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Quaestio background

Expertus feedback ostendit accessibilitatem compendiarias repugnantes esse cum accessibilitate iconum in uncinis.

Accessibilis brevis fluitans fenestra

1. Fenestra fluitans in systemui
frameworksbasepackagesSystemUIsrccomandroidsystemuiaccessibilityfloatingmenuAccessibilityTargetAdapter.java
Quam impetro iconem

final AccessibilityTarget target = mTargets.get(position);
holder.mIconView.setBackground(target.getIcon());
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frameworksbasepackagesSystemUIsrccomandroidsystemuiaccessibilityfloatingmenuMenuInfoRepository.java

void loadMenuTargetFeatures(OnInfoReady<List<AccessibilityTarget>> callback) {
    callback.onReady(getTargets(mContext, ACCESSIBILITY_BUTTON));
}
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2. Data fonte
frameworksbasecorejavacomandroidinternalaccessibilitydialogAccessibilityTargetHelper.java

public static List<AccessibilityTarget> getTargets(Context context,@ShortcutType int shortcutType)

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AccessibilityTarget Icon notitia ex
frameworksbasecorejavacomandroidinternalaccessibilitydialogAccessibilityServiceTarget.java

AccessibilityServiceTarget(Context context, @ShortcutType int shortcutType,
        @AccessibilityFragmentType int fragmentType,
        @NonNull AccessibilityServiceInfo serviceInfo) {
    super(context,
            shortcutType,
            fragmentType,
            isShortcutContained(context, shortcutType,
                    serviceInfo.getComponentName().flattenToString()),
            serviceInfo.getComponentName().flattenToString(),
            serviceInfo.getResolveInfo().serviceInfo.applicationInfo.uid,
            serviceInfo.getResolveInfo().loadLabel(context.getPackageManager()),
            serviceInfo.getResolveInfo().loadIcon(context.getPackageManager()),
            convertToKey(convertToUserType(shortcutType)));
}
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Perspici potest imaginem originalis servitii/activitatis obice sustinentis directe in systemui exhiberi.

Accessibility menu in setting

SettingssrccomandroidsettingsaccessibilityRestrictedPreferenceHelper.java

public List<RestrictedPreference> createAccessibilityServicePreferenceList(
 List<AccessibilityServiceInfo> installedServices) {
    Drawable icon = resolveInfo.loadIcon(mPm);
}
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Modus comparandi in constituendo idem est ac in systemUI. Omnia per servitium's resolveInfo.loadIcon(mPm);

differentia;
In occasu, Drawable in AdaptivumIcon convertitur ac deinde ad praelationem transiit. Anguli igitur rotundae exhibentur.

private RestrictedPreference createRestrictedPreference(){
	preference.setIcon(Utils.getAdaptiveIcon(mContext, icon, Color.WHITE));
}
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Facere demo ad ostentationem in accessibility

Describitur per android.accessibilityservice.AccessibilityService et postea automatice systema onusta sunt.
AndroidManifest.xml

        <service
            android:name=".MyAccessibilityService"
            android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE"
            android:enabled="true"
            android:exported="false">
            <intent-filter>
                <action
                    android:name="android.accessibilityservice.AccessibilityService" />
            </intent-filter>
            <meta-data
                android:name="android.accessibilityservice"
                android:resource="@xml/accessibility_service_config" />
        </service>
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res/xml/accessibility_service_config.xml

<?xml version="1.0" encoding="utf-8"?>
<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
    android:description="@string/setting_accessibility_tip"
    android:accessibilityEventTypes="typeWindowStateChanged"
    android:packageNames="com.whatsapp"
    android:accessibilityFeedbackType="feedbackGeneric"
    android:notificationTimeout="100"
    android:accessibilityFlags="flagDefault"
    android:canRetrieveWindowContent="true"/>
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