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| unit Unit1;
interface
uses
System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.Layouts,
FMX.Memo, FMX.TabControl, FMX.StdCtrls, FMX.ListBox, FMX.WebBrowser, FMX.Edit,
Posix.Unistd {pour deletefile},
{pour le GPS : }
FMX.Helpers.Android, Androidapi.JNI.GraphicsContentViewText,Androidapi.JNI.Os,
Androidapi.JNI.Location, Androidapi.JNIBridge, Androidapi.JNI.JavaTypes,
Androidapi.JNI.Provider {pour appel Parametres/Localisation};
type
TForm1 = class(TForm)
TabControl1: TTabControl;
TabItemGPS: TTabItem;
TabItemCarte: TTabItem;
TabItemHisto: TTabItem;
MemoHisto: TMemo;
ListBox1: TListBox;
ListBoxHeader1: TListBoxHeader;
ListBoxGroupHeader1: TListBoxGroupHeader;
ListBoxLat: TListBoxItem;
ListBoxLon: TListBoxItem;
ListBoxAlt: TListBoxItem;
ListBoxPrc: TListBoxItem;
ListBoxGroupHeader2: TListBoxGroupHeader;
ListBoxNum: TListBoxItem;
ListBoxRue: TListBoxItem;
ListBoxPtl: TListBoxItem;
ListBoxVil: TListBoxItem;
ListBoxPay: TListBoxItem;
ListBoxCdP: TListBoxItem;
Label1: TLabel;
WebBrowser1: TWebBrowser;
Zoom: TTrackBar;
ToolBar1: TToolBar;
LabelZoom: TLabel;
ButtonClb: TButton;
TypeCarte: TComboBox;
GoogleMap: TListBoxItem;
roadmap: TListBoxItem;
satellite: TListBoxItem;
hybrid: TListBoxItem;
terrain: TListBoxItem;
openstreetmap: TListBoxItem;
procedure FormCreate(Sender: TObject);
procedure onLocationChanged(location: JLocation);
procedure FaitCarte;
procedure FaitCarte1;
procedure FaitCarte2;
procedure FaitCarte3;
procedure onChangeZoom(Sender: TObject);
procedure TypeCarteChange(Sender: TObject);
procedure ButtonClbClick(Sender: TObject);
procedure ParametresLocalisation(Sender: TObject);
procedure TabControl1Resize(Sender: TObject);
procedure TabItemCarteClick(Sender: TObject);
procedure ListBoxLatClick(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
FLocationManager : JLocationManager;
FGeocoder: JGeocoder;
Address : Jaddress;
AddressList : JList;
public
{ Déclarations publiques }
end;
TLocationListener = class(TJavaLocal, JLocationListener)
private
Fparent : TForm1;
public
constructor Create(AParent: TForm1);
procedure onLocationChanged(location: JLocation); cdecl;
procedure onProviderDisabled(provider: JString); cdecl;
procedure onProviderEnabled(provider: JString); cdecl;
procedure onStatusChanged(provider: JString; status: Integer; extras: JBundle); cdecl;
end;
TGpsListener = class (TJavaLocal, JGpsStatus_Listener)
private
Fparent : TForm1;
public
constructor Create(AParent: TForm1);
procedure onGpsStatusChanged(event: integer); cdecl;
end;
var
Form1: TForm1;
locationListener : TLocationListener;
GPSListener : TGpsListener;
TestB : boolean = False;
implementation
{$R *.fmx}
// GPS --------------------------------------------------------------------------------------
constructor TGpsListener.Create(AParent: TForm1);
begin
inherited Create;
FParent := AParent;
end;
procedure TGpsListener.onGPSStatusChanged(event: integer);
begin
if TestB then FParent.MemoHisto.Lines.Add('onGPSStatusChanged event = ' + IntToStr(event)); // <---- ne passe jamais ici
end;
constructor TLocationListener.Create(AParent: TForm1);
begin
inherited Create;
FParent := AParent;
end;
procedure TLocationListener.onLocationChanged(location: JLocation);
begin
FParent.onLocationChanged(location);
end;
procedure TLocationListener.onProviderDisabled(provider: JString);
begin
if TestB then
FParent.MemoHisto.Lines.Add('Fournisseur ' +
JStringToString(provider) +
' désactivé par l''utilisateur');
end;
procedure TLocationListener.onProviderEnabled(provider: JString);
begin
if TestB then
FParent.MemoHisto.Lines.Add('Fournisseur ' +
JStringToString(provider) +
' activé par l''utilisateur');
end;
procedure TLocationListener.onStatusChanged(provider: JString;
status: Integer;
extras: JBundle);
begin
if TestB then case status of
0 : FParent.MemoHisto.Lines.Add('Fournisseur ' +
JStringToString(provider) +
' hors service et ne devrait pas changer dans un avenir proche');
1 : FParent.MemoHisto.Lines.Add('Fournisseur ' +
JStringToString(provider) +
' temporairement indisponible mais disponible sous peu');
2 : FParent.MemoHisto.Lines.Add('Fournisseur ' +
JStringToString(provider) +
' actuellement disponible');
end;
end;
procedure TForm1.onLocationChanged(location: JLocation);
var
LSettings: TFormatSettings;
LDecSeparator : Char;
begin
if Assigned(location) then
begin
LDecSeparator := FormatSettings.DecimalSeparator;
LSettings := FormatSettings;
try
FormatSettings.DecimalSeparator := '.';
ListBoxLat.ItemData.Detail := FormatFloat('##0.0#####',location.getLatitude);
ListBoxLon.ItemData.Detail := FormatFloat('##0.0#####',location.getLongitude);
ListBoxAlt.ItemData.Detail := FormatFloat('####0.0## m',location.getAltitude);
ListBoxPrc.ItemData.Detail := location.getAccuracy.ToString + ' m';
//FaitCarte; deplacé dans TabItemCarteClick
finally
FormatSettings.DecimalSeparator := LDecSeparator;
end;
if not Assigned(FGeocoder) then FGeocoder := TJGeocoder.JavaClass.init(SharedActivityContext);
if Assigned(FGeocoder) then
begin
AddressList := Fgeocoder.getFromLocation(location.getLatitude, location.getLongitude, 1);
if AddressList.size>0 then
begin
Address := TJAddress.Wrap((AddressList.get(0) as ILocalObject).GetObjectID);
if Assigned(Address) then
begin
ListBoxNum.ItemData.Detail := JStringToString(Address.getSubThoroughfare);
ListBoxRue.ItemData.Detail := JStringToString(Address.getThoroughfare);
ListBoxPtl.ItemData.Detail := JStringToString(Address.getPostalCode);
ListBoxVil.ItemData.Detail := JStringToString(Address.getLocality);
ListBoxPay.ItemData.Detail := JStringToString(Address.getCountryName);
ListBoxCdP.ItemData.Detail := JStringToString(Address.getCountryCode);
end;
end;
end;
end;
end;
//------------------------------------------------------------------------------------------------------------
procedure TForm1.ButtonClbClick(Sender: TObject);
begin
if ListBoxLat.ItemData.Detail<>'' then
with TMemo.Create(Self) do
begin
Visible:=False;
Lines.Clear;
Lines.Add(ListBoxNum.ItemData.Detail + ' ' + ListBoxRue.ItemData.Detail);
Lines.Add(ListBoxPtl.ItemData.Detail + ' ' + ListBoxVil.ItemData.Detail);
Lines.Add(ListBoxPay.ItemData.Detail);
SelectAll;
CopyToClipboard;
Free;
end;
end;
procedure TForm1.ListBoxLatClick(Sender: TObject);
begin
if ListBoxLat.ItemData.Detail<>'' then
with TMemo.Create(Self) do
begin
Visible:=False;
Lines.Clear;
Lines.Add(ListBoxLat.ItemData.Detail + ',' + ListBoxLon.ItemData.Detail);
SelectAll;
CopyToClipboard;
Free;
end;
end;
procedure TForm1.onChangeZoom(Sender: TObject);
begin
LabelZoom.Text:=Format('%2.0f', [Zoom.Value]);
FaitCarte;
end;
procedure TForm1.TabControl1Resize(Sender: TObject);
begin
Zoom.Width := Trunc(TabControl1.Width / 2);
end;
procedure TForm1.TabItemCarteClick(Sender: TObject);
begin
FaitCarte;
end;
procedure TForm1.TypeCarteChange(Sender: TObject);
begin
FaitCarte;
end;
procedure TForm1.FaitCarte;
begin
case TypeCarte.ItemIndex of
0..3: begin
Zoom.Visible := true;
LabelZoom.Visible := true;
FaitCarte1;
end;
4: begin
Zoom.Visible := false;
LabelZoom.Visible := false;
FaitCarte2;
end;
5: begin
Zoom.Visible := false;
LabelZoom.Visible := false;
FaitCarte3;
end;
end;
end;
procedure TForm1.FaitCarte1;
var
URLString: String;
begin
if ListBoxLat.ItemData.Detail<>'' then
...
end;
procedure TForm1.FaitCarte2;
begin
WebBrowser1.Navigate('about:blank'); //au cas où le fichier soit tenu par WebBrowser1
deletefile('file:///sdcard/Download/test.htm');
if ListBoxLat.ItemData.Detail<>'' then
begin
with TMemo.Create(Self) do
begin
Visible:=False;
Lines.Clear;
Lines.Add('<!DOCTYPE html>');
Lines.Add('<html>');
...
Lines.Add('</html>');
Lines.SaveToFile('/sdcard/Download/test.htm');
Free;
end;
WebBrowser1.Navigate('file:///sdcard/Download/test.htm');
end;
end;
procedure TForm1.FaitCarte3;
begin
WebBrowser1.Navigate('about:blank'); //au cas où le fichier soit tenu par WebBrowser1
deletefile('file:///sdcard/Download/test.htm');
if ListBoxLat.ItemData.Detail<>'' then
begin
with TMemo.Create(Self) do
begin
Visible:=False;
Lines.Clear;
Lines.Add('<!DOCTYPE html>');
Lines.Add('<html>');
...
Lines.Add('</html>');
Lines.SaveToFile('/sdcard/Download/test.htm');
Free;
end;
WebBrowser1.Navigate('file:///sdcard/Download/test.htm');
end;
end;
procedure TForm1.ParametresLocalisation(Sender: TObject);
var
poke : JIntent;
begin
poke := TJIntent.JavaClass.init(TJSettings.JavaClass.ACTION_LOCATION_SOURCE_SETTINGS);
poke.addCategory(TJIntent.JavaClass.CATEGORY_DEFAULT);
poke.setFlags(TJIntent.JavaClass.FLAG_ACTIVITY_NEW_TASK or
TJIntent.JavaClass.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
poke.setComponent(TJComponentName.JavaClass.init(StringToJString('com.android.settings'),
StringToJString('com.android.settings.Settings$LocationSettingsActivity')));
SharedActivityContext.startActivity(poke);
end;
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
WebBrowser1.Navigate('about:blank'); //au cas où le fichier soit tenu par WebBrowser1
deletefile('file:///sdcard/Download/test.htm');
end;
procedure TForm1.FormCreate(Sender: TObject);
var
LocationManagerService : JObject;
iter : JIterator;
location : JLocation;
begin
Zoom.Width := Trunc(ToolBar1.Width / 2);
LabelZoom.Text:=Format('%2.0f', [Zoom.Value]);
if not Assigned(FLocationManager) then
begin
LocationManagerService := SharedActivityContext.getSystemService(TJcontext.JavaClass.LOCATION_SERVICE);
FLocationManager := TJLocationManager.Wrap((LocationManagerService as ILocalObject).GetObjectID);
if not Assigned(LocationListener) then LocationListener := TLocationListener.Create(self);
FLocationManager.requestLocationUpdates(TJLocationManager.JavaClass.GPS_PROVIDER,
10000, {delais ms}
10, {distance m}
LocationListener,
TJLooper.JavaClass.getMainLooper);
end;
iter := FLocationManager.GetAllProviders.Iterator;
MemoHisto.Lines.Clear;
MemoHisto.Lines.Add('GetAllProviders :');
while iter.hasNext do MemoHisto.Lines.Add(JStringToString(iter.next.ToString));
MemoHisto.Lines.Add('');
if NOT FLocationManager.IsProviderEnabled(TJLocationManager.JavaClass.GPS_PROVIDER) then
case MessageDlg('Veuillez activer le GPS',
System.UITypes.TMsgDlgType.mtInformation,
[System.UITypes.TMsgDlgBtn.mbYes,
System.UITypes.TMsgDlgBtn.mbCancel],
0) of
mrYES: ParametresLocalisation(Sender){appel menu Parametres/Localisation};
mrCancel: Halt;
end;
MemoHisto.Lines.Add('IsProviderEnabled :');
if FLocationManager.IsProviderEnabled(TJLocationManager.JavaClass.GPS_PROVIDER) then
MemoHisto.Lines.Add('GPS_PROVIDER');
if FLocationManager.IsProviderEnabled(TJLocationManager.JavaClass.PASSIVE_PROVIDER) then
MemoHisto.Lines.Add('PASSIVE_PROVIDER');
if FLocationManager.IsProviderEnabled(TJLocationManager.JavaClass.NETWORK_PROVIDER) then
MemoHisto.Lines.Add('NETWORK_PROVIDER');
MemoHisto.Lines.Add('');
location := FLocationManager.getLastKnownLocation(TJLocationManager.JavaClass.GPS_PROVIDER);
if not Assigned(GPSListener) then GPSListener := TGpsListener.Create(self);
try
if FLocationManager.addGpsStatusListener(GPSListener) then MemoHisto.Lines.Add('addGpsStatusListener OK');
except
on E: Exception do
begin
MemoHisto.Lines.Add('addGpsStatusListener NOK :' + #13#10 + E.Message); //message : "java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()"
MemoHisto.Lines.Add('');
end;
end;
TestB := True;
end;
end. |
[XE5] Utilisation de addGpsStatusListener
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