Merge pull request #474 from Iterable/jay/MOB-4666-in-apps-config-memory

[MOB-4666] in apps config memory

Author: “Akshay

iterableapi/src/main/java/com/iterable/iterableapi/IterableApi.java

@@ -499,8 +499,11 @@ public static void initialize(@NonNull Context context, @NonNull String apiKey,
         IterableActivityMonitor.getInstance().addCallback(sharedInstance.activityMonitorListener);
 
         if (sharedInstance.inAppManager == null) {
-            sharedInstance.inAppManager = new IterableInAppManager(sharedInstance, sharedInstance.config.inAppHandler,
-                    sharedInstance.config.inAppDisplayInterval);
+            sharedInstance.inAppManager = new IterableInAppManager(
+                    sharedInstance,
+                    sharedInstance.config.inAppHandler,
+                    sharedInstance.config.inAppDisplayInterval,
+                    sharedInstance.config.useInMemoryStorageForInApps);
         }
 
         loadLastSavedConfiguration(context);

iterableapi/src/main/java/com/iterable/iterableapi/IterableConfig.java

@@ -71,6 +71,12 @@ public class IterableConfig {
      */
     final String[] allowedProtocols;
 
+    /**
+     * This controls whether the in-app content should be saved to disk, or only kept in memory.
+     * By default, the SDK will save in-apps to disk.
+     */
+    final boolean useInMemoryStorageForInApps;
+
     private IterableConfig(Builder builder) {
         pushIntegrationName = builder.pushIntegrationName;
         urlHandler = builder.urlHandler;
@@ -83,6 +89,7 @@ private IterableConfig(Builder builder) {
         authHandler = builder.authHandler;
         expiringAuthTokenRefreshPeriod = builder.expiringAuthTokenRefreshPeriod;
         allowedProtocols = builder.allowedProtocols;
+        useInMemoryStorageForInApps = builder.useInMemoryStorageForInApps;
     }
 
     public static class Builder {
@@ -97,6 +104,8 @@ public static class Builder {
         private IterableAuthHandler authHandler;
         private long expiringAuthTokenRefreshPeriod = 60000L;
         private String[] allowedProtocols = new String[0];
+        private boolean useInMemoryStorageForInApps = false;
+
         public Builder() {}
 
         /**
@@ -217,6 +226,17 @@ public Builder setAllowedProtocols(@NonNull String[] allowedProtocols) {
             return this;
         }
 
+        /**
+         * Set whether the SDK should store in-apps only in memory, or in file storage
+         * @param useInMemoryStorageForInApps `true` will have in-apps be only in memory
+         */
+
+        @NonNull
+        public Builder setUseInMemoryStorageForInApps(boolean useInMemoryStorageForInApps) {
+            this.useInMemoryStorageForInApps = useInMemoryStorageForInApps;
+            return this;
+        }
+
         @NonNull
         public IterableConfig build() {
             return new IterableConfig(this);

iterableapi/src/main/java/com/iterable/iterableapi/IterableInAppManager.java

@@ -17,6 +17,7 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.io.File;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -50,11 +51,11 @@ public interface Listener {
     private long lastInAppShown = 0;
     private boolean autoDisplayPaused = false;
 
-    IterableInAppManager(IterableApi iterableApi, IterableInAppHandler handler, double inAppDisplayInterval) {
+    IterableInAppManager(IterableApi iterableApi, IterableInAppHandler handler, double inAppDisplayInterval, boolean useInMemoryStorageForInApps) {
         this(iterableApi,
                 handler,
                 inAppDisplayInterval,
-                new IterableInAppFileStorage(iterableApi.getMainActivityContext()),
+                IterableInAppManager.getInAppStorageModel(iterableApi, useInMemoryStorageForInApps),
                 IterableActivityMonitor.getInstance(),
                 new IterableInAppDisplayer(IterableActivityMonitor.getInstance()));
     }
@@ -435,6 +436,26 @@ private void handleIterableCustomAction(String actionName, IterableInAppMessage
         }
     }
 
+    private static IterableInAppStorage getInAppStorageModel(IterableApi iterableApi, boolean useInMemoryForInAppStorage) {
+        if (useInMemoryForInAppStorage) {
+            checkAndDeleteUnusedInAppFileStorage(iterableApi.getMainActivityContext());
+
+            return new IterableInAppMemoryStorage();
+        } else {
+            return new IterableInAppFileStorage(iterableApi.getMainActivityContext());
+        }
+    }
+
+    private static void checkAndDeleteUnusedInAppFileStorage(Context context) {
+        File sdkFilesDirectory = IterableUtil.getSDKFilesDirectory(context);
+        File inAppContentFolder = IterableUtil.getDirectory(sdkFilesDirectory, "IterableInAppFileStorage");
+        File inAppBlob = new File(inAppContentFolder, "itbl_inapp.json");
+
+        if (inAppBlob.exists()) {
+            inAppBlob.delete();
+        }
+    }
+
     @Override
     public void onSwitchToForeground() {
         if (IterableUtil.currentTimeMillis() - lastSyncTime > MOVE_TO_FOREGROUND_SYNC_INTERVAL_MS) {