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How to use Scaledrone as the realtime backend of your app.

Designing the UI elements such as chat bubbles and text inputs.

How to build a fully functional group chat.

You can find the full source code on GitHub. It will work very similarly to apps such as WhatsApp, Facebook Messager and LINE. For automated tests, turn on accessibility checking in Espresso and Robolectric.In this tutorial, we're going to be building a realtime group chat for Android using the Scaledrone Java API Client.

Consider using Accessibility Scanner for Android for manual testing of your app on-device.

To check that the spoken description includes your typed text, listen to TalkBack's description of the editable item.Īndroid's automated testing tools can detect a non-empty contentDescription on editable items.

Move accessibility focus to the editable item.Check whether TalkBack's spoken description of the empty editable item contains a label, and whether that descriptive label matches any visual labels in the app.In the app, move accessibility focus to the empty editable item.To manually verify that an app contains correctly labeled editable items: When a user navigates at a lower granularity, such as character by character, the screen reader speaks the entered text, or the hint when empty. If a user has entered text in the editable field, the screen reader speaks the text in addition to the descriptive label.If the editable field is empty, it has a descriptive label that the screen reader speaks.When users navigate to editable items with a screen reader, a well-implemented user interface has these elements: Tip: TextInputLayout in the Android Design Support Library provides an easy way to manage an EditText and an associated text label, and works well with Android's accessibility services.ĭefining an android:contentDescription on any EditText or editable TextView may interfere with an accessibility service's ability to describe, navigate, and interact with text that a user enters within the item.