chore: sync upstream PR ionic-team#7638 from @robingenz

Author: Capacitor+ Bot

android/capacitor/src/main/java/com/getcapacitor/PluginConfig.java

@@ -65,6 +65,17 @@ public int getInt(String configKey, int defaultValue) {
         return JSONUtils.getInt(config, configKey, defaultValue);
     }
 
+    /**
+     * Get a double value for a plugin in the Capacitor config.
+     *
+     * @param configKey The key of the value to retrieve
+     * @param defaultValue A default value to return if the key does not exist in the config
+     * @return The value from the config, if key exists. Default value returned if not
+     */
+    public double getDouble(String configKey, double defaultValue) {
+        return JSONUtils.getDouble(config, configKey, defaultValue);
+    }
+
     /**
      * Get a string array value for a plugin in the Capacitor config.
      *

android/capacitor/src/main/java/com/getcapacitor/util/JSONUtils.java

@@ -75,6 +75,26 @@ public static int getInt(JSONObject jsonObject, String key, int defaultValue) {
         return defaultValue;
     }
 
+    /**
+     * Get a double value from the given JSON object.
+     *
+     * @param jsonObject A JSON object to search
+     * @param key A key to fetch from the JSON object
+     * @param defaultValue A default value to return if the key cannot be found
+     * @return The value at the given key in the JSON object, or the default value
+     */
+    public static double getDouble(JSONObject jsonObject, String key, double defaultValue) {
+        String k = getDeepestKey(key);
+        try {
+            JSONObject o = getDeepestObject(jsonObject, key);
+            return o.getDouble(k);
+        } catch (JSONException ignore) {
+            // value was not found
+        }
+
+        return defaultValue;
+    }
+
     /**
      * Get a JSON object value from the given JSON object.
      *

ios/Capacitor/Capacitor/PluginConfig.swift

@@ -30,6 +30,13 @@ import Foundation
         return defaultValue
     }
 
+    @objc public func getDouble(_ configKey: String, _ defaultValue: Double) -> Double {
+        if let val = (self.config)[keyPath: KeyPath(configKey)] as? Double {
+            return val
+        }
+        return defaultValue
+    }
+
     public func getArray(_ configKey: String, _ defaultValue: JSArray? = nil) -> JSArray? {
         if let val = (self.config)[keyPath: KeyPath(configKey)] as? JSArray {
             return val