[Ralf]

5 years, 8 months ago #19489

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Ok, this Script works,

document.addEventListener("backbutton", onBackKeyDown, false);

function onBackKeyDown() {
    var curr_page = sap.ui.getCore().byId("Application").getCurrentPage();
    console.info(curr_page.getId());
    if (curr_page.getId() === "PAGE1") {
        console.info('close pressed');
        window.navigator.app.exitApp(); // OK
    } else {
        console.info('back pressed');
        // window.navigator.app.backHistory(); // <no action
        this.navBack(); // Uncaught TypeError this.navBack is not a function
        // window.navigator.app.navBack();  // Uncaught TypeError window.navigator.app.navBack is not a function
    }

}

but this.navBack(); and the other variations doesn´t.
Any Idea why?