读取 Device Owner 模式下的 ApplicationInfo

gistfile1.txt

// 读列表
pm.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES)

// 读到之后需要过滤掉双开/访客账户的 app
boolean installed = (applicationInfo.flags | ApplicationInfo.FLAG_INSTALLED == applicationInfo.flags);






// 判断 app 的状态是否被免 root冻结（hidden）的工具类

    private static final int PRIVATE_FLAG_HIDDEN = 1;
    private static final int FLAG_HIDDEN = 1<<27;

    @Nullable
    private static Field AI_FIELD;
    static {
        try {
            if (Sdk.lowerThan(Sdk.M)) throw new UnsupportedOperationException();
            AI_FIELD = ApplicationInfo.class.getDeclaredField("privateFlags");
            AI_FIELD.setAccessible(true);
        } catch (Throwable ignored) {
            AI_FIELD = null;
        }
    }

    public static boolean isAppHidden(ApplicationInfo ai) {
        if (Objects.isNull(ai)) return false;
        if (Objects.nonNull(AI_FIELD)) {
            try {
                int flags = (int) AI_FIELD.get(ai);
                return FlagUtil.contain(flags, PRIVATE_FLAG_HIDDEN);
            } catch (Throwable e) {
                return FlagUtil.contain(ai.flags, FLAG_HIDDEN);
            }
        } else {
            return FlagUtil.contain(ai.flags, FLAG_HIDDEN);
        }
    }