mui.back移动开发双击退出

var rainPage = 0;
mui.back = function() {
	rainPage++;
	if (rainPage>1) {
		plus.runtime.quit();
	} else {
		plus.nativeUI.toast('再按一次退出应用');
	}
	setTimeout(function(){
		rainPage = 0;
	}, 1000);
	return false;
}

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转载自blog.csdn.net/supertree_l/article/details/81556787