我将使用java编写的函数转换为Kotlin特有的问题。
这是用Java编写的:
private boolean isOldOemCommissioningFormat(byte[] assetData) {
if (assetData == null
|| assetData.length < mAssetDataDelimeterByteCount + mAssetDataOwnerIdByteCount + mAssetDataIdLeadingZerosByteCount + mAssetDataIdByteCount)
return false;
int oemMarkerIndex = mAssetDataDelimeterByteCount + mAssetDataIdLeadingZerosByteCount + mAssetDataIdByteCount;
if (assetData[oemMarkerIndex] == PARTIAL_OEM_MARKER || assetData[oemMarkerIndex] == FULL_OEM_MARKER)
return ((assetData[oemMarkerIndex + 1] >> 6) & 0x01) == 0;
return false;
}
但是,当我使用Android Studio IDE转换器转换为Kotlin时,它给了我:
private fun isOldOemCommissioningFormat(assetData: ByteArray?): Boolean {
if (assetData == null || assetData.size < mAssetDataDelimeterByteCount + mAssetDataOwnerIdByteCount + mAssetDataIdLeadingZerosByteCount + mAssetDataIdByteCount)
return false
val oemMarkerIndex = mAssetDataDelimeterByteCount + mAssetDataIdLeadingZerosByteCount + mAssetDataIdByteCount
return if (assetData[oemMarkerIndex] == PARTIAL_OEM_MARKER || assetData[oemMarkerIndex] == FULL_OEM_MARKER) assetData[oemMarkerIndex + 1] shr 6 and 0x01 == 0 else false
}
我猜错了转换,加上'shr'在红色标记为未解析的引用。
我怎样才能正确转换它?
其他变量是:
public static final byte PARTIAL_OEM_MARKER = '#';
public static final byte FULL_OEM_MARKER = '&';
public static final int OEM_COMMISSIONING_CUSTOMER_ID_ENCODING_CHARACTERS_COUNT = 40;
public static final int OEM_COMMISSIONING_CUSTOMER_ID_ENCODING_FIRST_CHARACTER_INDEX = 64;
和
private final int mAssetDataIdLeadingZerosByteCount;
private final int mAssetDataIdByteCount;
private final int mAssetDataDelimeterByteCount;
private final int mAssetDataOwnerIdByteCount;
在Kotlin“shr”仅适用于Int和Long,尝试转换您的值
assetData[oemMarkerIndex + 1].toInt()
将字节从assetData[oemMarkerIndex + 1]
转换为Int
:assetData[oemMarkerIndex + 1].toInt()