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2011  ADL Taipei note





UI


Quality ?




dpi


ldpi : mdpi : hdpi : xhdpi


3 : 4 : 6 : 8


tvdip = 213


dp : sp(for text)




smallest width -> sw




design preview tool




UI Patterns :


Action  Bar


contextual action bar
stack action bar
split action bar


http://goo.gl/dxMtl


Multi-Pane


App Navigation




contact > conttact detail -> email compose ->  email


              (back)                              (up)                    
do and don't ?


hard accelerated default is true on ICS


don't overuse fill_parent (beacause text ...............???)






Android market feature


new : Multiple APK support


      Device Availability


      localizr listing






Commuication & Camera


1. Wifi direct


High performance connection at a range




WifiP2pManager


App components


BroadcastReceiver : state_change coneection_change peers_change this_device_changed


PeerListListener GroupInfoListener


ActionListListener ConnectionListener




getService -> initialite


2. Android bean


NFC base sharing


Zero setup


NFC NDEF Message Push :


create NdefMessage : setNdefPushMessage -> setNdefPushMessageListener


3. Cameara APIs


FaceDetection


Mouth eyes bounding box





其他相關文章：


Android NFC功能及相關手機介紹


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