Android Studio 文件名必须以 .xml 结尾

Question

我正在按照制作井字游戏的教程进行操作，它给了我这个错误：

build fail Caused by: C:UserszavieDownloadsFinal ProjectappsrcmainresvaluesBoard.kt: Error: The file name must end with .xml
at com.android.ide.common.resources.MergingException.throwIfNonEmpty(MergingException.java:166)
at com.android.ide.common.resources.DataSet.loadFromFiles(DataSet.java:262)
at com.android.build.gradle.tasks.MergeResources.lambda$doFullTaskAction$0(MergeResources.java:238)
at com.android.build.gradle.internal.tasks.Blocks.recordSpan(Blocks.java:58)
at com.android.build.gradle.tasks.MergeResources.doFullTaskAction(MergeResources.java:232)
... 92 more

我不知道为什么其他所有内容都检查出来，我看到了其他一些帖子，但它们都与字体或 png 有关。任何帮助将不胜感激，因为我对 kotlin 和 android 工作室相当陌生。

我的代码：

package values
class Board {
//Strings for PLAYER and COMPUTER
companion object {
const val PLAYER = "O"
const val COMPUTER = "X"
}
// internal board
//and for this we used a 3 by 3 array of Strings 
val board = Array(3) { arrayOfNulls<String>(3) }

//a list of all the empty cells 
val availableCells: List<Cell>
get() {
val cells = mutableListOf<Cell>()
for (i in board.indices) {
for (j in board.indices) {
if (board[i][j].isNullOrEmpty()) {
cells.add(Cell(i, j))
}
}
}
return cells
}

//if the game is over or not
val isGameOver: Boolean
get() = hasComputerWon() || hasPlayerWon() || availableCells.isEmpty()

//Weather the computer or player has won or not
fun hasComputerWon(): Boolean {
if (board[0][0] == board[1][1] &&
board[0][0] == board[2][2] &&
board[0][0] == COMPUTER ||
board[0][2] == board[1][1] &&
board[0][2] == board[2][0] &&
board[0][2] == COMPUTER
) {
return true
}
for (i in board.indices) {
if (
board[i][0] == board[i][1] &&
board[i][0] == board[i][2] &&
board[i][0] == COMPUTER ||
board[0][i] == board[1][i] &&
board[0][i] == board[2][i] &&
board[0][i] == COMPUTER
) {
return true
}
}
return false
}
fun hasPlayerWon(): Boolean {
if (board[0][0] == board[1][1] &&
board[0][0] == board[2][2] &&
board[0][0] == PLAYER ||
board[0][2] == board[1][1] &&
board[0][2] == board[2][0] &&
board[0][2] == PLAYER
) {
return true
}
for (i in board.indices) {
if (
board[i][0] == board[i][1] &&
board[i][0] == board[i][2] &&
board[i][0] == PLAYER ||
board[0][i] == board[1][i] &&
board[0][i] == board[2][i] &&
board[0][i] == PLAYER
) {
return true
}
}
return false
}

//in this var we will store the computersMove
var computersMove: Cell? = null
//this is our minimax function to calculate
//the best move for the computer
fun minimax(depth: Int, player: String): Int {
if (hasComputerWon()) return +1
if (hasPlayerWon()) return -1
if (availableCells.isEmpty()) return 0
var min = Integer.MAX_VALUE
var max = Integer.MIN_VALUE
for (i in availableCells.indices) {
val cell = availableCells[i]
if (player == COMPUTER) {
placeMove(cell, COMPUTER)
val currentScore = minimax(depth + 1, PLAYER)
max = Math.max(currentScore, max)
if (currentScore >= 0) {
if (depth == 0) computersMove = cell
}
if (currentScore == 1) {
board[cell.i][cell.j] = ""
break
}
if (i == availableCells.size - 1 && max < 0) {
if (depth == 0) computersMove = cell
}
} else if (player == PLAYER) {
placeMove(cell, PLAYER)
val currentScore = minimax(depth + 1, COMPUTER)
min = Math.min(currentScore, min)
if (min == -1) {
board[cell.i][cell.j] = ""
break
}
}
board[cell.i][cell.j] = ""
}
return if (player == COMPUTER) max else min
}
//this function is placing a move in the given cell 
fun placeMove(cell: Cell, player: String) {
board[cell.i][cell.j] = player
}
}

Answer 1

请检查res文件夹中的值文件夹。可能有.kt文件，请将其删除或放在其他.kt文件所在的java文件夹中。在 res 文件夹中，您可以放置 xml 或 png，jpg 文件，但不能放置 Java 或 kotlin 文件。

Answer 2

您已将Board.kt文件放在res/values/文件夹中。它应该放在java.com.YOUR_PACKAGE_NAME文件夹中。