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Senior Android Engineer Interview Questions

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2,425 senior android engineer interview questions shared by candidates

activity lifecycle difference between activity and fragment what activity can do but fragment cannot do different persistent data storage options in android what is anr and time limit can recursion cause anr in retrofit interface what is get what is query difference between hashset and hashmap linked hashmap what tasks in an application consumes more battery what can be saved in shared preferences and what can be saved in db , in room db , migration policies, if we change table schema what will happen difference between commit and apply difference between put post and patch scenario when caching is required and comparison with facebook pagination database room db fallback migration , what are the policies mvvm work manager what is it , what does it do , hashmap vs hash set what is singleton proguard usage how can a application having same package name but different app icons can be installed ,
different versions- release and debug diff utils , caching , hashing on data which not changed and compare values , various launch modes in android java out of memory error
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Senior Android Developer

Interviewed at Dehaat

3.7★
Mar 12, 2021

activity lifecycle difference between activity and fragment what activity can do but fragment cannot do different persistent data storage options in android what is anr and time limit can recursion cause anr in retrofit interface what is get what is query difference between hashset and hashmap linked hashmap what tasks in an application consumes more battery what can be saved in shared preferences and what can be saved in db , in room db , migration policies, if we change table schema what will happen difference between commit and apply difference between put post and patch scenario when caching is required and comparison with facebook pagination database room db fallback migration , what are the policies mvvm work manager what is it , what does it do , hashmap vs hash set what is singleton proguard usage how can a application having same package name but different app icons can be installed ,
different versions- release and debug diff utils , caching , hashing on data which not changed and compare values , various launch modes in android java out of memory error

Hiring Manager round: 1. What is your career growth plan 2. Why Journi 3. What do you know about journi 4. Whats the reason behild your job search and applying for Journi With Mobile Lead (mostly non technical, but behavioral and team fit testing): 1. Discuss my Experience 2. Discuss real world cross team collaboration examples 3. Behavioral questions related to leadership, work scenarios faced 4. Journi work style and team process Take Home Test: (You got 3 hours to fix and send a zip file back to HR) 1. Fix some issue in an existing app 2. Jetpack Compose Knowledge 3. API modification Mobile Lead round is too soon in my opinion, people would rather do the take home assessment and if successful in that, would be open to speak more with team mates.
avatar

Senior Android Engineer

Interviewed at journi(Austria)

4.6★
Apr 4, 2024

Hiring Manager round: 1. What is your career growth plan 2. Why Journi 3. What do you know about journi 4. Whats the reason behild your job search and applying for Journi With Mobile Lead (mostly non technical, but behavioral and team fit testing): 1. Discuss my Experience 2. Discuss real world cross team collaboration examples 3. Behavioral questions related to leadership, work scenarios faced 4. Journi work style and team process Take Home Test: (You got 3 hours to fix and send a zip file back to HR) 1. Fix some issue in an existing app 2. Jetpack Compose Knowledge 3. API modification Mobile Lead round is too soon in my opinion, people would rather do the take home assessment and if successful in that, would be open to speak more with team mates.

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