keypressedcanvas.java

KeyPressed手机按键控制演示程序说明 KeyPressed手机按键控制演示程序主要功能是演示测试手机按键操作的源代码

/**源代码由程序员联合开发网(www.pudn.com)会员"周润发"收集、整理、重新编辑
 *Email: [e-mail]
 *QQ号：1103798882
 *欢迎大家与我联系互相交流学习 
 **/
package KeyPressed_package;

import java.io.IOException;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;

public class KeyPressedCanvas extends Canvas implements Runnable{
	private boolean RUN = true;	
	private int[] RUN_STATES = {0,1,0,0};
	int xx=0,yy=0,PIC_N=10,move_x=this.getWidth()/2,move_y=this.getHeight()/2,CN=5;
	
	private Image[] img = new Image[PIC_N];
	
	public KeyPressedCanvas(){
		super();		
		try {			
			img[1] = Image.createImage("/pic/p_down.gif");
			img[2] = Image.createImage("/pic/xyj_png8x256_map001.png");			
		} catch (IOException ex) {
			// TODO Auto-generated catch block
			ex.printStackTrace();
		}
		
		
		new Thread(this).start();
	}

	public void run() {
		// TODO Auto-generated method stub
		while(RUN){				
			try {
				this.repaint();				
				Thread.currentThread();
				Thread.sleep(100);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
	public void keyPressed(int keyCode){
		System.out.println(keyCode+"被按下");
		switch (getGameAction(keyCode))
	      {
	         case UP:
	        	 move_y-=CN;yy+=CN;
	        	 switch(RUN_STATES[0])
	        	 {
	        	 	case 0:
		        		try {		 				
			 				img[1] = Image.createImage("/pic/p_up.gif");
			 				RUN_STATES[0] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
		        		try {		 				
				 				img[1] = Image.createImage("/pic/p_up2.gif");
				 				RUN_STATES[0]=2;
				 		} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
				 		}
				 		break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_up.gif");
			 				RUN_STATES[0]=3;
				 		} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
				 		}
				 		break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_up3.gif");
			 				RUN_STATES[0]=0;
				 		} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
				 		}
				 		break;
			 		default:
			 			RUN_STATES[0]=0;
			 			break;
	        	 }		        	 
	            break;
	         case DOWN:
	            move_y+=CN;yy-=CN;
	            switch(RUN_STATES[1])
	        	 {
	        	 	case 0:
		        		try {
			 				img[1] = Image.createImage("/pic/p_down.gif");
			 				RUN_STATES[1] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_down2.gif");
			 				RUN_STATES[1]=2;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_down.gif");
			 				RUN_STATES[1]=3;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_down3.gif");
			 				RUN_STATES[1]=0;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
			 		default:
			 			RUN_STATES[1]=0;
			 			break;
	        	 }
	            break;
	         case RIGHT:
	            move_x+=CN;xx-=CN;
	            switch(RUN_STATES[2])
	        	 {
	        	 	case 0:
		        		try {		 				
			 				img[1] = Image.createImage("/pic/p_R.gif");
			 				RUN_STATES[2] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_R2.gif");
			 				RUN_STATES[2]=2;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_R.gif");
			 				RUN_STATES[2]=3;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_R3.gif");
			 				RUN_STATES[2]=0;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
			 		default:
			 			RUN_STATES[2]=0;
	        	 		break;
	        	 }
	            break;
	         case LEFT:
	            move_x-=CN;xx+=CN;
	            switch(RUN_STATES[3])
	        	 {
	        	 	case 0:
		        		try {		 				
			 				img[1] = Image.createImage("/pic/p_L.gif");
			 				RUN_STATES[3] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_L2.gif");
			 				RUN_STATES[3]=2;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_L.gif");
			 				RUN_STATES[3]=3;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_L3.gif");
			 				RUN_STATES[3]=0;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	default:
	        	 		RUN_STATES[3]=0;
			 			break;
	        	 }
	            break;
	      }
	}
	public void keyRepeated(int keyCode){
		System.out.println(keyCode+"被按下");
		switch (getGameAction(keyCode))
	      {
	         case UP:
	        	 move_y-=CN;yy+=CN;
	        	 switch(RUN_STATES[0])
	        	 {
	        	 	case 0:
		        		try {		 				
			 				img[1] = Image.createImage("/pic/p_up.gif");
			 				RUN_STATES[0] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
		        		try {		 				
				 				img[1] = Image.createImage("/pic/p_up2.gif");
				 				RUN_STATES[0]=2;
				 		} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
				 		}
				 		break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_up.gif");
			 				RUN_STATES[0]=3;
				 		} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
				 		}
				 		break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_up3.gif");
			 				RUN_STATES[0]=0;
				 		} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
				 		}
				 		break;
			 		default:
			 			RUN_STATES[0]=0;
			 			break;
	        	 }		        	 
	            break;
	         case DOWN:
	            move_y+=CN;yy-=CN;
	            switch(RUN_STATES[1])
	        	 {
	        	 	case 0:
		        		try {
			 				img[1] = Image.createImage("/pic/p_down.gif");
			 				RUN_STATES[1] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_down2.gif");
			 				RUN_STATES[1]=2;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_down.gif");
			 				RUN_STATES[1]=3;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_down3.gif");
			 				RUN_STATES[1]=0;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
			 		default:
			 			RUN_STATES[1]=0;
			 			break;
	        	 }
	            break;
	         case RIGHT:
	            move_x+=CN;xx-=CN;
	            switch(RUN_STATES[2])
	        	 {
	        	 	case 0:
		        		try {		 				
			 				img[1] = Image.createImage("/pic/p_R.gif");
			 				RUN_STATES[2] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_R2.gif");
			 				RUN_STATES[2]=2;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_R.gif");
			 				RUN_STATES[2]=3;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_R3.gif");
			 				RUN_STATES[2]=0;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
			 		default:
			 			RUN_STATES[2]=0;
	        	 		break;
	        	 }
	            break;
	         case LEFT:
	            move_x-=CN;xx+=CN;
	            switch(RUN_STATES[3])
	        	 {
	        	 	case 0:
		        		try {		 				
			 				img[1] = Image.createImage("/pic/p_L.gif");
			 				RUN_STATES[3] = 1;
			 			} catch (IOException ex) {
				 				// TODO Auto-generated catch block
				 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 1:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_L2.gif");
			 				RUN_STATES[3]=2;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 2:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_L.gif");
			 				RUN_STATES[3]=3;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	case 3:
	        	 		try {		 				
			 				img[1] = Image.createImage("/pic/p_L3.gif");
			 				RUN_STATES[3]=0;
			 			} catch (IOException ex) {
			 				// TODO Auto-generated catch block
			 				ex.printStackTrace();
			 			}
			 			break;
	        	 	default:
	        	 		RUN_STATES[3]=0;
			 			break;
	        	 }
	            break;
	      }
	}

	protected void paint(Graphics gra) {
		// TODO Auto-generated method stub
		
		gra.setColor(255, 255, 255);
		gra.fillRect(0, 0, this.getWidth(), this.getHeight());
		//gra.drawImage(img[2], xx, yy, Graphics.TOP|Graphics.LEFT);
		//gra.drawImage(img[2], 0, 0, Graphics.TOP|Graphics.LEFT);
		
		//gra.drawImage(img[1], xx+move_x, yy+move_y, Graphics.TOP|Graphics.LEFT);
		gra.drawImage(img[1], move_x, move_y, Graphics.TOP|Graphics.LEFT);
		
		gra.setFont(Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_LARGE));
		gra.setColor(0,0,255);
		gra.drawString(" x=" + move_x  + "  y=" + move_y , this.getWidth()/16, this.getHeight()/16, Graphics.LEFT | Graphics.TOP);
		
	}		
}