- Start an intent from android
- getApplicationContext (Context)
- setContentView (Activity)
- onCreateOptionsMenu (Activity)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Menu (java.awt)
- ImageIO (javax.imageio)
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