Added in API Level 19
Indicates to accessibility services whether the user should be notified when this view changes. May be an integer value, such as "100".
android:accessibilityLiveRegion = "none"
android:accessibilityLiveRegion = "polite"
android:accessibilityLiveRegion = "assertive"
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none - Accessibility services should not announce changes to this view.
polite - Accessibility services should announce changes to this view.
assertive - Accessibility services should interrupt ongoing speech to immediately announce changes to this view.
Resources:
http://developer.android.com/reference/android/view/View.html#attr_android:accessibilityLiveRegion
http://developer.android.com/reference/android/R.attr.html#accessibilityLiveRegion
