A.ContentProvider的作用是實(shí)現(xiàn)數(shù)據(jù)共享和交換 B.要訪問(wèn)ContentProvider,只需調(diào)用ContentProvider的增刪改查相關(guān)方法 C.ContentProvider提供的URI必須以“content://”開(kāi)頭 D.Android對(duì)于系統(tǒng)里的音視頻、圖像、通訊錄提供了內(nèi)置的ContentProvider
A.sendBroadcast() B.sendCommonBroadcast() C.sendOrderedBroadcast() D.sendStickyBroadcast()
A.add B.delete C.update D.query