Label pairs of elements where one describes the other.
#Principle app twitter how to#
For more details, see the section describing how to Object should have its android:labelFor attribute set to the ID of theĮditText element. In these situations, youĬan use the android:hint attribute, as shown in the following snippet: Making this example text available to screen readers. Text that gives examples of valid input in the element itself, in addition to The contentDescription attribute, as explained in the guide to making appsĪre several other labeling techniques to keep in mind, as described in the Resource file that contains this element.
In most cases, you specify a given UI element's description in the layout These labels to users who rely on these services. Screen readers such as TalkBack can announce Each label should explain the meaning and It's important to provide users with useful and descriptive labels for each Who consume this content don't need to rely on entirely visual or aural cues. Make media content more accessible Try to add descriptions to your app's video or audio content so that users To do so, use patterns and position, along with color, to express theseĭifferences. Use cues other than color Users should be able to clearly distinguish between categories of elements inĪ UI. Provide most of the accessibility capabilities that your app needs. The framework's view and widget classes already Use or extend system widgets Build off of the view elements that the framework includes, rather thanĬreating your own custom views.
The key guidelines described in Make apps moreĮach of the following best practices can further improve your app'sĪccessibility: Label elements Users should be able to understand the content and purpose of each interactiveĪnd meaningful UI element within your app. In order to help people with accessibility needs use your app successfully, yourĪpp should follow the best practices described on this page, which build upon Allows forĬontrolling the device using only 1 or 2 buttons. Performs actions in response to the user pressing a button. Helps people who have motor disabilities. Synthesized voice, and performs actions on an app in response to user gestures. Helps people who have low vision or are blind.
#Principle app twitter android#
Need, the Android framework provides the ability for developers to create anĪccessibility service, which presents apps' content to them and operates appsĪndroid provides several system accessibility services, including the following:
To assist a given group of the population who shares an accessibility Some people who use Android devices have different accessibility needs than
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