Houssem Lahiani's Blog

Nearby attractions is a multilingual application that locates the nearest user places such as bus stations, train stations, airports, hospitals, doctors' offices, schools, universities, museums, mosques, churches etc. This application can be used for a traveler or a tourist to discover the attractions and places to visit in the city in which he is located. Product feature bullets : • geolocate user • show nearby places in the map • show details about the chosen place The application is free and available here :  http://www.amazon.com/gp/product/B00YI568E0

For Android apps developement, there are six units of measure:  dp : Density  Independent Pixel - abstract unit that is based on the physical density of the screen.This unit equals 160 DPI (dots per inch) . This dimension is used for elements' setting.  sp : Scale independent pixels  - Used for font sizes.We could compare this unit to "em" in web development. The police may be larger or smaller depending on user preferences.  pt : Point - 72 points per inch. based on the physical size of the screen.  px : Pixels - Corresponds to actual pixels on the screen. This unit of measurement is not recommended as rendering on different types of screen can be different. The number of pixels per inch may vary depending on the device.  mm : Millimeter - based on the physical size of the screen  in : Inches (Inches) - based on the physical size of the screen  These dimensions are defined in the layout (XML files).