CP-5843: Fix App Crash on Connected Sites (#739)

android/app/src/main/java/com/avaxwallet/MainApplication.java

@@ -2,6 +2,7 @@
 
 import android.app.Application;
 import android.content.Context;
+import android.database.CursorWindow;
 
 import com.facebook.react.PackageList;
 import com.facebook.react.ReactApplication;
@@ -13,6 +14,7 @@
 import com.facebook.react.modules.systeminfo.AndroidInfoHelpers;
 import com.facebook.soloader.SoLoader;
 
+import java.lang.reflect.Field;
 import java.util.List;
 
 import io.csie.kudo.reactnative.v8.executor.V8ExecutorFactory;
@@ -61,6 +63,22 @@ public ReactNativeHost getReactNativeHost() {
     @Override
     public void onCreate() {
         super.onCreate();
+
+        // Temp workaround for data not getting persisted on Android
+        // https://github.com/rt2zz/redux-persist/issues/199
+        // https://github.com/rt2zz/redux-persist/issues/960
+        // Basically, retrieving data from AsyncStorage is limited by a size of a WindowCursor
+        // which is a buffer used to read data from SQLite (what AsyncStorage uses)
+        // Currently it's size is around 2 MB. This means that the single item read at one time cannot be larger than 2 MB.
+        // Here we are increasing it to 10 MB to get around this issue
+        try {
+            Field field = CursorWindow.class.getDeclaredField("sCursorWindowSize");
+            field.setAccessible(true);
+            field.set(null, 10 * 1024 * 1024); // 10MB
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
         // If you opted-in for the New Architecture, we enable the TurboModule system
         ReactFeatureFlags.useTurboModules = BuildConfig.IS_NEW_ARCHITECTURE_ENABLED;
         SoLoader.init(this, /* native exopackage */ false);

android/gradle.properties

@@ -44,4 +44,8 @@ reactNativeArchitectures=armeabi-v7a,arm64-v8a,x86,x86_64
 newArchEnabled=false
 
 # https://github.com/software-mansion/react-native-reanimated/issues/3292
-android.disableAutomaticComponentCreation=true
+android.disableAutomaticComponentCreation=true
+
+# Async Storage has a 6 MB size limit on Android by default
+# here we increase it to 10 MB to accommodate our app 
+AsyncStorage_db_size_in_MB=10

app/screens/rpc/ConnectedDapps/ConnectedDapps.tsx

@@ -28,6 +28,8 @@ import { useDappConnectionV1 } from 'hooks/useDappConnectionV1'
 import { useDeeplink } from 'contexts/DeeplinkContext/DeeplinkContext'
 import { DeepLinkOrigin } from 'contexts/DeeplinkContext/types'
 import { WalletConnectVersions } from 'store/walletConnectV2'
+import { SessionTypes } from '@walletconnect/types'
+import Logger from 'utils/Logger'
 import { Dapp } from './types'
 import { DappItem } from './DappItem'
 interface Props {
@@ -51,8 +53,8 @@ const ConnectedDapps: FC<Props> = ({ goBack }) => {
   const { killSessions: killSessionsV1 } = useDappConnectionV1()
   const { killSessions: killSessionsV2 } = useDappConnectionV2()
   const approvedDappsV1 = useSelector(selectApprovedDApps)
-  const [approvedDappsV2, setApprovedDappsV2] = useState(
-    WalletConnectService.getSessions()
+  const [approvedDappsV2, setApprovedDappsV2] = useState<SessionTypes.Struct[]>(
+    []
   )
 
   const allApprovedDapps = [
@@ -69,8 +71,21 @@ const ConnectedDapps: FC<Props> = ({ goBack }) => {
   ]
 
   useEffect(() => {
+    const getSessions = () => {
+      try {
+        const sessions = WalletConnectService.getSessions()
+        setApprovedDappsV2(sessions)
+      } catch (err) {
+        Logger.error('failed to get sessions', err)
+      }
+    }
+
+    // immediately fetch sessions onMounting
+    // then do it periodically while on this screen
+    getSessions()
+
     const id = setInterval(() => {
-      setApprovedDappsV2(WalletConnectService.getSessions())
+      getSessions()
     }, GET_DAPPS_V2_INTERVAL)
     return () => clearInterval(id)
   }, [])