This class implements functionality for the main activity in Android Lookup. Start here. More...

Inheritance diagram for com.jburto2.androidlookup.MainActivity:

Public Member Functions
boolean	onCreateOptionsMenu (Menu menu)
	Inflate the menu; this adds items to the action bar if it is present. More...

boolean	onOptionsItemSelected (MenuItem item)
	Handles menu item selection. Only menu item here is the "action_about" for the info activity. More...

void	clearHostNameMessage (View view)
	Clear the fields. This should be the registered response to the "clear" button for the Hostname button. Learned how to clear a field from http://stackoverflow.com/questions/8758635/how-to-clear-the-edittext-when-onclick-on-button. More...

void	lookupMessage (View view)
	Looks up the url or the IP address. This should be the registered response to the "lookup" button. Note: The actual lookup is done on a separate thread. More...

void	whoisMessage (View view)
	Gets the whois information for the host. This should be the registered response to the "whois" button. Note: The actual lookup is done on a separate thread. More...

void	displayToast (String message)
	Displays a popup "Toast" message to the user. Displaying toasts from http://developer.android.com/guide/topics/ui/notifiers/toasts.html. More...

void	displayMessageDialog (String message, String title)
	Displays a message dialog to the user. Displaying message dialogs from http://www.mkyong.com/android/android-alert-dialog-example/. More...

Static Public Attributes
static final String	IP_ADDRESSES = "com.jburto2.androidlookup.IP_ADDRESSES"
	Stores the ip_addresses returned from LookupAddressTask. More...

static final String	CNAME = "com.jburto2.androidlookup.CNAME"
	Stores the CNAME returned from LookupCNAMETask. More...

static final String	LOOKUP_NAME = "com.jburto2.androidlookup.LOOKUP_NAME"
	Stores the hostname that the user enters on the main screen. More...

static final String	PING_RESULTS = "com.jburto2.androidlookup.PING_RESULTS"
	Stores "Yes" or "No" result from LookupPingTask. More...

static final String	WHOIS_INFO = "com.jburto2.androidlookup.WHOIS_INFO"
	Stores the whois request returned from WHOIS_INFO. More...

Protected Member Functions
void	onCreate (Bundle savedInstanceState)
	Method called when activity is created. Sets the content view to activity_main. More...

String	runLookupTask (LookupTask lookupTask, String lookupString)
	This function runs the various LookupTasks on a separate thread. Android does not allow network calls to be made on the main thread, thus the need to create an AsyncTask to do the work. More from http://stackoverflow.com/questions/6343166/android-os-networkonmainthreadexception. More...

Detailed Description

This class implements functionality for the main activity in Android Lookup. Start here.

Author: jburton

Definition at line 27 of file MainActivity.java.

Member Function Documentation

void com.jburto2.androidlookup.MainActivity.clearHostNameMessage ( View view )

Clear the fields. This should be the registered response to the "clear" button for the Hostname button. Learned how to clear a field from http://stackoverflow.com/questions/8758635/how-to-clear-the-edittext-when-onclick-on-button.

Parameters

view

Definition at line 114 of file MainActivity.java.

public void com.jburto2.androidlookup.MainActivity.displayMessageDialog	(	String	message,
		String	title
	)

Displays a message dialog to the user. Displaying message dialogs from http://www.mkyong.com/android/android-alert-dialog-example/.

Parameters

message	Message to display
title	Title of dialog

Definition at line 311 of file MainActivity.java.

Referenced by com.jburto2.androidlookup.MainActivity.lookupMessage(), com.jburto2.androidlookup.MainActivity.runLookupTask(), and com.jburto2.androidlookup.MainActivity.whoisMessage().

public void com.jburto2.androidlookup.MainActivity.displayToast ( String message )

Displays a popup "Toast" message to the user. Displaying toasts from http://developer.android.com/guide/topics/ui/notifiers/toasts.html.

Parameters

message Message to display

Definition at line 293 of file MainActivity.java.

public void com.jburto2.androidlookup.MainActivity.lookupMessage ( View view )

Looks up the url or the IP address. This should be the registered response to the "lookup" button. Note: The actual lookup is done on a separate thread.

Parameters

view

About progress bars: http://stackoverflow.com/questions/11099012/android-spin-refresh-button-while-reloading

Definition at line 128 of file MainActivity.java.

References com.jburto2.androidlookup.MainActivity.CNAME, com.jburto2.androidlookup.MainActivity.displayMessageDialog(), com.jburto2.androidlookup.MainActivity.IP_ADDRESSES, com.jburto2.androidlookup.MainActivity.LOOKUP_NAME, com.jburto2.androidlookup.MainActivity.PING_RESULTS, and com.jburto2.androidlookup.MainActivity.runLookupTask().

protected void com.jburto2.androidlookup.MainActivity.onCreate ( Bundle savedInstanceState )

protected

Method called when activity is created. Sets the content view to activity_main.

Parameters

savedInstanceState

Definition at line 65 of file MainActivity.java.

public boolean com.jburto2.androidlookup.MainActivity.onCreateOptionsMenu ( Menu menu )

Inflate the menu; this adds items to the action bar if it is present.

Parameters

menu	Meny to be created.

Returns: true

Definition at line 80 of file MainActivity.java.

public boolean com.jburto2.androidlookup.MainActivity.onOptionsItemSelected ( MenuItem item )

Handles menu item selection. Only menu item here is the "action_about" for the info activity.

Parameters

item	MenuItem that was selected

Returns: true

Menu from http://developer.android.com/guide/topics/ui/menus.html#options-menu

Definition at line 94 of file MainActivity.java.

protected String com.jburto2.androidlookup.MainActivity.runLookupTask	(	LookupTask	lookupTask,
		String	lookupString
	)

protected

This function runs the various LookupTasks on a separate thread. Android does not allow network calls to be made on the main thread, thus the need to create an AsyncTask to do the work. More from http://stackoverflow.com/questions/6343166/android-os-networkonmainthreadexception.

Parameters

lookupTask	LookupTask that is being called
lookupString	String that is the hostname/ipaddress to be looked up.

Returns: Result of lookup; If lookup failed, display exception in a dialog and return null

Definition at line 259 of file MainActivity.java.

References com.jburto2.androidlookup.MainActivity.displayMessageDialog().

Referenced by com.jburto2.androidlookup.MainActivity.lookupMessage(), and com.jburto2.androidlookup.MainActivity.whoisMessage().

public void com.jburto2.androidlookup.MainActivity.whoisMessage ( View view )

Gets the whois information for the host. This should be the registered response to the "whois" button. Note: The actual lookup is done on a separate thread.

Parameters

view

About progress bars: http://stackoverflow.com/questions/11099012/android-spin-refresh-button-while-reloading

Definition at line 200 of file MainActivity.java.

References com.jburto2.androidlookup.MainActivity.displayMessageDialog(), com.jburto2.androidlookup.MainActivity.runLookupTask(), and com.jburto2.androidlookup.MainActivity.WHOIS_INFO.