ionic2 监听back键；监听navbar的返回键

监听android back键

constructor(public navParams:NavParams) {

} //界面加载完毕 ionViewDidEnter(){ this.platform.registerBackButtonAction(()=>{ … }) } 或 constructor(public navParams:NavParams) { platform.ready().then(() => { this.registerBackButtonAction(); }); } registerBackButtonAction(){ this.platform.registerBackButtonAction(()=>{ … }) }

监听navbar的返回键 @ViewChild(“back”)back:Navbar; //界面加载完成 ionViewDidEnter(){ this.back.backButtonClick=(e: UIEvent)=>{ … } }