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[Reachability] Fix startup crash + update sample
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Oleg Demchenko authored and Oleg Demchenko committed Sep 10, 2015
1 parent 1b316ce commit d75b9c3
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Showing 12 changed files with 535 additions and 673 deletions.
170 changes: 5 additions & 165 deletions ReachabilitySample/AppDelegate.cs
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@@ -1,170 +1,10 @@
using System;
using CoreGraphics;
using Foundation;
using Foundation;
using UIKit;

namespace reachability
{
public partial class ReachabilityAppDelegate : UIApplicationDelegate
{
UITableView tableView;
NetworkStatus remoteHostStatus, internetStatus, localWifiStatus;

static void Main (string[] args)
{
UIApplication.Main (args, null, (string)null);
}

public override bool FinishedLaunching (UIApplication application, NSDictionary launchOptions)
{
AddTable ();
UpdateStatus ();
Reachability.ReachabilityChanged += (object sender, EventArgs e) => {
UpdateStatus ();
};

window.MakeKeyAndVisible ();

return true;
}

void UpdateStatus ()
{
remoteHostStatus = Reachability.RemoteHostStatus ();
internetStatus = Reachability.InternetConnectionStatus ();
localWifiStatus = Reachability.LocalWifiConnectionStatus ();
tableView.ReloadData ();
}

void AddTable ()
{
CGRect tableFrame = UIScreen.MainScreen.ApplicationFrame;

tableView = new UITableView (tableFrame, UITableViewStyle.Grouped) {
AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight,
RowHeight = 44.0f,
SeparatorStyle = UITableViewCellSeparatorStyle.None,
SectionHeaderHeight = 28.0f,
ScrollEnabled = false,

Source = new DataSource (this),
};

contentView.InsertSubviewBelow (tableView, summaryLabel);
contentView.BringSubviewToFront (summaryLabel);
tableView.ReloadData ();
}

class DataSource : UITableViewSource
{
ReachabilityAppDelegate parent;
UIImage imageCarrier, imageWiFi, imageStop;

public DataSource (ReachabilityAppDelegate parent)
{
imageCarrier = UIImage.FromFile ("WWAN5.png");
imageWiFi = UIImage.FromFile ("Airport.png");
imageStop = UIImage.FromFile ("stop-32.png");

this.parent = parent;
}

public override NSIndexPath WillSelectRow (UITableView view, NSIndexPath index)
{
return null;
}

public override nint RowsInSection (UITableView view, nint section)
{
return 1;
}

public override nint NumberOfSections (UITableView view)
{
return 3;
}

public override string TitleForHeader (UITableView view, nint section)
{
switch (section) {
case 0:
return Reachability.HostName;
case 1:
return "Access to internet hosts";
case 2:
return "Access to Local Bonjour Hosts";
default:
return "Unknown";
}
}

static NSString ReachabilityTableCellIdentifier = new NSString ("ReachabilityTableCell");

public override UITableViewCell GetCell (UITableView tableView, NSIndexPath indexPath)
{
var cell = tableView.DequeueReusableCell (ReachabilityTableCellIdentifier);
if (cell == null) {
cell = new UITableViewCell (UITableViewCellStyle.Default, ReachabilityTableCellIdentifier);
var label = cell.TextLabel;
label.Font = UIFont.SystemFontOfSize (12f);
label.TextColor = UIColor.DarkGray;
label.TextAlignment = UITextAlignment.Left;
}

var row = indexPath.Row;
string text = "";
UIImage image = null;
switch (indexPath.Section) {
case 0:
switch (parent.remoteHostStatus) {
case NetworkStatus.NotReachable:
text = "Cannot connect to remote host";
image = imageStop;
break;
case NetworkStatus.ReachableViaCarrierDataNetwork:
text = "Reachable via data carrier network";
image = imageCarrier;
break;
case NetworkStatus.ReachableViaWiFiNetwork:
text = "Reachable via WiFi network";
image = imageWiFi;
break;
}
break;
case 1:
switch (parent.internetStatus) {
case NetworkStatus.NotReachable:
text = "Access not available";
image = imageStop;
break;
case NetworkStatus.ReachableViaCarrierDataNetwork:
text = "Available via data carrier network";
image = imageCarrier;
break;
case NetworkStatus.ReachableViaWiFiNetwork:
text = "Available via WiFi network";
image = imageWiFi;
break;
}
break;
case 2:
switch (parent.localWifiStatus) {
case NetworkStatus.NotReachable:
text = "Access not available";
image = imageStop;
break;
case NetworkStatus.ReachableViaWiFiNetwork:
text = "Available via WiFi network";
image = imageWiFi;
break;
}
break;
}
cell.TextLabel.Text = text;
cell.ImageView.Image = image;
return cell;
}
}
namespace Reachability {
[Register ("AppDelegate")]
public class AppDelegate : UIApplicationDelegate {
public override UIWindow Window { get; set; }
}
}

2 changes: 2 additions & 0 deletions ReachabilitySample/Info.plist
View file
Expand Up @@ -29,5 +29,7 @@
<array>
<string>UIInterfaceOrientationPortrait</string>
</array>
<key>UIMainStoryboardFile</key>
<string>Main</string>
</dict>
</plist>
14 changes: 14 additions & 0 deletions ReachabilitySample/Main.cs
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@@ -0,0 +1,14 @@
using UIKit;

namespace Reachability {
public class Application {
// This is the main entry point of the application.
static void Main (string[] args)
{
// if you want to use a different Application Delegate class from "AppDelegate"
// you can specify it here.
UIApplication.Main (args, null, "AppDelegate");
}
}
}

57 changes: 57 additions & 0 deletions ReachabilitySample/Main.storyboard
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@@ -0,0 +1,57 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8187.4" systemVersion="15A178w" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="G6t-Sy-zaY">
<dependencies>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8151.3"/>
</dependencies>
<scenes>
<!--Root View Controller-->
<scene sceneID="AaP-65-3tI">
<objects>
<tableViewController id="uYg-Wb-NE8" customClass="MainViewController" sceneMemberID="viewController">
<tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="28" sectionFooterHeight="28" id="bpy-jb-hsL">
<rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<animations/>
<color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
<prototypes>
<tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" id="V1L-rk-bW7">
<rect key="frame" x="0.0" y="92" width="320" height="44"/>
<autoresizingMask key="autoresizingMask"/>
<tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="V1L-rk-bW7" id="mEc-0D-cmu">
<rect key="frame" x="0.0" y="0.0" width="320" height="43.5"/>
<autoresizingMask key="autoresizingMask"/>
<animations/>
</tableViewCellContentView>
<animations/>
</tableViewCell>
</prototypes>
<connections>
<outlet property="dataSource" destination="uYg-Wb-NE8" id="UW0-nO-B63"/>
<outlet property="delegate" destination="uYg-Wb-NE8" id="SFR-fz-wuW"/>
</connections>
</tableView>
<navigationItem key="navigationItem" title="Root View Controller" id="WD6-LY-Wq6"/>
</tableViewController>
<placeholder placeholderIdentifier="IBFirstResponder" id="WLN-0l-dYf" userLabel="First Responder" sceneMemberID="firstResponder"/>
</objects>
<point key="canvasLocation" x="748" y="134"/>
</scene>
<!--Navigation Controller-->
<scene sceneID="rk5-AZ-VT1">
<objects>
<navigationController id="G6t-Sy-zaY" sceneMemberID="viewController">
<navigationBar key="navigationBar" contentMode="scaleToFill" id="AZi-ef-rH6">
<rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
<autoresizingMask key="autoresizingMask"/>
<animations/>
</navigationBar>
<connections>
<segue destination="uYg-Wb-NE8" kind="relationship" relationship="rootViewController" id="FKX-Rz-4BI"/>
</connections>
</navigationController>
<placeholder placeholderIdentifier="IBFirstResponder" id="R6s-Lf-xV5" userLabel="First Responder" sceneMemberID="firstResponder"/>
</objects>
<point key="canvasLocation" x="208" y="134"/>
</scene>
</scenes>
</document>
135 changes: 135 additions & 0 deletions ReachabilitySample/MainViewController.cs
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@@ -0,0 +1,135 @@
using System;

using UIKit;
using Foundation;

namespace Reachability {
public partial class MainViewController : UITableViewController {
const string ReachabilityTableCellIdentifier = "ReachabilityTableCell";

UIImage imageCarrier, imageWiFi, imageStop;
NetworkStatus remoteHostStatus, internetStatus, localWifiStatus;

public MainViewController (IntPtr handle) : base (handle)
{
}

public override void ViewDidLoad ()
{
base.ViewDidLoad ();
UpdateStatus (null, null);
Reachability.ReachabilityChanged += UpdateStatus;

imageCarrier = UIImage.FromFile ("WWAN5.png");
imageWiFi = UIImage.FromFile ("Airport.png");
imageStop = UIImage.FromFile ("stop-32.png");

TableView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
TableView.RowHeight = 44.0f;
TableView.SeparatorStyle = UITableViewCellSeparatorStyle.None;
TableView.SectionHeaderHeight = 28.0f;
TableView.ScrollEnabled = false;
}

public override NSIndexPath WillSelectRow (UITableView view, NSIndexPath index)
{
return null;
}

public override nint RowsInSection (UITableView view, nint section)
{
return 1;
}

public override nint NumberOfSections (UITableView view)
{
return 3;
}

public override string TitleForHeader (UITableView view, nint section)
{
switch (section) {
case 0:
return Reachability.HostName;
case 1:
return "Access to internet hosts";
case 2:
return "Access to Local Bonjour Hosts";
default:
return "Unknown";
}
}

public override UITableViewCell GetCell (UITableView tableView, Foundation.NSIndexPath indexPath)
{
var cell = tableView.DequeueReusableCell (ReachabilityTableCellIdentifier);
if (cell == null) {
cell = new UITableViewCell (UITableViewCellStyle.Default, ReachabilityTableCellIdentifier);
var label = cell.TextLabel;
label.Font = UIFont.SystemFontOfSize (12f);
label.TextColor = UIColor.DarkGray;
label.TextAlignment = UITextAlignment.Left;
}

string text = "";
UIImage image = null;
switch (indexPath.Section) {
case 0:
switch (remoteHostStatus) {
case NetworkStatus.NotReachable:
text = "Cannot connect to remote host";
image = imageStop;
break;
case NetworkStatus.ReachableViaCarrierDataNetwork:
text = "Reachable via data carrier network";
image = imageCarrier;
break;
case NetworkStatus.ReachableViaWiFiNetwork:
text = "Reachable via WiFi network";
image = imageWiFi;
break;
}
break;
case 1:
switch (internetStatus) {
case NetworkStatus.NotReachable:
text = "Access not available";
image = imageStop;
break;
case NetworkStatus.ReachableViaCarrierDataNetwork:
text = "Available via data carrier network";
image = imageCarrier;
break;
case NetworkStatus.ReachableViaWiFiNetwork:
text = "Available via WiFi network";
image = imageWiFi;
break;
}
break;
case 2:
switch (localWifiStatus) {
case NetworkStatus.NotReachable:
text = "Access not available";
image = imageStop;
break;
case NetworkStatus.ReachableViaWiFiNetwork:
text = "Available via WiFi network";
image = imageWiFi;
break;
}
break;
}
cell.TextLabel.Text = text;
cell.ImageView.Image = image;
return cell;
}

void UpdateStatus (object sender, EventArgs e)
{
remoteHostStatus = Reachability.RemoteHostStatus ();
internetStatus = Reachability.InternetConnectionStatus ();
localWifiStatus = Reachability.LocalWifiConnectionStatus ();
TableView.ReloadData ();
}
}
}

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