异常记录（6）——获取应用大小时出现异常报错Shame on you for calling the hidden API getPackageSizeInfoAsUser(). Shame!...

参考链接：https://stackoverflow.com/questions/49606077/android-packagestats-gives-always-zero

简单来说，就是我代码里面用的反射的方法获取应用大小，但是会报Shame on you for calling the hidden API getPackageSizeInfoAsUser(). Shame!的异常信息，查询之后发现是api26以下可以用反射的这种方法，但是26以上会报错

解决方法参见链接

api<26 就是我项目里是这样写的

Method method = getMethod("getPackageSizeInfo");
    for (int i = 0; i < packages.size(); i++) {
        ApplicationInfo pkg = packages.get(i);
        if (Build.VERSION.SDK\_INT < Build.VERSION\_CODES.O) {
            try {
                method.invoke(pm, pkg.packageName, new IPackageStatsObserver.Stub() {

                    @Override
                    public void onGetStatsCompleted(PackageStats pStats, boolean succeeded) throws RemoteException {
                        if (succeeded) {
                            ArrayList<AppsListItem> listItems = mAppsMapItem.get(pStats.packageName);
                            for (AppsListItem appsListItem:listItems){
                                appsListItem.mDataSize = pStats.dataSize;
                                appsListItem.mCacheSize = pStats.cacheSize;
                                appsListItem.mCodeSize = pStats.codeSize;
                            }
                            if (index >= packages.size()) {
                                index = 0;
                            } else {
                                index++;
                            }

                            lock.lock();
                            try {
                                count++;
                                if (count >= packages.size()) {
                                    Message msg = myHandler.obtainMessage();
                                    msg.what = INSTALL;
                                    myHandler.sendMessage(msg);
                                    index = 0;
                                }
                            } catch (Exception e) {
                            }
                            lock.unlock();
                        }
                    }
                });
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();//api 26以上会走这里
            }

api大于26的时候可以用以下代码(根据实际使用更改，下面的是我代码里面的)，

@SuppressLint("WrongConstant")
                final StorageStatsManager storageStatsManager = (StorageStatsManager)getSystemService(Context.STORAGE_STATS_SERVICE);
                final StorageManager storageManager = (StorageManager)getSystemService(Context.STORAGE_SERVICE);
                try {
                    ApplicationInfo ai = getPackageManager().getApplicationInfo(pkg.packageName, 0);
                    StorageStats storageStats = storageStatsManager.queryStatsForUid(ai.storageUuid, pkg.uid);
                    ArrayList<AppsListItem> listItems = mAppsMapItem.get(pkg.packageName);
                    for (AppsListItem appsListItem : listItems) {
                        appsListItem.mDataSize = storageStats.getDataBytes();
                        appsListItem.mCacheSize = storageStats.getCacheBytes();
                        appsListItem.mCodeSize = storageStats.getAppBytes();
                    }
//                            Log.d("zjw", mAppsListItem.get(index).mPackageName + "//" + pStats.packageName);
                    if (index >= packages.size()) {
                        index = 0;
                    } else {
                        index++;
                    }

                    lock.lock();
                    try {
                        count++;
                        if (count >= packages.size()) {
                            Message msg = myHandler.obtainMessage();
                            msg.what = INSTALL;
                            myHandler.sendMessage(msg);
                            index = 0;
                        }
                    } catch (Exception e) {
                    }
                    lock.unlock();
                } catch (Exception e) {
                    e.printStackTrace();
                }

需要 USAGE ACCESS PERMISSION 权限，申请权限如下

清单文件里面：

<uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>

代码里面：

public static boolean checkAppUsagePermission(Context context) {
    UsageStatsManager usageStatsManager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
    if(usageStatsManager == null) {
        return false;
    }
    long currentTime = System.currentTimeMillis();
    // try to get app usage state in last 1 min
    List<UsageStats> stats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, currentTime - 60 * 1000, currentTime);
    if (stats.size() == 0) {
        return false;
    }

    return true;
}

public static void requestAppUsagePermission(Context context) {
    Intent intent = new Intent(android.provider.Settings.ACTION_USAGE_ACCESS_SETTINGS);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    try {
        context.startActivity(intent);
    } catch (ActivityNotFoundException e) {
       e.printStackTrace();
    }
}

 

转载于:https://my.oschina.net/u/3620480/blog/3078989