Android developmenttools 20100424
-
Upload
marakana-inc -
Category
Documents
-
view
1.641 -
download
0
description
Transcript of Android developmenttools 20100424
![Page 1: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/1.jpg)
Android Development ToolsDebugging / Profiling
Joachim Pfeiffer joachim.pfeiffer at gmail dot com
San Francisco Android User’s Group27 April 2010
![Page 2: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/2.jpg)
Presentation Topics
• Resources• Android Debug Bridge (adb)• sqlite3• Dalvik Debug Monitor Service (ddms)• Traceview• Emulator (focus on dev tools)• Discussion
![Page 3: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/3.jpg)
Resources
• Google Android Developer Guidehttp://developer.android.com/guide/developing/tools/index.html
• Google I/O 2009 session videosMattson: http://code.google.com/events/io/2009/sessions/DebuggingArtsNinjaMasters.htmlGuy:http://code.google.com/events/io/2009/sessions/TurboChargeUiAndroidFast.html
![Page 4: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/4.jpg)
Android Developer Bridge (adb)
• Launch from CLI, e.g. Cygwin• Install / uninstall apps $adb install, adb uninstall
• Push / pull files $ adb push, adb pull
• Pull logs $ adb logcat• Attach jdb $ adb jdwp:<process>• Start remote shell $ adb shell
Run shell commands. Use at own risk
![Page 5: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/5.jpg)
sqlite3• Access through adb remote shell• Run SQL commands on SQLite databases• Similar to MySQL or Oracle SQL*Plus• Example:
![Page 6: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/6.jpg)
Dalvik Debug Monitor Service (ddms)
• Screen capture• Thread and heap information• Logcat• System info• Call and location data spoofing• Launch Traceview from ddms
![Page 7: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/7.jpg)
Dalvik Debug Monitor Service (ddms)
![Page 8: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/8.jpg)
Dalvik Debug Monitor Service (ddms)
• Threads of a selected process
![Page 9: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/9.jpg)
Dalvik Debug Monitor Service (ddms)
• Heap of a selected process
![Page 10: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/10.jpg)
Dalvik Debug Monitor Service (ddms)
• Logcat with save-to-file
![Page 11: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/11.jpg)
Dalvik Debug Monitor Service (ddms)
• System info
![Page 12: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/12.jpg)
Dalvik Debug Monitor Service (ddms)
• Call and location data spoofing-> Run simulations for emulator
![Page 13: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/13.jpg)
Traceview
• Launch from ddms
![Page 14: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/14.jpg)
Traceview• Record method invocations over a selected time period. For each method:
- Percentage of time used- Number of calls- Average time / call
• Drill down:- Show parent callers- Show children called- Magnify time scale
![Page 15: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/15.jpg)
Traceview
![Page 16: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/16.jpg)
Traceview
![Page 17: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/17.jpg)
Traceview
• Insert expensive code, in drawStop():
![Page 18: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/18.jpg)
Traceview
![Page 19: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/19.jpg)
Emulator (focus on dev tools)
• Emulator development tools are provided in a separate app, DevTools
• Variety of functions, such as show processes, CPU utilization on screen (you’re probably better off using ddms)
• Most useful component: Show screen updates
![Page 20: Android developmenttools 20100424](https://reader035.fdocuments.in/reader035/viewer/2022062703/555180abb4c90596028b4825/html5/thumbnails/20.jpg)
The End
Discussion…