Map back to home

[ebag]

With qt 5.3 in android, I prevent app from quiting like this:

@Keys.onReleased:{
if (event.key === Qt.Key_Back) {
event.accepted = true;
print('prevent');
}
}
@

And I want to put app in background when the back key is pressed. More likely the home key is pressed.
Need Java code to do this?

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I try to use own Activity insteadof the default, but not work.
@public class MyActivity extends org.qtproject.qt5.android.bindings.QtActivity
{
@Override
public void onBackPressed() {
Intent i= new Intent(Intent.ACTION_MAIN);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
i.addCategory(Intent.CATEGORY_HOME);
startActivity(i);
}
}@