@nativescript/core
Version:
A JavaScript library providing an easy to use api for interacting with iOS and Android platform APIs.
55 lines • 1.81 kB
JavaScript
import { Application } from '../application';
import { FontScaleCategory, getClosestValidFontScale } from './font-scale-common';
export * from './font-scale-common';
let currentFontScale = null;
function fontScaleChanged(origFontScale) {
const oldValue = currentFontScale;
currentFontScale = getClosestValidFontScale(origFontScale);
if (oldValue !== currentFontScale) {
Application.notify({
eventName: Application.fontScaleChangedEvent,
object: Application,
newValue: currentFontScale,
});
}
}
export function getCurrentFontScale() {
setupConfigListener();
return currentFontScale;
}
export function getFontScaleCategory() {
return FontScaleCategory.Medium;
}
function useAndroidFontScale() {
fontScaleChanged(Number(Application.android.context.getResources().getConfiguration().fontScale));
}
let configChangedCallback;
function setupConfigListener() {
if (configChangedCallback) {
return;
}
Application.off(Application.launchEvent, setupConfigListener);
const context = Application.android?.context;
if (!context) {
Application.on(Application.launchEvent, setupConfigListener);
return;
}
useAndroidFontScale();
configChangedCallback = new android.content.ComponentCallbacks2({
onLowMemory() {
// Dummy
},
onTrimMemory() {
// Dummy
},
onConfigurationChanged(newConfig) {
fontScaleChanged(Number(newConfig.fontScale));
},
});
context.registerComponentCallbacks(configChangedCallback);
Application.on(Application.resumeEvent, useAndroidFontScale);
}
export function initAccessibilityFontScale() {
setupConfigListener();
}
//# sourceMappingURL=font-scale.android.js.map