General Debugging tips

Trying to use Hierarchy Viewer on off the shelf android device and its not showing up any tree.

 Please checkout this :

 https://github.com/romainguy/ViewServer

 Just copy the ViewServer.java into your project.

 once you are done with that , check this sample activity 

 https://github.com/romainguy/ViewServer/blob/master/viewserver-sample/src/main/java/com/android/debug/hv/sample/ViewServerActivity.java

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 Debugging Webviews using chrome developer tools

   Since the android webviews are chromium based , you can actually debug webviews using more
   sophisticated chrome developer tools.

• looking at DOM 
• finding more about network requests and errors
• even the console logging is available

Resources :

•  https://www.youtube.com/watch/?v=aELff9AOodQ
•  https://developer.chrome.com/devtools/docs/remote-debugging
•  http://developer.android.com/guide/webapps/debugging.html

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Wish to debug the lifecycle of a fragment 

    FragmentManager.enableDebugLogging(true) should do the trick.

    look at this post from awesome android developer " Chiu-ki-chan " 
    http://blog.sqisland.com/2014/06/navigationdrawer-creates-fragment-twice.html