?
android.content.Context
android.Manifest
android.app.Activity
android.app.Service
android.net.wifi.WifiManager
android.content.BroadcastReceiver
android.content.Intent
android.content.IntentFilter
android.content.BroadcastReceiver
java.net.URLConnection
?
android.os.Handler
android.view.LayoutInflater
android.widget.ArrayAdapter<T>
android.widget.SimpleAdapter
android.widget.CursorAdapter
android.database.Cursor
android.os.Message
android.widget.ProgressBar
android.app.ProgressDialog
java.net.DatagramSocket
java.net.ServerSocket