A weather report APP.
We have the weather data for more than 500 cities in the world.
Choose the city you would like to watch, then you have the weather report.
Here the user can only choose the cities or locations list below the input-box.
eg. If you input a, it will list all the cities&locations this app support with initial letter a, such as Abed, Alghero,Agra, Altamira. etc.
If you input ab, it will just list Abed. User could not use it for the cities not list here.