Попробуйте этот код (
источник):
unit OpenViewUrl;
interface
// URLEncode is performed on the URL
// so you need to format it protocol://path
function OpenURL(const URL: string; const DisplayError: Boolean = False): Boolean;
implementation
uses
IdURI, SysUtils, Classes, FMX.Dialogs,
{$IFDEF ANDROID}
Androidapi.Helpers,
FMX.Helpers.Android, Androidapi.JNI.GraphicsContentViewText,
Androidapi.JNI.Net, Androidapi.JNI.JavaTypes;
{$ELSE}
{$IFDEF IOS}
Macapi.Helpers, iOSapi.Foundation, FMX.Helpers.iOS;
{$ENDIF IOS}
{$ENDIF ANDROID}
function OpenURL(const URL: string; const DisplayError: Boolean = False): Boolean;
{$IFDEF ANDROID}
var
Intent: JIntent;
begin
// There may be an issue with the geo: prefix and URLEncode.
// will need to research
Intent := TJIntent.JavaClass.init(TJIntent.JavaClass.ACTION_VIEW,
TJnet_Uri.JavaClass.parse(StringToJString(TIdURI.URLEncode(URL))));
try
SharedActivity.startActivity(Intent);
exit(true);
except
on e: Exception do
begin
if DisplayError then ShowMessage('Error: ' + e.Message);
exit(false);
end;
end;
end;
{$ELSE}
{$IFDEF IOS}
var
NSU: NSUrl;
begin
// iOS doesn't like spaces, so URL encode is important.
NSU := StrToNSUrl(TIdURI.URLEncode(URL));
if SharedApplication.canOpenURL(NSU) then
exit(SharedApplication.openUrl(NSU))
else
begin
if DisplayError then
ShowMessage('Error: Opening "' + URL + '" not supported.');
exit(false);
end;
end;
{$ELSE}
begin
raise Exception.Create('Not supported!');
end;
{$ENDIF IOS}
{$ENDIF ANDROID}
end.