.factory('setCommon', [
  '$ionicPlatform',
  '$location',
  '$timeout',
  '$cordovaToast',
  '$ionicNativeTransitions',
  function ($ionicPlatform, $location, $timeout, $cordovaToast, $ionicNativeTransitions) {
    return function () {
      // 初始条件声明
      var backButtonPressedOnceToExit = false;
      // 设置启动页
      navigator.splashscreen && navigator.splashscreen.hide && navigator.splashscreen.hide();
      // 设置虚拟键盘和状态栏
      if (window.cordova && window.cordova.plugins && window.cordova.plugins.Keyboard) {
        cordova.plugins.Keyboard.hideKeyboardAccessoryBar(true);
        cordova.plugins.Keyboard.disableScroll(true);
      }
      if (window.StatusBar) {
        StatusBar.styleDefault();
        // IOS overlay , Android not
        ionic.Platform.isIOS() ? StatusBar.overlaysWebView(true) : StatusBar.overlaysWebView(false); 
      }
      // 设置物理硬件后退按钮,只有安卓有效
      $ionicPlatform.registerBackButtonAction(function (e) {
        e.preventDefault();
        if (backButtonPressedOnceToExit) {
          ionic.Platform.exitApp();
        } else {
          /* your-tab-path 如 : /tab/home */
          if ($location.path() == "your-tab-path1" || $location.path() == "your-tab-path2") {
            backButtonPressedOnceToExit = true;
            $cordovaToast.showShortBottom('再按一次退出!');
            $timeout(function () {
              backButtonPressedOnceToExit = false;
            }, 2000);
          }
        }
      }, 110);
      // 设置安卓物理硬件的普通后退
      $ionicPlatform.onHardwareBackButton(function () {
        $ionicNativeTransitions.goBack();
      });
    };
  }]);