Creating an Android Collection App Widget
- By
Wayne
Android Collection Widgets are used to display many items of the same type on the home screen, such as picture collections, mailing lists, etc.
Creating an Android App Widget
- By
Android App Widget is an extension of app. App can provide a piece of information or a simple function through app widgets without requiring users to launch the app.
Prevent Screenshots in iOS
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For some reasons, we may want to prevent users from taking screenshots of our app. However, iOS does not provide such functionality. Fortunately, we can use UITextField to achieve this effect.
Prevent Screenshots in Android
- By
For some reasons, we may want to prevent users from taking screenshots of our app. In Android, we can use WindowManager.LayoutParams.FLAG_SECURE to achieve this effect.
Android Room: Entity Relationships
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When using a database, the data we query may be associated with multiple tables. Android Room allows us to define relationships between objects. When querying data, Android Room will automatically read it together with the relevant data.
Accessing and Encrypting Database with Room and SQLCipher on Android
- By
This article will introduce how to use Room and SQLCipher to encrypt the databases.
The SOLID Principles of Object-Oriented Orogramming
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SOLID is an object-oriented programming principle promoted by Robert C. Martin. Design smells are caused by the violation of one of more SOLID principles. Learning SOLID helps developers eliminate the smells from their designs, making them as clean, simple, and expressive as possible.
Android Activity and Fragment Lifecycles
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Android activity and fragment have their own lifecycle. The entire lifecycle contains several callbacks. Understanding their lifecycles and those callbacks helps us write robust code.
Using Xcode Configuration and Scheme to Manage Multiple Build Environments
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When developing a project, we need to build multiple versions, and each version will have individual environment settings. For example, the development version connects to the development server, and the QA version connects to the QA testing server.
Dependency Injection with Hilt in Android
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Hilt is a dependency injection library based on Dagger and designed for Android. So when developing Android, using Hilt will be more convenient than using Dagger.
