{"version":"https:\/\/jsonfeed.org\/version\/1","title":"Just Developer Blog, \u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u0441 \u0442\u0435\u0433\u043e\u043c: Objective-C","home_page_url":"http:\/\/bibobo.ru\/tags\/objective-c\/","feed_url":"http:\/\/bibobo.ru\/tags\/objective-c\/json\/","icon":false,"author":{"name":"\u0415\u0432\u0433\u0435\u043d\u0438\u0439 \u0418\u0432\u043e\u043d (Evgeniy Ivon)","url":"http:\/\/bibobo.ru\/","avatar":false},"items":[{"id":"31","url":"http:\/\/bibobo.ru\/all\/poluchenie-informacii-o-sostoyanii-batarei-v-macos-vypolneniem-k\/","title":"\u041f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e\u00a0\u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0438 \u0431\u0430\u0442\u0430\u0440\u0435\u0438 \u0432\u00a0MacOS (\u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u043a\u043e\u043d\u0441\u043e\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b)","content_html":"<p>\u041f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f <i>MacOS<\/i> \u0434\u043e\u00a0<i>Sierra<\/i> \u044f \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0441\u044f \u0441\u00a0\u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439\u00a0\u2014 \u0432\u00a0\u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0430\u0440\u0435 \u0438\u0441\u0447\u0435\u0437\u043b\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431\u00a0\u043e\u0441\u0442\u0430\u0432\u0448\u0435\u043c\u0441\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u043e\u0442\u00a0\u0431\u0430\u0442\u0430\u0440\u0435\u0438. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043d\u0430\u00a0\u0441\u0430\u043c\u043e\u043c \u0434\u0435\u043b\u0435 \u0440\u0435\u0448\u0430\u0435\u0442\u0441\u044f \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u043e\u0441\u0442\u043e\u00a0\u2014 \u043c\u043e\u0436\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0435\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 <a href=\"https:\/\/github.com\/codler\/Battery-Time-Remaining\">Battery-Time-Remaining<\/a>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u043c \u0448\u0432\u0435\u0439\u0446\u0430\u0440\u0441\u043a\u0438\u043c \u043d\u043e\u0436\u043e\u043c \u0432\u00a0\u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u00a0\u0431\u0430\u0442\u0430\u0440\u0435\u0435\u0439 \u043c\u0430\u043a\u0431\u0443\u043a\u0430. \u041d\u043e\u00a0\u043c\u043d\u0435 \u0437\u0430\u0445\u043e\u0442\u0435\u043b\u043e\u0441\u044c \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e\u0431\u00a0\u043e\u0441\u0442\u0430\u0432\u0448\u0435\u043c\u0441\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u043e\u0442\u00a0\u0431\u0430\u0442\u0430\u0440\u0435\u0438 \u0432\u00a0<i>MacOS<\/i> \u0438\u00a0\u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0441\u0432\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0434\u043b\u044f\u00a0\u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0430\u0440\u0430.<\/p>\n<p><br\/><\/p>\n<p>\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0434\u0432\u0430 \u0441\u043f\u043e\u0441\u043e\u0431\u0430 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u0431\u0430\u0442\u0430\u0440\u0435\u0438 \u0432\u00a0<i>MacOS<\/i>:<\/p>\n<p><br\/><\/p>\n<ol start=\"1\">\n<li>(\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0439) \u043f\u0440\u0438\u00a0\u043f\u043e\u043c\u043e\u0449\u0438 \u043d\u0430\u0431\u043e\u0440\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 <a href=\"https:\/\/developer.apple.com\/reference\/iokit\">IOPowerFunctions<\/a> \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 <i>IOKit<\/i>;<\/li>\n<li>(\u0431\u044b\u0441\u0442\u0440\u044b\u0439) \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u043a\u043e\u043d\u0441\u043e\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u201c<b>pmset -g batt<\/b>\u201d \u0438\u00a0\u043f\u0430\u0440\u0441\u0438\u043d\u0433\u0430 \u0432\u044b\u0432\u043e\u0434\u0430.<br \/>\n<input id=\"button_macos_pmset_battery_remaining\" type=\"button\" onclick=\"toggle(cut_macos_pmset_battery_remaining, button_macos_pmset_battery_remaining)\" value=\"\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u044c\u0448\u0435\" hiddenText=\"\u0421\u0432\u0435\u0440\u043d\u0443\u0442\u044c\" visibleText=\"\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u044c\u0448\u0435\"><\/li>\n<\/ol>\n<div id=\"cut_macos_pmset_battery_remaining\" style=\"display: none;\" displayOld=\"\"><p><\/p>\n<p><br><\/p>\n<p>\u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u0432\u0442\u043e\u0440\u044b\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u043c (\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0435\u00a0\u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043e \u043d\u0430\u00a0\u043f\u0440\u043e\u0434\u0430\u043a\u0448\u043d \u0438\u00a0\u0435\u0433\u043e \u043d\u0443\u0436\u043d\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0431\u044b\u0441\u0442\u0440\u043e) \u0438\u00a0\u043d\u0430\u043f\u0438\u0448\u0435\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u0432\u043e\u0434\u0438\u0442\u044c \u043e\u0441\u0442\u0430\u0432\u0448\u0435\u0435\u0441\u044f \u0432\u0440\u0435\u043c\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u043e\u0443\u0442\u0431\u0443\u043a\u0430 \u043e\u0442\u00a0\u0431\u0430\u0442\u0430\u0440\u0435\u0438 \u0432\u00a0\u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0430\u0440\u0435.<\/p>\n<p>\u041f\u0440\u0438\u043d\u0446\u0438\u043f \u0440\u0430\u0431\u043e\u0442\u044b \u0431\u0443\u0434\u0435\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c:<\/p>\n<p><br\/><\/p>\n<ol start=\"1\">\n<li>\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f <i>IOKit<\/i> \u043f\u043e\u0434\u043f\u0438\u0448\u0435\u043c\u0441\u044f \u043d\u0430\u00a0\u043d\u043e\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u0431\u00a0\u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u0431\u0430\u0442\u0430\u0440\u0435\u0438 \u0434\u043b\u044f\u00a0\u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0432\u00a0\u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0430\u0440\u0435 (\u043c\u043e\u0436\u043d\u043e \u043a\u043e\u043d\u0435\u0447\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043f\u0440\u0438\u00a0\u043f\u043e\u043c\u043e\u0449\u0438 \u0442\u0430\u0439\u043c\u0435\u0440\u0430, \u043d\u043e\u00a0\u044d\u0442\u043e \u043b\u0438\u0448\u043d\u044f\u044f \u0442\u0440\u0430\u0442\u0430 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u044b)<\/li>\n<li>\u043f\u0440\u0438\u00a0\u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u0431\u0430\u0442\u0430\u0440\u0435\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f <i>NSTask<\/i> \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c \u043a\u043e\u043d\u0441\u043e\u043b\u044c\u043d\u0443\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443 \u0438\u00a0\u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u043c \u0435\u0435 \u0432\u044b\u0432\u043e\u0434<\/li>\n<li>\u043f\u0430\u0440\u0441\u0438\u043c \u0432\u044b\u0432\u043e\u0434 \u0438\u00a0\u043f\u0435\u0440\u0435\u0441\u043e\u0437\u0434\u0430\u0435\u043c \u043c\u0435\u043d\u044e \u0432\u00a0\u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0430\u0440\u0435<br \/>\n<br\/><\/li>\n<\/ol>\n<p>\u0427\u0442\u043e\u0431\u044b \u0432\u0441\u0435 \u0443\u0441\u043f\u0435\u0448\u043d\u043e \u0437\u0430\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c <i>IOKit.framework<\/i> \u0438\u00a0\u0437\u0430\u0440\u0435\u0444\u0435\u0440\u0435\u043d\u0441\u0438\u0442\u044c \u0445\u0435\u0434\u0435\u0440 <i>IOKit\/ps\/IOPowerSources.h<\/i><\/p>\n<p>\u0422\u0430\u043a\u00a0\u0436\u0435, \u043d\u0443\u0436\u043d\u043e \u043d\u0435\u00a0\u0437\u0430\u0431\u044b\u0442\u044c \u0441\u043d\u044f\u0442\u044c \u0433\u0430\u043b\u043e\u0447\u043a\u0443 <i>Visible At\u00a0Launch<\/i> \u0441\u00a0<i>NSWindow<\/i> \u0432\u00a0<i>Xib<\/i> \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f (\u044d\u0442\u043e \u0437\u0430\u043f\u0440\u0435\u0442\u0438\u0442 \u043e\u043a\u043d\u0443 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043f\u043e\u044f\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u043d\u0430\u00a0\u044d\u043a\u0440\u0430\u043d\u0435, \u043d\u0430\u043c \u043d\u0443\u0436\u0435\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0430\u0440)<\/p>\n<p>\u0427\u0442\u043e\u0431\u044b \u0441\u043a\u0440\u044b\u0442\u044c \u0438\u043a\u043e\u043d\u043a\u0443 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0438\u0437\u00a0\u0434\u043e\u043a\u0430 <i>MacOS<\/i> \u043d\u0443\u0436\u043d\u043e \u0432\u00a0<i>info.plist<\/i> \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0444\u043b\u0430\u0433 <i>LSUIElement<\/i> \u0432\u00a0\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <i>YES<\/i><\/p>\n<p><br\/><\/p>\n<pre class=\"e2-text-code\"><code>- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {\r\n    \/\/ Capture Power Source updates and make sure our callback is called\r\n    CFRunLoopSourceRef loop = IOPSNotificationCreateRunLoopSource(PowerSourceChanged, (__bridge void *)self);\r\n    CFRunLoopAddSource(CFRunLoopGetCurrent(), loop, kCFRunLoopDefaultMode);\r\n    CFRelease(loop);\r\n    \r\n    self.statusItem = [[NSStatusBar systemStatusBar] statusItemWithLength:NSVariableStatusItemLength];\r\n    self.statusItem.title = @&quot;Checking...&quot;;\r\n    self.statusItem.highlightMode = YES;\r\n    \r\n    \/\/request battery status for the first time\r\n    [self requestBatteryStatus];\r\n}\r\n\r\n\/\/ IOPS notification callback on power source change\r\nstatic void PowerSourceChanged(void * context)\r\n{\r\n    \/\/requesting battery status\r\n    AppDelegate *self = (__bridge AppDelegate *)context;\r\n    [self requestBatteryStatus];\r\n}\r\n\r\n-(void)requestBatteryStatus\r\n{\r\n    \/\/create task &amp; launch 'pmset' to get battery status string\r\n    NSPipe *pipe = [NSPipe pipe];\r\n    NSFileHandle *file = pipe.fileHandleForReading;\r\n    \r\n    NSTask *task = [[NSTask alloc] init];\r\n    task.launchPath = @&quot;\/usr\/bin\/pmset&quot;;\r\n    task.arguments = @[@&quot;-g&quot;, @&quot;batt&quot;];\r\n    task.standardOutput = pipe;\r\n    \r\n    [task launch];\r\n    \r\n    NSData *data = [file readDataToEndOfFile];\r\n    [file closeFile];\r\n    \r\n    \/\/parse string to get particular items\r\n    NSString *result = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];\r\n    NSString *statusData = [result componentsSeparatedByString:@&quot;\t&quot;][1];\r\n    NSArray *status = [statusData componentsSeparatedByString:@&quot;;&quot;];\r\n    \r\n    \/\/battery charge percent\r\n    NSString *batteryPercent = [status[0] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];\r\n    \/\/charging status\r\n    NSString *batteryChanging = [status[1] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];\r\n    \r\n    \/\/ETA\r\n    NSString *batteryEstimate = [status[2] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];\r\n    \/\/remaining hours\r\n    NSString *batteryRemaining = batteryEstimate;\r\n    NSRange range = [batteryEstimate rangeOfString:@&quot;present&quot;];\r\n    if(range.length &gt; 0){\r\n        batteryEstimate = [[[batteryEstimate substringToIndex:range.location] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@&quot;()&quot;]];\r\n        \r\n        batteryRemaining = [batteryEstimate componentsSeparatedByString:@&quot; &quot;][0];\r\n    }\r\n    \r\n    \/\/recrete status bar menu\r\n    NSMenu *menu = [[NSMenu alloc] init];\r\n    [menu addItemWithTitle:batteryPercent action:nil keyEquivalent:@&quot;&quot;];\r\n    [menu addItemWithTitle:batteryEstimate action:nil keyEquivalent:@&quot;&quot;];\r\n    [menu addItemWithTitle:batteryChanging action:nil keyEquivalent:@&quot;&quot;];\r\n    \r\n    [menu addItem:[NSMenuItem separatorItem]];\r\n    \r\n    [menu addItemWithTitle:@&quot;Exit&quot; action:@selector(exitAction:) keyEquivalent:@&quot;&quot;];\r\n    \r\n    self.statusItem.menu = menu;\r\n    \r\n    self.statusItem.title = [batteryRemaining stringByAppendingString:@&quot; ETA&quot;];\r\n    \r\n    NSLog(@&quot;Request success!&quot;);\r\n}\r\n\r\n-(void)exitAction:(id)sender\r\n{\r\n    exit(0);\r\n}<\/code><\/pre><\/div>","date_published":"2017-01-02T12:44:55+03:00","date_modified":"2017-01-03T11:06:59+03:00","_date_published_rfc2822":"Mon, 02 Jan 2017 12:44:55 +0300","_rss_guid_is_permalink":"true","_rss_guid":"http:\/\/bibobo.ru\/all\/poluchenie-informacii-o-sostoyanii-batarei-v-macos-vypolneniem-k\/","_e2_data":{"is_favourite":false,"links_required":["system\/library\/highlight\/highlight.js","system\/library\/highlight\/highlight.css"],"og_images":[]}}],"_e2_version":3254,"_e2_ua_string":"E2 (v3254; Aegea)"}