android通过号码查询联系人姓名

复制就可以用。传入号码和上下文

??? public static String queryNameByNum(String num,Context context)
??? {
??????? Cursor cursorOriginal =
??????????? context.getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
??????????????? new String[] {ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME},
??????????????? ContactsContract.CommonDataKinds.Phone.NUMBER + "='"+num+"'",null,null);
??????? if(null!=cursorOriginal)
??????? {
??????????? if(cursorOriginal.getCount()>1)
??????????? {
??????????????? return null;
??????????? }else{
??????????????? if(cursorOriginal.moveToFirst())
??????????????? {
??????????????????? return cursorOriginal.getString(cursorOriginal.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
??????????????? }else
??????????????? {
??????????????????? return null;
??????????????? }
??????????? }
??????? }else
??????? {
??????????? return null;
??????? }
??? }