diff --git a/tns-core-modules/application-settings/application-settings.android.ts b/tns-core-modules/application-settings/application-settings.android.ts
index c042208c5..aaa09074e 100644
--- a/tns-core-modules/application-settings/application-settings.android.ts
+++ b/tns-core-modules/application-settings/application-settings.android.ts
@@ -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 = [];