providing mobile app accessibility
Posted: Sun Dec 22, 2024 5:24 am
logical focus order
By default, the focus moves to the closest composable in the given direction (left, right, up or down). Jetpack Compose uses declarative API. It means that the order of the composable functions in the code is the same as the order of the composables in the UI.
So, in most cases it works out of buy uk email list the box, so you don’t have to do anything. There are some exceptions, however, like ConstraintLayout. So, sometimes you have to change the default focus order. For example, look at the following form with two columns:
Don’t forget to add the it.type =condition! If you won’t do that, the focus will move twice on each keystroke. Once when you press the key and next when you release it. You should also take a look at the return value. true means that you handled the event and prevented it from propagating further to other handlers.
Read also: Flutter Pros and Cons – Do You Know Them All?
Let’s delve into another vital element of mobile app accessibility: content labeling.
Illuminating the unseen – the power of content labeling
It’s the time for the aspect most often associated with accessibility. Now you’ll learn how to develop screens readable by screen readers. This is important for people with visual impairments. They use tools like TalkBack to read the content on the screen. Before you begin coding, you need to understand how TalkBack works and set it up for development. You also need to know basic gestures.
Using TalkBack to navigate is a different experience compared to using your eyes. Imagine that you are blind and can’t see the screen. You can’t see the buttons and checkboxes. So, it doesn’t make sense to click them before you know what they do. A single tap can’t work as a click in touch mode!
By default, the focus moves to the closest composable in the given direction (left, right, up or down). Jetpack Compose uses declarative API. It means that the order of the composable functions in the code is the same as the order of the composables in the UI.
So, in most cases it works out of buy uk email list the box, so you don’t have to do anything. There are some exceptions, however, like ConstraintLayout. So, sometimes you have to change the default focus order. For example, look at the following form with two columns:
Don’t forget to add the it.type =condition! If you won’t do that, the focus will move twice on each keystroke. Once when you press the key and next when you release it. You should also take a look at the return value. true means that you handled the event and prevented it from propagating further to other handlers.
Read also: Flutter Pros and Cons – Do You Know Them All?
Let’s delve into another vital element of mobile app accessibility: content labeling.
Illuminating the unseen – the power of content labeling
It’s the time for the aspect most often associated with accessibility. Now you’ll learn how to develop screens readable by screen readers. This is important for people with visual impairments. They use tools like TalkBack to read the content on the screen. Before you begin coding, you need to understand how TalkBack works and set it up for development. You also need to know basic gestures.
Using TalkBack to navigate is a different experience compared to using your eyes. Imagine that you are blind and can’t see the screen. You can’t see the buttons and checkboxes. So, it doesn’t make sense to click them before you know what they do. A single tap can’t work as a click in touch mode!