O'Reilly logo

Sencha Touch Cookbook - Second Edition by Ajit Kumar

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Storing your images offline

In the previous recipe, we talked about storing data offline. Images are used extensively in applications and enhance the overall presentation. Typically, an image is accessed as a URL. These URLs will not be accessible when the device or the browser goes offline. To some extent, this can be managed by using the image-caching feature of the browser and by giving it a long period of validity before it expires. But this may not be honored all the time by the browsers. We need a better mechanism to contain the images that is under the complete control of our application. In this recipe, we will see what it takes to persist the images locally and use them in the application.

For the demonstration, we will enhance the application ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required