ScreenFilterMonitorImpl.java 文件源码

@Override
@UiThread
public Set<String> getApps() {
    if (!serviceStarted) {
        apps.addAll(getInstalledScreenFilterApps());
    }
    TreeSet<String> buf = new TreeSet<>();
    if (apps.isEmpty()) {
        return buf;
    }
    buf.addAll(apps);
    buf.removeAll(shownApps);
    return buf;
}