Friday, 19 April 2013

How Run Other App using intent in android


Intent i = new Intent(); PackageManager manager = getPackageManager();
i = manager.getLaunchIntentForPackage("app package name"); i.addCategory(Intent.CATEGORY_LAUNCHER); startActivity(i)
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1 comment:

  1. Anonymous3 June 2013 at 23:04

    private LatLng getPoint(LatLng center, int radius, double angle) {
    // Get the coordinates of a circle point at the given angle
    double east = radius * Math.cos(angle);
    double north = radius * Math.sin(angle);

    double cLat = center.latitude;
    double cLng = center.longitude;
    double latRadius = earthRadius * Math.cos(cLat / 180 * Math.PI);

    double newLat = cLat + (north / earthRadius / Math.PI * 180);
    double newLng = cLng + (east / latRadius / Math.PI * 180);
    Log.v("New Lat", newLat + "");
    Log.v("New Lat", newLng + "");

    return new LatLng(newLat, newLng);
    }


    public static float calculateDistance(float lat1, float lon1, float lat2,
    float lon2) {
    float dLat = (float) Math.toRadians(lat2 - lat1);
    float dLon = (float) Math.toRadians(lon2 - lon1);
    float a = (float) (Math.sin(dLat / 2) * Math.sin(dLat / 2) + Math
    .cos(Math.toRadians(lat1))
    * Math.cos(Math.toRadians(lat2))
    * Math.sin(dLon / 2) * Math.sin(dLon / 2));
    float c = (float) (2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)));
    float d = (float) (earthRadius * c);
    return d;
    }

    public static double distanceCalcByHaversine(GeoPoint startP, GeoPoint endP) {
    double lat1 = startP.getLatitudeE6() / 1E6;
    double lat2 = endP.getLatitudeE6() / 1E6;
    double lon1 = startP.getLongitudeE6() / 1E6;
    double lon2 = endP.getLongitudeE6() / 1E6;
    double dLat = Math.toRadians(lat2 - lat1);
    double dLon = Math.toRadians(lon2 - lon1);
    double a = Math.sin(dLat / 2) * Math.sin(dLat / 2)
    + Math.cos(Math.toRadians(lat1))
    * Math.cos(Math.toRadians(lat2)) * Math.sin(dLon / 2)
    * Math.sin(dLon / 2);
    double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
    return earthRadius * c;
    }

    public static double distanceKm(double lat1, double lon1, double lat2,
    double lon2) {
    Log.d("slatitute", " " + lat1);
    Log.d("slongi", " " + lon1);
    Log.d("tlatitute", " " + lat2);
    Log.d("tlongi", " " + lon2);
    int EARTH_RADIUS_KM = 6371;
    double lat1Rad = Math.toRadians(lat1);
    double lat2Rad = Math.toRadians(lat2);
    double deltaLonRad = Math.toRadians(lon2 - lon1);

    return Math
    .acos(Math.sin(lat1Rad) * Math.sin(lat2Rad) + Math.cos(lat1Rad)
    * Math.cos(lat2Rad) * Math.cos(deltaLonRad))
    * EARTH_RADIUS_KM;
    }

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