例子编写，bug fix
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AriaLyy
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/*
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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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.arialyy.simple.download;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.Handler;
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import android.os.Message;
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import android.support.v7.widget.Toolbar;
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import android.view.View;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.TextView;
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import android.widget.Toast;
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import butterknife.Bind;
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import com.arialyy.aria.core.download.DownloadTarget;
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import com.arialyy.aria.core.Aria;
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import com.arialyy.aria.core.download.DownloadEntity;
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import com.arialyy.aria.core.download.DownloadTask;
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import com.arialyy.aria.util.CommonUtil;
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import com.arialyy.frame.util.show.L;
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import com.arialyy.simple.R;
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import com.arialyy.simple.base.BaseActivity;
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import com.arialyy.simple.databinding.ActivitySingleBinding;
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import com.arialyy.simple.widget.HorizontalProgressBarWithNumber;
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public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
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public static final int DOWNLOAD_PRE = 0x01;
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public static final int DOWNLOAD_STOP = 0x02;
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public static final int DOWNLOAD_FAILE = 0x03;
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public static final int DOWNLOAD_CANCEL = 0x04;
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public static final int DOWNLOAD_RESUME = 0x05;
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public static final int DOWNLOAD_COMPLETE = 0x06;
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public static final int DOWNLOAD_RUNNING = 0x07;
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private static final String DOWNLOAD_URL =
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//"http://kotlinlang.org/docs/kotlin-docs.pdf";
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"https://atom-installer.github.com/v1.13.0/AtomSetup.exe?s=1484074138&ext=.exe";
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@Bind(R.id.progressBar) HorizontalProgressBarWithNumber mPb;
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@Bind(R.id.start) Button mStart;
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@Bind(R.id.stop) Button mStop;
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@Bind(R.id.cancel) Button mCancel;
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@Bind(R.id.size) TextView mSize;
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@Bind(R.id.toolbar) Toolbar toolbar;
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@Bind(R.id.speed) TextView mSpeed;
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@Bind(R.id.img) ImageView mImg;
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private DownloadEntity mEntity;
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private BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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if (action.equals(Aria.ACTION_START)) {
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L.d("START");
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}
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}
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};
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private Handler mUpdateHandler = new Handler() {
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@Override public void handleMessage(Message msg) {
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super.handleMessage(msg);
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switch (msg.what) {
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case DOWNLOAD_RUNNING:
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DownloadTask task = (DownloadTask) msg.obj;
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long current = task.getCurrentProgress();
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long len = task.getFileSize();
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if (len == 0) {
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mPb.setProgress(0);
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} else {
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mPb.setProgress((int) ((current * 100) / len));
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}
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mSpeed.setText(CommonUtil.formatFileSize(task.getSpeed()) + "/s");
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break;
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case DOWNLOAD_PRE:
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mSize.setText(CommonUtil.formatFileSize((Long) msg.obj));
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setBtState(false);
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//mStart.setText("暂停");
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break;
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case DOWNLOAD_FAILE:
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Toast.makeText(SingleTaskActivity.this, "下载失败", Toast.LENGTH_SHORT).show();
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setBtState(true);
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break;
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case DOWNLOAD_STOP:
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Toast.makeText(SingleTaskActivity.this, "暂停下载", Toast.LENGTH_SHORT).show();
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mStart.setText("恢复");
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setBtState(true);
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break;
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case DOWNLOAD_CANCEL:
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mPb.setProgress(0);
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Toast.makeText(SingleTaskActivity.this, "取消下载", Toast.LENGTH_SHORT).show();
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mStart.setText("开始");
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setBtState(true);
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break;
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case DOWNLOAD_RESUME:
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//Toast.makeText(SingleTaskActivity.this,
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// "恢复下载，恢复位置 ==> " + CommonUtil.formatFileSize((Long) msg.obj), Toast.LENGTH_SHORT)
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// .show();
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mStart.setText("暂停");
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setBtState(false);
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break;
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case DOWNLOAD_COMPLETE:
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mPb.setProgress(100);
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Toast.makeText(SingleTaskActivity.this, "下载完成", Toast.LENGTH_SHORT).show();
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mStart.setText("重新开始？");
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mCancel.setEnabled(false);
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setBtState(true);
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break;
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}
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}
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};
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/**
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* 设置start 和 stop 按钮状态
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*/
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private void setBtState(boolean state) {
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mStart.setEnabled(state);
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mStop.setEnabled(!state);
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}
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@Override protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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init();
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}
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@Override protected void onResume() {
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super.onResume();
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Aria.download(this).addSchedulerListener(new MySchedulerListener());
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//registerReceiver(mReceiver, getModule(DownloadModule.class).getDownloadFilter());
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}
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@Override protected void onDestroy() {
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super.onDestroy();
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//unregisterReceiver(mReceiver);
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}
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@Override protected int setLayoutId() {
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return R.layout.activity_single;
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}
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@Override protected void init(Bundle savedInstanceState) {
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super.init(savedInstanceState);
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setSupportActionBar(toolbar);
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toolbar.setTitle("单任务下载");
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init();
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Aria.get(this).openBroadcast(true);
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}
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private void init() {
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if (Aria.download(this).taskExists(DOWNLOAD_URL)) {
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DownloadTarget target = Aria.download(this).load(DOWNLOAD_URL);
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int p = (int) (target.getCurrentProgress() * 100 / target.getFileSize());
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mPb.setProgress(p);
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}
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}
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public void onClick(View view) {
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switch (view.getId()) {
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case R.id.start:
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String text = ((TextView) view).getText().toString();
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if (text.equals("重新开始？") || text.equals("开始")) {
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start();
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} else if (text.equals("恢复")) {
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resume();
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}
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break;
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case R.id.stop:
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stop();
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break;
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case R.id.cancel:
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cancel();
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break;
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}
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}
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private void resume() {
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Aria.download(this).load(DOWNLOAD_URL).resume();
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}
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private void start() {
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Aria.download(this)
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.load(DOWNLOAD_URL)
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.setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
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.setDownloadName("test.apk")
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.start();
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}
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private void stop() {
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Aria.download(this).load(DOWNLOAD_URL).stop();
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}
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private void cancel() {
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Aria.download(this).load(DOWNLOAD_URL).cancel();
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}
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private class MySchedulerListener extends Aria.DownloadSchedulerListener {
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@Override public void onTaskStart(DownloadTask task) {
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mUpdateHandler.obtainMessage(DOWNLOAD_PRE, task.getDownloadEntity().getFileSize())
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.sendToTarget();
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}
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@Override public void onTaskResume(DownloadTask task) {
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super.onTaskResume(task);
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mUpdateHandler.obtainMessage(DOWNLOAD_PRE, task.getFileSize()).sendToTarget();
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}
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@Override public void onTaskStop(DownloadTask task) {
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mUpdateHandler.sendEmptyMessage(DOWNLOAD_STOP);
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}
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@Override public void onTaskCancel(DownloadTask task) {
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mUpdateHandler.sendEmptyMessage(DOWNLOAD_CANCEL);
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}
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@Override public void onTaskFail(DownloadTask task) {
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mUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILE);
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}
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@Override public void onTaskComplete(DownloadTask task) {
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mUpdateHandler.sendEmptyMessage(DOWNLOAD_COMPLETE);
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}
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@Override public void onTaskRunning(DownloadTask task) {
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mUpdateHandler.obtainMessage(DOWNLOAD_RUNNING, task).sendToTarget();
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}
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}
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}
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