Example usage for android.support.v4.media MediaBrowserCompat unsubscribe

Introduction

In this page you can find the example usage for android.support.v4.media MediaBrowserCompat unsubscribe.

Prototype

public void unsubscribe(@NonNull String parentId, @NonNull SubscriptionCallback callback) 

Source Link

Document

Unsubscribes for changes to the children of the specified media id.

Usage

From source file:androidx.media.MediaBrowser2.java

/**
 * Unsubscribe for changes to the children of the parent, which was previously subscribed with
 * {@link #subscribe(String, Bundle)}./*from w w  w .ja  v a2 s .  co m*/
 * <p>
 * This unsubscribes all previous subscription with the parent id, regardless of the extra
 * that was previously sent to the library service.
 *
 * @param parentId parent id
 */
public void unsubscribe(@NonNull String parentId) {
    if (parentId == null) {
        throw new IllegalArgumentException("parentId shouldn't be null");
    }
    // Note: don't use MediaBrowserCompat#unsubscribe(String) here, to keep the subscription
    // callback for getChildren.
    synchronized (mLock) {
        List<SubscribeCallback> list = mSubscribeCallbacks.get(parentId);
        if (list == null) {
            return;
        }
        MediaBrowserCompat browser = getBrowserCompat();
        for (int i = 0; i < list.size(); i++) {
            browser.unsubscribe(parentId, list.get(i));
        }
    }
}

---