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烙印99
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var page = sm("do_Page");
var global = sm("do_Global");
var nf = sm("do_Notification");
var canBack = false;
page.on("back", function(){
if (canBack) {
global.exit();
} else {
nf.toast("再按一次退出");
canBack = true;
delay3.start();
}
});
var delay3 = mm("do_Timer");
delay3.delay = 3000;
delay3.interval = 1000;
delay3.on("tick", function(){
this.stop();
canBack = false;
});
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