我目前工作的一个程序与树莓派是去全屏幕,当我在eclipse“关于PI”运行此程序,它工作正常,看起来像这样的Java GUI不会显示
但是,当我将文件导出到一个可运行的jar,出现这种情况
但我没有得到任何错误,它没有关闭它只是显示了窗户,但没有任何反应。
这里是你看到的框架代码,
package Main;
import java.awt.Button;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Toolkit;
import java.io.IOException;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Tester extends JFrame {
// R3T Object
r3t R3T = new r3t();
// Random Stuff
public static boolean updateMe = false;
private int count = 0;
public static int R3TCount = 0;
private ImageIcon tank_full = new ImageIcon("src/res/level.png");
private ImageIcon tank_empty = new ImageIcon("src/res/tank_empty.png");
// For drawing the rectangle Y = NON DEFAULT
public static int NDRECT_Y = -0;
public static int TankValue = -0;
public static String TankLevel = "0.0";
//RATIOS
private int X1 = (int)(WIDTH * 0.06);
private int Y1 = (int)(HEIGHT * 0.111);
private int Y2 = (int)(HEIGHT * 0.781);
//Screen
public static Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
public static int WIDTH = (int)screenSize.getWidth();
public static int HEIGHT = (int)screenSize.getHeight();
public Tester() {
//Screen Size
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setResizable(false);
this.setTitle("Tank Level");
this.setUndecorated(true);
this.setLocation(0, 0);
this.setSize(new Dimension(WIDTH, HEIGHT));
this.setVisible(true);
}
public void paint(Graphics g) {
g.drawImage(tank_empty.getImage(), 0, 0, WIDTH, HEIGHT, this);
// REMINDER : x , y, x, y
g.drawImage(tank_full.getImage(), X1, Y1, TankValue, Y2, this);
drawTankLevel(g);
g.dispose();
doTask();
count += 1;
}
public void drawTankLevel(Graphics temp) {
temp.setFont(new Font("Vendana", 0, 30));
temp.drawString(" ", (WIDTH/2) - 20, (HEIGHT/2));
temp.drawString(TankLevel, (WIDTH/2)- 20, (HEIGHT/2));
temp.dispose();
}
public static void updateTankLevel(double level) {
TankValue = (int) ((WIDTH * level/100) - (WIDTH * 0.12));
TankLevel = String.valueOf(level);
}
public static double getTankLevel() {
return Double.parseDouble(TankLevel);
}
public void doTask() {
if (count == 0) {
Thread t = new Thread(new Runnable() {
public void run() {
while (true) {
try {
Thread.sleep(2500);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
System.out.println();
System.out.println ("CNT: "+R3TCount);
System.out.println ("-----------------");
R3T.GetDeviceInfo();
R3TCount += 1;
repaint();
} catch (IOException e) {
// TODO Auto-generated catch block
System.out.println("ERROR: " + e.getMessage());
} catch (InterruptedException t) {
System.out.println("ERROR: " + t.getMessage());
}
}
}
});
t.start();
repaint();
}
if (updateMe) {
System.out.println("R3T: Updated Guage!");
updateMe = false;
}
}
public static void main(String[] args) {
Tester test = new Tester();
}
}
这是改变的价值,它的蓝牙扫描代码,并获得设备的名字,就知道这虽然工作正常因为它打印的价值,它只是没有在屏幕上
public void calculateTankLevel(String tempDevice) {
String deviceName = tempDevice.substring(18, tempDevice.length());
int byt_div = 0xE005;
int num_div = 10;
byte[] valueRay;
valueRay = hexStringToByteArray(deviceName.substring(deviceName.length() - 4, deviceName.length()));
double value = twoBytesToShort(valueRay[0], valueRay[1]);
double val = ((value - byt_div)/num_div);
System.out.println ("R3T: Calculated Tank Level");
if (val == Tester.getTankLevel()) {
//The value hasnt change dont update.
System.out.println ("R3T: Tank Level *NU*");
} else {
//Value has changed update UI and send to webservice
//R3TWebCall.sendTankLevel(val);
System.out.println("Tank Level: "+val);
Tester.updateTankLevel(val);
Tester.updateMe = true;
}
}
更新我又增加了一部分我的代码,这是它。
File f = new File("res/level.png");
if(f.exists() && !f.isDirectory()) {
System.out.println("TANK FULL EXISTS");
} else {
System.out.println("TANK FULL DOES NOT EXISTS");
}
File f1 = new File("res/tank_empty.png");
if(f1.exists() && !f.isDirectory()) {
System.out.println("TANK EMPTY EXIST");
} else {
System.out.println("TANK FULL DOES NOT EXISTS");
}
添加此如果长时间存在,我正在寻找它,当我在Eclipse中运行它,它说,文件确实存在,但它会告诉我了!当我导出到一个jar文件时,它说它不存在!
我不打算点击这些链接。关心实际发布图像吗? –
是啊!很抱歉,一秒钟! @rabbitguy – cunniemm
向我们展示代码的重要部分。 – hexafraction