Possible Duplicate:
Android: install .apk programmatically
I need to update my android application. Internally the program, I download the new version. How can I replace the current version by that new was downloaded (programmatically)?
URL url = new URL("http://www.mySite.com/myFolder/myApp.apk");
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
try
{
FileOutputStream fos = this.getApplicationContext().openFileOutput("myApp.apk", Context.MODE_WORLD_READABLE|Context.MODE_WORLD_WRITEABLE);
InputStream in = new BufferedInputStream(urlConnection.getInputStream());
BufferedReader br = new BufferedReader(new InputStreamReader(in, "UTF-8"));
StringBuilder sb = new StringBuilder();
byte[] buffer = new byte[8192];
int len;
while ((len = in.read(buffer)) != -1)
{
// EDIT - only write the bytes that have been written to
// the buffer, not the whole buffer
fos.write(buffer, 0, len); // file to save app
}
fos.close();
.... here I have the file of new app, now I need use it
If the updated apk has the same package name and is signed with the same key you can just send a intent which will call a default android installer. The installed apk will be overriden.
Intent intent = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.fromFile(new File(pathToApk));
intent.setDataAndType(uri, "application/vnd.android.package-archive");
startActivity(intent);
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