Android原生C语言捕获按键
lsfreeing 2012-01-09
#include<stdio.h>
#include<stdlib.h>
#include<fcntl.h>
#include<linux/input.h>
staticintevent0_fd=-1;
structinput_eventev0[64];
//forhandlingevent0,mouse/key/ts
staticinthandle_event0(){
intbutton=0,realx=0,realy=0,i,rd;
rd=read(event0_fd,ev0,sizeof(structinput_event)*64);
if(rd<sizeof(structinput_event))return0;
for(i=0;i<rd/sizeof(structinput_event);i++){
printf("",ev0[i].type,ev0[i].code,ev0[i].value);
if(ev0[i].type==3&&ev0[i].code==0)
realx=ev0[i].value;
elseif(ev0[i].type==3&&ev0[i].code==1)
realy=ev0[i].value;
elseif(ev0[i].type==1){
if(ev0[i].code==158){
//ifkeyescthenexit
return0;
}
}elseif(ev0[i].type==0&&ev0[i].code==0&&ev0[i].value==0){
realx=0,realy=0;
}
printf("event(%d):type:%d;code:%3d;value:%3d;\n",i,ev0[i].type,ev0[i].code,ev0[i].value);
}
return1;
}
intmain(void){
intdone=1;
printf("sizeof(structinput_event)=%d\n",sizeof(structinput_event));
event0_fd=open("/dev/input/event1",O_RDWR);
if(event0_fd<0)
return-1;
while(done){
printf("beginhandel_event0…\n");
done=handle_event0();
printf("endhandel_event0…\n");
}
if(event0_fd>0){
close(event0_fd);
event0_fd=-1;
}
return0;
}
