import org.chromium.webapk.lib.client.WebApkServiceConnectionManager; //导入依赖的package包/类
/**
 * Connect to a WebAPK's bound service, build a notification and hand it over to the WebAPK to
 * display. Handing over the notification makes the notification look like it originated from
 * the WebAPK - not Chrome - in the Android UI.
 */
public static void notifyNotification(String webApkPackage,
        final NotificationBuilderBase notificationBuilder, final String platformTag,
        final int platformID) {
    final ApiUseCallback connectionCallback = new ApiUseCallback() {
        @Override
        public void useApi(IWebApkApi api) throws RemoteException {
            notificationBuilder.setSmallIcon(api.getSmallIconId());
            api.notifyNotification(platformTag, platformID, notificationBuilder.build());
        }
    };

    WebApkServiceConnectionManager.getInstance().connect(
            ContextUtils.getApplicationContext(), webApkPackage, connectionCallback);
}
 

import org.chromium.webapk.lib.client.WebApkServiceConnectionManager; //导入依赖的package包/类
/**
 * Cancel notification previously shown by WebAPK.
 */
public static void cancelNotification(
        String webApkPackage, final String platformTag, final int platformID) {
    final ApiUseCallback connectionCallback = new ApiUseCallback() {
        @Override
        public void useApi(IWebApkApi api) throws RemoteException {
            api.cancelNotification(platformTag, platformID);
        }
    };
    WebApkServiceConnectionManager.getInstance().connect(
            ContextUtils.getApplicationContext(), webApkPackage, connectionCallback);
}
 

import org.chromium.webapk.lib.client.WebApkServiceConnectionManager; //导入依赖的package包/类
/**
 * Connect to a WebAPK's bound service, build a notification and hand it over to the WebAPK to
 * display. Handing over the notification makes the notification look like it originated from
 * the WebAPK - not Chrome - in the Android UI.
 */
public static void notifyNotification(final String webApkPackage,
        final NotificationBuilderBase notificationBuilder, final String platformTag,
        final int platformID) {
    final ApiUseCallback connectionCallback = new ApiUseCallback() {
        @Override
        public void useApi(IWebApkApi api) throws RemoteException {
            int smallIconId = api.getSmallIconId();
            // Prior to Android M, the small icon had to be from the resources of the app whose
            // NotificationManager is used in {@link NotificationManager#notify()}. On Android
            // M+, the small icon has to be from the resources of the app whose context is
            // passed to the {@link Notification.Builder()} constructor.
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                // Android M+ introduced
                // {@link Notification.Builder#setSmallIcon(Bitmap icon)}.
                if (!notificationBuilder.hasSmallIconBitmap()) {
                    notificationBuilder.setSmallIcon(
                            decodeImageResource(webApkPackage, smallIconId));
                }
            } else {
                notificationBuilder.setSmallIcon(smallIconId);
            }
            api.notifyNotification(platformTag, platformID, notificationBuilder.build());
        }
    };

    WebApkServiceConnectionManager.getInstance().connect(
            ContextUtils.getApplicationContext(), webApkPackage, connectionCallback);
}
 

import org.chromium.webapk.lib.client.WebApkServiceConnectionManager; //导入依赖的package包/类
@Override
public void onStop() {
    super.onStop();
    WebApkServiceConnectionManager.getInstance().disconnect(
            ContextUtils.getApplicationContext(), getWebApkPackageName());
}