btnTambah.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                String dataketerangan = keterangan.getText().toString();

                if(dataketerangan.trim().length() > 0){
                    uploadImage();
                }else {
                    Toast.makeText(getApplicationContext() ,"Kolom tidak boleh kosong", Toast.LENGTH_LONG).show();

                }

            }
        });