SkinCompatDrawableManager.java 文件源码

public void onConfigurationChanged(@NonNull Context context) {
    synchronized (mDrawableCacheLock) {
        LongSparseArray<WeakReference<ConstantState>> cache = mDrawableCaches.get(context);
        if (cache != null) {
            // Crude, but we'll just clear the cache when the configuration changes
            cache.clear();
        }
    }
}