panajournal.blogg.se - User png free

You might not want to use in some cases, since the implementation is basic. To handle this use case, you can use the component, which has the same props as, and add whatever children to it you would like to layer on top of it.

Background Image via Nesting Ī common feature request from developers familiar with the web is background-image. Feel free to use it as your data structure to store more information about your image. On the user side, this lets you annotate the object with useful attributes such as the dimension of the image in order to compute the size it's going to be displayed in. via flex), you may need to manually set and transparently support spriting on all the existing call sites. If you need to scale the image dynamically (i.e. Note that image sources required this way include size (width, height) info for the Image. In order for this to work, the image name in require has to be known statically.

Images can be distributed via npm packages.

The bundler knows the image dimensions, no need to duplicate it in the code.

Adding and changing images doesn't require app recompilation, you can refresh the simulator as you normally do.

Only the images that are actually used will be packaged into your app.

you don't have to worry about name collisions.

Images live in the same folder as your JavaScript code.

On Windows, you might need to restart the bundler if you add new images to your project. If there is no image matching the screen density, the closest best option will be selected. For example,, will be used on an iPhone 7, while will be used on an iPhone 7 Plus or a Nexus 5. the bundler will bundle and serve the image corresponding to device's screen density.