Android note - Hello World
The "Hello, Android" you see in the grey bar is actually the application title. The Eclipse plugin creates this automatically (the string is defined in the res/values/strings.xml file and referenced by your AndroidManifest.xml file).
application icon: "project_name"/res/drawable/icon.png
layout: "project_name"/res/layout/main.xml
text: "project_name"/res/values/strings.xml
P.S. 如何建構Andoird的開發環境可參考這篇
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