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About the test:

The Android Online Test evaluates a candidate's ability to design Android user interfaces, implement navigation strategies, use themes and styles, schedule tasks, trigger events, create input forms, save user data, interact with REST APIs, and design advanced UX with fragments, widgets and sensors. The test uses scenario-based MCQ questions to assess experience with debugging, testing, staging and publishing apps on the Play store. The test is customized to include code-tracing MCQ questions to evaluate Java or Kotlin fundamentals and coding questions to evaluate hands-on Java or Kotlin programming skills based on the requirements of your open role.

Covered skills:

  • Android core (Activities; Layouts; Views)
  • Handling user interactions
  • Android user experience design (Lifecycle; Navigation)
  • Background tasks and triggers
See all covered skills

9 reasons why
9 reasons why

Adaface Android在线测试 is the most accurate way to shortlist Android Developers



Reason #1

Tests for on-the-job skills

Android在线测试通过筛选出无资格的Android程序员候选人来节省昂贵的工程时间。 Adaface Android在线测试筛选典型技能招聘经理的候选者在Android开发人员中寻找:

-Java或Kotlin基础知识

  • Java或Kotlin中的面向对象的编程
  • 核心UI组件:对话,旋转器,文本字段,按钮
  • Android构建块:活动和活动生命周期
  • 设计布局和视图:约束布局,回收器视图,列表视图,滚动视图,卡视图
  • 制定背景任务,触发事件,发送通知
  • 增强片段的用户体验 - 何时,为什么以及如何使用片段
  • 保存,检索和更新用户数据,使用共享首选项,SQLITE和房间
  • 阅读和解析原始资源或资产文件
  • 使用流行的库播放视频,下载网站数据,操纵互动组件的图像
  • 使用主题和样式:材料设计原理
  • MVC和MVVM架构
    • 使用演示者使用反应性视图模型
    • 开发具有小部件的微型应用程序视图
    • 从设备传感器获取数据:加速度计,位置
    • 使用数据库和后端服务器
    • 管理用户权限
    • 在Android中进行例外处理
    • 调试和测试Android应用程序;系统日志,断点,检查变量,自动测试

除了这些特定于Android的技能外,该测试还包括MCQ问题和编码问题,以评估Java或Kotlin编程技能。

Reason #2

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.

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.

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 Android Online Test 将是不可行的.

🧐 Question

Easy

Intent & Activity
Solve
We want to pass a value to next activity in Android. Which of the following options are the right way to do it?
 image

Easy

Linear Layout
Solve
Check the following XML layout file. 
 image
What will the UI for this layout file look like?
1. An edit text to the right of a text view and a button beneath them
2. An edit text to the right of a text view and a button to the right of the text view
3. A text view, an edit text beneath it and the button beneath the edit text
4. An edit text to the left of a text view and a button beneath it

Easy

Custom Exception
Exceptions
Solve
What does the following code output?
 image

Medium

Holding References
Solve
What does the following Java code output?
 image

Medium

Abstract Interface
OOPs
Interfaces
Solve
Given following interface:
 image
Which of these are correct classes?
 image

Medium

Garbage Collection
Garbage Collection
Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
 image

Medium

Static Init Blocks
OOPs
Solve
What does the following code output?
 image
1) G A B E D H
2) G B A D E H
3) G B A D E H C F
4) C F G A B E D H
5) C F G B A D E H
6) G C F A B E D H
7) G C F B A D E H

Easy

Registration Queue
Logic
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

Longest Road
logic
hashmaps
Solve
A startup company E-Motors is building driverless automated cars. The car contains a sensor that checks the road quality for the next N meters to decide the optimal speed at which the cars should move. We are given recorded data by the sensor in the form of an array, where each element of the array is the rating given to 1 meter of the road in sequence. 

The rating given by the sensor is from 1 to 100, where 100 represents the road with the best condition, and any rating above 60 is optimal. Find the longest stretch of road in meters that is categorized as optimal by the sensor.

The input is an array of "strings" which needs to be converted from string to integer/number inside the function.

Medium

Visitors Count
Strings
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

Easy

Intent & Activity
2 mins
Android
Solve

Easy

Linear Layout
2 mins
Android
Solve

Easy

Custom Exception
Exceptions
2 mins
Java
Solve

Medium

Holding References
2 mins
Java
Solve

Medium

Abstract Interface
OOPs
Interfaces
2 mins
Java
Solve

Medium

Garbage Collection
Garbage Collection
2 mins
Java
Solve

Medium

Static Init Blocks
OOPs
2 mins
Java
Solve

Easy

Registration Queue
Logic
30 mins
Coding
Solve

Medium

Longest Road
logic
hashmaps
25 mins
Coding
Solve

Medium

Visitors Count
Strings
30 mins
Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Intent & Activity
Android
Easy2 mins
Solve
Linear Layout
Android
Easy2 mins
Solve
Custom Exception
Exceptions
Java
Easy2 mins
Solve
Holding References
Java
Medium2 mins
Solve
Abstract Interface
OOPs
Interfaces
Java
Medium2 mins
Solve
Garbage Collection
Garbage Collection
Java
Medium2 mins
Solve
Static Init Blocks
OOPs
Java
Medium2 mins
Solve
Registration Queue
Logic
Coding
Easy30 minsSolve
Longest Road
logic
hashmaps
Coding
Medium25 minsSolve
Visitors Count
Strings
Coding
Medium30 minsSolve
Reason #4

1200+ 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 Android Online Test 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.

Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the Android Online Test 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.

Reason #7

Detailed scorecards & comparative results

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.

Reason #9

Advanced Proctoring


#VALUE!

高级开发人员的问题专注于高级Android主题,例如:

  • 使用依赖注入来实施关注原则的分离(匕首和刀柄)
  • 在各种方向上实施回收库
  • 保持向后兼容性
  • 避免“意大利面条代码”和“上帝班”
  • 单活动与多功能权衡取舍
  • 并发和多线程挑战(阻止线程,线程池,异步任务)
  • 线程类,垃圾收集器,内存泄漏
  • 高级图书馆,例如RXJAVA,RETROFIT
  • 带有深层链接,应用内通知和推送通知的高级功能。
  • 设计高级图形和动画(自定义视图,在画布上绘制,剪裁画布对象以及使用着色器)
  • Android中的可访问性服务
  • 具有喷气背包的经验 - 布局,状态,动画,导航,测试,可访问性和副作用
  • 优化应用程序性能 - 测量和改进渲染,内存性能,数据压缩,面糊使用,网络调用

与这些问题一起评估Java/ Kotlin基础知识将是更高的难度水平。

What roles can I use the Android Online Test for?

  • Android Developer
  • Junior Android Developer
  • Senior Android Developer
  • Kotlin Android Developer
  • Java Android Developer
  • Android Software Engineer

What topics are covered in the Android在线测试?

Java或Kotlin基础知识
java或kotlin的糟糕
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MVC和MVVM架构
数据绑定
约束布局
与REST API连接
下载数据
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内容提供商
广播接收器
位置服务
共享流程和sqlite
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动画和过渡
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Gradle构建系统
垃圾收集器
内存泄漏
并发
背景
#VALUE!
REST API和JSON解析
异常处理
通知
性能优化
调试和测试
出版和发行
Singapore government logo

招聘经理认为,通过小组访谈中他们提出的技术问题,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 候选人的质量被Adaface筛选入围。


85%
减少筛查时间

Android Online Test FAQs

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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?

Join 1200+ companies in 75+ countries.
立即尝试最候选的友好技能评估工具。
Ready to use the Adaface Android Online Test?
Ready to use the Adaface Android Online Test?
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No trick questions.
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