My Android app contains a custom slider control based on the SeekBar, and I want to attach a custom text phrase to my control to explain its use for Accessibili
You also need to override http://developer.android.com/reference/android/view/View.html#onInitializeAccessibilityNodeInfo(android.view.accessibility.AccessibilityNodeInfo)
and set the contentDescription there.
If you want to remove the 0%, I would try to change the class in AccessibilityNodeInfo/AccessibilityEvent: http://developer.android.com/reference/android/view/accessibility/AccessibilityNodeInfo.html#setClassName(java.lang.CharSequence)