brazerzkidaibox.blogg.se - Letterspace android

#Letterspace android android#
#Letterspace android code#

Drawing commands - to indicate to the canvas what to draw.Canvas - to run the drawing commands on.A bitmap or a view - to hold the pixels where the canvas will be drawn.To draw onto a canvas in Android, you will need four things: It is up to you to ensure that your items are laid out correctly (Alternatively, you might want to use some of the built-in layout mechanisms for this - such as LinearLayout). The last draw command will be the topmost item drawn onto your canvas. This will ensure that your drawing looks consistent across devices with different pixel densities.Ĭanvas draw commands will draw over previously drawn items. This means you need to translate any dp values into px before calling any canvas operations. When working with the Canvas, you are working with px and not dp, so any methods such as translating, or resizing will be done in pixel sizes. The y axis is positive downwards, and x axis positive towards the right.Īll elements drawn on a canvas are placed relative to the point.

#Letterspace android android#

The coordinate system of the Android canvas starts in the top left corner, where represents that point.

#Letterspace android code#

It is useful to know that SKIA is used in the underlying code for Android, so when you get stuck trying to understand how a certain API works, you can look at the source for SKIA to gain a deeper understanding. Tip: Check out the SKIA source code for a deeper understanding of the Canvas implementation. Once you understand how the Canvas works on Android, the same drawing concepts apply to many other different platforms. SKIA is used on platforms such as Google Chrome, Firefox OS, Flutter, Fuschia etc. The SKCanvas comes from SKIA, which is a 2D Graphics Library that is used on many different platforms. The Canvas class is not a new concept, this class is actually wrapping a SKCanvas under the hood. It is basically, an empty space to draw onto. The saying “a blank canvas” is very similar to what a Canvas object is on Android.

What is a Canvas?Ĭanvas is a class in Android that performs 2D drawing of different objects onto the screen. Imagine being able to draw anything* your heart desires just with some basic shapes, paths and bitmaps? Well, the Android Canvas gives you just that ability. It was made using Create React Native App so it should be pretty easy to get up and running.Learn the basics of drawing with the Android Canvas Classĭiving into using the Android Canvas class can unlock magical super powers you never knew you had 🤯. If you’re interested in an example application using this code, check out this repository on Github. Hopefully in the near future letterSpacing will just work out of the box on both platforms, but until then we have a workable solution. Pretty straightforward, but how does it look on a device?Īnd on Android we’re looking the same as on iOS!īam!🚨 🎆🚨 Now we have an excellent and consistent cross platform experience!

viewStyle to style up the View that wraps the Letter components.

textStyle to pass through to our Letter component.

spacing to pass through to the Letter components (unless it is the last letter, then we always pass 0 to prevent any underlines from going too far).

children which is just a string to be split into letters.

This component (naturally) accepts a few things as well. For clarity and a lack of creativity, I’ve called it TextWithLetterSpacing. Now we just need a component to pull all of our letters together.

The children prop, which in this case would always be a single letter.

A general textStyle prop to do any additional styling ( fontSize, fontFamily, etc).

It accepts a spacing prop to tell it how much padding to apply.

Our Letter component does a few things here. To work around this it’s really just a matter of realizing that letterSpacing is essentially just paddingRight for letters. On Android the same component looks not so great. To avoid leaving all of those wonderful Android users out in the rain while a bus drives through a puddle and splashes them (this is exactly what a world without letterSpacing is like) we’ll have to get a little creative 💡.įirst, let’s see just how different letterSpacing ends up being on iOS and Android (this component would boil down to something like Hello World). You can do that, but the trick is that (at the time of this writing at least) it will only work on iOS 😖. Well, if you’re working with React Native you can just add some letterSpacing to your Text styles and call it a day.

Maybe it’s the font or maybe there’s just some awkward space, but whatever the reason sometimes you just have to let the letters in your app b r e a t h e. Sometimes you’re working on a mobile app and things will just feel a little too tight.