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Asked: 2026-06-12T17:01:04+00:00

I am in process of writing an activity that shows a Google map, and

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I am in process of writing an activity that shows a Google map, and by getting an extra value on the calling intent, placing some overlay on a given geopoint over the map.

What i did was to create a wrapping class to hold (lat,lng) pair and that implements Parcelable, this way i could pass a “geopoint” instance on an Intent to this activity from other activities in other applications.

now what that im stuck at is what should i put as the key value for putting and getting this geopoint?

i could just use it like:

i.putExtra("myGeoPoint", myGeoPoint);

but i am guessing that would be bad practice, I could have a final static String class-member object as the key value, but then i am not 100% sure that i could access it from other activities in other applications…

How is it done correctly?

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  1. Editorial Team

    but i am guessing that would be bad practice

    Well, it has to be a string.

    I could have a final static String class-member object as the key value, but then i am not 100% sure that i could access it from other activities in other applications…

    It is 100% certain that you cannot “access it from other activities in other applications”.

    Hence, use a well-known string. Each of those apps can, if desired, save that string in “a final static String class-member object” for its own local use. Or, you can create a small JAR file that all of these projects use that, perhaps among other things, provides a canonical “a final static String class-member object” for them all to refer to.

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