AriaLyy
8 years ago
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9aa7df035a
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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.aria.core.command; |
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import android.text.TextUtils; |
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import com.arialyy.aria.core.inf.ITask; |
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import com.arialyy.aria.core.inf.ITaskEntity; |
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/** |
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* Created by lyy on 2017/6/2. |
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* 最高优先级命令，最高优先级命令有以下属性 |
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* 1、在下载队列中，有且只有一个最高优先级任务 |
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* 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成 |
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* 3、任务调度器不会暂停最高优先级任务 |
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* 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效 |
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* 5、如果下载队列中已经满了，则会停止队尾的任务 |
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* 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务 |
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*/ |
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final class HighestPriorityCmd<T extends ITaskEntity> extends AbsCmd<T> { |
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/** |
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* @param targetName 产生任务的对象名 |
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*/ |
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HighestPriorityCmd(String targetName, T entity) { |
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super(targetName, entity); |
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} |
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@Override public void executeCmd() { |
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if (!canExeCmd) return; |
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ITask task = mQueue.getTask(mEntity.getEntity()); |
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if (task == null) { |
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task = mQueue.createTask(mTargetName, mEntity); |
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} |
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if (task != null) { |
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if (!TextUtils.isEmpty(mTargetName)) { |
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task.setTargetName(mTargetName); |
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} |
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task.setHighestPriority(true); |
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} |
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} |
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} |
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@ -0,0 +1,169 @@ |
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package com.arialyy.simple.download; |
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import android.os.Bundle; |
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import android.os.Environment; |
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import android.support.v7.widget.LinearLayoutManager; |
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import android.support.v7.widget.RecyclerView; |
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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.TextView; |
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import butterknife.Bind; |
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import com.arialyy.aria.core.Aria; |
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import com.arialyy.aria.core.download.DownloadTarget; |
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import com.arialyy.aria.core.download.DownloadTask; |
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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.ActivityHighestPriorityBinding; |
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import com.arialyy.simple.download.multi_download.DownloadAdapter; |
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import com.arialyy.simple.widget.HorizontalProgressBarWithNumber; |
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/** |
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* Created by lyy on 2017/6/2. |
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* 最高优先级任务Demo |
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*/ |
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public class HighestPriorityActivity extends BaseActivity<ActivityHighestPriorityBinding> { |
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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.list) RecyclerView mList; |
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private String mTaskName = "狂野飙车8"; |
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private static final String DOWNLOAD_URL = |
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"http://static.gaoshouyou.com/d/82/ff/df82ed0af4ff4c1746cb191cf765aa8f.apk"; |
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private DownloadAdapter mAdapter; |
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@Override protected int setLayoutId() { |
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return R.layout.activity_highest_priority; |
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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("最高优先级任务演示"); |
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getBinding().setTaskName("任务名：" + mTaskName + " （该任务是最高优先级任务）"); |
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initWidget(); |
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} |
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private void initWidget() { |
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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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mAdapter = new DownloadAdapter(this, getModule(DownloadModule.class).getDownloadTaskList()); |
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mList.setLayoutManager(new LinearLayoutManager(this)); |
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mList.setAdapter(mAdapter); |
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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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} |
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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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Aria.download(this) |
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.load(DOWNLOAD_URL) |
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.setDownloadPath(Environment.getExternalStorageDirectory().getPath() |
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+ "/Download/" |
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+ mTaskName |
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+ ".apk") |
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.setHighestPriority(); |
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} else if (text.equals("恢复")) { |
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Aria.download(this).load(DOWNLOAD_URL).resume(); |
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} |
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break; |
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case R.id.stop: |
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Aria.download(this).load(DOWNLOAD_URL).pause(); |
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break; |
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case R.id.cancel: |
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Aria.download(this).load(DOWNLOAD_URL).cancel(); |
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break; |
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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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private class MySchedulerListener extends Aria.DownloadSchedulerListener { |
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@Override public void onTaskPre(DownloadTask task) { |
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super.onTaskPre(task); |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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mSize.setText(task.getConvertFileSize()); |
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} else { |
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mAdapter.updateState(task.getDownloadEntity()); |
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} |
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} |
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@Override public void onTaskStart(DownloadTask task) { |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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setBtState(false); |
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} else { |
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mAdapter.updateState(task.getDownloadEntity()); |
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} |
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} |
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@Override public void onTaskResume(DownloadTask task) { |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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setBtState(false); |
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} else { |
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mAdapter.updateState(task.getDownloadEntity()); |
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} |
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} |
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@Override public void onTaskStop(DownloadTask task) { |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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setBtState(true); |
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} else { |
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mAdapter.updateState(task.getDownloadEntity()); |
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} |
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} |
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@Override public void onTaskCancel(DownloadTask task) { |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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setBtState(true); |
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} else { |
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mAdapter.updateState(task.getDownloadEntity()); |
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} |
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} |
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@Override public void onTaskFail(DownloadTask task) { |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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setBtState(true); |
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} else { |
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L.d(TAG, "download fail【" + task.getKey() + "】"); |
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} |
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} |
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@Override public void onTaskComplete(DownloadTask task) { |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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setBtState(true); |
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} |
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} |
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@Override public void onTaskRunning(DownloadTask task) { |
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if (task.getKey().equals(DOWNLOAD_URL)) { |
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setBtState(true); |
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mPb.setProgress(task.getPercent()); |
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mSpeed.setText(task.getConvertSpeed()); |
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} else { |
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mAdapter.setProgress(task.getDownloadEntity()); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,47 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<layout xmlns:android="http://schemas.android.com/apk/res/android"> |
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<data> |
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<variable |
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name="taskName" |
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type="String" |
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/> |
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</data> |
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<RelativeLayout |
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android:layout_width="match_parent" |
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android:layout_height="match_parent" |
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android:orientation="vertical" |
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> |
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<include layout="@layout/layout_bar"/> |
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<TextView |
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android:id="@+id/name" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:layout_below="@+id/toolbar" |
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android:layout_marginLeft="16dp" |
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android:layout_marginTop="16dp" |
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android:text="@{taskName}" |
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android:textColor="@android:color/black" |
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android:textSize="16sp" |
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/> |
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<include |
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layout="@layout/content_single" |
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android:id="@+id/task" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:layout_below="@+id/name" |
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/> |
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<android.support.v7.widget.RecyclerView |
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android:id="@+id/list" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:layout_below="@+id/task" |
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android:layout_margin="16dp" |
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/> |
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</RelativeLayout> |
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</layout> |
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