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186 android lead developer interview questions shared by candidates

Perché avete scelto una architettura piuttosto che un'altra. Come identifichi i parametri che passi nelle chiamate Retrofit, quali tipi di parametri conosci, descrivi come effettuare una chiamata a servizio con Retrofit.
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Mobile Android Team Leader

Interviewed at NTT DATA

3.7★
Jun 25, 2020

Perché avete scelto una architettura piuttosto che un'altra. Come identifichi i parametri che passi nelle chiamate Retrofit, quali tipi di parametri conosci, descrivi come effettuare una chiamata a servizio con Retrofit.

2 rounds : Round 1 : 1. Coding round : 0 1 2 1 2 0 sort them optimally Android : 1. If we go to Activity A to Activity B which methods will be called? 2. Why can't we pass arguments in constructor 3. Disapatcher.IO vs Dispather.Default internal 4. How recycler view works internally 5. Why findViewid extension is deprecated 6. How viewmodel works internally 7. How suspend function works in android Architecture : 1. Create app which has list of users and login page, if it doesnt exist then it should show signup Round1 : Code LRU Android : 1. What is advantages of Room over SQlite 2. How can we observer value at room 3. How to handle error in Co-routines 4. What steps we will take to decrease APK size 5. How to handle backpressure in JAVA 6. What issue we get when using vector images 7. How do we use dagger2 clasess Architecture : We have given app tp build when has list of fruits and we need to show them in vertical list but with offline caching.
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Sr Android Developer and Team Lead

Interviewed at Skuad

3.8★
Aug 21, 2024

2 rounds : Round 1 : 1. Coding round : 0 1 2 1 2 0 sort them optimally Android : 1. If we go to Activity A to Activity B which methods will be called? 2. Why can't we pass arguments in constructor 3. Disapatcher.IO vs Dispather.Default internal 4. How recycler view works internally 5. Why findViewid extension is deprecated 6. How viewmodel works internally 7. How suspend function works in android Architecture : 1. Create app which has list of users and login page, if it doesnt exist then it should show signup Round1 : Code LRU Android : 1. What is advantages of Room over SQlite 2. How can we observer value at room 3. How to handle error in Co-routines 4. What steps we will take to decrease APK size 5. How to handle backpressure in JAVA 6. What issue we get when using vector images 7. How do we use dagger2 clasess Architecture : We have given app tp build when has list of fruits and we need to show them in vertical list but with offline caching.

1- What is activity and what is a fragment. What is the benefit of using android-fragments? 2- What is coroutine and what are the benefits of using it. 3- How two applications can share data between them. DSA question - //Write a code to check if two string s1 and s2 can be converted to each other? // E.g- s1 ="MARY" and s2 = "ARMY"
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Technical Lead (Android)

Interviewed at LeadSquared

3.1★
Jan 27, 2022

1- What is activity and what is a fragment. What is the benefit of using android-fragments? 2- What is coroutine and what are the benefits of using it. 3- How two applications can share data between them. DSA question - //Write a code to check if two string s1 and s2 can be converted to each other? // E.g- s1 ="MARY" and s2 = "ARMY"

I've been given a test that was basically about showing a list of drivers on a map, updating positions, calculating closest driver based on the user position, etc. Very basic thing. Had 2 or 3 days to do it. I've seen other people here saying that they basically wanted you to work for free and never hire you, which is ridiculous. This is a typical hiring exercise, designed to measure your various skills. They threw my work away as soon as I passed that step.
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Lead Android Developer

Interviewed at Heetch

4.2★
Dec 6, 2016

I've been given a test that was basically about showing a list of drivers on a map, updating positions, calculating closest driver based on the user position, etc. Very basic thing. Had 2 or 3 days to do it. I've seen other people here saying that they basically wanted you to work for free and never hire you, which is ridiculous. This is a typical hiring exercise, designed to measure your various skills. They threw my work away as soon as I passed that step.

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