added country dialing code feature user can now select dialing code of selected country.
CountryPicker is a simple fragment that can be embedded or shown as dialog. See the example to see more detail.
The functions are simple:
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Allow user to search the country
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Inform client which country user has selected
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Convenient function to get currency code of the selected country
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User can use dialing code of selected country
Its an extension to https://github.com/roomorama/AndroidCountryPicker