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Secure Storage - Troubleshooting

General troubleshooting​

To verify the plugin is correctly installed, there are some test methods available on the plugin:

// Verify that both the JavaScript and native part of this plugin
// are installed in your Ionic app
await this.sqlite.echoTest();

// Verify basic database access operations including opening a database
// Prints "OPEN database: OK"
await this.sqlite.selfTest();

Database location or iosDatabaseLocation setting is now mandatory in openDatabase call.​

This message indicates that location or iosDatabaseLocation was not provided in the options for create or openDatabase, which is now required. A value of 'default' is appropriate for most use cases.

Unable to open database file​

Symptom: create or openDatabase fails with a message indicating the engine was unable to open the database file or that the database file is not a valid database.

Diagnosis: The usual culprit here is that an unencrypted database was created first, and then a key was specified later (to enable encryption), but by then the original database already exists but can't be read since it's not encrypted.

Solution: The solution is to change the name of the database file whenever switching between a database used with and without encryption. Additionally, uninstalling the app will delete the database.

App is rejected for storing data in iCloud​

The location option in create can be used to specify where the database file is stored on device. The value of default will store the database file in a non-iCloud backed up location. This is recommended for most apps, though iCloud backup could be legitimate for some use cases but that is app-specific.

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