Apps development for Android step by step

Lessons related to vertical

Lesson 2.1: How to build Android app with simple, but powerful LinearLayout? Plus layout orientation as well as size and weight of elements

If you created app based on previous lessons, you had already contact with layout tag, though we haven’t analyzed how it works. Default layout for new app in Android Studio is RelativeLayout, but we will start with another layout type – called LinearLayout. It is easy to use and still very helpful in many situation.

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Lesson 0.5 Previewing app layout on various devices and screen sizes (without having them)

The previous lesson was finished after we managed to open activity_main.xml file with a layout of our first app. You should see preview of app interface on the screen: app name, Hello word text and system menu at the bottom. This is not working app in which you could click (we would run app in the next lesson), but preview of the app layout.

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