user inpiut string into double substring code example

Example 1: how to convert string to double in android studio

Double lat;
String lat_str = "17.456174";
try {
lat = Double.parseDouble(lat_str);
}catch (NumberFormatException e) {
//lat_string does not contain valid double value
}

Example 2: java string to double

Double d = Double.valueOf(String str);