download pfx file for android

1, first, the Android file download requires the following permissions:2, because the file download is a long time task, can not be updated in the UI thread, need to open up a new thread to download the work, here we use the

BAT file content For/F "delims =" % A in (sdk.txt) Do (Curl-o %) * Download curl: http://curl.haxx.se/download.html Sdk.txt content Http://dl-ssl.google.com/android/repository/android-1.1_r1-windows.zipHttp://dl-ssl.google.com/android/repository/

I. Downloadmanager class description: A download management class has been added since Android 2.3. You can find Android. App. downloadmanager In the SDK documentation. The download management class can process multiple HTTP download tasks for a long time. The client only ne

I. Downloadmanager class description: A download management class has been added since Android 2.3. You can find android. app. DownloadManager In the SDK documentation. The download management class can process multiple HTTP download tasks for a long time. The client only ne

Android learning notes: AsyncTask implements file download tasks. androidasynctask (1) This file is mainly used to demonstrate how to download images from Asynchronous tasks. (2) The layout code is as follows: An ImageView is used to store the downloaded image, and a Button

(); finally {if (bis!= null) {try {bis.close (); catch (IOException e) {e.printstacktrace (); } if (RAF!= null) {try {RAF. Close (); catch (IOException e) {e.printstacktrace (); }}/** * thread file is downloaded/public boolean iscompleted () {return iscompleted; /** * Thread Download file length */public int getdownloadlength () {return downloadlength; } }

First of all introduce Android using caching mechanism to implement file download When downloading files or browsing files online, or in order to ensure the correctness of file downloads, you need to use the caching mechanism, often using softreference to implement. The SoftReference feature is that an instance of it

DownloadManager is introduced in Android 2.3 to process complex file downloads, including checking whether users have data connections (WIFI or mobile data ), when a user moves from a data-connected location to a non-connected location (for example, an access point that leaves Wi-Fi or 3G data), ensure that the device remains awake during the download process. Do

Main. xml: Copy codeThe Code is as follows: Android: orientation = "vertical" Android: layout_width = "fill_parent" Android: layout_height = "fill_parent" > Android: layout_width = "fill_parent" Android: layout_height = "wrap_content" An