/**
* 文件名 UpdateDownload.java
* 包含类名列表 com.issmobile.numlibrary.tool
* 版本信息 版本号
* 创建日期 2014年7月14日
* 版权声明
*/
package com.issmobile.numlibrary.tool;
import com.iss.utils.LogUtil;
import android.annotation.SuppressLint;
import android.app.DownloadManager;
import android.app.DownloadManager.Query;
import android.app.DownloadManager.Request;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.net.Uri;
import android.widget.Toast;
/**
* 类名
* @author 王洪贺<br/>
* 调用系统下载功能下载程序安装包
* 创建日期 2014年7月14日
*/
public class UpdateDownload {
static final String TAG = "UpdateDownload";
/**上下文*/
Context mContext;
/**下载管理器*/
DownloadManager manager;
/**下载完成监听器*/
DownloadCompleteReceiver receiver;
public UpdateDownload(Context context) {
this.mContext = context;
}
@SuppressLint("NewApi")
public void DownloadFile(String url) {
url = "http://dl.google.com/android/ADT-12.0.0.ZIP";
//获取下载服务
manager = (DownloadManager) mContext.getSystemService(mContext.DOWNLOAD_SERVICE);
receiver = new DownloadCompleteReceiver();
//创建下载请求
Request down = new DownloadManager.Request(Uri.parse(url));
//设置允许使用的网络类型，这里是移动网络和wifi都可以
down.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_MOBILE
| DownloadManager.Request.NETWORK_WIFI);
//禁止发出通知，既后台下载
// down.setShowRunningNotification(false);
//不显示下载界面
// down.setVisibleInDownloadsUi(false);
//设置下载后文件存放的位置
down.setDestinationInExternalFilesDir(mContext, null, "numlibrary.apk");
//将下载请求放入队列
manager.enqueue(down);
}
/**
*注册监听器
*/
public void registReceiver() {
mContext.registerReceiver(receiver, new IntentFilter(
DownloadManager.ACTION_DOWNLOAD_COMPLETE));
}
/**
*取消监听器
*/
public void unRegistReceiver() {
if (receiver != null)
mContext.unregisterReceiver(receiver);
}
/**
* 安装APK文件
*/
private void installApk(String path) {
Intent i = new Intent(Intent.ACTION_VIEW);
//TODO 得到文件的路径
i.setDataAndType(Uri.parse("file://" + path), "application/vnd.android.package-archive");
mContext.startActivity(i);
}
//接受下载完成后的intent
class DownloadCompleteReceiver extends BroadcastReceiver {
private DownloadManager downloadManager;
@SuppressLint("NewApi")
@Override
public void onReceive(Context context, Intent intent) {
// if (intent.getAction().equals(DownloadManager.ACTION_DOWNLOAD_COMPLETE)) {
// long downId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1);
// Log.v(TAG, " download complete! id : " + downId);
// //TODO 传入文件的保存路径并打开进行安装
// installApk("");
// Toast.makeText(context, intent.getAction() + "id : " + downId, Toast.LENGTH_SHORT)
// .show();
// }
String action = intent.getAction();
if (action.equals(DownloadManager.ACTION_DOWNLOAD_COMPLETE)) {
Toast.makeText(context, "下载完成了....", Toast.LENGTH_LONG).show();
//TODO 判断这个id与之前的id是否相等，如果相等说明是之前的那个要下载的文件
long id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0);
Query query = new Query();
query.setFilterById(id);
downloadManager = (DownloadManager) context
.getSystemService(Context.DOWNLOAD_SERVICE);
Cursor cursor = downloadManager.query(query);
int columnCount = cursor.getColumnCount();
//TODO 这里把所有的列都打印一下，有什么需求，就怎么处理,文件的本地路径就是path
String path = null;
while (cursor.moveToNext()) {
for (int j = 0; j < columnCount; j++) {
String columnName = cursor.getColumnName(j);
String string = cursor.getString(j);
if (columnName.equals("local_uri")) {
path = string;
}
if (string != null) {
LogUtil.d(TAG, columnName + ": " + string);
} else {
LogUtil.d(TAG, columnName + ": null");
}
}
}
cursor.close();
//如果sdcard不可用时下载下来的文件，那么这里将是一个内容提供者的路径，这里打印出来，有什么需求就怎么样处理 if(path.startsWith("content:")) {
cursor = context.getContentResolver()
.query(Uri.parse(path), null, null, null, null);
columnCount = cursor.getColumnCount();
while (cursor.moveToNext()) {
for (int j = 0; j < columnCount; j++) {
String columnName = cursor.getColumnName(j);
String string = cursor.getString(j);
if (string != null) {
LogUtil.d(TAG, columnName + ": " + string);
} else {
LogUtil.d(TAG, columnName + ": null");
}
}
}
cursor.close();
} else if (action.equals(DownloadManager.ACTION_NOTIFICATION_CLICKED)) {
Toast.makeText(mContext, "....", Toast.LENGTH_LONG).show();
}
}
}
}