private android.graphics.drawable.Drawable checkIconCache(string resourceUri)
{
android.graphics.drawable.Drawable.ConstantState cached = mOutsideDrawablesCache.
get(resourceUri);
if (cached == null)
{
return(null);
}
return(cached.newDrawable());
}
/// <summary>Gets the activity or application icon for an activity.</summary>
/// <remarks>
/// Gets the activity or application icon for an activity.
/// Uses the local icon cache for fast repeated lookups.
/// </remarks>
/// <param name="component">Name of an activity.</param>
/// <returns>
/// A drawable, or
/// <code>null</code>
/// if neither the activity nor the application
/// has an icon set.
/// </returns>
private android.graphics.drawable.Drawable getActivityIconWithCache(android.content.ComponentName
component)
{
// First check the icon cache
string componentIconKey = component.flattenToShortString();
// Using containsKey() since we also store null values.
if (mOutsideDrawablesCache.containsKey(componentIconKey))
{
android.graphics.drawable.Drawable.ConstantState cached = mOutsideDrawablesCache.
get(componentIconKey);
return(cached == null ? null : cached.newDrawable(mProviderContext.getResources()
));
}
// Then try the activity or application icon
android.graphics.drawable.Drawable drawable = getActivityIcon(component);
// Stick it in the cache so we don't do this lookup again.
android.graphics.drawable.Drawable.ConstantState toCache = drawable == null ? null
: drawable.getConstantState();
mOutsideDrawablesCache.put(componentIconKey, toCache);
return(drawable);
}
