How to check if network is available on Android ( Delphi XE10.3 )
uses
// Solution 1
IdBaseComponent,
IdComponent,
IdTCPConnection,
IdTCPClient,
// Solution 2
System.Net.HttpClient;
uses
// Solution 1
IdBaseComponent,
IdComponent,
IdTCPConnection,
IdTCPClient,
// Solution 2
System.Net.HttpClient;
procedure TForm1.Button1Click(Sender: TObject);
begin
try
if IsInternetConnected then
Label1.Text := 'Connected'
else
Label1.Text := 'No Internet';
except
on e: exception do
begin
Label1.Text := e.Message;
end;
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
try
if IsInternetConnected2 then
Label1.Text := 'Connected'
else
Label1.Text := 'No Internet';
except
on e: exception do
begin
Label1.Text := e.Message;
end;
end;
end;
function TForm1.IsInternetConnected: boolean;
begin
with TIdTCPClient.Create(Self) do
begin
try
try
ReadTimeout := 2000;
ConnectTimeout := 2000;
Port := 80;
Host := 'google.com';
Connect;
Disconnect;
result := true;
except
result := false;
end;
finally
free;
end;
end;
end;
function TForm1.IsInternetConnected2: boolean;
begin
with THTTPClient.Create do
begin
try
try
result := Head('http://google.com').StatusCode < 400;
except
result := false;
end;
finally
free;
end;
end;
end;
uses
// Solution 1
IdBaseComponent,
IdComponent,
IdTCPConnection,
IdTCPClient,
// Solution 2
System.Net.HttpClient;
uses
// Solution 1
IdBaseComponent,
IdComponent,
IdTCPConnection,
IdTCPClient,
// Solution 2
System.Net.HttpClient;
procedure TForm1.Button1Click(Sender: TObject);
begin
try
if IsInternetConnected then
Label1.Text := 'Connected'
else
Label1.Text := 'No Internet';
except
on e: exception do
begin
Label1.Text := e.Message;
end;
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
try
if IsInternetConnected2 then
Label1.Text := 'Connected'
else
Label1.Text := 'No Internet';
except
on e: exception do
begin
Label1.Text := e.Message;
end;
end;
end;
function TForm1.IsInternetConnected: boolean;
begin
with TIdTCPClient.Create(Self) do
begin
try
try
ReadTimeout := 2000;
ConnectTimeout := 2000;
Port := 80;
Host := 'google.com';
Connect;
Disconnect;
result := true;
except
result := false;
end;
finally
free;
end;
end;
end;
function TForm1.IsInternetConnected2: boolean;
begin
with THTTPClient.Create do
begin
try
try
result := Head('http://google.com').StatusCode < 400;
except
result := false;
end;
finally
free;
end;
end;
end;
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