question: get an accessibilitymanager instance create one if necessary . concode_field_sep IAccessibilityManagerClient.Stub mClient concode_elem_sep AccessibilityManager sInstance concode_field_sep List<AccessibilityServiceInfo> getEnabledAccessibilityServiceList concode_elem_sep boolean isHighTextContrastEnabled concode_elem_sep boolean isTouchExplorationEnabled concode_elem_sep boolean removeTouchExplorationStateChangeListener concode_elem_sep IAccessibilityManagerClient getClient concode_elem_sep void removeAccessibilityInteractionConnection concode_elem_sep boolean addAccessibilityStateChangeListener concode_elem_sep boolean removeHighTextContrastStateChangeListener concode_elem_sep int addAccessibilityInteractionConnection concode_elem_sep boolean addHighTextContrastStateChangeListener concode_elem_sep void onAccessibilityStateChanged concode_elem_sep boolean removeAccessibilityStateChangeListener concode_elem_sep void onHighTextContrastStateChanged concode_elem_sep boolean isEnabled concode_elem_sep void onTouchExplorationStateChanged concode_elem_sep void interrupt concode_elem_sep List<ServiceInfo> getAccessibilityServiceList concode_elem_sep void setState concode_elem_sep List<AccessibilityServiceInfo> getInstalledAccessibilityServiceList concode_elem_sep boolean addTouchExplorationStateChangeListener concode_elem_sep void sendAccessibilityEvent concode_elem_sep void setStateLocked
target: AccessibilityManager function ( Context arg0 ) { return sInstance ; }