[英]“.txt file not found” when trying to read/write in it on local storage - Libgdx, Android studio
我正在使用Libgdx在Android Studio上制作一個簡單的游戲,並且將我的高分作為一個簡單的整數記錄在txt文件中,該文件位於android> assets文件夾中。 在我的GameOverState中,將我的當前分數與文本文件中的分數進行比較,如果該分數較大,則將其替換為txt文件。 同樣,每次我進入MenuState時,都會從文件中讀取高分並顯示為BitmapFont。 問題是:當我在桌面上運行它時,它可以正常運行,但是當我在模擬器中對其進行換碼時,會發生錯誤:
com.badlogic.gdx.utils.GdxRuntimeException: File not found: hs.txt (Local)
這是我的GameOverState:
package com.asya.game.states;
import com.asya.game.Ozone;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
public class GameOverState extends state {
public int sc;
private Texture bgr;
private BitmapFont scoreFont;
public String txtScore;
public Integer hs;
public SaveHS saving;
public GameOverState(GameStateManager gsm, int score) {
super(gsm);
bgr = new Texture("gameOver.png");
sc = score;
scoreFont = new BitmapFont();
scoreFont.setColor(Color.WHITE);
//write to file if score is greater than the previous score
FileHandle file = Gdx.files.local("hs.txt");
txtScore = file.readString();
hs = Integer.parseInt(txtScore);
if (score > hs){
hs = score;
txtScore = Integer.toString(hs);
file.writeString(txtScore, false);
}
/*
saving = new SaveHS();
hs = saving.Load();
if (score > hs) {
hs = score;
saving.Save(score);
}
*/
cam.setToOrtho(false, Ozone.WIDTH, Ozone.HEIGHT);
}
@Override
protected void handleInput() {
if(Gdx.input.justTouched())
gsm.set(new MenuState(gsm));
}
@Override
public void update(float dt) {
handleInput();
}
@Override
public void render(SpriteBatch sb) {
sb.begin();
sb.setProjectionMatrix(cam.combined);
sb.draw(bgr, cam.position.x - (cam.viewportWidth / 2), 0);
scoreFont.draw(sb, "SCORE: " + sc, cam.position.x / 2 + 140, cam.position.y + 200);
sb.end();
}
@Override
public void dispose() {
bgr.dispose();
scoreFont.dispose();
}
}
這是我的MenuState:
package com.asya.game.states;
import com.asya.game.Ozone;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.InputProcessor;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.math.Rectangle;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.GdxRuntimeException;
import java.io.FileNotFoundException;
import java.io.ObjectOutputStream;
public class MenuState extends state implements InputProcessor{
private Texture background;
private Texture playBtn, helpBtn;
private Vector2 posPlayBtn, posHelpBtn;
private Rectangle boundPlayBtn, boundHelpBtn;
private String highScore;
private BitmapFont hScoreFont;
public SaveHS saving;
public int s;
public MenuState(GameStateManager gsm) {
super(gsm);
background = new Texture("bgr.png");
playBtn = new Texture("play.png");
helpBtn = new Texture("help.png");
cam.setToOrtho(false, Ozone.WIDTH, Ozone.HEIGHT);
posPlayBtn = new Vector2((Ozone.WIDTH / 2)- (playBtn.getWidth()/2), Ozone.HEIGHT/2 +playBtn.getHeight()/2);
posHelpBtn = new Vector2((Ozone.WIDTH / 2) - (helpBtn.getWidth() / 2), Ozone.HEIGHT / 2 - helpBtn.getHeight() / 2);
boundPlayBtn = new Rectangle(posPlayBtn.x, posPlayBtn.y, playBtn.getWidth(), playBtn.getHeight());
boundHelpBtn = new Rectangle(posHelpBtn.x, posHelpBtn.y, helpBtn.getWidth(), helpBtn.getHeight());
hScoreFont = new BitmapFont();
hScoreFont.setColor(Color.WHITE);
FileHandle file = Gdx.files.local("hs.txt");
highScore = file.readString();
/*
saving = new SaveHS();
s = saving.Load();
*/
Gdx.input.setInputProcessor(this);
}
@Override
public void handleInput() {
}
@Override
public void update(float dt) {
handleInput();
}
@Override
public void render(SpriteBatch sb) {
//open sprite batch and close when done
sb.setProjectionMatrix(cam.combined);
sb.begin();
sb.draw(background, cam.position.x - (cam.viewportWidth / 2), 0); //image, starting from coordinate 0, 0 (bottom left corner) and width and heiht
hScoreFont.draw(sb, "HIGH SCORE: " + highScore, cam.position.x / 2 + 140, cam.position.y + 200);
sb.draw(playBtn, posPlayBtn.x, posPlayBtn.y);
sb.draw(helpBtn, posHelpBtn.x, posHelpBtn.y );
sb.end();
}
@Override
public void dispose() {
background.dispose();
playBtn.dispose();
helpBtn.dispose();
hScoreFont.dispose();
System.out.println("Menu State Disposed");
}
@Override
public boolean keyDown(int keycode) {
return false;
}
@Override
public boolean keyUp(int keycode) {
return false;
}
@Override
public boolean keyTyped(char character) {
return false;
}
@Override
public boolean touchDown(int screenX, int screenY, int pointer, int button) {
if(boundPlayBtn.contains(Gdx.graphics.getWidth() - screenX, Gdx.graphics.getHeight() - screenY)){
gsm.set(new playState(gsm));
}
if(boundHelpBtn.contains(Gdx.graphics.getWidth() - screenX, Gdx.graphics.getHeight() - screenY)){
gsm.set(new helpingState(gsm));
}
return false;
}
@Override
public boolean touchUp(int screenX, int screenY, int pointer, int button) {
return false;
}
@Override
public boolean touchDragged(int screenX, int screenY, int pointer) {
return false;
}
@Override
public boolean mouseMoved(int screenX, int screenY) {
return false;
}
@Override
public boolean scrolled(int amount) {
return false;
}
}
為什么不使用Preferences
,請在此處找到更多信息。
它處理所有設備上的所有保存,並且是libGDX API的一部分。
// Get an instance
Preferences prefs = Gdx.app.getPreferences("Highscores");
// Save a high score
prefs.putInteger("high1", 999);
// Make sure it is saved
prefs.flush();
// Get the high score (the 0 is default, in case no high1 is set yet)
int high1 = prefs.getInteger("high1", 0);
當API提供了這樣做的方法時,您實際上不應該在.txt
保存高分。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.