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copied!<p>Do something like this </p> <p>// First you need to download apk file.</p> <pre><code> String extStorageDirectory = Environment.getExternalStorageDirectory().toString(); File folder = new File(extStorageDirectory, "APPS"); folder.mkdir(); File file = new File(folder, "AnyName."+"apk"); try { file.createNewFile(); } catch (IOException e1) { e1.printStackTrace(); } /** * APKURL is your apk file url(server url) */ DownloadFile("APKURL", file); </code></pre> <p>// the DownloadFile function is</p> <pre><code> public void DownloadFile(String fileURL, File directory) { try { FileOutputStream f = new FileOutputStream(directory); URL u = new URL(fileURL); HttpURLConnection c = (HttpURLConnection) u.openConnection(); c.setRequestMethod("GET"); //c.setDoOutput(true); c.connect(); InputStream in = c.getInputStream(); byte[] buffer = new byte[1024]; int len1 = 0; while ((len1 = in.read(buffer)) > 0) { f.write(buffer, 0, len1); } f.close(); } catch (Exception e) { System.out.println("exception in DownloadFile: --------"+e.toString()); e.printStackTrace(); } </code></pre> <p>and after downloading the apk file write this code</p> <pre><code> Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/APPS/" + "AnyName.apk")), "application/vnd.android.package-archive"); startActivity(intent); </code></pre> <p>// and give permission in manifest </p> <pre><code> <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> </code></pre> <p>it might help you, i used this for same as your need.</p>

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