应用程序退出后退按钮在android qtquick中单击

Question

I am developing an app which will run firstly on Android. However, I have an issue with back button: each time it is tapped the application quits. I don't want this behaviour. I have checked a lot of approaches and I've tried to implement some code but nothing worked.

Here is my code:

Item {
    id: student_home_page;
    focus: true

    // ///////////////////////////////////////////////////////////////

    Keys.onReleased: {
        console.log("TEST for Back ");
        if (event.key == Qt.Key_Back) {
            console.log("BAck Button HAndled");
            event.accepted = true;
        }
    }
}

When I click back button after reaching this page, it does not print anything on console as it is not going inside

I only get this message on console of Qt Creator:

/uniActivity(15431): onStop
I/AndroidRuntime(15431): VM exiting with result code 0, cleanup skipped.

Any idea why it is not handling this key event or not any at all inside?

Answer 1

您应该处理StackView本身内部的后退按钮，而不是子页面，请在此处查看我的答案

Answer 2

Maybe this could be useful for you. Try to override the activity onBackPressed() method:

@Override
public void onBackPressed() {
    // Do something or call finish()
}