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Deal with different screen sizes Android having capability to deal with different device screen size but we have to follow below rules for that 1) Ensure your layout can be adequately resized to fit the screen. 2) Providing appropriate UI layout according to screen configuration. 3) Ensuring the correct layout is applied to the correct screen. 4) Providing bitmaps that’s scale correctly. ü   Use wrap content and match parent for flexible and adapts to different screen sizes. By using wrap content and match parent we can achieve adaptive UI for multiple devices instead of hard coded values. ü   Use relative layout, which is allows you to specify in terms of the special relation between components. ü   Use size qualifiers, relative, adaptive & stretch UI is not enough in android in some cases we need to show different UI for different screen sizes like device require single pane and tablet require double pane UI in that case we have use for device is layout ...

Recycle view adapter             The   RecyclerView   widget is a more advanced and flexible version of   ListView . This widget is a container for displaying large data sets that can be scrolled very efficiently by maintaining a limited number of views. Use the   RecyclerView widget when you have data collections whose elements change at runtime based on user action or network events. The   RecyclerView   class simplifies the display and handling of large data sets by providing: ·          Layout managers for positioning items ·          Default animations for common item operations, such as removal or addition of items You also have the flexibility to define custom layout managers and animations for   RecyclerView   widgets. RecyclerViewFragment.class public class RecyclerViewFragment...