IOS高级开发~开机启动&无限后台运行&监听进程
非越狱情况下实现:
开机启动:App安装到IOS设备设备之后,无论App是否开启过,只要IOS设备重启,App就会随之启动;
无限后台运行:应用进入后台状态,可以无限后台运行,不被系统kill;
监听进程:可获IOS设备运行除系统外的App(包括正在运行和后台运行);
配置项目 plist文件
添加:
<key>UIBackgroundModes</key>
<array>
<string>voip</string>
</array>
功能类:ProccessHelper
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@interface ProccessHelper : NSObject
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+ (NSArray *)runningProcesses;
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@end
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[cpp] view plaincopyprint?
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//#include<objc/runtime.h>
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@implementation ProccessHelper
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//You can determine if your app is being run under the debugger with the following code from
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static bool AmIBeingDebugged(void)
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// Returns true if the current process is being debugged (either
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// running under the debugger or has a debugger attached post facto).
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{
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int junk;
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int mib[4];
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struct kinfo_proc info;
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size_t size;
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// Initialize the flags so that, if sysctl fails for some bizarre
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// reason, we get a predictable result.
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info.kp_proc.p_flag = 0;
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// Initialize mib, which tells sysctl the info we want, in this case
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// we’re looking for information about a specific process ID.
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mib[0] = CTL_KERN;
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mib[1] = KERN_PROC;
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mib[2] = KERN_PROC_PID;
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mib[3] = getpid();
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// Call sysctl.
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size = sizeof(info);
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junk = sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, NULL, 0);
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assert(junk == 0);
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// We’re being debugged if the P_TRACED flag is set.
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return ( (info.kp_proc.p_flag & P_TRACED) != 0 );
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}
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//返回所有正在运行的进程的 id,name,占用cpu,运行时间
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//使用函数int sysctl(int *, u_int, void *, size_t *, void *, size_t)
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+ (NSArray *)runningProcesses
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{
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//指定名字参数,按照顺序*个元素指定本请求定向到内核的哪个子系统,第二个及其后元素依次细化指定该系统的某个部分。
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//CTL_KERN,KERN_PROC,KERN_PROC_ALL 正在运行的所有进程
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int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL ,0};
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size_t miblen = 4;
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//值-结果参数:函数被调用时,size指向的值指定该缓冲区的大小;函数返回时,该值给出内核存放在该缓冲区中的数据量
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//如果这个缓冲不够大,函数就返回ENOMEM错误
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size_t size;
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//返回0,成功;返回-1,失败
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int st = sysctl(mib, miblen, NULL, &size, NULL, 0);
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struct kinfo_proc * process = NULL;
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struct kinfo_proc * newprocess = NULL;
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do
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{
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size += size / 10;
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newprocess = realloc(process, size);
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if (!newprocess)
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{
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if (process)
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{
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free(process);
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process = NULL;
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}
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return nil;
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}
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process = newprocess;
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st = sysctl(mib, miblen, process, &size, NULL, 0);
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} while (st == -1 && errno == ENOMEM);
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if (st == 0)
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{
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if (size % sizeof(struct kinfo_proc) == 0)
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{
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int nprocess = size / sizeof(struct kinfo_proc);
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if (nprocess)
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{
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NSMutableArray * array = [[NSMutableArray alloc] init];
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for (int i = nprocess – 1; i >= 0; i–)
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSString * processID = [[NSString alloc] initWithFormat:@”%d”, process[i].kp_proc.p_pid];
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NSString * processName = [[NSString alloc] initWithFormat:@”%s”, process[i].kp_proc.p_comm];
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NSString * proc_CPU = [[NSString alloc] initWithFormat:@”%d”, process[i].kp_proc.p_estcpu];
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double t = [[NSDate date] timeIntervalSince1970] – process[i].kp_proc.p_un.__p_starttime.tv_sec;
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NSString * proc_useTiem = [[NSString alloc] initWithFormat:@”%f”,t];
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NSString *startTime = [[NSString alloc] initWithFormat:@”%ld”, process[i].kp_proc.p_un.__p_starttime.tv_sec];
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NSString * status = [[NSString alloc] initWithFormat:@”%d”,process[i].kp_proc.p_flag];
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NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
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[dic setValue:processID forKey:@”ProcessID”];
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[dic setValue:processName forKey:@”ProcessName”];
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[dic setValue:proc_CPU forKey:@”ProcessCPU”];
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[dic setValue:proc_useTiem forKey:@”ProcessUseTime”];
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[dic setValue:proc_useTiem forKey:@”ProcessUseTime”];
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[dic setValue:startTime forKey:@”startTime”];
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// 18432 is the currently running application
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// 16384 is background
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[dic setValue:status forKey:@”status”];
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[processID release];
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[processName release];
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[proc_CPU release];
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[proc_useTiem release];
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[array addObject:dic];
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[startTime release];
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[status release];
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[dic release];
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[pool release];
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}
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free(process);
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process = NULL;
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//NSLog(@”array = %@”,array);
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return array;
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}
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}
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}
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return nil;
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}
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@end
实现代码:
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systemprocessArray = [[NSMutableArray arrayWithObjects:
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@”kernel_task”,
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@”launchd”,
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@”UserEventAgent”,
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@”wifid”,
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@”syslogd”,
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@”powerd”,
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@”lockdownd”,
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@”mediaserverd”,
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@”mediaremoted”,
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@”mDNSResponder”,
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@”locationd”,
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@”imagent”,
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@”iapd”,
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@”fseventsd”,
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@”fairplayd.N81″,
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@”configd”,
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@”apsd”,
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@”aggregated”,
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@”SpringBoard”,
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@”CommCenterClassi”,
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@”BTServer”,
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@”notifyd”,
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@”MobilePhone”,
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@”ptpd”,
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@”afcd”,
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@”notification_pro”,
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@”notification_pro”,
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@”syslog_relay”,
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@”notification_pro”,
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@”springboardservi”,
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@”atc”,
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@”sandboxd”,
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@”networkd”,
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@”lsd”,
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@”securityd”,
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@”lockbot”,
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@”installd”,
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@”debugserver”,
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@”amfid”,
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@”AppleIDAuthAgent”,
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@”BootLaunch”,
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@”MobileMail”,
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@”BlueTool”,
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nil] retain];
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– (void)applicationDidEnterBackground:(UIApplication *)application
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{
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while (1) {
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sleep(5);
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[self postMsg];
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}
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[cpp] view plaincopyprint?
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[[UIApplication sharedApplication] setKeepAliveTimeout:600 handler:^{
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NSLog(@”KeepAlive”);
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}];
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}
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– (void)applicationWillResignActive:(UIApplication *)application
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{
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}
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– (void)applicationWillEnterForeground:(UIApplication *)application
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{
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}
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– (void)applicationDidBecomeActive:(UIApplication *)application
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{
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}
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– (void)applicationWillTerminate:(UIApplication *)application
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{
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}
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– (void) postMsg
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{
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//上传到服务器
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NSURL *url = [self getURL];
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NSURLRequest *request = [[NSURLRequest alloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
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NSError *error = nil;
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NSData *received = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:&error];
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if (error) {
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NSLog(@”error:%@”, [error localizedDescription]);
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}
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NSString *str = [[NSString alloc]initWithData:received encoding:NSUTF8StringEncoding];
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NSLog(@”%@”,str);
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}
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– (NSURL *) getURL
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{
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UIDevice *device = [UIDevice currentDevice];
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NSString* uuid = @”TESTUUID”;
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NSString* manufacturer = @”apple”;
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NSString* model = [device model];
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NSString* mobile = [device systemVersion];
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NSString *msg = [NSString stringWithFormat:@”Msg:%@ Time:%@”, [self processMsg], [self getTime]];
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CFShow(msg);
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/ 省略部分代码 /
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NSString *urlStr = [strUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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NSURL *url = [NSURL URLWithString:urlStr];
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return url;
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}
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– (BOOL) checkSystemProccess:(NSString *) proName
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{
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if ([systemprocessArray containsObject:proName]) {
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return YES;
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}
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return NO;
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}
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– (BOOL) checkFirst:(NSString *) string
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{
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NSString *str = [string substringToIndex:1];
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NSRange r = [@”ABCDEFGHIJKLMNOPQRSTUVWXWZ” rangeOfString:str];
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if (r.length > 0) {
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return YES;
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}
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return NO;
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}
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– (NSString *) processMsg
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{
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NSArray *proMsg = [ProccessHelper runningProcesses];
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if (proMsg == nil) {
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return nil;
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}
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NSMutableArray *proState = [NSMutableArray array];
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for (NSDictionary *dic in proMsg) {
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NSString *proName = [dic objectForKey:@”ProcessName”];
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if (![self checkSystemProccess:proName] && [self checkFirst:proName]) {
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NSString *proID = [dic objectForKey:@”ProcessID”];
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NSString *proStartTime = [dic objectForKey:@”startTime”];
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if ([[dic objectForKey:@”status”] isEqualToString:@”18432″]) {
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NSString *msg = [NSString stringWithFormat:@”ProcessName:%@ – ProcessID:%@ – StartTime:%@ Running:YES”, proName, proID, proStartTime];
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[proState addObject:msg];
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} else {
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NSString *msg = [NSString stringWithFormat:@”ProcessName:%@ – ProcessID:%@ – StartTime:%@ Running:NO”, proName, proID, proStartTime];
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[proState addObject:msg];
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}
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}
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}
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NSString *msg = [proState componentsJoinedByString:@”______”];
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return msg;
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}
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// 获取时间
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– (NSString *) getTime
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{
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NSDateFormatter *formatter =[[[NSDateFormatter alloc] init] autorelease];
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formatter.dateStyle = NSDateFormatterMediumStyle;
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formatter.timeStyle = NSDateFormatterMediumStyle;
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formatter.locale = [NSLocale currentLocale];
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NSDate *date = [NSDate date];
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[formatter setTimeStyle:NSDateFormatterMediumStyle];
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NSCalendar *calendar = [[[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] autorelease];
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NSDateComponents *comps = [[[NSDateComponents alloc] init] autorelease];
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NSInteger unitFlags = NSYearCalendarUnit |
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NSMonthCalendarUnit |
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NSDayCalendarUnit |
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NSWeekdayCalendarUnit |
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NSHourCalendarUnit |
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NSMinuteCalendarUnit |
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NSSecondCalendarUnit;
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comps = [calendar components:unitFlags fromDate:date];
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int year = [comps year];
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int month = [comps month];
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int day = [comps day];
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int hour = [comps hour];
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int min = [comps minute];
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int sec = [comps second];
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NSString *time = [NSString stringWithFormat:@”%d-%d-%d %d:%d:%d”, year, month, day, hour, min, sec];
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return time;
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}
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@end