InputConnection.commitText(CharSequencetext,intnewCursorPosition)的文档表示newCursorPosition意味着:int:Thenewcursorpositionaroundthetext,inJavacharacters.If>0,thisisrelativetotheendofthetext-1;ifSoavalueof1willalwaysadvancethecursortothepositionafterthefulltextbeinginserted.Notethatthismeansyoucan'tposi