问题描述
我正在尝试创建一个风险克隆游戏。偶尔（每 20 次）在闪屏消失后，JFrame 返回空。在添加启动画面之前，这从未发生过。
例如空白 JFrame 的图像。 SplashScreen 有这个不受欢迎的错误。这可能与线程有关，但我不确定。任何帮助将不胜感激。我需要专家的眼光才能看到我遗漏了什么。
对比我应该看到的
Main.java
//Group WhyNotBot
import java.lang.*;
import java.util.*;
import java.util.List;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;
public class mainClass extends JPanel implements ActionListener {
//constant variables to use
static String playerOneName;
static String playerTwoName;
static boolean playerOneNameSet;
static boolean nameSetUpDone= false;
public static final int NUM_PLAYERS = 2;
public static final int NUM_NEUTRALS = 4;
public static final int NUM_PLAYERS_PLUS_NEUTRALS = NUM_PLAYERS + NUM_NEUTRALS;
public static final int NUM_COUNTRIES = 42;
public static final int INIT_COUNTRIES_PLAYER = 9;
public static final int INIT_COUNTRIES_NEUTRAL = 6;
public static final int INIT_UNITS_PLAYER = 36;
public static final int INIT_UNITS_NEUTRAL = 24;
public static final String[] COUNTRY_NAMES = {
"Ontario","Quebec","NW Territory","Alberta","Greenland","E United States","W United States","Central America","Alaska","Great Britain","W Europe","S Europe","Ukraine","N Europe","Iceland","Scandinavia","Afghanistan","India","Middle East","Japan","Ural","Yakutsk","Kamchatka","Siam","Irkutsk","Siberia","Mongolia","China","E Australia","New Guinea","W Australia","Indonesia","Venezuela","Peru","Brazil","Argentina","Congo","N Africa","S Africa","Egypt","E Africa","Madagascar"};
// for reference
public static final int[][] ADJACENT = {
{4,1,5,6,3,2},// 0
{4,0},{4,8},{2,{14,{0,7,6},{3,7},{6,32},22},15,13,10},{9,11,37},// 10
{13,12,18,39,{20,16,15},{15,10,9},9,4},{12,14},27,17,12},{16,23,18},40,11},{26,{25,// 20
{22,24,25},{8,19,26,21},{27,31,17},{21,22,20},{24,20,{29,30},{28,30,31},28,// 30
{23,29,{7,34,33},{32,35},37,35,{33,34},{37,38},{10,36,{36,41},{11,{39,41,38,//40
{38,40}
};
public static final int NUM_CONTINENTS = 6;
public static final String[] CONTINENT_NAMES = {"N America","Europe","Asia","Australia","S America","Africa"}; // for reference
public static final int[] CONTINENT_IDS = {0,2,4,5};
public static final int[] CONTINENT_VALUES = {5,3};
public static final int[][] COUNTRY_COORD = {
{191,150},// 0
{255,161},{146,86},{123,144},{314,61},{205,235},{135,219},{140,299},{45,89},{370,199},{398,280},// 10
{465,270},{547,180},{460,200},{393,127},{463,122},{628,227},{679,332},{572,338},{861,213},{645,152},// 20
{763,70},{827,94},{751,360},{750,140},{695,108},{760,216},{735,277},{889,537},{850,429},{813,526},// 30
{771,454},{213,352},{221,426},{289,415},{233,523},{496,462},{440,393},{510,532},{499,354},432},// 40
{586,545}
};
private static final long serialVersionUID = 1L;
//default constructor
public mainClass() {
}
//paint components
public void paintComponent(Graphics g) {
//set background color to white
g.setColor(Color.white);
g.fillRect(0,getWidth(),getHeight());
if(nameSetUpDone ==false) {
//iterating through array to correctly position nodes and country string names and colors
for(int i =0; i<COUNTRY_COORD.length;i++) {
//coloring the continents
if(i<=8) {
g.setColor(Color.yellow);
}
if(i>8 && i <=15) {
g.setColor(Color.blue);
}
if(i>=16 && i <=27) {
g.setColor(Color.green);
}if(i>=28 && i <=31) {
g.setColor(Color.black);
}
if(i>=32 && i <=35) {
g.setColor(Color.orange);
}
if(i>=36 && i <=41) {
g.setColor(Color.red);
}
//creating the circular nodes
g.filloval(COUNTRY_COORD[i][0],COUNTRY_COORD[i][1],20);
//setting the text color to black
g.setColor(Color.black);
//writing the country names
g.drawString(COUNTRY_NAMES[i],(COUNTRY_COORD[i][0]-10),(COUNTRY_COORD[i][1]-10));
}
}else {
// if nameSetUpDone is true i.e we are done setting up the names
// then assign each player 9 territories and each of the 4 neutral players 6 territories
for(int i =0; i<COUNTRY_COORD.length;i++) {
//coloring the continents for each of the players
if(i<=8) {
g.setColor(Color.yellow);
}
if(i>8 && i <=17) {
g.setColor(Color.blue);
}
if(i>17 && i <=23) {
g.setColor(Color.green);
}if(i>23 && i <=29) {
g.setColor(Color.black);
}
if(i>29 && i <=35) {
g.setColor(Color.orange);
}
if(i>35 && i <=41) {
g.setColor(Color.red);
}
//creating the circular nodes
g.filloval(COUNTRY_COORD[i][0],(COUNTRY_COORD[i][1]-10));
//writing the armies underneath the names of the countries
g.drawString("1",(COUNTRY_COORD[i][0]+-5),(COUNTRY_COORD[i][1]+30));
}
}
//making the lines dashed
Graphics2D g2d = (Graphics2D) g;
stroke dashed = new Basicstroke(2,Basicstroke.CAP_BUTT,Basicstroke.JOIN_BEVEL,new float[]{9},0);
g2d.setstroke(dashed);
g.setColor(Color.black);
//diagonal lines intersecting nodes
g.drawLine(COUNTRY_COORD[29][0]+10,COUNTRY_COORD[29][1],COUNTRY_COORD[31][0]+10,COUNTRY_COORD[31][1]);
g.drawLine(COUNTRY_COORD[29][0]+10,COUNTRY_COORD[30][0]+10,COUNTRY_COORD[30][1]);
g.drawLine(COUNTRY_COORD[30][0]+10,COUNTRY_COORD[30][1],COUNTRY_COORD[31][1]);
g.drawLine(COUNTRY_COORD[30][0]+10,COUNTRY_COORD[28][0]+10,COUNTRY_COORD[28][1]);
g.drawLine(COUNTRY_COORD[29][0]+10,COUNTRY_COORD[28][1]);
g.drawLine(COUNTRY_COORD[23][0]+10,COUNTRY_COORD[23][1],COUNTRY_COORD[31][1]);
g.drawLine(COUNTRY_COORD[23][0]+10,COUNTRY_COORD[27][0]+10,COUNTRY_COORD[27][1]);
g.drawLine(COUNTRY_COORD[23][0]+10,COUNTRY_COORD[17][0]+10,COUNTRY_COORD[17][1]);
g.drawLine(COUNTRY_COORD[27][0]+10,COUNTRY_COORD[27][1],COUNTRY_COORD[17][1]);
g.drawLine(COUNTRY_COORD[17][0]+10,COUNTRY_COORD[17][1],COUNTRY_COORD[18][0]+10,COUNTRY_COORD[18][1]);
g.drawLine(COUNTRY_COORD[16][0]+10,COUNTRY_COORD[16][1],COUNTRY_COORD[16][0]+10,COUNTRY_COORD[16][1]);
g.drawLine(COUNTRY_COORD[16][0]+10,COUNTRY_COORD[18][1]);
g.drawLine(COUNTRY_COORD[12][0]+10,COUNTRY_COORD[12][1],COUNTRY_COORD[12][0]+10,COUNTRY_COORD[12][1]);
g.drawLine(COUNTRY_COORD[16][0]+10,COUNTRY_COORD[20][0]+10,COUNTRY_COORD[20][1]);
g.drawLine(COUNTRY_COORD[20][0]+10,COUNTRY_COORD[20][1],COUNTRY_COORD[27][1]);
g.drawLine(COUNTRY_COORD[12][0]+10,COUNTRY_COORD[20][1]);
g.drawLine(COUNTRY_COORD[41][0]+10,COUNTRY_COORD[41][1],COUNTRY_COORD[38][0]+10,COUNTRY_COORD[38][1]);
g.drawLine(COUNTRY_COORD[41][0]+10,COUNTRY_COORD[40][0]+10,COUNTRY_COORD[40][1]);
g.drawLine(COUNTRY_COORD[38][0]+10,COUNTRY_COORD[38][1],COUNTRY_COORD[36][0]+10,COUNTRY_COORD[36][1]);
g.drawLine(COUNTRY_COORD[40][0]+10,COUNTRY_COORD[40][1],COUNTRY_COORD[36][1]);
g.drawLine(COUNTRY_COORD[37][0]+10,COUNTRY_COORD[37][1],COUNTRY_COORD[40][1]);
g.drawLine(COUNTRY_COORD[37][0]+10,COUNTRY_COORD[39][0]+10,COUNTRY_COORD[39][1]);
g.drawLine(COUNTRY_COORD[39][0]+10,COUNTRY_COORD[39][1],COUNTRY_COORD[40][1]);
g.drawLine(COUNTRY_COORD[39][0]+10,COUNTRY_COORD[18][1]);
g.drawLine(COUNTRY_COORD[40][0]+10,COUNTRY_COORD[18][1]);
g.drawLine(COUNTRY_COORD[32][0]+10,COUNTRY_COORD[32][1],COUNTRY_COORD[34][0]+10,COUNTRY_COORD[34][1]);
g.drawLine(COUNTRY_COORD[32][0]+10,COUNTRY_COORD[33][0]+10,COUNTRY_COORD[33][1]);
g.drawLine(COUNTRY_COORD[34][0]+10,COUNTRY_COORD[34][1],COUNTRY_COORD[33][1]);
g.drawLine(COUNTRY_COORD[33][0]+10,COUNTRY_COORD[33][1],COUNTRY_COORD[35][0]+10,COUNTRY_COORD[35][1]);
g.drawLine(COUNTRY_COORD[34][0]+10,COUNTRY_COORD[35][1]);
g.drawLine(COUNTRY_COORD[32][0]+10,COUNTRY_COORD[7][0]+10,COUNTRY_COORD[7][1]);
g.drawLine(COUNTRY_COORD[7][0]+10,COUNTRY_COORD[7][1],COUNTRY_COORD[6][0]+10,COUNTRY_COORD[6][1]);
g.drawLine(COUNTRY_COORD[7][0]+10,COUNTRY_COORD[5][0]+10,COUNTRY_COORD[5][1]);
g.drawLine(COUNTRY_COORD[6][0]+10,COUNTRY_COORD[6][1],COUNTRY_COORD[5][1]);
g.drawLine(COUNTRY_COORD[5][0]+10,COUNTRY_COORD[5][1],COUNTRY_COORD[1][0]+10,COUNTRY_COORD[1][1]);
g.drawLine(COUNTRY_COORD[1][0]+10,COUNTRY_COORD[1][1],COUNTRY_COORD[0][0]+10,COUNTRY_COORD[0][1]);
g.drawLine(COUNTRY_COORD[0][0]+10,COUNTRY_COORD[0][1],COUNTRY_COORD[3][0]+10,COUNTRY_COORD[3][1]);
g.drawLine(COUNTRY_COORD[5][0]+10,COUNTRY_COORD[0][1]);
g.drawLine(COUNTRY_COORD[6][0]+10,COUNTRY_COORD[3][1]);
g.drawLine(COUNTRY_COORD[8][0]+10,COUNTRY_COORD[8][1],COUNTRY_COORD[3][1]);
g.drawLine(COUNTRY_COORD[2][0]+10,COUNTRY_COORD[2][1],COUNTRY_COORD[2][0]+10,COUNTRY_COORD[2][1]);
g.drawLine(COUNTRY_COORD[0][0]+10,COUNTRY_COORD[2][1]);
g.drawLine(COUNTRY_COORD[2][0]+10,COUNTRY_COORD[4][0]+10,COUNTRY_COORD[4][1]);
g.drawLine(COUNTRY_COORD[1][0]+10,COUNTRY_COORD[4][1]);
g.drawLine(COUNTRY_COORD[4][0]+10,COUNTRY_COORD[4][1],COUNTRY_COORD[14][0]+10,COUNTRY_COORD[14][1]);
g.drawLine(COUNTRY_COORD[4][0]+10,COUNTRY_COORD[0][1]);
g.drawLine(COUNTRY_COORD[10][0]+10,COUNTRY_COORD[10][1],COUNTRY_COORD[11][0]+10,COUNTRY_COORD[11][1]);
g.drawLine(COUNTRY_COORD[10][0]+10,COUNTRY_COORD[37][0]+10,COUNTRY_COORD[37][1]);
g.drawLine(COUNTRY_COORD[37][0]+10,COUNTRY_COORD[11][1]);
g.drawLine(COUNTRY_COORD[11][0]+10,COUNTRY_COORD[11][1],COUNTRY_COORD[39][1]);
g.drawLine(COUNTRY_COORD[11][0]+10,COUNTRY_COORD[13][0]+10,COUNTRY_COORD[13][1]);
g.drawLine(COUNTRY_COORD[13][0]+10,COUNTRY_COORD[13][1],COUNTRY_COORD[15][0]+10,COUNTRY_COORD[15][1]);
g.drawLine(COUNTRY_COORD[15][0]+10,COUNTRY_COORD[15][1],COUNTRY_COORD[12][1]);
g.drawLine(COUNTRY_COORD[14][0]+10,COUNTRY_COORD[14][1],COUNTRY_COORD[9][0]+10,COUNTRY_COORD[9][1]);
g.drawLine(COUNTRY_COORD[14][0]+10,COUNTRY_COORD[9][1]);
g.drawLine(COUNTRY_COORD[11][0]+10,COUNTRY_COORD[12][1]);
g.drawLine(COUNTRY_COORD[10][0]+10,COUNTRY_COORD[13][1]);
g.drawLine(COUNTRY_COORD[10][0]+10,COUNTRY_COORD[9][1]);
g.drawLine(COUNTRY_COORD[9][0]+10,COUNTRY_COORD[9][1],COUNTRY_COORD[13][1]);
g.drawLine(COUNTRY_COORD[12][0]+10,COUNTRY_COORD[13][1]);
g.drawLine(COUNTRY_COORD[27][0]+10,COUNTRY_COORD[19][0]+10,COUNTRY_COORD[19][1]);
g.drawLine(COUNTRY_COORD[27][0]+10,COUNTRY_COORD[26][0]+10,COUNTRY_COORD[26][1]);
g.drawLine(COUNTRY_COORD[19][0]+10,COUNTRY_COORD[19][1],COUNTRY_COORD[26][1]);
g.drawLine(COUNTRY_COORD[24][0]+10,COUNTRY_COORD[24][1],COUNTRY_COORD[26][1]);
g.drawLine(COUNTRY_COORD[25][0]+10,COUNTRY_COORD[25][1],COUNTRY_COORD[24][0]+10,COUNTRY_COORD[24][1]);
g.drawLine(COUNTRY_COORD[26][0]+10,COUNTRY_COORD[26][1],COUNTRY_COORD[25][0]+10,COUNTRY_COORD[25][1]);
g.drawLine(COUNTRY_COORD[25][0]+10,COUNTRY_COORD[21][0]+10,COUNTRY_COORD[21][1]);
g.drawLine(COUNTRY_COORD[21][0]+10,COUNTRY_COORD[21][1],COUNTRY_COORD[19][1]);
g.drawLine(COUNTRY_COORD[22][0]+10,COUNTRY_COORD[22][1],COUNTRY_COORD[21][1]);
g.drawLine(COUNTRY_COORD[19][0]+10,COUNTRY_COORD[22][0]+10,COUNTRY_COORD[22][1]);
g.drawLine(COUNTRY_COORD[24][0]+10,COUNTRY_COORD[19][1]);
g.drawLine(COUNTRY_COORD[26][0]+10,COUNTRY_COORD[20][1]);
g.drawLine(COUNTRY_COORD[24][0]+10,COUNTRY_COORD[21][1]);
g.drawLine(COUNTRY_COORD[18][0]+10,COUNTRY_COORD[18][1],COUNTRY_COORD[11][1]);
g.drawLine(COUNTRY_COORD[21][0]+10,1000,COUNTRY_COORD[22][1]);
g.drawLine(0,COUNTRY_COORD[8][0]+10,COUNTRY_COORD[8][1]);
}
public static void main(String[] args) {
new SplashScreen();
// title of frame
JFrame frame = new JFrame("Risk");
//Creating a text field
JTextField textField = new JTextField(20);
frame.add(textField,BorderLayout.soUTH);
JLabel welcome = new JLabel("");
welcome.setFont (welcome.getFont ().deriveFont (20.0f));
welcome.setText("Please Enter name for Player 1 in the text Box at the bottom");
frame.add(welcome,BorderLayout.norTH);
//action listener listens for enter key
textField.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent evt)
{
//checks if player Ones name is set and sets player Twos name aswell
if (!playerOneNameSet)
{
playerOneName = textField.getText();
textField.setText("");
welcome.setText("Please Enter name for Player 2 in the text Box at the bottom");
playerOneNameSet = true;
}
else
{
playerTwoName = textField.getText();
textField.setText("");
//turning the nameSetUpDone to true as we are finished setting up the names
nameSetUpDone = true;
// repainting as we want to update the screen
frame.getContentPane().repaint();
welcome.setText("Player One:" + playerOneName +" Player Two:" + playerTwoName + " Awaiting player one move");
}
}
});
// make sure it closes correctly
frame.setDefaultCloSEOperation(JFrame.EXIT_ON_CLOSE);
//frame size in pixels
final int FRAME_WIDTH = 1000;
final int FRAME_HEIGHT = 700;
frame.setSize(FRAME_WIDTH,FRAME_HEIGHT);
// makes sure the frame is visible
frame.setVisible(true);
mainClass main = new mainClass();
frame.add(main);
}
@Override
public void actionPerformed(ActionEvent e) {
}
}
SplashScreen.java
import javax.swing.*;
import java.awt.*;
public class SplashScreen {
JFrame frameSplash;
JLabel image=new JLabel(new ImageIcon("risk.jpg"));
JLabel text=new JLabel("Risk By WhyNotBot");
JProgressBar progressBar=new JProgressBar();
JLabel message=new JLabel();
SplashScreen()
{
createGUIForApp();
addImagetoJFrame();
addTextToJPanel();
addProgressBarToJFrame();
addMessagetoJFrame();
runningPBar();
frameSplash.dispose();
}
public void createGUIForApp(){
frameSplash=new JFrame();
frameSplash.getContentPane().setLayout(null);
frameSplash.setUndecorated(true);
frameSplash.setSize(600,400);
frameSplash.setLocationRelativeto(null);
frameSplash.getContentPane().setBackground(Color.BLACK);
frameSplash.setVisible(true);
}
public void addImagetoJFrame(){
image.setSize(600,200);
frameSplash.add(image);
}
public void addTextToJPanel()
{
text.setFont(new Font("Helvetica",Font.BOLD,35));
text.setBounds(170,220,600,40);
text.setForeground(Color.WHITE);
frameSplash.add(text);
}
public void addMessagetoJFrame()
{
message.setBounds(250,320,200,40);
message.setForeground(Color.black);
message.setFont(new Font("Helvetica",35));
frameSplash.add(message);
}
public void addProgressBarToJFrame(){
progressBar.setBounds(100,280,400,30);
progressBar.setBorderPainted(true);
progressBar.setStringPainted(true);
progressBar.setBackground(Color.WHITE);
progressBar.setForeground(Color.BLACK);
progressBar.setValue(0);
frameSplash.add(progressBar);
}
public void runningPBar(){
int i=0;
while( i<=100)
{
try{
Thread.sleep(25);
progressBar.setValue(i);
message.setText("LOADING "+Integer.toString(i)+"%");
i++;
if(i==100 || i>98)
frameSplash.dispose();
}catch(Exception e){
e.printstacktrace();
}
}
}
}
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
如果你已经找到好的解决方法，欢迎将解决方案带上本链接一起发送给小编。
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