Learn more about computerscience with this collection
Understanding machine learning models
Improving data analysis and decision-making
How Google uses logic in machine learning
When writing test cases, developers can focus on the BLoC itself. So the code base is not going to be messed up.
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MORE IDEAS ON THIS
As you can see now, increase()
and decrease()
methods are called directly within the UI component. However, output data is handle by a stream builder.
It is better to have an intermediate layer to implement custom handlers to handle errors.
In the app.j...
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21 reads
In this step, I will create the StreamBuilder.js
inside the utils directory to handle the counter request from the UI. Moreover, developers can handle errors and implement customer handlers within this.
In the AsyncSnapshot
class, we can initialize a constructor, h...
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When the business logic is standalone from UI components, the impact on the application will be minimum. You will be able to change the business logic any time you want without affecting the UI components.
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Over time, application requirements may change, and business logic can keep growing. In such situations, developers can even create multiple BLoCs to maintain the clarity of the codebase.
Moreover, BLoC patterns are platform and environment independent so that developers can use th...
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Since the business logic is in one place, UI components can reuse logic without duplicating the code so that the simplicity of the app will increase.
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Initially, the Business Logic Component (BLoC) pattern was introduced by Google as a solution to handle states in Flutter applications. It allows you to reduce the workload on UI components by separating the business logic from them.
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Now, let’s implement the BLoC class. The BLoC class will be responsible for implementing all subjects related to business logic. In this example, it is responsible for the counter logic.
So, I have created a file named CounterBloc.js
inside the bloc directory and used a pipe to...
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19 reads
The concept behind the BLoC pattern is straightforward. As you can see in the above figure, business logic will be separated from UI components. First, they will send events to the BLoC using an observer. And then, after processing the request, UI components will be notified by the BLoC using obs...
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92 reads
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