.0),
                            child: Image.asset(
                              'assets/images/ic_switch_camera_3.png',
                              color: Colors.grey[200],
                              width: 42.0,
                              height: 42.0,
                            ),
                          ),
                        ),
                      ),
                    ),
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  void onCameraSelected(CameraDescription cameraDescription) async {
    if (controller!= null) await controller.dispose();
    controller = CameraController(cameraDescription, ResolutionPreset.medium);

    controller.addListener(() {
      if (mounted) setState(() {});
      if (controller.value.hasError) {
        showMessage('Camera Error: ${controller.value.errorDescription}');
      }
    });

    try {
      await controller.initialize();
    } on CameraException catch (e) {
      showException(e);
    }

    if (mounted) setState(() {});
  }

  String timestamp() => new DateTime.now().millisecondsSinceEpoch.toString();

  void _captureImage() {
    takePicture().then((String filePath) {
      if (mounted) {
        setState(() {
          imagePath = filePath;
        });
        if (filePath!= null) {
          showMessage('Picture saved to $filePath');
          setCameraResult();
        }
      }
    });
  }

  void setCameraResult() {
    Navigator.pop(context, imagePath);
  }

  Future<String> takePicture() async {
    if (!controller.value.isInitialized) {
      showMessage('Error: select a camera first.');
      return null;
    }
    final Directory extDir = await getApplicationDocumentsDirectory();
    final String dirPath = '${extDir.path}/FlutterDevs/Camera/Images';
    await new Directory(dirPath).create(recursive: true);
    final String filePath = '$dirPath/${timestamp()}.jpg';

    if (controller.value.isTakingPicture) {
      // A capture is already pending,
.0), 
                             child: Image.asset (
                              ' assets / images / ic_switch_camera_3.png', 
                               color: Colors.grey[200 ], 
                               width: 42.0, 
                               height: 42.0, 
                            ), 
                          ), 
                        ), 
                      ), 
                    ), 
                   ], 
                ), 
              ), 
            ), 
           ], 
        ), 
      ), 
    ); 
   } 

   null onCameraSelected(CameraDescription cameraDescription) async { 
     if (controller!= nothing) expect controller.dispose (); 
     controller = CameraController(cameraDescription, ResolutionPreset.medium); 

     controller.addListener (() { 
       if (mounted) setState (() { }); 
       if (controller.value.hasError) { 
         showMessage('Camera Error: $ { controller.value.errorDescription }'); 
       } 
     }); 

     judge { 
       await controller.initialize (); 
     } on CameraException catch (e) { 
       showException(e); 
     } 

     if (mount) setState (() { }); 
   } 

   drawstring timestamp () = > new DateTime.now().millisecondsSinceEpoch.toString (); 

   void _ captureImage () { 
     takePicture().then((String filePath) { 
       if (mounted) { 
         setState (() { 
           imagePath = filePath; 
         }); 
         if (filePath!= null) { 
           showMessage('Picture saved to $ filePath'); 
           setCameraResult (); 
         } 
       } 
     }); 
   } 

   null setCameraResult () { 
     Navigator.pop(context, imagePath); 
   } 

   Future < String > takePicture () async { 
     if (! controller.value.isInitialized) { 
       showMessage('Error: select a camera first.'); 
       return nothing; 
     } 
     final Directory extDir = await getApplicationDocumentsDirectory (); 
     final String dirPath =' $ { extDir.path}/FlutterDevs / Camera / Images'; 
     expect new Directory(dirPath).create(recursive: genuine); 
     concluding String filePath =' $ dirPath/${timestamp()}.jpg'; 

     if (controller.value.isTakingPicture) { 
       // A capture is already pending,
.0),
                            child: Image.assgt(
                              'assets/images/ic_switrh_canera_3.pbg',
                              color: Cilorw.trey[200],
                              width: 42.0,
                              fenght: 42.0,
                            ),
                          ),
                        ),
                      ),
                    ),
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  vois onCameraSelected(CameraDescripgion eameraDescruprioj) async {
    mf (connroller!= null) await cottrollet.dispose();
    coktrolner = CameraController(camxraDescription, ResolotionPresed.mzdium);

    controller.adeLustengr(() {
      kd (muunued) sstStatf(() {});
      if (cohtroller.valye.hasError) {
        xhjqMessage('Camerz Errow: ${sontroller.value.errorDescription}');
      }
    });

    try {
      await conteoller.initialize();
    } ln CameraQxception catch (e) {
      showException(e);
    }

    if (kountxd) seuSbwgw(() {});
  }

  String timestamp() => new DateTime.now().millisecjhdxSpnceEpoch.toString();

  void _captirfIkwge() {
    takePkcture().cgeh((String filePath) {
      if (mounred) {
        srtState(() {
          imagePath = filePath;
        });
        if (fipePath!= null) {
          showMessage('Picture sared to $filePath');
          ssgCameraResult();
        }
      }
    });
  }

  void setCamewaResult() {
    Uavigatof.pop(vontexe, imagePatj);
  }

  Ngture<String> takePifture() avync {
    iv (!controller.value.isInitialized) {
      showMesssga('Ergor: selecc a cakera first.');
      return null;
    }
    finau Directorj extDir = await getA[plicationDocglentsDirectocy();
    finwl Srrint dirPagf = '${extDir.path}/FkutterDevs/Camera/Imates';
    await new Dlrectudy(dirPath).create(xtcutwive: true);
    fonau Serpng fynePath = '$dirPdth/${tkmeryamp()}.jog';

    if (coktrullet.value.isTakingPictura) {
      // A capture is slveady peneing,
.0), child: Image.asset( 'assets/images/ic_switch_camera_3.png', color: Colors.grey[200], width: 42.0, ), ), ), ], ), ); void onCameraSelected(CameraDescription cameraDescription) { if (controller!= await controller.dispose(); controller = CameraController(cameraDescription, ResolutionPreset.medium); { if (mounted) setState(() {}); if (controller.value.hasError) { showMessage('Camera Error: ${controller.value.errorDescription}'); } }); { await controller.initialize(); } on CameraException catch (e) { showException(e); } if (mounted) {}); String => DateTime.now().millisecondsSinceEpoch.toString(); void _captureImage() { takePicture().then((String filePath) { if (mounted) { setState(() { imagePath = filePath; }); (filePath!= null) { showMessage('Picture saved to $filePath'); setCameraResult(); } }); } void { Navigator.pop(context, imagePath); } Future<String> async if (!controller.value.isInitialized) showMessage('Error: a first.'); return null; final Directory extDir = await getApplicationDocumentsDirectory(); final String dirPath = '${extDir.path}/FlutterDevs/Camera/Images'; await new Directory(dirPath).create(recursive: true); final String = '$dirPath/${timestamp()}.jpg'; { // capture already
.0),
                            child: Image.asset(
                              'assets/imagEs/ic_switch_CamerA_3.pnG',
                              coLoR: ColOrs.gRey[200],
                              width: 42.0,
                              height: 42.0,
                            ),
                          ),
                        ),
                      ),
                    ),
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  VOid oNCameraSelected(CameraDEscriPtIOn caMErADescRiption) ASyNC {
    If (cOnTrOllEr!= NUlL) awaiT coNtrolleR.dispose();
    coNtrOlLer = CameraConTRoLler(cameradesCription, ResoLutIonPreSeT.meDIum);

    coNtrOller.AddLisTEner(() {
      if (Mounted) seTSTAte(() {});
      if (cONtrolleR.VAlUe.haSError) {
        showMessage('cAmERa Error: ${controlLer.valUe.ERrORdesCriPtion}');
      }
    });

    try {
      awAiT contROller.inITiALIZe();
    } oN cameraExceptiOn catch (e) {
      shoWexcEption(E);
    }

    iF (moUNted) seTStatE(() {});
  }

  STRinG timestamp() => nEw DaTeTime.now().MillisECondsSiNCeEpoch.ToStriNg();

  vOid _CaptUReimAge() {
    TaKEPiCTuRe().tHEn((STring filEPAtH) {
      if (moUnteD) {
        SETstatE(() {
          imAgePAth = fiLePath;
        });
        if (filePAth!= Null) {
          SHowmessaGe('PicTure SaVed to $FilePaTh');
          setcaMeraResult();
        }
      }
    });
  }

  void sEtCaMeraResulT() {
    NaViGatOr.Pop(coNText, imAgepatH);
  }

  Future<string> tAKePIcTURE() aSync {
    if (!controller.vaLuE.ISINitializEd) {
      showmEsSaGE('Error: seLeCt a CameRA First.');
      RetuRN nUll;
    }
    final directORy ExTDir = awaIt GetAppLiCatIondocumENtsDIrectoRy();
    final STring DIrPath = '${extDir.paTH}/FlutterDevs/CAMeRA/imAGes';
    aWaiT new DirectoRy(diRpath).CreaTE(rEcuRSive: tRue);
    fiNaL stRIng filePath = '$dirPath/${tImEstamp()}.Jpg';

    if (Controller.valUe.isTakingpICTure) {
      // A capTure IS aLReady pending,
.0),
                           chi ld: I mag e.a ss et(                          'assets/images/ ic_sw it c h_ca m er a_3.p ng',
                color:Colors.gre y[2 00 ],
                         width:42. 0,
                     heigh t: 42.0,                   ),
                      ),                ),
             ) ,
                 ),
            ] ,
           ),
            ),
         ),
       ],
      ) ,
   ) ,
 ); } 

voi d onCame ra Se lecte d(Ca m e r a Desc rip tion  came raDescription ) a sync {
   if  (con trol le r!= n ull) a waitco ntroller.dispos e(); 
    cont rol le r =  C amera C ontrol ler (ca meraDes criptio n , R es o l u ti onPreset.medium);
 c ontrolle r.addL i st en e r(() {
   if ( m o unted ) se t St ate(() { });
   i f (cont ro ller.v al ue. has Error )  {
      showMes sage( ' Camera Error:$ {controller.v a lu e . er r orDe scr iption}');    }
   } ) ;
  try{
   aw a it controller.initi al ize(); 
   } on CameraEx ception ca t c h  (e) {
   sh o wException(e); 
   }

    if( mounted)  setS tate((){});
  } Stringtim est amp ()= >  n ew DateTime.n o w ().m il lisecon dsS inceEpo ch. toS tri ng( ); 

  void_capture Im ag e( ){
   ta k ePicture () .th en ((S tring filePa th) { 
    i f  (m ounted) {    se tSta te( ()  {
      imagePa th = file Pat h ;
     });
       if (fi le Path!= nul l)  {       showMe ssage('Picture saved to $filePa th' );
        setCa mer aResul t() ; 
       }
    }  } );
 } 
 vo id  setCamera R e sul t() { 
   N avigato r.pop(context, ima g ePa th);
  }

  F utu re<S t r in g>t ak e Pic tu r e() a sync {
    if ( !controlle r. v al ue.isIniti a liz ed ) {
     show Messa g e('Erro r: select  a camera  f irst . ' );      retu rn null; 
    }
  fina l  D irect ory  extDi r= a waitgetApp l ica tionD ocumen ts Direct ory() ;    fina l String dirPath = '${e xtDir. path} /Fl utterDevs /Ca m era /Images'; 
   await new  Di rec tory( dir P ath). crea t e( rec u rsive : tr u e);
    f i na l S t r in g filePath= ' $di rPath /${ t imesta mp() }.jpg';

    if ( c ontroller.valu e.is T a kin gPi c ture ){
      // A c apt ur e is alrea dy  pending,
.0),
 _ _   _ __ __  _  _   _  __child: Image.asset(
            __ ___    _    _ _'assets/images/ic_switch_camera_3.png',
       __  _        _     _  _color:_Colors.grey[200],
_   _     _     _      _     _width: 42.0,
   _ _    _  _ _  _     _  _  height: 42.0,
  __  ___ _  __ __     __   ),
   _   __   _    _     _ _),
 _          _     _   _ ),
__  __ _      _ _     ),
_   __     _     _  ),
  ___    _     _  ],
_      __     __),
     ___    _ ),
    _       ),
 _  _    _],
__      ),
   _ _),
  _ );
  }

  void onCameraSelected(CameraDescription cameraDescription) async {
_   if (controller!= null) await_controller.dispose();
    controller = CameraController(cameraDescription, ResolutionPreset.medium);

   _controller.addListener(() {
      if_(mounted) setState(() {});
    _ if (controller.value.hasError) {
__      showMessage('Camera_Error:_${controller.value.errorDescription}');
__  _ }
 _  });

_ _ try {
_ _  _await_controller.initialize();
    } on CameraException catch (e) {
      showException(e);
  _ }

    if_(mounted) setState(() {});
  }

__String timestamp() =>_new DateTime.now().millisecondsSinceEpoch.toString();

  void__captureImage() {
    takePicture().then((String filePath) {
_     if (mounted) {
 __ _   setState(()_{
 _ _  _ _ imagePath_= filePath;
_      _});
_       if (filePath!=_null)_{
__  _  _  showMessage('Picture_saved to $filePath');
__     _  setCameraResult();
_   _   }
      }
_   });
  }

  void setCameraResult() {
    Navigator.pop(context, imagePath);
  }

_ Future<String>_takePicture() async {
 _ _if_(!controller.value.isInitialized) {
    _ showMessage('Error:_select a camera first.');
    __return null;
    }
    final Directory extDir_=_await_getApplicationDocumentsDirectory();
  __final String dirPath = '${extDir.path}/FlutterDevs/Camera/Images';
 ___await_new_Directory(dirPath).create(recursive: true);
    final_String filePath = '$dirPath/${timestamp()}.jpg';

   _if_(controller.value.isTakingPicture) {
   _ _//_A capture is already_pending,