Fix form keyboard issues and sticky footers in agent screens

src/services/storage/secureStorage.ts

@@ -0,0 +1,49 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+import * as Keychain from 'react-native-keychain';
+
+import type { AuthTokens } from '../../types/app';
+
+const BIOMETRIC_KEY = 'bankcbs.biometricEnabled';
+const SESSION_SERVICE = 'com.bankcbs.mobile.session';
+
+export const secureStorage = {
+  async saveSession(tokens: AuthTokens) {
+    await Keychain.setGenericPassword('session', JSON.stringify(tokens), {
+      service: SESSION_SERVICE,
+      accessible: Keychain.ACCESSIBLE.WHEN_UNLOCKED_THIS_DEVICE_ONLY,
+      securityLevel: Keychain.SECURITY_LEVEL.SECURE_SOFTWARE,
+    });
+  },
+
+  async getSession(): Promise<AuthTokens | null> {
+    const credentials = await Keychain.getGenericPassword({
+      service: SESSION_SERVICE,
+    });
+
+    if (!credentials) {
+      return null;
+    }
+
+    return JSON.parse(credentials.password) as AuthTokens;
+  },
+
+  async getAccessToken() {
+    const session = await this.getSession();
+    return session?.accessToken ?? null;
+  },
+
+  async clearSession() {
+    await Keychain.resetGenericPassword({
+      service: SESSION_SERVICE,
+    });
+  },
+
+  async setBiometricEnabled(value: boolean) {
+    await AsyncStorage.setItem(BIOMETRIC_KEY, JSON.stringify(value));
+  },
+
+  async getBiometricEnabled() {
+    const value = await AsyncStorage.getItem(BIOMETRIC_KEY);
+    return value ? JSON.parse(value) : false;
+  },
+};