[Solved] Android | Java | check if in GPS Android i passed specific location [closed]

I think you can refer the Location API to calculate the distance between your current location and another one. http://developer.android.com/reference/android/location/Location.html I think you can one of these methods: public static void distanceBetween (double startLatitude, double startLongitude, double endLatitude, double endLongitude, float[] results) public float distanceTo (Location dest) 1 solved Android | Java | check if … Read more

[Solved] using Gps Getting Latitude and Longitude

http://www.androidhive.info/2012/07/android-gps-location-manager-tutorial/ Go to this link to get your location You can implement a loop with postdelay handler to implement 5 minute refresh rate and run the getLocation inside that… Use SharedPreferenceManager to store the last known lat and long to the sdcard data https://mongskiewl.wordpress.com/2013/10/16/sending-json-data-from-android-to-a-php-script/ Follow this to send JSON data 🙂 4 solved using Gps … Read more

[Solved] Android Null object reference on location [duplicate]

You are calling public double getLatitude() from your GPS class, however the _location variable is not initialized hence you get the NullPointerException. Prior calling getLatitude() try calling the public Location getLastKnownLocation() from your GPS class. This call will initialize the _location variable. 0 solved Android Null object reference on location [duplicate]

[Solved] Get unreadable string from GPS tracker

Its really some binary information and If you have clearly read out the product manual then it says formation of this binaries. Converting the data to hex will give something like this.. 24-41-20-20-67-72-51-30-35-41-68-40-91-29-3F-3F-3F-FF-FF-FB-FF-FF-3F-3F- And then you need to refer the manual for exact meaning of these hex numbers ex–(in some chinese devices) 2 bytes(24), stand … Read more

[Solved] I need to implement a flutter app, when 2 phones come near it must alert the 2 phones [closed]

You can use the location of the device and store the lat and long of the device in the backend(probably AWS if you are using it!). Every device registers to your app will be sending its realtime lat and long to your backend. You can have some sort of computation or graph-based analysis in the … Read more

[Solved] GPS in j2me enabled mobiles

Just because a phone can run J2ME it does not mean that it’s manufacturer placed a GPS unit in it. As far as I know there are mobiles which can run Java applications but do not have a built in GPS. If you want to find the location of your phone, you can resort to … Read more