标签:android http io os ar java sp 数据 art
问题描述/** * 下载新程序 */ public void appUpdate(Context context){ HttpClient httpClient = new DefaultHttpClient(); HttpGet get = new HttpGe("服务器地址"+"/update/XXX.apk"); HttpResponse response; InputStream is = null; FileOutputStream fileOutputStream = null; try { response = httpClient.execute(get); HttpEntity entity = response.getEntity(); is = entity.getContent(); long len = entity.getContentLength(); if(is!=null){ fileOutputStream = context.openFileOutput("XX.apk", Context.MODE_WORLD_READABLE+Context.MODE_WORLD_WRITEABLE); byte[] buf = new byte[1024]; int ch = -1; while((ch = is.read(buf)) != -1){ fileOutputStream.write(buf, 0, ch); } } fileOutputStream.flush(); } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ if(is != null){ try { is.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } if(fileOutputStream != null) { try { fileOutputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }
final Handler handler = new Handler() { @Override public void handleMessage(Message msg) { try { switch (msg.what) { case 1: progressDialog.dismiss(); Intent intent = new Intent(Intent.ACTION_VIEW); File file = new File( "/data/data/包名/files/XXX.apk"); Uri uri = Uri.fromFile(file); intent.setDataAndType(uri, "application/vnd.android.package-archive"); context.startActivity(intent); break; default: break; } } catch (Exception e) { e.printStackTrace(); } }
标签:android http io os ar java sp 数据 art
原文地址:http://www.cnblogs.com/liangxieliang56/p/4027529.html