iOS学习笔记01-APP相关

tluhb 9年前
   <h3>AppDelegate对象方法</h3>    <pre>  <code class="language-objectivec"># 程序第一次启动后才会执行  - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions;  # 程序将要失去焦点时执行  - (void)applicationWillResignActive:(UIApplication *)application;  # 程序得到焦点时调用  - (void)applicationDidBecomeActive:(UIApplication *)application;  # 程序进入后台执行  - (void)applicationDidEnterBackground:(UIApplication *)application;  # 程序进入前台执行  - (void)applicationDidEnterForeground:(UIApplication *)application;  # 程序即将退出时调用  - (void)applicationWillTerminate:(UIApplication *)application;  # 程序发生内存警告的时候调用  - (void)applicationDidReceiveMemoryWarning:(UIApplication *)application;</code></pre>    <p><img alt="iOS学习笔记01-APP相关" src="https://simg.open-open.com/show/8321590a67ec50ba0084cee512e47288.png" width="330" height="392"></p>    <p>APP启动加载</p>    <pre>  <code class="language-objectivec">- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions  {      // 设置window属性(iOS应用必须有一个主窗口UIWindow),初始化windows的大小和位置      self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];      // 设置window的背景      self.window.backgroundColor = [UIColor whiteColor];        // 初始化KCMainViewController      KCMainViewController *mainController = [[KCMainViewController alloc]init];      // 设置自定义控制器的大小和window相同,位置为(0,0)      mainController.view.frame = self.window.bounds;        // 设置此控制器为window的根控制器,UIWindown必须有根控制器      self.window.rootViewController = mainController;      // 设置window为应用程序主窗口并设为可见      [self.window makeKeyAndVisible];      return YES;  }</code></pre>    <h3>UIApplication常用属性和方法</h3>    <pre>  <code class="language-objectivec"># 属性  // 显示应用图标右上角数字  application.applicationBadgeNumber = 8;  // 设置状态栏样式  application.statusBarStyle = UIStatusBarStyleBlackOpaque;  // 显示或隐藏状态栏  application.statusBarHidden = YES;  // 状态栏网络请求状态  application.networkActivityIndicatorVisible = YES;  # 方法  // 用默认浏览器打开网页  [application openURL:[NSURL urlWithString:@"http://www.baidu.com"]];  // 打电话  [application openURL:[NSURL urlWithString:@"tel://xxxxxxxxx"]];  // 发短信  [application openURL:[NSURL urlWithString:@"sms://xxxxxxxxx"]];</code></pre>    <p>来源:http://www.cnblogs.com/liutingIOS/p/5351508.html </p>