Android Version history by API level

Platform Version API Level Version code
Android 5.0 20 L
Android 4.4 19 KitKat
Android 4.3 18 Jelly bean
Android 4.2 17 Jelly bean
Android 4.1 16 Jelly bean
Android 4.0.3 , 4.0.2 15 Ice Cream Sandwich
Android 4.0 – 4.0.2 14 Ice Cream Sandwich
Android 3.2 13 Honeycomb
Android 3.1 12 Honeycomb
Android 3.0 11 Honeycomb
Android 2.3.3 – 2.3.7 10 Gingerbread
Android 2.3 – 2.3.2 9 Gingerbread
Android 2.2 – 2.2.3 8 Froyo
Android 2.0.1 7 Eclair
Android 2.1 6 Eclair
Android 2.0 5 Eclair
Android 1.6 4 Donut
Android 1.5 3 Cupcake
Android 1.1 2
Android 1.0 1

Android data storage options

Your data storage options are the following:

Shared Preferences
Store private primitive data in key-value pairs.
Internal Storage
Store private data on the device memory.
External Storage
Store public data on the shared external storage.
SQLite Databases
Store structured data in a private database.
Network Connection
Store data on the web with your own network server.