logout, индикатор загрузки на экране регистрации

android/app/src/main/java/com/dinect/checker/activity/CameraActivity.java

@@ -37,14 +37,15 @@ import net.sourceforge.zbar.Symbol;
 import net.sourceforge.zbar.SymbolSet;
 import net.sourceforge.zbar.Config;
 import android.graphics.YuvImage;
+import android.view.MenuItem;
 
 import com.dinect.checker.R;
 
 public class CameraActivity extends AppCompatActivity {
 
     private Camera mCamera;
-    private Handler mAutoFocusHandler;
+    private Handler mAutoFocusHandler = new Handler();
-    private ImageScanner mScanner;
+    private ImageScanner mScanner = new ImageScanner();
     private HashMap<String, Integer> mContours = new HashMap<>();
 
     private boolean mBarcodeScanned = false;
@@ -56,13 +57,7 @@ public class CameraActivity extends AppCompatActivity {
 
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
         setContentView(R.layout.a_scanner);
-        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
-
-        mAutoFocusHandler = new Handler();
-        mCamera = getCameraInstance();
-        mScanner = new ImageScanner();
 
         SurfaceView preview = (SurfaceView) findViewById(R.id.cameraPreview);
         SurfaceHolder holder = preview.getHolder();
@@ -71,16 +66,18 @@ public class CameraActivity extends AppCompatActivity {
         setSupportActionBar(toolbar);
 
         ActionBar actionBar = getSupportActionBar();
+
         if (actionBar != null) {
             actionBar.setTitle(getString(R.string.scanner_title));
             actionBar.setDisplayHomeAsUpEnabled(true);
         }
 
+
         holder.addCallback(new SurfaceHolder.Callback() {
             @Override
             public void surfaceCreated(SurfaceHolder holder) {
                 try {
-
+                    mCamera = getCameraInstance();
                     mCamera.setPreviewDisplay(holder);
                     mCamera.startPreview();
                     mCamera.setPreviewCallback(previewCallback);
@@ -98,7 +95,7 @@ public class CameraActivity extends AppCompatActivity {
 
             @Override
             public void surfaceDestroyed(SurfaceHolder holder) {
-
+                mCamera = null;
             }
         });
     }
@@ -109,6 +106,16 @@ public class CameraActivity extends AppCompatActivity {
         return true;
     }
 
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == R.id.logout) {
+            setResult(RESULT_OK);
+            finish();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
 
     private void initCountours() {
 

android/app/src/main/java/com/dinect/checker/activity/MainActivity.java

@@ -7,72 +7,73 @@ import android.util.Log;
 import android.content.SharedPreferences;
 import com.dinect.checker.activity.CameraActivity;
 import com.dinect.checker.service.RegistrationIntentService;
-
 import io.flutter.app.FlutterActivity;
 import io.flutter.plugins.GeneratedPluginRegistrant;
-
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.MethodChannel;
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
 import io.flutter.plugin.common.MethodChannel.Result;
-
 import com.google.android.gms.iid.InstanceID;
-
 import java.util.Map;
 
 public class MainActivity extends FlutterActivity {
 
-    private static final String INSTANCE_ID_CHANNEL = "com.dinect.checker/instance_id";
+    private static final int START_SCANNER_REQUEST_CODE = 2017;
-    private static final String PREF_POS_TOKEN = "pref_pos_token";
+
+    private MethodChannel mChannel;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         GeneratedPluginRegistrant.registerWith(this);
 
+        final String INSTANCE_ID_CHANNEL = "com.dinect.checker/instance_id";
+        final String PREF_POS_TOKEN = "pref_pos_token";
         final SharedPreferences preferences = getPreferences(Context.MODE_PRIVATE);
 
-        new MethodChannel(getFlutterView(), INSTANCE_ID_CHANNEL).setMethodCallHandler(
+        mChannel = new MethodChannel(getFlutterView(), INSTANCE_ID_CHANNEL);
-                new MethodCallHandler() {
+        mChannel.setMethodCallHandler(
-                    @Override
+            new MethodCallHandler() {
-                    public void onMethodCall(MethodCall call, Result result) {
+                @Override
-                        switch (call.method) {
+                public void onMethodCall(MethodCall call, Result result) {
-
+                    switch (call.method) {
-                            case "getInstanceID":
+                        case "getInstanceID":
-
+                            InstanceID instanceID = InstanceID.getInstance(MainActivity.this);
-                                InstanceID instanceID = InstanceID.getInstance(MainActivity.this);
+                            String id = instanceID.getId();
-                                String id = instanceID.getId();
+                            if (id != null) {
-
+                                result.success(id);
-                                if (id != null) {
+                            } else {
-                                    result.success(id);
+                                result.error("UNAVAILABLE", "Can't get instanceID.", null);
-                                } else {
+                            }
-                                    result.error("UNAVAILABLE", "Can't get instanceID.", null);
+                            break;
-                                }
+                        case "saveToken":
-                                break;
+                            Map arguments = call.arguments();
-
+                            String token = (String) arguments.get("token");
-                            case "saveToken":
+                            Log.d("kifio", token);
-                                Map arguments = call.arguments();
+                            preferences.edit().putString(PREF_POS_TOKEN, token).apply();
-                                String token = (String) arguments.get("token");
+                            break;
-                                Log.d("kifio", token);
+                        case "getToken":
-                                preferences.edit().putString(PREF_POS_TOKEN, token).apply();
+                            result.success(preferences.getString(PREF_POS_TOKEN, null));
-                                break;
+                            break;
-
+                        case "startScanner":
-                            case "getToken":
+                            Intent cameraIntent = new Intent(MainActivity.this, CameraActivity.class);
-                                result.success(preferences.getString(PREF_POS_TOKEN, null));
+                            startActivityForResult(cameraIntent, START_SCANNER_REQUEST_CODE);
-                                break;
+                            break;
-
+                        default:
-                            case "startScanner":
+                            result.notImplemented();
-                                startActivity(new Intent(MainActivity.this, CameraActivity.class));
+                            break;
-                                break;
-
-                            default:
-                                result.notImplemented();
-                                break;
-                        }
                     }
+                }
                 });
     }
 
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (requestCode == START_SCANNER_REQUEST_CODE && resultCode == RESULT_OK) {
+            mChannel.invokeMethod("foo", null);
+        }
+    }
+
     public void startScanner() {
 
     }

android/app/src/main/res/drawable/button_blue.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android" >
-    <item android:state_pressed="true"><shape xmlns:android="http://schemas.android.com/apk/res/android"
-        android:shape="rectangle">
-        <corners android:radius="4dp"/>
-        <solid android:color="#3078c0"/>
-    </shape>
-    </item>
-    <item>
-        <shape xmlns:android="http://schemas.android.com/apk/res/android"
-        android:shape="rectangle">
-        <corners android:radius="4dp"/>
-        <solid android:color="#4272e7"/>
-    </shape>
-    </item>
-</selector>
-

lib/main.dart

@@ -51,7 +51,7 @@ void checkToken(BuildContext context, Callback callback) {
       callback.call(context);
     } else {
       // Запускается экран сканера, токен кассы активирован, с его помощью можно делать запросы к pos-api.
-      startScanner();
+      startScanner(context);
     }
 
   }).catchError((error) {
@@ -61,11 +61,24 @@ void checkToken(BuildContext context, Callback callback) {
 
 /// Запуск спецефичной для каждой платформы части приложения - сканера.
 /// Может производиться с нескольких экранов (splash, finish_registration).
-startScanner() async{
+startScanner(BuildContext context) async{
   const platform = const MethodChannel('com.dinect.checker/instance_id');
+  platform.setMethodCallHandler((MethodCall call) async {
+    logout();
+    print(call.method);
+    // dynamic arguments = call.arguments;
+    // handle call then
+    return result;
+    // or
+    // throw new PlatformException(errorCode, anErrorMessage, someDetails);
+  });
   await platform.invokeMethod('startScanner');
 }
 
+logout() {
+  pushRute(_context, new RegistrationScreen());
+}
+
 /// Навигация по приложению.
 /// widget - следующий экран приложения.
 pushRoute(BuildContext context, Widget widget) {
@@ -73,11 +86,16 @@ pushRoute(BuildContext context, Widget widget) {
       builder: (BuildContext context) {
         return widget;
       }));
-}
+} 
 
 class Checker extends StatelessWidget {
   @override Widget build(BuildContext context) {
-    return new MaterialApp(title: "DemoApp", home: new SplashScreen());
+    return new MaterialApp(title: "DemoApp", 
+      home: new SplashScreen(), 
+      theme: new ThemeData(
+        primaryColor: primaryColor,
+        accentColor: primaryColor
+      ));
   }
 }
 
@@ -87,9 +105,6 @@ abstract class BaseState<T> extends State<StatefulWidget> {
 
   }
 
-  void logout() {
-
-  }
 }
 
 abstract class Callback {

lib/registration.dart

@@ -12,6 +12,7 @@ class RegistrationScreen extends StatefulWidget {
 class _RegistrationScreenState extends BaseState<RegistrationScreen> {
 
   String _merchantID = "";
+  bool _loading = false;
 
   @override Widget build(BuildContext context) {
     return new Scaffold(appBar: _getAppBar(), body: _getScreen(context));
@@ -19,16 +20,14 @@ class _RegistrationScreenState extends BaseState<RegistrationScreen> {
 
   AppBar _getAppBar() {
     return new AppBar(title: new Text("Регистрация"),
-        backgroundColor: primaryColor,  actions: <Widget>[
+      actions: <Widget>[new IconButton(icon: new Icon(Icons.help_outline), onPressed: faq)]);
-          new IconButton(
-            icon: new Icon(Icons.help_outline),
-            tooltip: 'Air it',
-            onPressed: faq,
-          )
-        ]);
   }
 
   Widget _getScreen(BuildContext context) {
+    return new Stack(children: <Widget>[_getScreenContent(), _getProgressIndicator()]);
+  }
+
+  Widget _getScreenContent() {
     return new Container(height: 332.0,
         child: new ListView(reverse: true, children: <Widget>[
           new Center(child: new Column(children: <Widget>[
@@ -38,6 +37,10 @@ class _RegistrationScreenState extends BaseState<RegistrationScreen> {
         ].reversed.toList()));
   }
 
+  Widget _getProgressIndicator() {
+    return new Center(child: _loading ? new CircularProgressIndicator() : null);
+  }
+
   Widget _getLogo() {
     return new Container(height: 192.0, width: 156.0,
         child: new Image.asset(logo_png, height: 24.0, width: 156.0));
@@ -56,14 +59,6 @@ class _RegistrationScreenState extends BaseState<RegistrationScreen> {
         onChanged: (text) => _handleUserInput(text));
   }
 
-  void _handleUserInput(String text) {
-    if (text.length > 0) {
-      setState(() {
-        _merchantID = text;
-      });
-    }
-  }
-
   Decoration _getDecoraionForInputField() {
     return new BoxDecoration(color: Colors.white,
         border: new Border.all(color: const Color(0xffcfd8dc), width: 1.0,),
@@ -71,19 +66,35 @@ class _RegistrationScreenState extends BaseState<RegistrationScreen> {
   }
 
   Widget _getButton(BuildContext context) {
-    return  new Container(margin: new EdgeInsets.only(top: 36.0), height: 42.0, padding: new EdgeInsets.only(left: 40.0, right: 40.0),
+    return  new Container(margin: new EdgeInsets.only(top: 36.0), height: 42.0,
+     padding: new EdgeInsets.only(left: 40.0, right: 40.0),
             child: new RaisedButton(child: new Text('ЗАРЕГИСТРИРОВАТЬ',
                 style: new TextStyle(color: Colors.white)),
                 onPressed: _isValidMerchantID() ? () => _registerShop(context, _merchantID) : null,
                 color: primaryColor));
   }
 
-  bool _isValidMerchantID() {
+  Widget _getCircularProgressIndicator() {
+    return new Center(child: new CircularProgressIndicator());
+  }
+
+  _isValidMerchantID() {
     return _merchantID.length == 5;
   }
 
-  void _registerShop(BuildContext context, String merchantShop) {
+  _handleUserInput(String text) {
-    _register(context, merchantShop);
+    if (text.length > 0) {
+      setState(() {
+        _merchantID = text;
+      });
+    }
+  }
+
+  _registerShop(BuildContext context, String merchantShop) {
+    setState(() {
+      loading = true;
+      _register(context, merchantShop);
+    });
   }
 
   _register(BuildContext context, String merchantShop) async {
@@ -113,6 +124,9 @@ class _RegistrationScreenState extends BaseState<RegistrationScreen> {
       platform.invokeMethod('saveToken', {'token' : token}).then((value) {
         print(value.toString());
       });
+      setState(() {
+        loading = false;
+      });
       pushRoute(context, new FinishRegistrationScreen());
     }).catchError((error) {
       print(error.toString());

lib/splash.dart

@@ -27,11 +27,12 @@ class SplashScreen extends StatelessWidget {
 
     // В случае, если в приложении отсутствует токен,
     // необходимо запустить регистрацию кассы.
-    if (token == null) {
+    // if (token == null) {
-      pushRoute(context, new RegistrationScreen());
+    //   pushRoute(context, new RegistrationScreen());
-    } else {
+    // } else {
-      checkToken(context, new CheckTokenCallback());
+    //   checkToken(context, new CheckTokenCallback());
-    }
+    // }
+    startScanner(context);
   }
 
 }
@@ -41,6 +42,7 @@ class CheckTokenCallback extends Callback {
   /// Запускается экран ожидания активации токена.
   /// В реальности токен активируется в админке вручную,
   /// на тестовом сервере токен активируется через несколько минут после создания.
+  
   call(BuildContext context) {
     pushRoute(context, new FinishRegistrationScreen());
   }