8a66f8cbc0
developers/samples/android commit: 6f3586bc08b96d14d8f1315f4839ac59aa39798c Change-Id: I08c9af2d58f1b3314eba807048dc05175a58e164
61 lines
1.9 KiB
Java
61 lines
1.9 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.networkconnect;
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import android.net.NetworkInfo;
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import android.support.annotation.IntDef;
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/**
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* Sample interface containing bare minimum methods needed for an asynchronous task
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* to update the UI Context.
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*/
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public interface DownloadCallback {
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interface Progress {
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int ERROR = -1;
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int CONNECT_SUCCESS = 0;
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int GET_INPUT_STREAM_SUCCESS = 1;
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int PROCESS_INPUT_STREAM_IN_PROGRESS = 2;
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int PROCESS_INPUT_STREAM_SUCCESS = 3;
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}
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/**
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* Indicates that the callback handler needs to update its appearance or information based on
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* the result of the task. Expected to be called from the main thread.
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*/
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void updateFromDownload(String result);
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/**
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* Get the device's active network status in the form of a NetworkInfo object.
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*/
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NetworkInfo getActiveNetworkInfo();
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/**
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* Indicate to callback handler any progress update.
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* @param progressCode must be one of the constants defined in DownloadCallback.Progress.
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* @param percentComplete must be 0-100.
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*/
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void onProgressUpdate(int progressCode, int percentComplete);
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/**
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* Indicates that the download operation has finished. This method is called even if the
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* download hasn't completed successfully.
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*/
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void finishDownloading();
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}
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