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1. http://developer.android.com/guide/topics/media/mediaplayer.html
2. http://www.vogella.de/articles/AndroidMedia/article.html
3. http://stackoverflow.com/questions/6139545/can-not-play-ogg-on-android
29.3
Accelerometrin liitäminen sovellukseen:
1. http://stackoverflow.com/questions/2317428/android-i-want-to-shake-it
2. http://stackoverflow.com/questions/4870667/how-can-i-use-getsystemservice-in-a-non-activity-class-locationmanager
Androidin käyttöliittymän elementtien asemointi:
1. http://developer.android.com/resources/articles/layout-tricks-efficiency.html
2. http://developer.android.com/reference/android/widget/LinearLayout.LayoutParams.html#attr_android:layout_gravity