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BangleApps
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Gordon Williams 2020-02-07 13:47:59 +00:00
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@ -21,6 +21,7 @@ easily distinguish between file types, we use the following:
* `*stuff` is an image * `*stuff` is an image
* `-stuff` is JS code * `-stuff` is JS code
* `=stuff` is JS code for stuff that is run at boot time - eg. handling settings or creating widgets on the clock screen * `=stuff` is JS code for stuff that is run at boot time - eg. handling settings or creating widgets on the clock screen
* `@stuff` is used for JSON settings for an app
## Developing your own app ## Developing your own app
@ -215,6 +216,8 @@ about the app.
## Coding hints ## Coding hints
- Need to save state? Use the `E.on('kill',...)` event to save JSON to a file called `@7chname`, then load it at startup.
- use `g.setFont(.., size)` to multiply the font size, eg ("6x8",3) : "18x24" - use `g.setFont(.., size)` to multiply the font size, eg ("6x8",3) : "18x24"
- use `g.drawString(text,x,y,true)` to draw with background color to overwrite existing text - use `g.drawString(text,x,y,true)` to draw with background color to overwrite existing text
@ -227,7 +230,7 @@ about the app.
- using `g.setLCDBrightness()` can save you power during long periods with lcd on - using `g.setLCDBrightness()` can save you power during long periods with lcd on
- chaining graphics methodes, eg `g.setColor(0xFD20).setFontAlign(0,0).setfont("6x8",3)` - chaining graphics methods, eg `g.setColor(0xFD20).setFontAlign(0,0).setfont("6x8",3)`
### Graphic areas ### Graphic areas
@ -286,7 +289,7 @@ You can use `g.setColor(r,g,b)` OR `g.setColor(16bitnumber)` - some common 16 bi
The [`testing`](testing) folder contains snippets of code that might be useful for your apps. The [`testing`](testing) folder contains snippets of code that might be useful for your apps.
* `testing/colors.js` - 16 bit colors as name value pairs * `testing/colors.js` - 16 bit colors as name value pairs
* `testing/gpstrack.js` - code to store a GPS track in Bagle.js storage and output it back to the console * `testing/gpstrack.js` - code to store a GPS track in Bangle.js storage and output it back to the console
* `testing/map` - code for splitting an image into map tiles and then displaying them * `testing/map` - code for splitting an image into map tiles and then displaying them
## Credits ## Credits