debug_angular_ui_router.js

// Credits: Adam's answer in http://stackoverflow.com/a/20786262/69362
// Paste this in browser's console
var $rootScope = angular.element(document.querySelectorAll("[ui-view]")[0]).injector().get('$rootScope');

$rootScope.$on('$stateChangeStart',function(event, toState, toParams, fromState, fromParams){
  console.log('$stateChangeStart to '+toState.to+'- fired when the transition begins. toState,toParams : \n',toState, toParams);
});

$rootScope.$on('$stateChangeError',function(event, toState, toParams, fromState, fromParams){
  console.log('$stateChangeError - fired when an error occurs during transition.');
  console.log(arguments);
});

$rootScope.$on('$stateChangeSuccess',function(event, toState, toParams, fromState, fromParams){
  console.log('$stateChangeSuccess to '+toState.name+'- fired once the state transition is complete.');
});

$rootScope.$on('$viewContentLoaded',function(event){
  console.log('$viewContentLoaded - fired after dom rendered',event);
});

$rootScope.$on('$stateNotFound',function(event, unfoundState, fromState, fromParams){
  console.log('$stateNotFound '+unfoundState.to+'  - fired when a state cannot be found by its name.');
  console.log(unfoundState, fromState, fromParams);
});