File Loading – Load File locally or Download from network
In this lesson we will look at several options of loading a file in android. This can be important if you want to process or extract some data from a file. For example, rather than storing simple texts in a database, you may store them in a text file, then asynchronously load that file from a network or locally and extract that data and render it in your app.
The files can be loaded synchronously or asynchronously. Unless the file is super-tiny, you should always prefer asynchronous loading as it doesn't block the user interface.
(a). Solution 1: Use File Loader library
This is a beautiful library that allows us load files asynchronously and synchronously. When loading the file from the network, you have the option of using a cached one or forcing download from the network. This may be important in scenarios where you want to load only from the network if a local copy does not exist.
This library is described as "Android library for downloading, saving/caching and retrieving any type of files ( image, video, pdf, apk etc ) easily."
Here are examples:
How to Asynchronously load a file generically
FileLoader.with(this)
.load("https://upload.wikimedia.org/wikipedia/commons/3/3c/Enrique_Simonet_-_Marina_veneciana_6MB.jpg",false) //2nd parameter is optioal, pass true to force load from network
.fromDirectory("test4", FileLoader.DIR_INTERNAL)
.asFile(new FileRequestListener<File>() {
@Override
public void onLoad(FileLoadRequest request, FileResponse<File> response) {
File loadedFile = response.getBody();
// do something with the file
}
@Override
public void onError(FileLoadRequest request, Throwable t) {
}
});
How to load file as an Object
FileLoader.with(this)
.load("http://echo.jsontest.com/key1/value1/key2/value2")
.fromDirectory("test3", FileLoader.DIR_INTERNAL)
.asObject(new FileRequestListener<JsonTest>() {
@Override
public void onLoad(FileLoadRequest request, FileResponse<JsonTest> response) {
JsonTest jsonTest = response.getBody();
//do something with jsonTest object
}
@Override
public void onError(FileLoadRequest request, Throwable t) {
}
});
How to Load Multiple Files
You can load multiple files while handling progress states. Here is how you can upload from the same directory:
final String[] uris = {"https://images.pexels.com/photos/45170/kittens-cat-cat-puppy-rush-45170.jpeg",
"https://upload.wikimedia.org/wikipedia/commons/3/3c/Enrique_Simonet_-_Marina_veneciana_6MB.jpg",
"https://d15shllkswkct0.cloudfront.net/wp-content/blogs.dir/1/files/2017/01/Google-acquires-Fabric.png"};
FileLoader.multiFileDownload(this)
.fromDirectory(Environment.DIRECTORY_PICTURES, FileLoader.DIR_EXTERNAL_PUBLIC)
.progressListener(new MultiFileDownloadListener() {
@Override
public void onProgress(File downloadedFile, int progress, int totalFiles) {
}
@Override
public void onError(Exception e, int progress) {
super.onError(e, progress);
}
}).loadMultiple(uris);
And here is how you can load from different directories:
List<MultiFileLoadRequest> multiFileLoadRequests = new ArrayList<>();
multiFileLoadRequests.add(new MultiFileLoadRequest(uris[0], "test2", FileLoader.DIR_INTERNAL, false));
multiFileLoadRequests.add(new MultiFileLoadRequest(uris[1], Environment.DIRECTORY_DOWNLOADS, FileLoader.DIR_EXTERNAL_PRIVATE, false));
multiFileLoadRequests.add(new MultiFileLoadRequest(uris[2], Environment.DIRECTORY_PICTURES, FileLoader.DIR_EXTERNAL_PUBLIC, false));
MultiFileDownloader multiFileDownloader = FileLoader.multiFileDownload(this);
multiFileDownloader.progressListener(new MultiFileDownloadListener() {
@Override
public void onProgress(File downloadedFile, int progress, int totalFiles) {
}
@Override
public void onError(Exception e, int progress) {
super.onError(e, progress);
}
}).loadMultiple(true, uris);
How to cancel loading
Deleting Files
How to Delete Files
You can also delete multiple files:
final String[] uris = {"https://images.pexels.com/photos/45170/kittens-cat-cat-puppy-rush-45170.jpeg",
"https://upload.wikimedia.org/wikipedia/commons/3/3c/Enrique_Simonet_-_Marina_veneciana_6MB.jpg",
"https://d15shllkswkct0.cloudfront.net/wp-content/blogs.dir/1/files/2017/01/Google-acquires-Fabric.png"};
try {
FileLoader.deleteWith(this).fromDirectory("test2", FileLoader.DIR_INTERNAL).deleteFiles(uris);
} catch (Exception e) {
e.printStackTrace();
}
To delete all files of a given directory:
To delete all files except the specified ones:
FileLoader.deleteWith(this).fromDirectory("test3", FileLoader.DIR_INTERNAL).deleteAllFilesExcept(uris);
Installation
To install file loader:
repositories {
mavenCentral()
maven { url 'https://jitpack.io' }
}
dependencies {
implementation 'com.github.kk121:File-Loader:1.2'
}
Find more info here.
(b). Download Files using Downloader
Downloader is a Powerful and flexible Android file downloader.
Downloader is a very lightweight and powerful fast download library, only about 50KB in size. For
most applications, it is the most cost-effective download library. The API provided by Downloader
is simpler and lighter, and Downloader provides synchronous download, system notification
progress, etc.
Here are it's features:
- Support serial, multi-threaded parallel download
- Supports resuming from a breakpoint
- Supports chunked transfers
- Support system notification progress
- Support synchronous and asynchronous download
- Support custom path
- Support for adding request headers
- Support timeout configuration
- Provide simple API
- Support redirect download
- Support progress callback
- Retry times configuration
- Support automatic installation after downloading APK file
- Supports operations such as pausing, resuming downloads
Here is a demo image:
Step 1: Install it
First go to your YOUR_PROJECT/build.gradle and register Jitpack as a maven repository:
Then in your app/build.gradle declare the dependency:
Step 2: Download
You can download a file synchronously using the following code:
File file = DownloadImpl.getInstance(getApplicationContext())
.url
("http://shouji.360tpcdn.com/170918/93d1695d87df5a0c0002058afc0361f1/com.ss.android.article.news_
636.apk")
.get();
To download a file asynchronously use the following code:
DownloadImpl.getInstance(getApplicationContext())
.url
("http://shouji.360tpcdn.com/170918/f7aa8587561e4031553316ada312ab38/com.tencent.qqlive_13049.apk
")
.enqueue();
Here is how you can monitor progress:
DownloadImpl.getInstance(getApplicationContext())
.target(new File(this.getExternalCacheDir(),
"com.ss.android.article.news_636.apk"))
.setUniquePath(false)
.setForceDownload(true)
.url
("http://shouji.360tpcdn.com/170918/93d1695d87df5a0c0002058afc0361f1/com.ss.android.article.news_
636.apk")
.enqueue(new DownloadListenerAdapter() {
@Override
public void onStart(String url, String userAgent, String
contentDisposition, String mimetype, long contentLength, Extra extra) {
super.onStart(url, userAgent, contentDisposition,
mimetype, contentLength, extra);
}
@Override
public void onProgress(String url, long downloaded, long
length, long usedTime) {
super.onProgress(url, downloaded, length,
usedTime);
Log.i(TAG, " progress:" + downloaded + " url:" +
url);
}
@Override
public boolean onResult(Throwable throwable, Uri path,
String url, Extra extra) {
Log.i(TAG, " path:" + path + " url:" + url + "
length:" + new File(path.getPath()).length());
return super.onResult(throwable, path, url,
extra);
}
});
Full Example
Here is a full example:
MainActivity.java
package com.download.sample;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.net.Uri;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.download.library.DownloadException;
import com.download.library.DownloadImpl;
import com.download.library.DownloadListenerAdapter;
import com.download.library.DownloadTask;
import com.download.library.Downloader;
import com.download.library.Extra;
import com.download.library.Runtime;
import com.liulishuo.filedownloader.BaseDownloadTask;
import com.liulishuo.filedownloader.FileDownloadListener;
import com.liulishuo.filedownloader.FileDownloader;
import com.squareup.picasso.Picasso;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
public class MainActivity extends AppCompatActivity {
private RecyclerView mRecyclerView;
private ArrayList<DownloadBean> mDownloadTasks = new ArrayList<DownloadBean>();
private static final String TAG = MainActivity.class.getSimpleName();
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_native_download);
createDatasource();
final NativeDownloadAdapter downloadAdapter = new NativeDownloadAdapter();
mRecyclerView = this.findViewById(R.id.download_recyclerview);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
mRecyclerView.setItemAnimator(new DefaultItemAnimator());
mRecyclerView.setAdapter(downloadAdapter);
FileDownloader.setup(this.getApplicationContext());
this.findViewById(R.id.resumeAllBtn).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// if (DownloadImpl.getInstance(getApplicationContext()).pausedTasksTotals() > 0)
{
// DownloadImpl.getInstance(getApplicationContext()).resumeAll();
//// downloadAdapter.notifyDataSetChanged();
// }
DownloadImpl.getInstance(MainActivity.this).url("data:application/vnd.ms-
excel;base64,PGh0bWwgeG1sbnM6bz0idXJuOnNjaGVtYXMtbWljcm9zb2Z0LWNvbTpvZmZpY2U6b2ZmaWNlIiAKICB4bWxu
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bnM+PHg6RGlzcGxheUdyaWRsaW5lcy8+PC94OldvcmtzaGVldE9wdGlvbnM
+PC94OkV4Y2VsV29ya3NoZWV0PgogICAgPC94OkV4Y2VsV29ya3NoZWV0cz48L3g6RXhjZWxXb3JrYm9vaz48L3htbD48IVtl
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.autoOpenIgnoreMD5()
.setEnableIndicator(true)
.enqueue(new DownloadListenerAdapter(){
@Override
public boolean onResult(Throwable throwable, Uri path, String url,
Extra extra) {
return super.onResult(throwable, path, url, extra);
}
});
}
});
this.findViewById(R.id.cancelAllBtn).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
List<DownloadTask> downloadTasks = DownloadImpl.getInstance
(getApplicationContext()).cancelAll();
}
});
// new Thread(new Runnable() {
// @Override
// public void run() {
// Context context = getApplicationContext();
// /**
// * 文件同步下载
// */
// File file = DownloadImpl.getInstance(getApplicationContext())
// .with("http://www.httpwatch.com/httpgallery/chunked/chunkedimage.aspx?
0.04400023248109086")
// .target(context.getCacheDir().getAbsolutePath() + "/a/b/c/d/f/e/g.apk")
// .setDownloadListenerAdapter(new DownloadListenerAdapter() {
// @Override
// public void onProgress(String url, long downloaded, long length,
long usedTime) {
// super.onProgress(url, downloaded, length, usedTime);
// Log.i(TAG, " downloaded:" + downloaded);
// }
//
// @Override
// public boolean onResult(Throwable throwable, Uri path, String url,
Extra extra) {
// Log.i(TAG, "downloaded onResult isSuccess:" + (throwable ==
null) + " url:" + url + " Thread:" + Thread.currentThread().getName() + " uri:" + path.toString
());
//
// return super.onResult(throwable, path, url, extra);
// }
// }).get();
// Log.i(TAG, " download success file length:" + byte2FitMemorySize(((File)
file).length()) + " name:" + file.getName());
//
// }
// }).start();
/*DownloadImpl.getInstance(getApplicationContext())
.url
("http://shouji.360tpcdn.com/170918/f7aa8587561e4031553316ada312ab38/com.tencent.qqlive_13049.apk
")
.setEnableIndicator(true)//启动通知
.addHeader("xx","cookies")//添加请求头
.autoOpenIgnoreMD5()//下载完成后自动打开文件，不做文件校验
.enqueue(new DownloadListenerAdapter() {
@Override
public void onProgress(String url, long downloaded, long length, long
usedTime) {
super.onProgress(url, downloaded, length, usedTime);
Log.i(TAG, " progress:" + downloaded + " url:" + url);
}
@Override
public boolean onResult(Throwable throwable, Uri path, String url, Extra
extra) {
Log.i(TAG, " path:" + path + " url:" + url + " length:" + new File
(path.getPath()).length());
return super.onResult(throwable, path, url, extra);
}
});*/
/*File dir = new File(getExternalCacheDir() + "/download/" + "public");
if (!dir.exists()) {
dir.mkdirs();
}
DownloadImpl.getInstance(getApplicationContext())
.url
("http://shouji.360tpcdn.com/170918/93d1695d87df5a0c0002058afc0361f1/com.ss.android.article.news_
636.apk")
.target(new File(getExternalCacheDir() + "/download/" + "public" + "/" +
"com.ss.android.article.news_636.apk"), this.getPackageName() + ".SampleFileProvider")//自定义路径
需指定目录和authority(FileContentProvide),需要相对应匹配才能启动通知，和自动打开文件
.setUniquePath(false)//是否唯一路径
.setForceDownload(true)//不管网络类型
.setRetry(4)//下载异常，自动重试,最多重试4次
.setBlockMaxTime(60000L) //以8KB位单位，默认60s ，如果60s内无法从网络
流中读满8KB数据，则抛出异常 。
.setConnectTimeOut(10000L)//连接10超时
.addHeader("xx", "cookie")//添加请求头
.setDownloadTimeOut(Long.MAX_VALUE)//下载最大时长
.setOpenBreakPointDownload(true)//打开断点续传
.setParallelDownload(true)//打开多线程下载
.autoOpenWithMD5("93d1695d87df5a0c0002058afc0361f1")//校验md5通过
后自动打开该文件,校验失败会回调异常
// .autoOpenIgnoreMD5()
// .closeAutoOpen()
.quickProgress()//快速连续回调进度，默认1.2s回调一次
.enqueue(new DownloadListenerAdapter() {
@Override
public void onStart(String url, String userAgent, String
contentDisposition, String mimetype, long contentLength, Extra extra) {
super.onStart(url, userAgent, contentDisposition,
mimetype, contentLength, extra);
}
@MainThread //加上该注解，自动回调到主线程
@Override
public void onProgress(String url, long downloaded, long
length, long usedTime) {
super.onProgress(url, downloaded, length,
usedTime);
Log.i(TAG, " progress:" + downloaded + " url:" +
url);
}
@Override
public boolean onResult(Throwable throwable, Uri path,
String url, Extra extra) {
String md5 = Runtime.getInstance().md5(new File
(path.getPath()));
Log.i(TAG, " path:" + path + " url:" + url + "
length:" + new File(path.getPath()).length() + " md5:" + md5 + " extra.getFileMD5:" +
extra.getFileMD5());
return super.onResult(throwable, path, url,
extra);
}
});
run2();*/
}
private void run3() {
final long begin1 = SystemClock.elapsedRealtime();
FileDownloader.getImpl()
.create
("http://shouji.360tpcdn.com/170918/93d1695d87df5a0c0002058afc0361f1/com.ss.android.article.news_
636.apk")
.setPath(this.getCacheDir().getAbsolutePath() + "/" + "test.apk")
.setListener(new FileDownloadListener() {
@Override
protected void pending(BaseDownloadTask task, int soFarBytes, int totalBytes)
{
}
@Override
protected void progress(BaseDownloadTask task, int soFarBytes, int
totalBytes) {
Log.i(TAG, "FileDownloader progress:" + soFarBytes);
}
@Override
protected void completed(BaseDownloadTask task) {
Log.i(TAG, " FileDownloader time:" + (SystemClock.elapsedRealtime() -
begin1)
+ " length:" + new File(task.getPath()).length()
+ " path:" + task.getPath());
new File(task.getPath()).delete();
// run2();
}
@Override
protected void paused(BaseDownloadTask task, int soFarBytes, int totalBytes)
{
}
@Override
protected void error(BaseDownloadTask task, Throwable e) {
e.printStackTrace();
}
@Override
protected void warn(BaseDownloadTask task) {
}
}).start();
}
private void run2() {
final long begin = SystemClock.elapsedRealtime();
DownloadImpl.with(getApplicationContext())
.url
("http://shouji.360tpcdn.com/170918/93d1695d87df5a0c0002058afc0361f1/com.ss.android.article.news_
636.apk")
.enqueue(new DownloadListenerAdapter() {
@Override
public void onProgress(String url, long downloaded, long length, long
usedTime) {
super.onProgress(url, downloaded, length, usedTime);
// Log.i(TAG, " progress:" + downloaded + " url:" + url);
}
@Override
public boolean onResult(Throwable throwable, Uri path, String url, Extra
extra) {
Log.i(TAG, " path:" + path + " url:" + url + " length:" + new File
(path.getPath()).length());
Log.i(TAG, " DownloadImpl time:" + (SystemClock.elapsedRealtime() -
begin) + " length:" + new File(path.getPath()).length());
run3();
return super.onResult(throwable, path, url, extra);
}
});
}
private class NativeDownloadAdapter extends RecyclerView.Adapter<NativeDownloadViewHolder> {
@NonNull
@Override
public NativeDownloadViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View v = LayoutInflater.from(viewGroup.getContext()).inflate
(R.layout.recyclerview_item_download, viewGroup, false);
return new NativeDownloadViewHolder(v);
}
@Override
public void onBindViewHolder(@NonNull final NativeDownloadViewHolder
nativeDownloadViewHolder, final int i) {
final DownloadBean downloadBean = mDownloadTasks.get(i);
Picasso.get().load(downloadBean.imageUrl)
.resize(100, 100)
.centerCrop().
transform(new RoundTransform(MainActivity.this.getApplicationContext()))
.into(nativeDownloadViewHolder.mIconIv);
nativeDownloadViewHolder.mStatusButton.setEnabled(true);
nativeDownloadViewHolder.mStatusButton.setTag(downloadBean);
if (downloadBean.getTotalsLength() > 0L) {
int mProgress = (int) ((downloadBean.getLoaded()) / Float.valueOf
(downloadBean.getTotalsLength()) * 100);
Log.e(TAG, "mProgress:" + mProgress + " position:" + i);
nativeDownloadViewHolder.mProgressBar.setProgress(mProgress);
nativeDownloadViewHolder.mCurrentProgress.setText("当前进度" + byte2FitMemorySize
(downloadBean.getLoaded()) + "/" + byte2FitMemorySize(downloadBean.getTotalsLength()) + " 耗时:" +
((downloadBean.getUsedTime()) / 1000) + "s");
} else {
nativeDownloadViewHolder.mProgressBar.setProgress(0);
nativeDownloadViewHolder.mCurrentProgress.setText("当前进度,已下载:" +
byte2FitMemorySize(downloadBean.getLoaded()) + " 耗时:" + ((downloadBean.getUsedTime()) / 1000) +
"s");
}
Log.e(TAG, "status:" + downloadBean.getStatus() + " position:" + i);
if (downloadBean.getStatus() == DownloadTask.STATUS_NEW) {
nativeDownloadViewHolder.mStatusButton.setText("开始");
} else if (downloadBean.getStatus() == DownloadTask.STATUS_PAUSING) {
nativeDownloadViewHolder.mStatusButton.setText("暂停中...");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
} else if (downloadBean.getStatus() == DownloadTask.STATUS_PENDDING) {
nativeDownloadViewHolder.mStatusButton.setText("等待中...");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
} else if (downloadBean.getStatus() == DownloadTask.STATUS_PAUSED) {
nativeDownloadViewHolder.mStatusButton.setText("继续");
} else if (downloadBean.getStatus() == DownloadTask.STATUS_DOWNLOADING) {
nativeDownloadViewHolder.mStatusButton.setText("暂停");
} else if (downloadBean.getStatus() == DownloadTask.STATUS_CANCELED ||
downloadBean.getStatus() == DownloadTask.STATUS_ERROR) {
nativeDownloadViewHolder.mStatusButton.setText("出错");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
} else {
nativeDownloadViewHolder.mStatusButton.setText("已完成");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
}
nativeDownloadViewHolder.mStatusButton.setOnClickListener(new View.OnClickListener()
{
long lastTime = SystemClock.elapsedRealtime();
@Override
public void onClick(View v) {
Runtime.getInstance().log(TAG, "mStatusButton onClick");
if (SystemClock.elapsedRealtime() - lastTime <= 500) {
return;
}
lastTime = SystemClock.elapsedRealtime();
if (downloadBean.getStatus() == DownloadTask.STATUS_NEW) {
nativeDownloadViewHolder.mStatusButton.setText("等待中...");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
boolean isStarted = DownloadImpl.getInstance(getApplicationContext
()).enqueue(downloadBean);
if (!isStarted) {
bindViewHolder(nativeDownloadViewHolder, i);
}
} else if (downloadBean.getStatus() == DownloadTask.STATUS_PENDDING) {
} else if (downloadBean.getStatus() == DownloadTask.STATUS_DOWNLOADING) {
if (TextUtils.isEmpty(downloadBean.getUrl())) {
nativeDownloadViewHolder.mStatusButton.setText("出错");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
return;
}
DownloadTask downloadTask = DownloadImpl.getInstance
(getApplicationContext()).pause(downloadBean.getUrl());
if (downloadTask != null) {
nativeDownloadViewHolder.mStatusButton.setText("继续");
} else {
bindViewHolder(nativeDownloadViewHolder, i);
}
} else if (downloadBean.getStatus() == DownloadTask.STATUS_PAUSED) {
boolean isStarted = DownloadImpl.getInstance(getApplicationContext
()).resume(downloadBean.getUrl());
nativeDownloadViewHolder.mStatusButton.setText("等待中...");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
if (!isStarted) {
bindViewHolder(nativeDownloadViewHolder, i);
}
} else if (downloadBean.getStatus() == DownloadTask.STATUS_CANCELED) {
} else {
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
nativeDownloadViewHolder.mStatusButton.setText("已完成");
}
}
});
downloadBean.setDownloadListenerAdapter(new DownloadListenerAdapter() {
@Override
public void onStart(String url, String userAgent, String contentDisposition,
String mimetype, long contentLength, Extra extra) {
if (nativeDownloadViewHolder.mStatusButton.getTag() != downloadBean) {
Log.e(TAG, "item recycle onStart");
return;
}
// nativeDownloadViewHolder.mStatusButton.setText("暂停");
// nativeDownloadViewHolder.mStatusButton.setEnabled(true);
Log.i(TAG, " isRunning:" + DownloadImpl.getInstance(getApplicationContext
()).isRunning(url));
}
@MainThread //回调到主线程，添加该注释
@Override
public void onProgress(String url, long downloaded, long length, long usedTime) {
if (nativeDownloadViewHolder.mStatusButton.getTag() != downloadBean) {
Log.e(TAG, "onProgress item recycle");
return;
}
int mProgress = (int) ((downloaded) / Float.valueOf(length) * 100);
// Log.i(TAG, "onProgress:" + mProgress + " downloaded:" + downloaded + "
totals:" + length + " url:" + url + " Thread:" + Thread.currentThread().getName());
nativeDownloadViewHolder.mProgressBar.setProgress(mProgress);
if (length <= 0) {
nativeDownloadViewHolder.mCurrentProgress.setText("当前进度,已下载:" +
byte2FitMemorySize(downloaded) + " 耗时:" + ((downloadBean.getUsedTime()) / 1000) + "s");
} else {
nativeDownloadViewHolder.mCurrentProgress.setText("当前进度" +
byte2FitMemorySize(downloaded) + "/" + byte2FitMemorySize(length) + " 耗时:" +
((downloadBean.getUsedTime()) / 1000) + "s");
}
}
@Override
public boolean onResult(Throwable throwable, Uri uri, String url, Extra extra) {
if (nativeDownloadViewHolder.mStatusButton.getTag() != downloadBean) {
Log.e(TAG, "item recycle");
return super.onResult(throwable, uri, url, extra);
}
Log.i(TAG, "onResult isSuccess:" + (throwable == null) + " url:" + url + "
Thread:" + Thread.currentThread().getName() + " uri:" + uri.toString() + " isPaused:" +
DownloadImpl.getInstance(getApplicationContext()).isPaused(url));
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
if (throwable == null) {
nativeDownloadViewHolder.mStatusButton.setText("已完成");
} else if (throwable instanceof DownloadException) {
DownloadException downloadException = (DownloadException) throwable;
if (downloadException.getCode() == Downloader.ERROR_USER_PAUSE) {
nativeDownloadViewHolder.mStatusButton.setText("继续");
nativeDownloadViewHolder.mStatusButton.setEnabled(true);
} else {
nativeDownloadViewHolder.mStatusButton.setText("出错");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
}
Toast.makeText(MainActivity.this, downloadException.getMsg(), 1).show();
}
return super.onResult(throwable, uri, url, extra);
}
@Override
public void onDownloadStatusChanged(Extra extra, int status) {
super.onDownloadStatusChanged(extra, status);
Log.e(TAG, "onDownloadStatusChanged:" + status);
if (nativeDownloadViewHolder.mStatusButton.getTag() != downloadBean) {
Log.e(TAG, "item recycle onDownloadStatusChanged");
return;
}
if (status == DownloadTask.STATUS_NEW) {
nativeDownloadViewHolder.mStatusButton.setText("开始");
nativeDownloadViewHolder.mStatusButton.setEnabled(true);
} else if (status == DownloadTask.STATUS_PENDDING) {
nativeDownloadViewHolder.mStatusButton.setText("等待中...");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
} else if (status == DownloadTask.STATUS_PAUSING) {
nativeDownloadViewHolder.mStatusButton.setText("暂停中...");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
} else if (downloadBean.getStatus() == DownloadTask.STATUS_DOWNLOADING) {
nativeDownloadViewHolder.mStatusButton.setText("暂停");
nativeDownloadViewHolder.mStatusButton.setEnabled(true);
} else if (downloadBean.getStatus() == DownloadTask.STATUS_PAUSED) {
nativeDownloadViewHolder.mStatusButton.setText("继续");
nativeDownloadViewHolder.mStatusButton.setEnabled(true);
} /*else if (downloadBean.getStatus() == DownloadTask.STATUS_PAUSED) {
nativeDownloadViewHolder.mStatusButton.setText("继续");
nativeDownloadViewHolder.mStatusButton.setEnabled(true);
} else if (downloadBean.getStatus() == DownloadTask.STATUS_CANCELED) {
nativeDownloadViewHolder.mStatusButton.setText("出错");
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
} else {
nativeDownloadViewHolder.mStatusButton.setEnabled(false);
nativeDownloadViewHolder.mStatusButton.setText("已完成");
}*/
}
});
}
@Override
public int getItemCount() {
return mDownloadTasks.size();
}
}
private static String byte2FitMemorySize(final long byteNum) {
if (byteNum < 0) {
return "";
} else if (byteNum < 1024) {
return String.format(Locale.getDefault(), "%.1fB", (double) byteNum);
} else if (byteNum < 1048576) {
return String.format(Locale.getDefault(), "%.1fKB", (double) byteNum / 1024);
} else if (byteNum < 1073741824) {
return String.format(Locale.getDefault(), "%.1fMB", (double) byteNum / 1048576);
} else {
return String.format(Locale.getDefault(), "%.1fGB", (double) byteNum / 1073741824);
}
}
private class NativeDownloadViewHolder extends RecyclerView.ViewHolder {
ProgressBar mProgressBar;
Button mStatusButton;
ImageView mIconIv;
private final TextView mCurrentProgress;
public NativeDownloadViewHolder(@NonNull View itemView) {
super(itemView);
mIconIv = itemView.findViewById(R.id.icon_iv);
mStatusButton = itemView.findViewById(R.id.start_button);
mProgressBar = itemView.findViewById(R.id.progressBar);
mProgressBar.setMax(100);
mCurrentProgress = itemView.findViewById(R.id.current_progress);
}
}
public static class DownloadBean extends DownloadTask {
public String title;
public String imageUrl;
public DownloadBean(String title, String imageUrl, String url) {
this.title = title;
this.imageUrl = imageUrl;
this.mUrl = url;
}
@Override
public DownloadTask addHeader(String key, String value) {
return super.addHeader(key, value);
}
@Override
protected DownloadBean setDownloadListenerAdapter(DownloadListenerAdapter
downloadListenerAdapter) {
return (DownloadBean) super.setDownloadListenerAdapter(downloadListenerAdapter);
}
@Override
public DownloadTask setTargetCompareMD5(String targetCompareMD5) {
return super.setTargetCompareMD5(targetCompareMD5);
}
@Override
public DownloadBean setUrl(String url) {
return (DownloadBean) super.setUrl(url);
}
@Override
public DownloadBean setContext(Context context) {
return (DownloadBean) super.setContext(context);
}
@Override
protected DownloadTask setForceDownload(boolean force) {
return super.setForceDownload(force);
}
@Override
public void setCalculateMD5(boolean calculateMD5) {
super.setCalculateMD5(calculateMD5);
}
@Override
public DownloadBean setEnableIndicator(boolean enableIndicator) {
return (DownloadBean) super.setEnableIndicator(enableIndicator);
}
@Override
public DownloadBean setRetry(int retry) {
return (DownloadBean) super.setRetry(retry);
}
@Override
public DownloadBean setQuickProgress(boolean quickProgress) {
return (DownloadBean) super.setQuickProgress(quickProgress);
}
@Override
public DownloadBean autoOpenIgnoreMD5() {
return (DownloadBean) super.autoOpenIgnoreMD5();
}
}
public static class RoundTransform implements com.squareup.picasso.Transformation {
private Context mContext;
public RoundTransform(Context context) {
mContext = context;
}
@Override
public Bitmap transform(Bitmap source) {
int widthLight = source.getWidth();
int heightLight = source.getHeight();
int radius = dp2px(mContext, 8); // 圆角半径
Bitmap output = Bitmap.createBitmap(source.getWidth(), source.getHeight(),
Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
Paint paintColor = new Paint();
paintColor.setFlags(Paint.ANTI_ALIAS_FLAG);
RectF rectF = new RectF(new Rect(0, 0, widthLight, heightLight));
canvas.drawRoundRect(rectF, radius, radius, paintColor);
// canvas.drawRoundRect(rectF, widthLight / 5, heightLight / 5, paintColor);
Paint paintImage = new Paint();
paintImage.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_ATOP));
canvas.drawBitmap(source, 0, 0, paintImage);
source.recycle();
return output;
}
@Override
public String key() {
return "roundcorner";
}
}
public void createDatasource() {
DownloadBean downloadBean = new DownloadBean("QQ",
"http://p18.qhimg.com/dr/72__/t0111cb71dabfd83b21.png",
"https://d71329e5c0be6cdc2b46d0df2b4bd841.dd.cdntips.com/imtt.dd.qq.com/16891/apk/06AB1F5B0A51BEF
D859B2B0D6B9ED9D9.apk?
mkey=5d47b9f223f7bc0d&f=1806&fsname=com.tencent.mobileqq_8.1.0_1232.apk&csr=1bbd&cip=35.247.154.2
48&proto=https");
downloadBean.setQuickProgress(true);
downloadBean.setRetry(4);
downloadBean.setForceDownload(true);
downloadBean.setContext(this.getApplicationContext());
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("支付宝",
"http://p18.qhimg.com/dr/72__/t01a16bcd9acd07d029.png",
"http://shouji.360tpcdn.com/170919/e7f5386759129f378731520a4c953213/com.eg.android.AlipayGphone_1
15.apk");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("UC",
"http://p19.qhimg.com/dr/72__/t01195d02b486ef8ebe.png",
"http://shouji.360tpcdn.com/170919/9f1c0f93a445d7d788519f38fdb3de77/com.UCMobile_704.apk");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("腾讯视频",
"http://p18.qhimg.com/dr/72__/t01ed14e0ab1a768377.png",
"http://shouji.360tpcdn.com/170918/f7aa8587561e4031553316ada312ab38/com.tencent.qqlive_13049.apk"
);
downloadBean.setContext(this.getApplicationContext());
downloadBean.setForceDownload(true);
downloadBean.setQuickProgress(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("头条",
"http://p15.qhimg.com/dr/72__/t013d31024ae54d9c35.png",
"http://shouji.360tpcdn.com/170918/93d1695d87df5a0c0002058afc0361f1/com.ss.android.article.news_6
36.apk");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setCalculateMD5(true);
downloadBean.addHeader("cookies", "abc");
downloadBean.addHeader("tests", "tests");
downloadBean.setForceDownload(true);
downloadBean.setTargetCompareMD5("93d1695d87df5a0c0002058afc0361f1");
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("应用宝",
"https://pp.myapp.com/ma_icon/0/icon_5848_1565090584/96",
"http://imtt.dd.qq.com/16891/myapp/channel_78665107_1000047_48e7227d3afeb842447c73c4b7af2509.apk?
hsr=5848");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
downloadBean.autoOpenIgnoreMD5();
downloadBean.setCalculateMD5(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("附近越爱",
"https://pp.myapp.com/ma_icon/0/icon_52396134_1563435176/96",
"https://wxz.myapp.com/16891/apk/66339C385B32951E838F89AFDBB8AFBF.apk?
fsname=com.wangjiang.fjya_5.6.3_98.apk&hsr=4d5s");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("白菜二手车",
"https://pp.myapp.com/ma_icon/0/icon_52728407_1565231751/96",
"http://imtt.dd.qq.com/16891/myapp/channel_78665107_1000047_48e7227d3afeb842447c73c4b7af2509.apk?
hsr=5848&fsname=YYB.998886.dad220fda3959275efcb77f06835b974.1000047.apk");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("老鹰抓小鸡",
"https://pp.myapp.com/ma_icon/0/icon_12097212_1555095310/96",
"http://183.235.254.177/cache/112.29.208.41/imtt.dd.qq.com/16891/myapp/channel_78665107_1000047_4
8e7227d3afeb842447c73c4b7af2509.apk?
mkey=5d5016b578e7f75c&f=184b&hsr=5848&fsname=YYB.998886.2e4a1c0f5a55b75a2e7a10c0b53a3491.1000047.
apk&cip=120.231.209.169&proto=http&ich_args2=6-
11231103023581_c2af2d3056e749ee2654202c210b6535_10004303_9c896229d2c0f7d3903d518939a83798_e03b546
f591096a2b6182b487572fb16");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("2345手机助手",
"https://pp.myapp.com/ma_icon/0/icon_10427994_1565164413/96",
"https://wxz.myapp.com/16891/apk/14004450452AC52D15749001DBD0E4EA.apk?
fsname=com.market2345_7.0_115.apk&hsr=4d5s");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("随手借",
"https://pp.myapp.com/ma_pic2/0/shot_12170461_3_1564367665/550",
"https://fb187cdbcc69278c9f1e6ce8e7257596.dd.cdntips.com/wxz.myapp.com/16891/apk/B505BB2B5D831592
D5E190BAD5E66CCA.apk?
mkey=5d50161b78e7f75c&f=1026&fsname=audaque.SuiShouJie_4.11.11_49.apk&hsr=4d5s&cip=120.231.209.16
9&proto=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("极光单词",
"https://pp.myapp.com/ma_pic2/0/shot_52835037_1_1564713577/550",
"https://6b7e49d6fab5c817409329478a000160.dd.cdntips.com/wxz.myapp.com/16891/apk/C721DE2D7E453877
2FA98C1E9830F92F.apk?
mkey=5d5017df78e7f75c&f=9870&fsname=com.qingclass.jgdc_2.0.4_9.apk&hsr=4d5s&cip=120.231.209.169&p
roto=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("帮帮测",
"https://pp.myapp.com/ma_pic2/0/shot_52499136_3_1561616032/550",
"https://fb187cdbcc69278c9f1e6ce8e7257596.dd.cdntips.com/wxz.myapp.com/16891/5571F5786B8E9F15058B
E615B419A28B.apk?
mkey=5d50176c78e7f75c&f=8ea4&fsname=com.bangbangce.mm_4.1.4_3104.apk&hsr=4d5s&cip=120.231.209.169
&proto=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("速贷之家",
"https://pp.myapp.com/ma_pic2/0/shot_42330202_2_1564649857/550",
"https://3e25603914f997244c41c1ed7fbedfb5.dd.cdntips.com/wxz.myapp.com/16891/apk/7AADD4A8C9D404FB
97378EA3CA2E69E6.apk?
mkey=5d50172c78e7f75c&f=184b&fsname=com.yeer.sdzj_3.2.8_328.apk&hsr=4d5s&cip=120.231.209.169&prot
o=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("中原消费金融",
"https://pp.myapp.com/ma_pic2/0/shot_52471681_2_1565161792/550",
"https://f437b8a1a8be40951a91f58666e659d0.dd.cdntips.com/wxz.myapp.com/16891/apk/B1C6CC0DB7D412DA
47A3A446E28D9C09.apk?
mkey=5d5014fb78e7f75c&f=24c5&fsname=com.hnzycfc.zyxj_3.0.1_52.apk&hsr=4d5s&cip=120.231.209.169&pr
oto=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setForceDownload(true);
downloadBean.setQuickProgress(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("店长直聘",
"https://pp.myapp.com/ma_icon/0/icon_12216213_1564373730/96",
"https://f437b8a1a8be40951a91f58666e659d0.dd.cdntips.com/wxz.myapp.com/16891/apk/FA29D09A6CD550DC
BEBC1D89EA392109.apk?
mkey=5d5014b478e7f75c&f=1849&fsname=com.hpbr.directhires_4.31_403010.apk&hsr=4d5s&cip=120.231.209
.169&proto=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("淘卷吧",
"https://pp.myapp.com/ma_icon/0/icon_42320744_1564583832/96",
"https://11473001bb572df6cb60e7e0821a4586.dd.cdntips.com/wxz.myapp.com/16891/apk/4AA997287EEA4A96
C2DFD97CEE0180AD.apk?
mkey=5d50148f78e7f75c&f=24c5&fsname=com.ciyun.oneshop_7.07_69.apk&hsr=4d5s&cip=120.231.209.169&pr
oto=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("本地寻爱",
"https://pp.myapp.com/ma_icon/0/icon_53268261_1564479560/96",
"https://ce7ce9c885b5c04b6771ea454e096946.dd.cdntips.com/wxz.myapp.com/16891/apk/AAB98D7BDAFB390F
A4D37F6CBD910992.apk?
mkey=5d50142d78e7f75c&f=07b4&fsname=com.kaitai.bdxa_5.6.3_98.apk&hsr=4d5s&cip=120.231.209.169&pro
to=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("360借条",
"https://pp.myapp.com/ma_icon/0/icon_42379225_1564124706/96",
"https://e2983106ebfb9f560ff3a8e230faa981.dd.cdntips.com/wxz.myapp.com/16891/apk/DEB654116EC627AB
A4DB12A6E777EAAD.apk?
mkey=5d5015d578e7f75c&f=1026&fsname=com.qihoo.loan_1.5.4_213.apk&hsr=4d5s&cip=120.231.209.169&pro
to=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setEnableIndicator(false);
downloadBean.setForceDownload(true);
downloadBean.setQuickProgress(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("淘宝",
"https://pp.myapp.com/ma_icon/0/icon_5080_1564463763/96",
"http://shouji.360tpcdn.com/170901/ec1eaad9d0108b30d8bd602da9954bb7/com.taobao.taobao_161.apk");
downloadBean.setContext(this.getApplicationContext());
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
//http://www.httpwatch.com/httpgallery/chunked/chunkedimage.aspx?0.04400023248109086
downloadBean = new DownloadBean("分块传输，图片",
"http://www.httpwatch.com/httpgallery/chunked/chunkedimage.aspx?0.04400023248109086",
"http://www.httpwatch.com/httpgallery/chunked/chunkedimage.aspx?0.04400023248109086");
downloadBean.setContext(this.getApplicationContext());
downloadBean.autoOpenIgnoreMD5();
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
downloadBean = new DownloadBean("也爱直播",
"https://pp.myapp.com/ma_icon/0/icon_10472625_1555686747/96",
"https://a46fefcd092f5f917ed1ee349b85d3b7.dd.cdntips.com/wxz.myapp.com/16891/F9B7FA7EC195FC453AE9
082F826E6B28.apk?
mkey=5d4c6bdc78e5058d&f=1806&fsname=com.tiange.hz.paopao8_4.4.1_441.apk&hsr=4d5s&cip=120.229.35.1
20&proto=https");
downloadBean.setContext(this.getApplicationContext());
downloadBean.autoOpenIgnoreMD5().setQuickProgress(true);
downloadBean.setForceDownload(true);
mDownloadTasks.add(downloadBean);
//
}
public static int dp2px(Context context, float dpValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
@Override
protected void onDestroy() {
super.onDestroy();
DownloadImpl.getInstance(getApplicationContext()).cancelAll();
}
}