Hi ranjan, Following is a working example ( when used on real phone ) once the program is started and the GPS get a fix, it will display some of the current GPS location details including the speed in meters per second and kilometers per hour of the device.
Regards Gary ---------------------------------------------------------------------------------------------- Make sure to set <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses- permission> in the manifest file - ----------------------------------------------------------------------------------------------- <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"; package="com.GPSDemo" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/ app_name"> <activity android:name=".GPSDemo" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-sdk android:minSdkVersion="3" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses- permission> </manifest> --------------------------------- example code ------------------------------------------- package com.GPSDemo; import android.app.Activity; import android.content.Context; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; import android.widget.TextView; public class GPSDemo extends Activity { TextView tv = null; GPS mGPS = null;; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); tv = new TextView(getApplicationContext()); setContentView(tv); } @Override protected void onPause() { super.onPause(); if ( mGPS != null ) { mGPS.stopLocationUpdates(); } } @Override protected void onResume() { super.onResume(); mGPS = new GPS( this.getApplicationContext() ); } /////////////////////////// class GPS implements LocationListener { // as inner class... LocationManager lm = null; Location actualLocation = null; public GPS( Context context ) { lm = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); if (lm != null) { actualLocation = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER); } startLocationUpdates(); } public void startLocationUpdates() { lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 500l, 0, this); } public void stopLocationUpdates() { lm.removeUpdates(this); } public void onLocationChanged(Location updatedLocation) { actualLocation = updatedLocation; String gpsDetails = getGPSString(); if ( gpsDetails != null) { tv.setText( gpsDetails ); } } public void onProviderEnabled(String provider) { } public void onProviderDisabled(String provider) { } public void onStatusChanged(String provider, int iUnknown, Bundle buUnknown) { } public String getGPSString() { String clock = "C" + new java.util.Date().toString(); String loc = null; if (actualLocation != null) { StringBuffer sb = new StringBuffer(); sb.append("N" + Location.convert(actualLocation.getLatitude(), Location.FORMAT_SECONDS)); sb.append(" E" + Location.convert(actualLocation.getLongitude(), Location.FORMAT_SECONDS)); //if (actualLocation.hasAltitude() == true) { sb.append(" A" + actualLocation.getAltitude()); } //if (actualLocation.hasAccuracy() == true) { sb.append(" D" + round(actualLocation.getAccuracy())); } //if (actualLocation.hasSpeed() == true) { float kph = round((float) (actualLocation.getSpeed() / 0.277)); // converts m/s to kph sb.append(" S" + round(actualLocation.getSpeed()) + "m " + kph + "k"); } //if (actualLocation.hasBearing() == true) { sb.append(" B" + round(actualLocation.getBearing())); } sb.append(" T" + new java.util.Date(actualLocation.getTime()) .toString()); sb.append(" " + clock); loc = sb.toString(); } else { loc = clock; } return loc; } public Location getUpdatedGPSLocation() { actualLocation = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER); return actualLocation; } public Location getGPSLocation() { return actualLocation; } public long getLocationAge() { if (actualLocation != null) { return (System.currentTimeMillis() - actualLocation.getTime()); } else { return (0); } } public float getBearing() { if ( actualLocation != null && actualLocation.hasBearing() == true) { return (actualLocation.getBearing()); } else { return (-1); } } public float getSpeed() { if (actualLocation != null && actualLocation.hasSpeed() == true) { return (actualLocation.getSpeed()); } else { return (-1); } } private float round(float toRound) { int rounded = (int) ((float) toRound * 10.0f); return (((float) rounded) / 10.0f); } } } On Jul 1, 12:14 pm, gjs <[email protected]> wrote: > Hi there, > > You can getspeedin meters per second from the GPS (if present). > > see - > > http://developer.android.com/reference/android/location/Location.html > > Regards > > On Jul 1, 1:42 am, ranjan ar <[email protected]> wrote: > > > > > Hi all, > > How to determine thespeedof moving android device.any pointers hints are > > appreciated. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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