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Diffstat (limited to 'samples/browseable/NetworkConnect/src/com.example.android.networkconnect/DownloadCallback.java')
-rw-r--r-- | samples/browseable/NetworkConnect/src/com.example.android.networkconnect/DownloadCallback.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/samples/browseable/NetworkConnect/src/com.example.android.networkconnect/DownloadCallback.java b/samples/browseable/NetworkConnect/src/com.example.android.networkconnect/DownloadCallback.java new file mode 100644 index 000000000..b553e8500 --- /dev/null +++ b/samples/browseable/NetworkConnect/src/com.example.android.networkconnect/DownloadCallback.java @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.networkconnect; + +import android.net.NetworkInfo; +import android.support.annotation.IntDef; + +/** + * Sample interface containing bare minimum methods needed for an asynchronous task + * to update the UI Context. + */ + +public interface DownloadCallback { + interface Progress { + int ERROR = -1; + int CONNECT_SUCCESS = 0; + int GET_INPUT_STREAM_SUCCESS = 1; + int PROCESS_INPUT_STREAM_IN_PROGRESS = 2; + int PROCESS_INPUT_STREAM_SUCCESS = 3; + } + + /** + * Indicates that the callback handler needs to update its appearance or information based on + * the result of the task. Expected to be called from the main thread. + */ + void updateFromDownload(String result); + + /** + * Get the device's active network status in the form of a NetworkInfo object. + */ + NetworkInfo getActiveNetworkInfo(); + + /** + * Indicate to callback handler any progress update. + * @param progressCode must be one of the constants defined in DownloadCallback.Progress. + * @param percentComplete must be 0-100. + */ + void onProgressUpdate(int progressCode, int percentComplete); + + /** + * Indicates that the download operation has finished. This method is called even if the + * download hasn't completed successfully. + */ + void finishDownloading(); + +} |