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Open Google Maps on Google devices

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Daniele
2022-02-23 22:06:28 +01:00
parent 3ac332535d
commit 73f597fb54
8 changed files with 99 additions and 61 deletions
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app/src/main/java/it/danieleverducci/nextcloudmaps/utils/GeoUriParser.java
+62 -18
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@@ -10,35 +10,79 @@ import it.danieleverducci.nextcloudmaps.model.Geofavorite;
public class GeoUriParser {
private static final Pattern PATTERN_GEO = Pattern.compile("geo:(-?[\\d.]+),(-?[\\d.]+)");
// Try to match not only geoUri but also Google Maps Uri
private static final Pattern PATTERN_BROAD = Pattern.compile(
"(?:&query=|&center=|geo:)(-?\\d{1,2}\\.\\d{1,10})(?:,|%2C)(-?\\d{1,3}\\.\\d{1,10})"
);
public static double[] parseUri(Uri uri) throws IllegalArgumentException {
/**
* Parses an URI into latitude and longitude
* @param uri to parse
* @param strict if true, the uri must be a valid geo: uri, otherwise a broader check is applied to include other uris, like Google Maps ones
* @return the parsed coordinates in an array [lat,lon]
* @throws IllegalArgumentException if the url could not be parsed
*/
public static double[] parseUri(Uri uri, boolean strict) throws IllegalArgumentException {
if (uri == null)
throw new IllegalArgumentException("no uri");
Matcher m = PATTERN_GEO.matcher(uri.toString());
if (m.find() && m.groupCount() == 2) {
String sLat = m.group(1);
String sLon = m.group(2);
try {
return new double[]{Double.parseDouble(sLat), Double.parseDouble(sLon)};
} catch (NumberFormatException e) {
throw new IllegalArgumentException("unable to parse uri");
}
} else {
throw new IllegalArgumentException("unable to parse uri");
// Try to extract coordinates in uri string with regexp
Pattern pattern = strict ? PATTERN_GEO : PATTERN_BROAD;
Matcher m = pattern.matcher(uri.toString());
if (!m.find() || m.groupCount() != 2)
throw new IllegalArgumentException("unable to parse uri: unable to find coordinates in uri");
// Obtain coordinates from regexp result
String sLat = m.group(1);
String sLon = m.group(2);
double[] coords = null;
try {
// Check coordinates are numeric
coords = new double[]{Double.parseDouble(sLat), Double.parseDouble(sLon)};
} catch (NumberFormatException e) {
throw new IllegalArgumentException("unable to parse uri: coordinates are not double");
}
// Check coordinates validity
String error = checkCoordsValidity(coords[0], coords[1]);
if (error != null)
throw new IllegalArgumentException(error);
return coords;
}
public static Uri createUri(double lat, double lon, String name) {
// Check coords validity
if (lon <= -180 || lon >= 180 )
throw new IllegalArgumentException("Invalid longitude: " + lon);
if (lat <= -90 || lat >= 90)
throw new IllegalArgumentException("Invalid latitude: " + lat);
public static Uri createGeoUri(double lat, double lon, String name) {
String error = checkCoordsValidity(lat, lon);
if (error != null)
throw new IllegalArgumentException(error);
String uriStr = "geo:" + lat + "," + lon;
if (name != null)
uriStr += "(" + name + ")";
return Uri.parse(uriStr);
}
public static Uri createGmapsUri(double lat, double lon) {
String error = checkCoordsValidity(lat, lon);
if (error != null)
throw new IllegalArgumentException(error);
String uriStr = "https://www.google.com/maps/search/?api=1&query=" + lat + "," + lon;
return Uri.parse(uriStr);
}
/**
* Checks a latitude/longitude is valid
* @param lat latitude
* @param lon longitude
* @return null if valid, a string containing an error otherwise
*/
private static String checkCoordsValidity(double lat, double lon) {
// Check coords validity
if (lon <= -180 || lon >= 180 )
return "Invalid longitude: " + lon;
if (lat <= -90 || lat >= 90)
return "Invalid latitude: " + lat;
return null;
}
}