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  1. What is setContentView (R.layout.main)? - Stack Overflow

    Jul 11, 2014 · SetContentView is used to fill the window with the UI provided from layout file incase of setContentView (R.layout.somae_file). Here layoutfile is inflated to view and added to the Activity …

  2. Android Tutorial => Presenting UI with setContentView

    setContentView(View view, ViewGroup.LayoutParams params) - Set the activity content to an explicit view with provided params. When setContentView is called, this view is placed directly into the …

  3. Activity.SetContentView Method (Android.App) | Microsoft Learn

    Set the activity content from a layout resource. Set the activity content to an explicit view. public virtual void SetContentView(Android.Views.View? view); The desired content to display. Set the activity …

  4. Layouts in views - Android Developers

    Nov 27, 2025 · Do so by calling setContentView(), passing it the reference to your layout resource in the form: R.layout. layout_file_name. For example, if your XML layout is saved as main_layout.xml, load …

  5. Why do we need to call setContentView () in onCreate () of ... - Medium

    Jul 3, 2025 · “setContentView () is used in an Activity’s onCreate () method to set the layout the user will see. It inflates the XML layout file and attaches it to the activity’s window so it can render ...

  6. Android setContentView详解-CSDN博客

    Nov 1, 2025 · 本文详细解析了Android应用开发中setContentView方法的工作原理,涉及AppCompatActivity、Window、DecorView和LayoutInflater,揭示了视图如何被添加到屏幕以及背后 …

  7. Code Pelican Tutorials

    When writing app in Android, we need two kind of files: activities and UI layouts. Activities are java files that tell what happens in the app. UI layouts are xml files that show how the app looks. Every activity …

  8. Android UI Layouts - GeeksforGeeks

    Jul 12, 2025 · Here, we can observe the above code and finds out that we are calling our layout using the setContentView method in the form of R.layout.activity_main. Generally, during the launch of our …

  9. android - what does setContentView do? - Stack Overflow

    That statement is telling the Activity to inflate that xml layout and fetch all of it's Views and more. Essentially, by using setContentView(R.layout.activity_main2); you're telling the Activity that you …

  10. Why do we need to call setContentView () in onCreate () of Activity ...

    Jul 3, 2025 · “setContentView () is used in an Activity’s onCreate () method to set the layout the user will see. It inflates the XML layout file and attaches it to the activity’s window so it can render views...