feat: Add new card via QR code (#4)

* feat: Back to main activity after capturing QR

You can't add a new card unless you refresh the app

* Revert last commit

* Fix back to main activity from QR Scanner

* feat: Hardening design

Author: jorge-sanz

.idea/misc.xml

@@ -25,41 +25,10 @@ public static CardRoomDatabase getDatabase(final Context context) {
                 if (INSTANCE == null) {
                     INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
                             CardRoomDatabase.class, "card_database")
-                            .addCallback(sRoomDatabaseCallback)
                             .build();
                 }
             }
         }
         return INSTANCE;
     }
-
-    private static RoomDatabase.Callback sRoomDatabaseCallback =
-            new RoomDatabase.Callback() {
-
-                @Override
-                public void onOpen(@NonNull SupportSQLiteDatabase db) {
-                    super.onOpen(db);
-                    new PopulateDbAsync(INSTANCE).execute();
-                }
-            };
-
-    private static class PopulateDbAsync extends AsyncTask<Void, Void, Void> {
-
-        private final CardDao mDao;
-
-        PopulateDbAsync(CardRoomDatabase db) {
-            mDao = db.cardDao();
-        }
-
-        @Override
-        protected Void doInBackground(final Void... params) {
-            Log.d("CardRoomDatabase", "Populating database");
-            mDao.deleteAll();
-            Card card = new Card("Naufal Aros");
-            mDao.insert(card);
-            card = new Card("Miguel Rojo");
-            mDao.insert(card);
-            return null;
-        }
-    }
 }

app/src/main/java/com/aros/naufal/qrreader/data/database/CardRoomDatabase.java

@@ -30,6 +30,8 @@ public class MainActivity extends AppCompatActivity implements ZXingScannerView.
     private ZXingScannerView mScannerView;
     private CardViewModel mCardViewModel;
     private static final String TAG = "MainActivity";
+    private RecyclerView recyclerView;
+    private CardListAdapter adapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -66,8 +68,8 @@ public void onMenuClosed() {
             }
         });
 
-        RecyclerView recyclerView = findViewById(R.id.recycler_view);
-        final CardListAdapter adapter = new CardListAdapter(this);
+        recyclerView = findViewById(R.id.recycler_view);
+        adapter = new CardListAdapter(this);
         recyclerView.setAdapter(adapter);
         final LinearLayoutManager layoutManager = new LinearLayoutManager(this);
         layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
@@ -97,27 +99,11 @@ protected void onPause() {
 
     @Override
     public void handleResult(final Result result) {
-        // Do something with the result here
-        System.out.println("RESULT ==>> " + result.getText());
-        Log.d("handler", result.getText()); // Prints scan results
-        Log.d("handler", result.getBarcodeFormat().toString()); // Prints the scan format (qrcode)
-        // show the scanner result into dialog box.
-        AlertDialog.Builder builder = new AlertDialog.Builder(this);
-        builder.setTitle("Scan Result");
-        builder.setNeutralButton("Añadir contacto", new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int which) {
-                mCardViewModel.instert(new Card(result.getText()));
-                Toast.makeText(MainActivity.this, "Confirmado", Toast.LENGTH_LONG).show();
-            }
-        });
-
-        builder.setMessage(result.getText());
-        AlertDialog alert1 = builder.create();
-
-        alert1.show();
-
-        // If you would like to resume scanning, call this method below:
-        mScannerView.resumeCameraPreview(this);
+        mCardViewModel.instert(new Card(result.getText()));
+        Toast.makeText(MainActivity.this, "Confirmed", Toast.LENGTH_LONG).show();
+        mScannerView.removeAllViews();
+        mScannerView.stopCamera();
+        finish();
+        startActivity(getIntent());
     }
 }

app/src/main/java/com/aros/naufal/qrreader/ui/activities/MainActivity.java

@@ -13,7 +13,6 @@
         android:id="@+id/recycler_view"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:background="@android:color/white"
         tools:listitem="@layout/recyclerview_item" />
 
 </android.support.constraint.ConstraintLayout>

app/src/main/res/layout/content_main.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#3F51B5</color>
-    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorPrimary">#000000</color>
+    <color name="colorPrimaryDark">#000000</color>
     <color name="colorAccent">#FF4081</color>
     <color name="color">#00FF00</color>
     <color name="fabButton">#2196F3</color>

app/src/main/res/values/colors.xml

@@ -12,7 +12,6 @@
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">26dp</item>
         <item name="android:textSize">24sp</item>
-        <item name="android:textStyle">bold</item>
         <item name="android:layout_marginBottom">6dp</item>
         <item name="android:paddingLeft">8dp</item>
     </style>