Language：Android
Tutorial-
Google Map. Google Places API. Google Places Picker.
Google Places Auto Complete Text View. Google Geocode.
Google current location with Location Update.
Google Direction. Google OnMapClick(Test).
SQLite. Broadcast Receiver(Test). Service. AsyncTask
JSON. Http URL Connection. Activity Life cycle.
UI-
Floating Button. Get Navigation Height.
Translucent status bar. Translucent navigation bar.