Скачать или смотреть How to build a Custom Dialog in Xamarin works with lifetime events | CodeNameK - 16

Sharing steps to build a reliable Android Custom Dialog and the caveats to avoid. Key take away:

DialogFragment requires a default constructor to working properly with FragmentManager.
Attach listeners to DialogFragment by overwriting `OnAttach` method.
Resource (R) is auto-compiled static class that holds various of constants for resource access.
Logcat is useful debugging crash.
Android developer guide is a useful resource for Xamarin.Android development.

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Resources

Android Developer Guide: https://developer.android.com/guide

Demo code:

https://github.com/xiaomi7732/CodeWit...

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Chapters

00:00 Intro
00:51 Build a dialog with AlertDialog.Builder
03:17 Build the dialog in DialogFragment
06:46 Invoke DialogFragment
07:55 Wrong way to hook up button click
10:17 Troubleshooting the crash caused by the wrong implementation
12:17 The correct way to hook up button click
16:45 Customize the dialog with an Android layout
20:06 Set view using resource id for custom content
20:56 Get value from the input - manually inflate the layout xml into objects
24:15 Troubleshooting the unexpected error
25:53 Correct the mistake, make it work