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About the test:

Flutter and Dart在线测试使用基于方案的MCQ问题来评估候选人设计,构建和调试自适应扑面应用程序的能力。这些问题使用Flutter小部件评估了他们的经验,在多个屏幕之间导航,处理用户输入,使用本机设备功能(例如相机,位置和发布到应用程序商店)。该测试还具有密码追踪MCQ问题,以评估候选人对开发扑朔迷离应用程序中使用的DART编程语言的了解。

Covered skills:

  • 飞镖编程
  • 飘动的内部
  • 国家管理
  • 网络和处理数据
  • 在屏幕之间导航
  • 出版和发行
  • 飞镖
  • 内置和自定义小部件
  • 处理表格和媒体
  • 动画和过渡
  • 调试和测试

9 reasons why
9 reasons why

Adaface Flutter & Dart Assessment Test is the most accurate way to shortlist 颤抖的开发人员s



Reason #1

Tests for on-the-job skills

The Flutter & Dart Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • 能够编写高效和干净的飞镖代码
  • 了解DART中面向对象的编程原理
  • 知识颤抖的内部和框架体系结构
  • 熟练使用内置和自定义的颤音小部件
  • 在扑动应用中有效管理状态的能力
  • 在处理形式和媒体上的经验
  • 理解网络概念和数据处理中的数据
  • 能够创建动画和过渡的能力
  • 在颤音中屏幕之间导航的知识
  • 熟练调试和测试扑动应用
  • 理解颤抖中的出版和分销过程
Reason #2

No trick questions

no trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

View sample questions

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface
Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

这些只是我们库中有10,000多个问题的一个小样本。关于此的实际问题 Flutter&Dart测试 将是不可行的.

🧐 Question

Medium

Analyzing StreamBuilder
StreamBuilder
ListView
Solve
Consider the below code:
 image
Analyze the given pseudocode and determine what will be displayed on the screen after the second emission of Stream (after 2 seconds).
A: CircularProgressIndicator will be displayed.
B: A ListView with 3 ListTile widgets, each displaying one item from the list ['Item1', 'Item2', 'Item3'].
C: Text widget with 'No Items Available' will be displayed.
D: A ListView with 0 ListTile widgets.
E: The code will throw an error.

Medium

Handling Push Notifications
Push Notifications
Application State
Solve
In a Flutter application, you are using the firebase_messaging package to handle incoming FCM (Firebase Cloud Messaging) push notifications. Consider the pseudocode below:
 image
In the _handleNotification method, the application is supposed to navigate to a details page if the action key in the notification data is equal to 'navigate'. However, this might not work as expected if the app is in the background or terminated state when the notification is received and the user clicked on it.

How would you modify the _handleNotification method or handle the onMessage event to ensure that the navigation occurs when the user taps on the notification to open the app, no matter what state the app is in when the notification is received?
A: Use _firebaseMessaging.onMessageOpenedApp to handle navigation when the user taps the notification to open the app.
B: Use _firebaseMessaging.onLaunch to handle the navigation when the user taps the notification.
C: Check the message.messageType and navigate only if it is 'opened'.
D: Use _firebaseMessaging.onBackgroundMessage for handling navigation when the app is in the background.
E: Use a GlobalKey<NavigatorState> to handle navigation in _handleNotification.

Medium

Sliders
Widgets
Solve
Dinance is a crypto finance mobile app. The app is built using Flutter and uses Sliders at multiple places. Review the following two snippets of Sliders used in the app. How will the Sliders be displayed?
 image
A: Slider X is displayed as a continuous slider with values {0.0, 0.25, 0.5, 0.75, 1.0}
B: Slider X is displayed as a discrete slider with values {0.0, 0.25, 0.5, 0.75, 1.0}
C: Slider X is displayed as a discrete slider with values {0.0, 0.33, 0.67, 1.0}
D: Slider X is displayed as a discrete Slider with the values {0.0, 1.0, 2.0, 3.0, 4.0}

E: Slider Y is displayed as a discrete Slider with the thumb rightmost
F: Slider Y is displayed as a continuous Slider with thumb leftmost
G: Slider Y is displayed as a discrete Slider with values {0.0, 0.25, 0.5, 0.75, 1.0} with thumb left most
H: Slider Y is displayed as a continuous Slider with thumb rightmost

Medium

Stateless and Stateful Widgets
Stateless Widgets
Stateful Widgets
Lifecycle Methods
Solve
Consider the following pseudocode:
 image
Review the pseudocode. What will be the output in the console when the application starts, the user clicks the 'Navigate' button to navigate to AnotherScreen and then navigates back to the ParentWidget?
 image

Medium

Vertical Wrap
UI Layout
Solve
Review the following Flutter code:
 image
The code produces the following UI:
 image
What will the UI look like if we add following properties to Wrap widget (after line 29):

textDirection: TextDirection.rtl
direction: Axis.vertical
 image

Medium

Async Await
Asynchronous Programming
Solve
Review the following Dart code:
 image
The code reads data from a file synchronously. The code blocks while waiting for file I/O. Which of the following is the proper asynchronous version of the same code? 

- Assume readAsString is asynchronous version of readAsStringSync
- Lines with changes compared to original code are marked with // #
 image

Easy

Iterable Sync
Asynchronous Programming
Solve
What would the following Dart code print?
 image

Medium

Method Overriding
Constructors
Inheritance
Method Overriding
Solve
Consider the following Dart code:
 image
What will be the output of the above Dart code?
 image

Easy

Registration Queue
Logic
Queues
Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount.
For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition.
⚠️⚠️⚠️ Note:
- The first line of the input is the length of the array. The second line contains all the elements of the array.
- The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function.
- You need to "print" the final result (not return it) to pass the test cases.

For the example discussed above, the input will be:
5
20 70 -40 30 -10

Your code needs to print the following to the standard output:
20 70 30 -40 -10

Medium

Visitors Count
Strings
Logic
Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. 
Example:

Input:
WWMMWWCCC

Expected Output: 
4W3C2M

Explanation: 
‘W’ has the highest count, then ‘C’, then ‘M’. 
⚠️⚠️⚠️ Note:
- The input is already parsed and passed to a function.
- You need to "print" the final result (not return it) to pass the test cases.
- If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 Question🔧 Skill

Medium

Analyzing StreamBuilder
StreamBuilder
ListView

3 mins

Flutter
Solve

Medium

Handling Push Notifications
Push Notifications
Application State

2 mins

Flutter
Solve

Medium

Sliders
Widgets

4 mins

Flutter
Solve

Medium

Stateless and Stateful Widgets
Stateless Widgets
Stateful Widgets
Lifecycle Methods

2 mins

Flutter
Solve

Medium

Vertical Wrap
UI Layout

3 mins

Flutter
Solve

Medium

Async Await
Asynchronous Programming

3 mins

Dart
Solve

Easy

Iterable Sync
Asynchronous Programming

2 mins

Dart
Solve

Medium

Method Overriding
Constructors
Inheritance
Method Overriding

2 mins

Dart
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Analyzing StreamBuilder
StreamBuilder
ListView
Flutter
Medium3 mins
Solve
Handling Push Notifications
Push Notifications
Application State
Flutter
Medium2 mins
Solve
Sliders
Widgets
Flutter
Medium4 mins
Solve
Stateless and Stateful Widgets
Stateless Widgets
Stateful Widgets
Lifecycle Methods
Flutter
Medium2 mins
Solve
Vertical Wrap
UI Layout
Flutter
Medium3 mins
Solve
Async Await
Asynchronous Programming
Dart
Medium3 mins
Solve
Iterable Sync
Asynchronous Programming
Dart
Easy2 mins
Solve
Method Overriding
Constructors
Inheritance
Method Overriding
Dart
Medium2 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve
Reason #4

1200+ customers in 75 countries

customers in 75 countries
Brandon

借助Adaface,我们能够优化我们的初始筛查过程超过75%,从而为招聘经理和我们的人才获取团队提供了宝贵的时间!


Brandon Lee, 人的负责人, Love, Bonito

Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment Flutter&Dart测试 in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests
Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the Flutter&Dart测试 from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

invite candidates
Reason #7

Detailed scorecards & benchmarks

Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

test completion rate
Reason #9

Advanced Proctoring


Learn more

About the Flutter & Dart Online Test

Why you should use Pre-employment Flutter & Dart Test?

The Flutter&Dart测试 makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • 能够用DART编程语言编写清洁有效的代码
  • 对DART中面向对象的编程概念的强烈理解
  • 深入了解颤音内部及其建筑的知识
  • 熟练地开发内置和自定义小部件
  • 实施国家管理解决方案的经验
  • 在扑朔迷离应用中处理形式和媒体方面的专业知识
  • 了解网络概念和数据处理中的知识
  • 能够在颤抖中创建平滑的动画和过渡
  • 了解颤动中屏幕之间的导航技术
  • 熟练调试和测试扑动应用

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the Flutter & Dart Test?

  • dart oops oops

    飞镖(对象) - 面向编程)是指DART编程中使用的范式,该范式专注于将代码组织到可重复使用的模块化对象中。在测试中测量了该技能,以评估候选人对封装,遗传,多态性和抽象的理解,这是构建可靠且可扩展的扑动应用的重要概念。

  • 颤抖的内部

    <p>颤抖的内部涉及了解扑朔迷离框架的基本架构和机制。在测试中测量了这项技能,以评估候选人对扑朔迷离的工作方式的了解,包括小部件树的层次结构,渲染管道和事件处理。它可以确保候选人可以优化其颤音应用程序并有效地解决性能问题。

  • 内置和自定义小部件的颤动

    flutter flutter提供了丰富的内置窗口小部件,并允许开发人员创建自定义小部件。在测试中测量了这项技能,以评估候选人对广泛的预绘制的扑朔迷离小部件的熟悉程度及其创建自定义小部件以满足特定设计和功能要求的能力。它展示了候选人在利用Flutter功能强大的UI功能方面的专业知识。

  • 状态管理

    flutter中的状态管理涉及管理数据和应用程序的UI状态。在测试中测量了该技能,以评估候选人在实施不同状态管理模式(例如ScopedModel,提供商,REDUX和BLOC)方面的熟练程度,以有效地处理Flutter Apps中的复杂的UI相互作用和数据流。

  • 处理表格和媒体

    扑朔迷离中的处理表格和媒体包括验证用户输入,捕获和处理表单数据,并使用图像和视频(例如图像和视频)的不同媒体类型。在测试中测量了该技能,以评估候选人实施形式处理和媒体操纵技术的能力,从而确保在Flutter应用程序中具有平稳且无错误的用户体验。

  • 网络和处理数据</h4> </h4> < p>网络和处理数据中的数据涉及提出API请求,解析和序列化JSON以及管理本地数据存储。在测试中测量了这项技能,以评估候选人在实施数据获取和持久机制方面的能力,确保颤抖应用程序和后端服务之间的无缝沟通。</p> <h4>动画和过渡

    动画和过渡在扑朔迷离中,将寿命和互动性带到用户界面。在测试中测量了这项技能,以评估候选人对Flutter动画框架的了解以及创建平稳且视觉上吸引人的动画和过渡的能力,从而增强了用户体验。

  • 屏幕之间的导航> <p>在弹奏中的屏幕之间导航涉及通过在不同的屏幕或页面之间导航来控制用户界面的流程。在测试中测量了这项技能,以评估候选人对扑朔迷离的导航系统的理解以及在Flutter应用中实施有效的屏幕导航和路由逻辑的能力。</p> <h4>调试和测试

    调试和调试和调试和调试和调试扑动中的测试是识别和修复错误的过程,并验证代码的正确性和稳定性。在测试中测量了这项技能,以评估候选人在使用Flutter的调试和测试工具方面的熟练程度,确保其颤音应用的质量和可靠性。

  • 发布和分发

    出版和发行和分发在颤动中,涉及准备和部署应用程序到iOS和Android等各种平台。在测试中测量了该技能,以评估候选人对应用程序提交过程的知识,包括代码签名,配置配置文件和发布指南,以确保他们可以成功地将其扑朔迷离的应用程序发布给预期的目标受众。

  • Full list of covered topics

    The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for Flutter&Dart测试 to be based on.

    DART语法
    飞镖中的变量和数据类型
    DART中的控制流量语句
    飞镖的功能和方法
    DART中的例外处理
    DART中的接口和抽象类
    飞镖的遗传和多态性
    DART中的混合物
    飞镖的异步编程
    Flutter Framework概述
    小部件在扑面而来的层次结构
    布局小部件
    材料设计小部件
    库比蒂诺设计小部件
    颤音中的文字,图像和媒体小部件
    扑打中的手势检测
    状态和无状态的小部件颤抖
    国家管理的方法
    国家管理提供者包
    国家管理的集体模式
    在颤音中形成验证
    文本输入和扑来中的选择
    媒体播放和录音
    提出HTTP请求
    解析和序列化JSON数据
    在扑朔迷离中使用本地数据库
    使用Flutter的动画库的动画
    颤音中屏幕之间的过渡
    颤动中的路线和导航
    调试颤音应用
    颤动中的单元测试
    小部件测试
    集成测试
    部署颤音应用程序到应用商店
    扑来的应用程序签名和发布管理

What roles can I use the Flutter & Dart Test for?

  • 颤抖的开发人员
  • 移动颤动开发人员
  • 软件工程师
  • 更新鲜的颤抖开发人员

How is the Flutter & Dart Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • 在发布和分发扑朔迷离应用方面的经验
  • DART编程语言的高级知识
  • 在DART中设计和实施复杂数据模型方面的专业知识
  • 深入了解Flutter的渲染管道和小部件生命周期
  • 优化扑动应用程序性能的能力
  • 熟练掌握第三方图书馆和API
  • 了解在颤抖中实施安全的身份验证和授权的知识
  • 能够处理离线数据存储和颤动中同步的能力
  • 在实施复杂的UI布局和响应式设计方面的经验
  • 理解颤抖中的先进调试技术

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

Singapore government logo

招聘经理认为,通过在小组访谈中提出的技术问题,他们能够分辨哪些候选人的得分更好,并且与未得分的人有区别。他们是 非常满意 随着候选人的质量入围了Adaface筛查。


85%
减少筛查时间

Flutter & Dart Hiring Test 常见问题解答

如何为新鲜的颤抖开发人员定制测试?

初级扑朔迷离的开发人员的问题将稍微更容易,并且问题将基于初学者/基本主题。这是测试将基于的一些初学者技能:

  • 飞镖的基础知识(控制流,函数,if语句,逻辑运算符,用于循环)
  • 面向对象的编程的基础知识
  • DART中的数据结构和收集
  • 颤抖的基础知识
  • 多屏应用程序之间的导航
  • 使用内部的小部件和样式
  • 使用流行的第三方图书馆,例如材料设计
  • 表格,输入处理和验证
  • 使异步API调用以存储和从云中检索数据
  • 使用JSON格式进行服务器通信。
  • 国家管理的基本面

我可以将多个技能结合在一起,为一个自定义评估吗?

是的,一点没错。自定义评估是根据您的职位描述进行的,并将包括有关您指定的所有必备技能的问题。

您是否有任何反交换或策略功能?

我们具有以下反交易功能:

  • 不可解决的问题
  • IP策略
  • Web Protoring
  • 网络摄像头Proctoring
  • 窃检测
  • 安全浏览器

阅读有关[Proctoring功能](https://www.adaface.com/proctoring)的更多信息。

如何解释考试成绩?

要记住的主要问题是评估是消除工具,而不是选择工具。优化了技能评估,以帮助您消除在技术上没有资格担任该角色的候选人,它没有进行优化以帮助您找到该角色的最佳候选人。因此,使用评估的理想方法是确定阈值分数(通常为55%,我们为您提供基准测试),并邀请所有在下一轮面试中得分高于门槛的候选人。

我可以使用该测试的经验水平?

每个ADAFACE评估都是为您的职位描述/理想候选角色定制的(我们的主题专家将从我们的10000多个问题的图书馆中选择正确的问题)。可以为任何经验级别定制此评估。

每个候选人都会得到同样的问题吗?

是的,这使您比较候选人变得容易得多。 MCQ问题的选项和问题顺序是随机的。我们有[抗欺骗/策略](https://www.adaface.com/proctoring)功能。在我们的企业计划中,我们还可以选择使用类似难度级别的问题创建多个版本的相同评估。

我是候选人。我可以尝试练习测试吗?

不,不幸的是,我们目前不支持实践测试。但是,您可以使用我们的[示例问题](https://www.adaface.com/questions)进行练习。

使用此测试的成本是多少?

您可以查看我们的[定价计划](https://www.adaface.com/pricing/)。

我可以免费试用吗?

我刚刚搬到了一个付费计划。我如何要求自定义评估?

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