constructor(public getData: Data, public nav: NavController, private navParams: NavParams, public sqlite: SQLiteService){
		this.nav = nav;
    this.testId = this.navParams.get('testId');
	}

 constructor(private nav: NavController, public navParams: NavParams, public viewCtrl: ViewController) {
   this.userinfo = this.navParams.get('user');
   this.data = this.navParams.get('data')
 }

 constructor(public params: NavParams, public viewCtrl: ViewController) {
   this.guest = this.params.get('guest');  
   this.loaded = false;
 }

 constructor(private nav: NavController, navParams: NavParams) {
   this.product = navParams.get('product');
   console.log(this.product);
 }

 constructor(private viewCtrl: ViewController, params: NavParams, translate: TranslateService) {
     this.title = params.get('title') || translate.instant('core.imageviewer');
     this.image = params.get('image');
     this.component = params.get('component');
     this.componentId = params.get('componentId');
 }

 constructor(private nav: NavController, private alertController: AlertController,private params:NavParams) {
   this.nav = nav;
   this.senha1 = "";
   this.senha2 = "";
   this.id = params.get("parametro");
 }

 constructor(public viewCtrl: ViewController, params: NavParams) {
   this.isFavorite = params.get('isFavorite');
 }

 constructor(navParams: NavParams, courseHelper: CoreCourseHelperProvider, private viewCtrl: ViewController) {
     this.sections = navParams.get('sections');
     this.selected = navParams.get('selected');
 }

 constructor(navParams: NavParams) {
     this.module = navParams.get('module') || {};
     this.courseId = navParams.get('courseId');
     this.selectedGroup = navParams.get('group') || 0;
     this.title = this.module.name;
 }

 ionViewDidLoad() {
   this.postId = this.navParams.get('postId');
   console.log(this.postId);
   this.post = this.data.getPostById(this.postId);
 }