http://save-coco.blogspot.com/2014/07/maven-eclipseandroid-app.html
Maven 據說很難用...功能強大,很難用
http://blog.csdn.net/wangwei_cq/article/details/17070307
Gradle 現在用這個
http://www.codedata.com.tw/java/understanding-gradle-3-getting-started/
http://ithelp.ithome.com.tw/question/10129873
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http://jdev.tw/blog/3513/learning-android-studio
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setup 1: onclick
http://www.youtube.com/watch?v=RCyuqMVGl4g
TextView mytv = (TextView)findViewById(R.id.textView);
mytv.setText("change textView!");
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setup 2: export apk
builder-> apk