Karl-Johan Dahlström Head of Developer Relations

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developer

world sonymobile.com/developer @sonyxperiadev

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Developers

Application and Game Developers •Tools •Support •Promotion

Custom ROM Developers •Open Source Archives •Support •Unlockbootloader

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Developer Tools

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•US, Canada: Phone loaner program •Europe and rest of the world… Need to raise our service level. We are working on it!

Developer Tools

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2013 breakthrough year for Sony Mobile

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Awareness

TVC

2013 breakthrough year for Sony Mobile

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Sony Select.

20+ Million Xperia devices

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Sony Select.

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Some things we want you to think of:

• Xperia Z has full HD - 1080p, 443ppi

– Make sure you support: xxhdpi

• STAMINA mode activated

– AlarmManager class, won’t wake up the system

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Pal Szasz Software Developer

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CHKBUGREPORT (open source)

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How to analyze the system? • Capture bugreports

– contains logs (system, event, radio) – service state dumps – stacktraces – running processes – and more… – they are HUGE (6MB or more) text files

• To get a bugreport: – “adb bugreport > bugreport.txt” – Settings -> Developer Options -> Take bugreport

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What does ChkBugReport do?

In short: parses the single huge bugreport text file and outputs a set of html pages, charts, data files.

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Output

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When and how to use it?

• There is an ANR or application crash

• Check service restarts

• Check memory usage after a while

• Check battery usage

• etc … … …

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Check memory usage

Memory usage chart created from GC (Garbage Collector) logs

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Check battery usage

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Check battery usage

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Open Source: Extend ChkBugReport

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XAppDbg (open source)

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XAppDbg

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developer

world sonymobile.com/developer @sonyxperiadev

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developer

world sonymobile.com/developer @sonyxperiadev

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