complex objects. Serializable interface classes, which in many cases make it inconvenient to handle data passing between pages. In Javaweb , thesession object to pass
The current Android Access interface transmits data more in JSON format (simple and easy to parse across platforms), in order to save bandwidth and transfer time the server will often be gzip compressed before transmission, here are a few points to note.
1. For PHP server, the interface must be in the header with parameters Accept-encoding:gzip, deflate, or even
(HttpPost);
if (Response.getstatusline (). Getstatuscode ()! = 404) {
result = Entityutils.tobytearray (response.getentity ());
}
} catch (Exception e) {
LOG.E ("Httputils", "Connection server error");
E.printstacktrace ();
}
At this point, the binary data is requested to the network and responds to the binary data stream(5) The remaining steps will be obtained by using the Msgpack-unpa
(r.layout.new_layout);InitData ();Set the data returned to the previous pageSetbackdata ();}private void InitData () {textview= (TextView) Findviewbyid (R.id.text);button= (Button) Findviewbyid (R.id.button1);Get the data transferred from the last page put in intent.Intent=this.getintent ();Bundle=intent.getextras ();Sex=bundle.getstring ("Sex");Height=bundle.getdouble ("height");if (Sex.equals ("M")) {sex
1. Data transfer of Interface jump(1) intent.setdata ()---Intent.getdata ();The data passed is relatively simple, usually a literal type of data string; If we pass on data that is more complex (several types), or longer, this method is less practical. (2) If there are a lot
In Android, data transmission between images is mainly implemented through the putextra method of intent. The transmitted data structure is a map data (name/value pair, note that the difference is that the basic data type must be used. The following describes the implementat
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