Fix crash on rotation in edit view

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## v2.2.2 (2021-08-08)
+
+Changes:
+
+- Fix crash on rotation in loyalty card edit activity
+
 ## v2.2.1 (2021-08-07)
 
 Changes:

app/build.gradle

@@ -18,8 +18,8 @@ android {
         applicationId "me.hackerchick.catima"
         minSdkVersion 19
         targetSdkVersion 30
-        versionCode 77
-        versionName "2.2.1"
+        versionCode 78
+        versionName "2.2.2"
 
         vectorDrawables.useSupportLibrary true
         multiDexEnabled true

app/src/main/java/protect/card_locker/LoyaltyCard.java

@@ -1,6 +1,8 @@
 package protect.card_locker;
 
 import android.database.Cursor;
+import android.os.Parcel;
+import android.os.Parcelable;
 
 import com.google.zxing.BarcodeFormat;
 
@@ -10,7 +12,7 @@ import java.util.Date;
 
 import androidx.annotation.Nullable;
 
-public class LoyaltyCard {
+public class LoyaltyCard implements Parcelable {
     public final int id;
     public final String store;
     public final String note;
@@ -22,6 +24,7 @@ public class LoyaltyCard {
     @Nullable
     public final String barcodeId;
 
+    @Nullable
     public final BarcodeFormat barcodeType;
 
     @Nullable
@@ -31,7 +34,7 @@ public class LoyaltyCard {
 
     public LoyaltyCard(final int id, final String store, final String note, final Date expiry,
                        final BigDecimal balance, final Currency balanceType, final String cardId,
-                       final String barcodeId, final BarcodeFormat barcodeType, final Integer headerColor,
+                       @Nullable final String barcodeId, @Nullable final BarcodeFormat barcodeType, @Nullable final Integer headerColor,
                        final int starStatus)
     {
         this.id = id;
@@ -47,6 +50,38 @@ public class LoyaltyCard {
         this.starStatus = starStatus;
     }
 
+    protected LoyaltyCard(Parcel in) {
+        id = in.readInt();
+        store = in.readString();
+        note = in.readString();
+        long tmpExpiry = in.readLong();
+        expiry = tmpExpiry != -1 ? new Date(tmpExpiry) : null;
+        balance = (BigDecimal) in.readValue(BigDecimal.class.getClassLoader());
+        balanceType = (Currency) in.readValue(Currency.class.getClassLoader());
+        cardId = in.readString();
+        barcodeId = in.readString();
+        String tmpBarcodeType = in.readString();
+        barcodeType = !tmpBarcodeType.isEmpty() ? BarcodeFormat.valueOf(tmpBarcodeType) : null;
+        int tmpHeaderColor = in.readInt();
+        headerColor = tmpHeaderColor != -1 ? tmpHeaderColor : null;
+        starStatus = in.readInt();
+    }
+
+    @Override
+    public void writeToParcel(Parcel parcel, int i) {
+        parcel.writeInt(id);
+        parcel.writeString(store);
+        parcel.writeString(note);
+        parcel.writeLong(expiry != null ? expiry.getTime() : -1);
+        parcel.writeValue(balance);
+        parcel.writeValue(balanceType);
+        parcel.writeString(cardId);
+        parcel.writeString(barcodeId);
+        parcel.writeString(barcodeType != null ? barcodeType.toString() : "");
+        parcel.writeInt(headerColor != null ? headerColor : -1);
+        parcel.writeInt(starStatus);
+    }
+
     public static LoyaltyCard toLoyaltyCard(Cursor cursor)
     {
         int id = cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.ID));
@@ -89,4 +124,21 @@ public class LoyaltyCard {
 
         return new LoyaltyCard(id, store, note, expiry, balance, balanceType, cardId, barcodeId, barcodeType, headerColor, starred);
     }
+
+    @Override
+    public int describeContents() {
+        return id;
+    }
+
+    public static final Creator<LoyaltyCard> CREATOR = new Creator<LoyaltyCard>() {
+        @Override
+        public LoyaltyCard createFromParcel(Parcel in) {
+            return new LoyaltyCard(in);
+        }
+
+        @Override
+        public LoyaltyCard[] newArray(int size) {
+            return new LoyaltyCard[size];
+        }
+    };
 }

app/src/main/java/protect/card_locker/LoyaltyCardEditActivity.java

@@ -78,6 +78,7 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
     private static final String TAG = "Catima";
 
     private final String STATE_TAB_INDEX = "savedTab";
+    private final String STATE_TEMP_CARD = "tempLoyaltyCard";
 
     private static final int ID_IMAGE_FRONT = 0;
     private static final int ID_IMAGE_BACK = 1;
@@ -185,10 +186,12 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
         super.onSaveInstanceState(savedInstanceState);
         tabs = findViewById(R.id.tabs);
         savedInstanceState.putInt(STATE_TAB_INDEX, tabs.getSelectedTabPosition());
+        savedInstanceState.putParcelable(STATE_TEMP_CARD, tempLoyaltyCard);
     }
 
     @Override
     public void onRestoreInstanceState(@NonNull Bundle savedInstanceState) {
+        tempLoyaltyCard = savedInstanceState.getParcelable(STATE_TEMP_CARD);
         super.onRestoreInstanceState(savedInstanceState);
         tabs = findViewById(R.id.tabs);
         tabs.selectTab(tabs.getTabAt(savedInstanceState.getInt(STATE_TAB_INDEX)));

app/src/test/java/protect/card_locker/LoyaltyCardViewActivityTest.java

@@ -344,7 +344,7 @@ public class LoyaltyCardViewActivityTest
     }
 
     @Test
-    public void noDataLossOnResume()
+    public void noDataLossOnResumeOrRotate()
     {
         registerMediaStoreIntentHandler();
 
@@ -421,6 +421,22 @@ public class LoyaltyCardViewActivityTest
 
             // Check if no changes lost
             checkAllFields(activity, newCard ? ViewMode.ADD_CARD : ViewMode.UPDATE_CARD, "correct store", "correct note", DateFormat.getDateInstance(DateFormat.LONG).format(expiryDate), "100.00", currency.getSymbol(), "12345678", "87654321", BarcodeFormat.QR_CODE.name(), frontBitmap, backBitmap);
+
+            // Rotate to landscape
+            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+            activity.recreate();
+            shadowOf(getMainLooper()).idle();
+
+            // Check if no changes lost
+            checkAllFields(activity, newCard ? ViewMode.ADD_CARD : ViewMode.UPDATE_CARD, "correct store", "correct note", DateFormat.getDateInstance(DateFormat.LONG).format(expiryDate), "100.00", currency.getSymbol(), "12345678", "87654321", BarcodeFormat.QR_CODE.name(), frontBitmap, backBitmap);
+
+            // Rotate to portrait
+            shadowOf(getMainLooper()).idle();
+            activity.recreate();
+            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+
+            // Check if no changes lost
+            checkAllFields(activity, newCard ? ViewMode.ADD_CARD : ViewMode.UPDATE_CARD, "correct store", "correct note", DateFormat.getDateInstance(DateFormat.LONG).format(expiryDate), "100.00", currency.getSymbol(), "12345678", "87654321", BarcodeFormat.QR_CODE.name(), frontBitmap, backBitmap);
         }
     }