importClass(android.content.Context);
if (android.provider.Settings.canDrawOverlays(context)) {
    toastLog("开启了")
} else {
    toastLog("没有开启")
    app.startActivity({
        packageName: "com.android.settings",
        className: "com.android.settings.Settings$AppDrawOverlaySettingsActivity",
        data: "package:" + context.getPackageName().toString()
    });
}