top gps apps

Mobile apps can be used as a tool for desktop apps to receive status information for desktop apps. Here's how to implement a simple Android program to receive the working status of a Windows scanner app. Reference: How to Push notifications to Android applications from Windows Ideas Creating a socket connection for application communication Start th

Hope to be useful to the developers, the test error is small#pragma mark-German map GPS to coordinates//location lati, longi#define Pi 3.14159265358979324NSArray * TRANSFORMGPSTOMAMAP (NSString * Loc ation) {Nsarray * result = nil; A = 6378245.0, F = 298.3//b = A * (1-f)//ee = (a^2-b^2)/a^2; Const double A = 6378245.0; Const double EE = 0.00669342162296594323; Nsarray * Tmparr = [location componentsseparatedbystring:@ ","]; Doubl

Just looking at 52 SCM and GPS communication program, see a function, absacc.h, seemingly never encountered, Baidu a bit, combined with their own understanding, sorted as follows: Http://blog.sina.com.cn/s/blog_4f8cdc9e0100g1qp.html "51 single chip microcomputer KEILC header document ABSACC.H function" http://apps.hi.baidu.com/share/detail/716779 "Absacc.h Library Introduction" Http://blog.sina.com.cn/s/blog_5f0187c50100e0nt.html the role of #include

In app development, there are often features that invite users to rate apps. In iOS, the official app is downloaded through AppStore, so the app can be scored only in AppStore. Therefore, you need to jump from the app to AppStore. The method is to open the URL of the response. The code is as follows:NSString *appid = @ "1234567"; NSString *str = [NSString stringwithformat:@ "itms-apps://itunes.apple.com/cn/

First, the reference source:GPS Basic example-android ExampleHttp://androidexample.com/GPS_Basic__-__Android_Example/index.php?view=article_discriptionaid=68aaid =93Second, Permission:android:name= "Android.permission.ACCESS_FINE_LOCATION"/> android:name= "Android.permission.INTERNET"/>Third, Example: PackageCom.example.gpsbasics;Importandroid.location.Location;ImportAndroid.location.LocationListener;ImportAndroid.location.LocationManager;ImportAndroid.os.Bundle;ImportAndroid.util.Log;ImportAnd

From: http://www.gpsinformation.org/dale/nmea.htm The most important NMEA sentences include the GGA which provides the current fix data, The RMC which provides the minimum GPS sentences information, and the GSA which provides the satellite status data. GGA-Essential fix data which provide 3D location and accuracy data. $GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545.4,M,46.9,M,,*47Where: GGA Global Positioning System Fix Data 12

1. simulator simulating Gps When simulating Gps in a simulator, you must first Open the DDMS view. In eclipse, choose Windows> Open Perspective> Others> DDMS. In the DDMS view, open the Emulator Control tab, select the Manual sub-tab in the Location Controls group, enter the value in the longitude and latitude, and click Send to simulate a single Gps Positionin

In the past few days, GPS on WM wanted to obtain satellite data and found some information. There are two possible methods: 1, the Traditional GPS Programming Method reads data from the GPS device through the serial port, parses and processes the data. 2. Apply the gpsid function library provided by Windows Mobile to interview the Traditional

GPS drift has always been a headache for users and manufacturers. It is also the first choice for many users to choose GPS. Good product positioning is accurate and the drift is very small. So how can we improve GPS drift? 1) software-only Method. Filter by softwareAlgorithmFilter data on devices or on the positioning platform. This method is often used in th

Scenario: the longitude and latitude coordinates of two GPS points are known. Calculate the distance between two points. 1.Distance/latitude relationship GPS: 22.514519, 113.380301 GPS: 22.511962, 113.380301 Distance: 284.6439379583341 Jl_wd = 284.6439379583341/(22.51451-22.511962) = 111712.69150641055729984301412873 (meters/degree) 2.Distance/longitude re

Use of the Exifinterface class to write GPS information to a picture in JPEG formatJPGE format is one of the image compression format, JPG belongs to one of these; if we need to write the GPS information to the picture itself is relatively simple, get the picture handle exifinterface on it, but I have encountered a few problems in the process, After the settlement, we will consider writing this piece for yo

I was developing androidProgramWhen calling GPS, they all use functions directly. Public void Requestlocationupdates (Long mintime, float mindistance, Criteria, pendingintent intent) However, the customer recently said that the GPS of the mobile phone is not accurate enough, so he learned about the two parameters in the function signature from the Google developer website. If there is any inac

Currently, common GPS navigators on the market are basically based on Windows CE 5.0/6.0. Most manufacturers hide and disguise the operating system. In particular, brand-name machines are even more hidden. (This is a good practice for shangzhai machine. The wince startup interface is directly open to users) My students recently purchased a q70 navigator because they needed a platform to demonstrate software for their course design (embedded softw

First of all, the methods in this article have limitations. In the case of GPS data defects, the resolution will not be successful! Http://www.regexlab.com/zh/regref.htm It is unrealistic to use sscanf or strtok to parse the following three statements and succeed: Char str1 [] = "$ uplmc, 121252.000, A, 3958.3032, N, 11629.6046, E, 15.15, 359.95, 070306, A * 54 ";Char str2 [] = "$ uplmc, 013244.013, V, 2949.0092, N, 12133.1459, E, 290908, N * 78 ";

When I use Baidu map to display my bus routes, I need to use GPS longitude and latitude. However, we all know that when obtaining GPS information on the simulator, I use location loc = locationmanager. getlastknownlocation ("GPS"); To obtain location information, but LOC is usually null during debugging. The reason is that the simulator cannot directly obtain the

Instance download: http://download.csdn.net/detail/fcgksoso/3690014 Some time ago, I did some development work related to data parsing of GPS receivers, because I had to parse the positioning data of GPS receivers and read the motherboard description of a certain model of Novatel, if you have some knowledge about this, record it and make a memo. Currently, satellites of different purposes are flying in

Php uses the Baidu Map API for IP location and GPS location. Recently, a mobile-side webapp map application is developed, and the core content is Positioning. However, there are several methods for locating IP addresses, GPS positioning and base station positioning (this seems to be useless for webapp), then the core gps positioning and ip location are left. we k

Introduction The rapid development of satellite navigation technology has gradually replaced the traditional navigation technology, such as radio navigation and astronomical navigation, and become a widely used navigation and positioning technology, and has made great progress in precision, real-time, all-weather and so on. It is not only applied in many civil fields such as physical exploration, ionospheric measurement and spacecraft navigation, but also has been widely used in military field-

This article illustrates the Android programming approach to acquiring GPS data. Share to everyone for your reference, specific as follows: GPS is an important part of the Android system, and it can be used to derive many position-related applications. Android's GPS has a specialized management class called Locationmanager, and all

GPS positioning is now a lot of mobile phones have the function, and very practical. This paper describes the use of GPs positioning in Android in the form of an example. Share for everyone to use for reference. The specific methods are as follows: Generally in Android to obtain the current position via GPS, first of all to obtain a Locationmanager instance, thr