我正在尋找一個解決方案,但我無法解決它。Json解析器與排球庫
這就是我的JSON
{ 「錯誤」: 「」, 「Filme」:[{ 「稱號」: 「猩球黎明」, 「形象」: 「http://api.androidhive.info/json/movies/1.jpg」, 「等級」:8.3, 「releaseYear」:2014, 「流派」:[ 「行動」, 「戲劇」, 「科幻」] }, { 「標題」: 「區9」, 「 image:「http://api.androidhive.info/json/movies/2.jpg」, 「rating」:8, 「releaseYear」:2009, 「genre」:[「Action」,「Sci-Fi」,「Thriller」] }, ... ... }]}
,這就是我的代碼
// Movies json url
private static final String url = "https://d....url....";
private ProgressDialog pDialog;
private List<Movie> movieList = new ArrayList<Movie>();
private HorizontalListView listView;
private CustomListAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (HorizontalListView) findViewById(R.id.list);
adapter = new CustomListAdapter(this, movieList);
listView.setAdapter(adapter);
pDialog = new ProgressDialog(this);
// Showing progress dialog before making http request
pDialog.setMessage("Loading...");
pDialog.show();
// changing action bar color
getActionBar().setBackgroundDrawable(
new ColorDrawable(Color.parseColor("#1b1b1b")));
// Creating volley request obj
JsonArrayRequest movieReq = new JsonArrayRequest(url ,new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
Log.d(TAG, response.toString());
hidePDialog();
// Parsing json
for (int i = 0; i < response.length(); i++) {
try {
JSONObject obj = response.getJSONObject(i).getJSONObject(TAG_MOVIE);
Movie movie = new Movie();
movie.setTitle(obj.getString("title"));
movie.setThumbnailUrl(obj.getString("image"));
movie.setRating(((Number) obj.get("rating"))
.doubleValue());
movie.setYear(obj.getInt("releaseYear"));
//Genre is json array
JSONArray genreArry = obj.getJSONArray("genre");
ArrayList<String> genre = new ArrayList<String>();
for (int j = 0; j < genreArry.length(); j++) {
genre.add((String) genreArry.get(j));
}
movie.setGenre(genre);
// adding movie to movies array
movieList.add(movie);
} catch (JSONException e) {
e.printStackTrace();
}
}
// notifying list adapter about data changes
// so that it renders the list view with updated data
adapter.notifyDataSetChanged();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(movieReq);
}
@Override
public void onDestroy() {
super.onDestroy();
hidePDialog();
}
private void hidePDialog() {
if (pDialog != null) {
pDialog.dismiss();
pDialog = null;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
,但結果只有一個白色的佈局。我認爲這是因爲我的代碼沒有在JSON中找到「Filme」變量,但我不知道如何解決它。
任何想法?
謝謝!
我已經使用JsonArrayRequest。 –