private boolean unpackFile(ZipFile zip, byte[] buf, ZipEntry fileEntry, String name) throws IOException, FileNotFoundException { if (fileEntry == null) fileEntry = zip.getEntry(name); if (fileEntry == null) throw new FileNotFoundException("Can't find " + name + " in " + zip.getName()); File outFile = new File(sGREDir, name); if (outFile.lastModified() == fileEntry.getTime() && outFile.length() == fileEntry.getSize()) return false; File dir = outFile.getParentFile(); if (!dir.exists()) dir.mkdirs(); InputStream fileStream; fileStream = zip.getInputStream(fileEntry); OutputStream outStream = new FileOutputStream(outFile); while (fileStream.available() > 0) { int read = fileStream.read(buf, 0, buf.length); outStream.write(buf, 0, read); } fileStream.close(); outStream.close(); outFile.setLastModified(fileEntry.getTime()); return true; }
private void checkAndLaunchUpdate() { Log.i(LOG_FILE_NAME, "Checking for an update"); int statusCode = 8; // UNEXPECTED_ERROR File baseUpdateDir = null; if (Build.VERSION.SDK_INT >= 8) baseUpdateDir = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS); else baseUpdateDir = new File(Environment.getExternalStorageDirectory().getPath(), "download"); File updateDir = new File(new File(baseUpdateDir, "updates"), "0"); File updateFile = new File(updateDir, "update.apk"); File statusFile = new File(updateDir, "update.status"); if (!statusFile.exists() || !readUpdateStatus(statusFile).equals("pending")) return; if (!updateFile.exists()) return; Log.i(LOG_FILE_NAME, "Update is available!"); // Launch APK File updateFileToRun = new File(updateDir, getPackageName() + "-update.apk"); try { if (updateFile.renameTo(updateFileToRun)) { String amCmd = "/system/bin/am start -a android.intent.action.VIEW " + "-n com.android.packageinstaller/.PackageInstallerActivity -d file://" + updateFileToRun.getPath(); Log.i(LOG_FILE_NAME, amCmd); Runtime.getRuntime().exec(amCmd); statusCode = 0; // OK } else { Log.i(LOG_FILE_NAME, "Cannot rename the update file!"); statusCode = 7; // WRITE_ERROR } } catch (Exception e) { Log.i(LOG_FILE_NAME, "error launching installer to update", e); } // Update the status file String status = statusCode == 0 ? "succeeded\n" : "failed: " + statusCode + "\n"; OutputStream outStream; try { byte[] buf = status.getBytes("UTF-8"); outStream = new FileOutputStream(statusFile); outStream.write(buf, 0, buf.length); outStream.close(); } catch (Exception e) { Log.i(LOG_FILE_NAME, "error writing status file", e); } if (statusCode == 0) System.exit(0); }
public void downloadFile(String url, String savePath, String fileName) { try { URL theURL = new URL(url); InputStream input = theURL.openStream(); OutputStream output = new FileOutputStream(new File(savePath, fileName)); try { byte[] buffer = new byte[1024]; int bytesRead = 0; while ((bytesRead = input.read(buffer, 0, buffer.length)) >= 0) { output.write(buffer, 0, bytesRead); } } catch (Exception e) { debug(e.toString()); } finally { output.close(); } } catch (Exception e) { debug(e.toString()); } }
/** Private constructor for this class. */ private LibDexLoader() { String assetDexName = "jitsi-bundles-dex.jar"; // Before the dex file can be processed by the DexClassLoader, // it has to be first copied from asset resource to a storage location. Context ctx = JitsiApplication.getGlobalContext(); File dexInternalStoragePath = new File(ctx.getDir("dex", Context.MODE_PRIVATE), assetDexName); BufferedInputStream bis = null; OutputStream dexWriter = null; final int BUF_SIZE = 2 * 1024; try { bis = new BufferedInputStream(ctx.getAssets().open(assetDexName)); dexWriter = new BufferedOutputStream(new FileOutputStream(dexInternalStoragePath)); byte[] buf = new byte[BUF_SIZE]; int len; while ((len = bis.read(buf, 0, BUF_SIZE)) > 0) { dexWriter.write(buf, 0, len); } dexWriter.close(); bis.close(); // Internal storage where the DexClassLoader writes // the optimized dex file to final File optimizedDexOutputPath = ctx.getDir("outdex", Context.MODE_PRIVATE); this.dexClassLoader = new DexClassLoader( dexInternalStoragePath.getAbsolutePath(), optimizedDexOutputPath.getAbsolutePath(), null, getClass().getClassLoader()); } catch (Exception e) { throw new RuntimeException(e); } }
protected Boolean doInBackground(ArrayList... params) { download_photos.this.runOnUiThread( new Runnable() { public void run() { mtext.setText( getText(R.string.download_textview_message_1) + " " + path.toString() + ". "); } }); if (resume_file.exists()) { initial_value = readProgress()[0]; } else { initial_value = 1; } for (int i = initial_value - 1; i < links.size(); i++) { // asynctask expects more than one ArrayList<String> item, but we are sending only one, // which is params[0] Uri imageuri = Uri.parse(params[0].get(i).toString()); URL imageurl = null; HttpURLConnection connection = null; total_files_to_download = links.size(); completed_downloads = i + 1; try { imageurl = new URL(params[0].get(i).toString()); connection = (HttpURLConnection) imageurl.openConnection(); connection.connect(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } // extracts the real file name of the photo from url path_segments = imageuri.getPathSegments(); int total_segments = path_segments.size(); file_name = path_segments.get(total_segments - 1); path.mkdirs(); // if(i==0) // first_image = path.toString() + "/" + file_name; InputStream input; OutputStream output; try { input = new BufferedInputStream(imageurl.openStream()); fully_qualified_file_name = new File(path, file_name); output = new BufferedOutputStream(new FileOutputStream(fully_qualified_file_name)); byte data[] = new byte[1024]; int count; while ((count = input.read(data)) != -1) { output.write(data, 0, count); } output.flush(); output.close(); input.close(); connection.disconnect(); new folder_scanner(getApplicationContext(), fully_qualified_file_name); publishProgress(completed_downloads, total_files_to_download); if (this.isCancelled()) { writeProgress(completed_downloads, total_files_to_download); break; } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } // creates required folders and subfolders if they do not exist already // boolean success = path.mkdirs(); // makes request to download photos // DownloadManager.Request request = new DownloadManager.Request(imageuri); // set path for downloads // request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES,sub_path); // request.setDescription("Downloaded using Facebook Album Downloader"); // DownloadManager dm = (DownloadManager)getSystemService(DOWNLOAD_SERVICE); // download is enqueue in download list. it returns unique id for each download // download_id = dm.enqueue(request); } // returns the unique id. we are not using this id return true; }