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Can be used in the Android environment, in the Java environment can also be used, I first in the Java environment to achieve the function, and then transplanted to the Android phone, the others are the same.[Java]View Plaincopy
Package Com.photo;
Import Java.io.File;
Import Java.io.FileInputStream;
Import java.io.FileNotFoundException;
Import java.
Android and server usually use HTTP and Socket communication methods, while HTTP Communication methods are divided into get and post methods. Socket communication will be introduced in a later blog.
HTTP Protocol Introduction:
HTTP (Hypertext Transfer Protocol) is the foundation of Web networking and one of the common protocols for mobile phone networking. HTTP i
ProfileThe Android client is divided into four sections of user,httputil,httpcallbacklistener,mainactivity. The user model is the same as the server, on the one hand, the storage model for local user information, and the same key used to construct the URL.Httputil encapsulates the process of sending HTTP requests and the function of constructing URLs, Httpcallbacklistener is the callback interface for sendi
the same;
Check the server (PHP ):
It is not difficult. Pay attention to the following: the first parameter of $ _ FILES ['uploadfile'] ['tmp _ name'] must be the same as the entity in android code. addPart ("uploadedfile", fileBody); the first parameter name remains consistent;In the source code, this method is slightly expanded and two images are uploaded to the PHP
The previous time has been writing an Android app app, basically make a single machine in the mobile phone to run the local app. So want to learn to do the background of the application, intends to use Php+mysql. My backstage small white one, do not know how to study is the best route. What design patterns or frameworks do you need to learn? Ask for a learning route!! Thanks, eh?
Reply content:
The pre
the service side. Bluetoothlescanner client Scan Related (Android5.0 new). Scancallback Client Scan callback. Scanfilter client Scan filtering. Scanrecord broadcast data for client scan results. Scanresult Client scan results. Scansettings client scan Settings The BLE device is divided into two devices: the client (also called the Host/Center device/central), and the core class of the client (also called slave/peripheral/peripheral) is the core class of the Bluetoothgatt
This project implements network communication. The Android mobile client sends a request to the PC server to display Mysql Data on the PC on the mobile phone.
The PC server uses javaweb to write a servlet. The Android mobile client requests this servlet, And the servlet quer
Write a program on the Android phone, the function is to complete a two-digit operation. This operation is done in Java background, the Android side uses the HTTP communication to pass the relevant parameters, the background after the calculation of the results back to the client.Post the client part codeClick the button to package the parameters in JSON format t
Overview:
First of all, I will briefly describe my understanding of message pushing. Here I will take QQ as an example. When QQ is offline on our mobile phone and we quit the QQ application, however, if someone sends us a message at this time, we are not online. The server will push the information sent by the sender, and then we will release a notification to display the notification to our users.
Ext.: http://blog.csdn.net/wangdong20/article/details/20839533Do Android debugging often encounter, the program is written, ready to connect to the phone debugging, can appear in a few momentsI believe that the students who have done Android debugging have encountered this problem, online said kill off with the ADB-related process, restart eclipseBut I didn't see
Communication between Android client and PHP Server (3)-Aurora push
Overview
There are many ways to push messages. here I chose Aurora push. This section consists of two parts: Register Aurora push and use its Demo program to view the push effect, and then modify it to your application step by step.
Register logon Aurora push
Developers basically know how to use third-party libraries. many of them need
figure
Send push notifications through the console
At this time, the mobile phone can receive the push notification, which means that the minimum system we have migrated is successful.
For this part of code, if necessary, please
Click here to download
End
In the above example, I simplified the code in the official routine and transplanted the most basic receiving function. this is a Hello World for JPush, the rest depends on the reade
[] stack = ex. getStackTrace ();Final String message = ex. getMessage ();// Use Toast to display exception informationNew Thread (){@ OverridePublic void run (){Logoff. prepare ();// Toast. makeText (mContext, "program error:" + message, Toast. LENGTH_LONG). show ();// You can create only one file, append all the files in it, and then send them. This leads to duplicate information, which is not recommended by individuals.String fileName = "crash-" + System. currentTimeMillis () + ". log ";File
Android client communication with PHP server (iv)---Aurora Push example Engineering analysis
Overview
The previous section describes a method for registering an Aurora push and using its example, which prepares the framework for the sample project and prepares it for porting.
Analysis example Routines Code
First analysis of the source structure of the routine, it is recommended to follow Jpush Official doc
There are many examples on the web to demonstrate how Android client and server-side data interact but most of these examples are cumbersome, for beginners This is unfavorable, and now introduce a few code simple, logical clear interaction examples, this blog introduces the fourth kind:First, server-side:Code Listing 1: Adding a file named "Androidserverservlet.j
Configure the application to display the name and icon-androidmanifest.xml on the phone desktop:When configured, displays①②Get the updated server configuration process:Server configuration:With Tomcat as the server, create a new Update.xml file in the Tomcat_home/root directory and add the relevant information to the newer version;Access in Browser: Http://localh
Android upload pictures, here I used the more popular Xutils framework, the framework can be implemented file upload, file download, image caching, etc., to be researched.Here is the code uploaded by the android segment:Xutils.jar DownloadString uploadhost= "Http://192.168.1.100:8080/ReceiveImgFromAndroid/ReceiveImgServlet"; Server receive address Requestparams
The method for connecting a real machine to a local PC server is as follows:
Set the LAN, and the mobile phone accesses a server in the LAN through WiFi (with a lan ip address)
Background:
The Android mobile phone obtains data for display by accessing the Tomcat service
The php server returns an image to Android. when the mobile phone sends a request, I extract the image or address of the database and return it to the mobile terminal. how can this problem be solved, I want to save images in my database or the path of images. if I want to save images, how can I return them? are you in a hurry? ---- solution ---------------- what
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