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EditText1, EditText2, and Button are the child widgets under ViewGroup2 that is RelativeLayout. In the above example of XML file, There are 2 view groups one is LinearLayout and another is RelativeLayout and the TextView1 and TextView2 is child widgets under the ViewGroup1 that is LinearLayout. Considering the following simple example of the activity_main.xml file. Widgets here are view objects, such as Buttons and text boxes. The layouts are ViewGroup objects or containers that control how the child view should be positioned on the screen. The User Interface for an Android App is built as the hierarchy of main layouts, widgets. So understanding the core part of the UI interface with respect to XML is important. Basics of User Interface(UI)īasically in Android XML is used to implement the UI-related data.
#XML READER APP ANDROID HOW TO#
So in this article, there is a deep discussion on how to learn and understand what XML is for Android Development. XML only contains tags, while implementing they need to be just invoked. In Android, the XML is used to implement UI-related data, and it’s a lightweight markup language that doesn’t make layout heavy. It’s easily scalable and simple to develop. XML tags define the data and used to store and organize data. We need to implement and define the tags in XML. Basically, the XML tags are not predefined in XML. It is derived from Standard Generalized Markup Language(SMGL). XML is a markup language much like HTML used to describe data. XML stands for Extensible Markup Language.
![xml reader app android xml reader app android](https://developer.android.com/studio/images/build/apk-filter-tree-view_2x.png)
#XML READER APP ANDROID INSTALL#
#XML READER APP ANDROID UPDATE#