Okay, her er hvad du har brug for. Intet behov for tredjeparts bibliotek.
try{
String jsonStr = getFromWeb(); // jsonStr = {"ID":"1","temperature":"33","max_humidity":"33","min_humidity":"34","lowtide":"35","hightide":"35","sunrise":"500","sunset":"530","moonrise":"530","moonset":"540","illumination":"45%"}]
JSONObject obj = new JSONObject(jsonStr);
String temperature = obj.getString("temperature");
TextView tv = (TextView)findViewById(R.id.yourtextviewid);
tv.setText("Temperature: " + temperature);
}catch (JSONException e) {
e.printStackTrace();
}