3
我有一個應用程序,獲取使用LocationManager的用戶的位置,並嘗試將該數據寫入圖像的Exif數據。出於某種原因,該值永遠不會寫入,並且該位置保持爲空。這裏是我寫的Exif和轉換經緯度功能:無法寫入GPS位置exif
public void geoTag(String filename){
ExifInterface exif;
try {
exif = new ExifInterface(filename);
int num1Lat = (int)Math.floor(latitude);
int num2Lat = (int)Math.floor((latitude - num1Lat) * 60);
double num3Lat = (latitude - ((double)num1Lat+((double)num2Lat/60))) * 3600000;
int num1Lon = (int)Math.floor(longitude);
int num2Lon = (int)Math.floor((longitude - num1Lon) * 60);
double num3Lon = (longitude - ((double)num1Lon+((double)num2Lon/60))) * 3600000;
exif.setAttribute(ExifInterface.TAG_GPS_LATITUDE, /*num1Lat+"/1,"+num2Lat+"/1,"+num3Lat+"/1000"*/);
exif.setAttribute(ExifInterface.TAG_GPS_LONGITUDE, num1Lon+"/1,"+num2Lon+"/1,"+num3Lon+"/1000");
if (latitude > 0) {
exif.setAttribute(ExifInterface.TAG_GPS_LATITUDE_REF, "N");
} else {
exif.setAttribute(ExifInterface.TAG_GPS_LATITUDE_REF, "S");
}
if (longitude > 0) {
exif.setAttribute(ExifInterface.TAG_GPS_LONGITUDE_REF, "E");
} else {
exif.setAttribute(ExifInterface.TAG_GPS_LONGITUDE_REF, "W");
}
exif.saveAttributes();
} catch (IOException e) {
Log.e("PictureActivity", e.getLocalizedMessage());
}
}
在我目前的位置的經度和緯度值約40.42和-81.92
任何幫助,將不勝感激