同步下载文件(Android)
我有一个URL的数组,我会同步。 事实上,我在一个带有for循环的异步任务中。 我尝试使用downloadmanager和broadcast receiver,但没有成功(管理器使用了另一个线程,因此每次都无法注销,这是一个泄漏附加) 这是我的任务:同步下载文件(Android),android,file,android-asynctask,synchronous,download-manager,Android,File,Android Asynctask,Synchronous,Download Manager,我有一个URL的数组,我会同步。 事实上,我在一个带有for循环的异步任务中。 我尝试使用downloadmanager和broadcast receiver,但没有成功(管理器使用了另一个线程,因此每次都无法注销,这是一个泄漏附加) 这是我的任务: package com.ylly.hypred.splashScreen.asynctask; import android.app.DownloadManager; import android.app.ProgressDialog;
package com.ylly.hypred.splashScreen.asynctask;
import android.app.DownloadManager;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.util.Log;
import android.view.WindowManager;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.ylly.hypred.R;
import com.ylly.hypred.api.CallAPI;
import com.ylly.hypred.api.model.MediaAPIModel;
import com.ylly.hypred.api.model.MediaArrayAPIModel;
import com.ylly.hypred.utils.FileManager;
import java.io.File;
import java.util.ArrayList;
/**
* Created by YLLY on 17-11-2015.
*/
public class LoadMedias extends AsyncTask<String, Void, String> {
private MediaArrayAPIModel mediaAPIModels;
private Context context;
private ProgressDialog progressDialog;
private boolean isCallFromUpdate;
private final String TAG = "LoadMedias";
private OnLoadingIsFinished mCallback;
/**
*
*/
public interface OnLoadingIsFinished {
void callProcess();
}
/**
*
* @param context
* @param urls
* @param isCallFromUpdate
*/
public LoadMedias(Context context, MediaArrayAPIModel urls, boolean isCallFromUpdate) {
this.context = context;
this.mediaAPIModels = urls;
progressDialog = new ProgressDialog(context);
this.isCallFromUpdate = isCallFromUpdate;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
if (!isCallFromUpdate)
progressDialog.setTitle(context.getString(R.string.fm_etape_trois_sur_trois));
progressDialog.setMessage(context.getString(R.string.fm_enregistrement));
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setIndeterminate(false);
progressDialog.setCancelable(false);
progressDialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
progressDialog.setMax(mediaAPIModels.getMediaImagePIModels().size() + mediaAPIModels.getMediaFileAPIModels().size());
progressDialog.setProgress(0);
progressDialog.show();
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
if (progressDialog.isShowing()) {
progressDialog.dismiss();
}
mCallback.callProcess();
}
@Override
protected String doInBackground(String... arg0) {
try {
loadMediaImages(mediaAPIModels.getMediaImagePIModels(), progressDialog);
loadMediaFiles(context, mediaAPIModels.getMediaFileAPIModels(), progressDialog);
} catch (Exception e) {
Log.d(TAG, e.toString());
}
return "";
}
/**
*
* @param onLoadingIsFinished
*/
public void setOnLoadingIsFinished(OnLoadingIsFinished onLoadingIsFinished) {
this.mCallback = onLoadingIsFinished;
}
/**
* @param mediaAPIModels
* @param progressDialog
*/
private void loadMediaImages(ArrayList<MediaAPIModel> mediaAPIModels, ProgressDialog progressDialog) {
String type;
for (int i = 0; i < mediaAPIModels.size(); i++) {
type = mediaAPIModels.get(i).getUrl().substring(mediaAPIModels.get(i).getUrl().lastIndexOf("."));
if (type.equals(".png") || type.equals(".jpg") || type.equals(".jpeg")) {
ImageLoader.getInstance().loadImageSync(CallAPI.mBaseUrl + mediaAPIModels.get(i).getUrl());
i++;
progressDialog.setProgress(progressDialog.getProgress() + 1);
}
}
}
/**
* @param context
* @param mediaAPIModels
* @param progressDialog
*/
private void loadMediaFiles(Context context, ArrayList<MediaAPIModel> mediaAPIModels, final ProgressDialog progressDialog) {
{
String name;
String mime;
for (int i = 0; i < mediaAPIModels.size(); i++) {
if (!FileManager.getInstance().getFileFromLocal(context, mediaAPIModels.get(i).getUrl(), false)) {
name = mediaAPIModels.get(i).getUrl().substring(mediaAPIModels.get(i).getUrl().lastIndexOf("/") + 1); //on sépare le nom du fichier du reste de l'url
mime = name.substring(name.lastIndexOf(".")); //on recupere l'extension du fichier
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(CallAPI.mBaseUrl + mediaAPIModels.get(i).getUrl()));
request.setDescription(context.getResources().getString(R.string.downloading) + " name");
request.setTitle(context.getResources().getString(R.string.app_name));
request.setMimeType(mime);
// in order for this if to run, you must use the android 3.2 to compile your app
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
}
request.setDestinationInExternalPublicDir("test" + File.separatorChar + "doc", name);
// get download service and enqueue file
DownloadManager manager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
context.registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
context.unregisterReceiver(this);
Log.d("DOWNLOAD", "unregister");
progressDialog.setProgress(progressDialog.getProgress() + 1);
}
}, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
} else {
i++;
progressDialog.setProgress(progressDialog.getProgress() + 1);
}
}
}
}
}
package com.ylly.hypred.splashScreen.asynctask;
导入android.app.DownloadManager;
导入android.app.ProgressDialog;
导入android.content.BroadcastReceiver;
导入android.content.Context;
导入android.content.Intent;
导入android.content.IntentFilter;
导入android.net.Uri;
导入android.os.AsyncTask;
导入android.os.Build;
导入android.util.Log;
导入android.view.WindowManager;
导入com.nostra13.universalimageloader.core.ImageLoader;
导入com.ylly.hypred.R;
导入com.ylly.hypred.api.CallAPI;
导入com.ylly.hypred.api.model.MediaAPIModel;
导入com.ylly.hypred.api.model.mediaarayapimodel;
导入com.ylly.hypred.utils.FileManager;
导入java.io.File;
导入java.util.ArrayList;
/**
*由YLLY于2015年11月17日创建。
*/
公共类LoadMedias扩展异步任务{
私有MediaArrayAPIModel MediaPimodels;
私人语境;
私有进程对话;
私有布尔isCallFromUpdate;
私有最终字符串TAG=“LoadMedias”;
私有onload已完成mCallback;
/**
*
*/
公共接口联机加载完成{
void callProcess();
}
/**
*
*@param上下文
*@param URL
*@param isCallFromUpdate
*/
公共加载媒体(上下文上下文、MediaArrayAPI模型URL、布尔值isCallFromUpdate){
this.context=上下文;
this.mediaAPIModels=url;
progressDialog=新建progressDialog(上下文);
this.isCallFromUpdate=isCallFromUpdate;
}
@凌驾
受保护的void onPreExecute(){
super.onPreExecute();
如果(!isCallFromUpdate)
progressDialog.setTitle(context.getString(R.string.fm_etape_trois_sur_trois));
progressDialog.setMessage(context.getString(R.string.fm_enregistrment));
progressDialog.setProgressStyle(progressDialog.STYLE_水平);
progressDialog.setUndeterminate(false);
progressDialog.setCancelable(假);
progressDialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG\u DIM\u落后);
progressDialog.setMax(mediaAPIModels.getMediaImagePIModels().size()+mediaAPIModels.getMediaFileAPIModels().size());
progressDialog.setProgress(0);
progressDialog.show();
}
@凌驾
受保护的void onPostExecute(字符串s){
super.onPostExecute(s);
if(progressDialog.isShowing()){
progressDialog.disclose();
}
mCallback.callProcess();
}
@凌驾
受保护的字符串doInBackground(字符串…arg0){
试一试{
加载MediaImages(mediaAPIModels.getMediaImagePIModels(),progressDialog);
加载媒体文件(上下文,mediaAPIModels.getMediaFileAPIModels(),progressDialog);
}捕获(例外e){
Log.d(标记,例如toString());
}
返回“”;
}
/**
*
*@param onload已完成
*/
公共无效设置OnLoadingIsFinished(OnLoadingIsFinished OnLoadingIsFinished){
this.mCallback=onload已完成;
}
/**
*@param-mediaAPIModels
*@param progressDialog
*/
私有void loadMediaImages(ArrayList MediaAPI模型,ProgressDialog ProgressDialog){
字符串类型;
对于(int i=0;i=Build.VERSION\u code.HONEYCOMB){
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.request.VISIBILITY\u VISIBLE\u NOTIFY\u完成);
}
request.setDestinationNexternalPublicDir(“test”+File.separatorChar+“doc”,name);
//获取下载服务并将文件排队
DownloadManager=(DownloadManager)context.getSystemService(context.DOWNLOAD\u服务);
registerReceiver(新的BroadcastReceiver(){
@凌驾
公共void onReceive(上下文、意图