@@ -85,10 +85,13 @@ export function clear(): void {
 }
 
 export function flush(): boolean {
+    ensureSharedPreferences();
+
     return sharedPreferences.edit().commit();
 }
 
 export function getAllKeys(): Array<string> {
+    ensureSharedPreferences();
     const mappedPreferences = sharedPreferences.getAll();
     const iterator = mappedPreferences.keySet().iterator();
     const result = [];
Original file line number	Diff line number	Diff line change
`@@ -85,10 +85,13 @@ export function clear(): void {`
`85`	`85`	`}`
`86`	`86`
`87`	`87`	`export function flush(): boolean {`
	`88`	`+ ensureSharedPreferences();`
	`89`	`+`
`88`	`90`	`return sharedPreferences.edit().commit();`
`89`	`91`	`}`
`90`	`92`
`91`	`93`	`export function getAllKeys(): Array<string> {`
	`94`	`+ ensureSharedPreferences();`
`92`	`95`	`const mappedPreferences = sharedPreferences.getAll();`
`93`	`96`	`const iterator = mappedPreferences.keySet().iterator();`
`94`	`97`	`const result = [];`