disconnect this undo/redo from the text view . concode_field_sep LinkedList<EditItem> mmHistory concode_elem_sep TextView mTextView concode_elem_sep int mmMaxHistorySize concode_elem_sep EditHistory mEditHistory concode_elem_sep CharSequence mmAfter concode_elem_sep CharSequence mmBefore concode_elem_sep boolean mIsUndoOrRedo concode_elem_sep int mmPosition concode_elem_sep EditTextChangeListener mChangeListener concode_elem_sep CharSequence mBeforeChange concode_elem_sep CharSequence mAfterChange concode_elem_sep int mmStart concode_field_sep void add concode_elem_sep EditItem getPrevious concode_elem_sep void onTextChanged concode_elem_sep void storePersistentState concode_elem_sep void clear concode_elem_sep boolean getCanRedo concode_elem_sep void afterTextChanged concode_elem_sep void redo concode_elem_sep EditItem getNext concode_elem_sep boolean getCanUndo concode_elem_sep void trimHistory concode_elem_sep boolean restorePersistentState concode_elem_sep void undo concode_elem_sep void clearHistory concode_elem_sep void beforeTextChanged concode_elem_sep boolean doRestorePersistentState concode_elem_sep void setMaxHistorySize concode_elem_sep void setMaxHistorySize