Kotlin: Delegation Pattern and the by Keyword
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Wayne
Kotlin’s by keyword allows us to easily implement the Delegation Pattern. When we use Kotlin’s by keywords, we don’t need to implement these delegation code. This makes the code quite compact.
Browsing Tag
Kotlin
39 posts
Android Contacts Provider Tutorial
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Contacts Provider is an Android built-in content provider. It manages contacts in the system. Android’s Contacts app also accesses contact information through the contacts provider.
Android Content Provider Tutorial
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Content Provider is one of the four application components of Android. It can help app manage data stored in itself or in other apps, and provide a way to share data with other apps.
Sending Email Using Spring Boot
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This article will introduce how to use FreeMarker to create an email template, and use Spring Mail to send email through Gmail SMTP.
Android: Detecting App Entering Background and Foreground
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In some cases, we may need to detect when app enters the background or foreground. For example, we want to know how much time users spend using our app.
Documenting Kotlin Code Using KDoc and Dokka
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KDoc is the language for documenting Kotlin code, and Dokka is the engine for generating documentation from KDoc. Dokka can generate documentation in pretty nice HTML format.
Android Broadcast Receiver Tutorial
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The Android Broadcast Receiver component allows an app to receive messages from the Android system or other apps, and to send messages to other components of the app itself, or to other apps. It is similar to the publish-subscribe design pattern.
Android Bound Service Tutorial
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Android Bound Service is a client-server architecture. It allows Android components (clients) to bind Service (server) to send requests and even perform interprocess communication (IPC).
Android Service Tutorial
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Android Service is one of the four application components of Android. It can perform longer-running work in the background, such as playing music, downloading files, etc. So Service does not provide user interface. This article will introduce the basic concepts of Service.
Accessing Database with Room on Android
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This article will introduce how to use Room to access databases in Android.
